Landlord Section 11 Damp Survey Reports – Showing “Reasonable Repair” In Practice

From “Just Condensation” to Compliance Hazard: Why Damp Now Carries Legal and Health Risk

Damp and mould now sit firmly in the “health and legal risk” column, not the “bit of cosmetic nuisance” box. When a tenant reports damp, they are not just complaining about decoration. They are putting you on notice about potential health impact, legal duties, record‑keeping standards and how confident they feel in the way you run your properties, especially where evidence turns complex damp assessments into something you may later need to explain clearly. Across the social and private rented sectors, damp and mould are increasingly treated in the same ongoing risk category as gas or electrical safety, rather than as one‑off housekeeping problems. Seeing it that way is the starting point for any response you would be comfortable defending later.

Clear evidence turns complex damp problems into manageable decisions.

Why damp and mould are no longer “minor” issues

Damp and mould are now widely recognised as potential triggers for breathing difficulties, asthma flare‑ups and serious lung conditions, especially for children, older people and anyone with an existing respiratory illness. Once those health impacts are foreseeable, wiping mould away or repainting becomes very hard to defend as a complete response. The expectation is that you treat damp as a risk to people first and a cosmetic issue second, and that you can show, in writing, how you assessed and managed that risk.

Health services such as the NHS explain that exposure to mould spores can worsen asthma and other respiratory illnesses, particularly for vulnerable people. That kind of mainstream clinical guidance underlines why damp and mould are now viewed as a foreseeable health risk rather than a trivial decoration issue.

Government and professional health bodies now place indoor air quality, moisture and mould alongside warmth and safety as core ingredients of a healthy home. In practice, that means your repair policies, risk registers and board papers should name damp explicitly instead of hiding it under headings such as “decoration” or “routine repairs”. Once damp appears in your paperwork as a risk in its own right, you create space to justify quicker inspections, stronger specifications, independent surveying and targeted capital works, rather than arguing each case from scratch. Recent central government damp and mould guidance for housing providers on GOV.UK takes exactly this approach, framing moisture and mould control as a core housing health issue rather than a cosmetic concern.

How regulators and courts are starting to look at damp

Regulators and courts are increasingly treating serious damp not as an unlucky building quirk, but as a sign that management has lost grip on a predictable risk. They often criticise slow inspections, weak diagnosis, poor communication or thin records, even where some repair work was eventually carried out. The way you handle the problem is judged just as closely as the final technical fix, and sometimes more harshly.

Typical failings highlighted in investigations include:

• Slow or missed inspections after early complaints
• Superficial “lifestyle” explanations instead of proper diagnosis
• Weak records of advice, decisions and inspections
• Patch repairs that ignore obvious root causes

Housing Ombudsman decisions on damp and mould complaints repeatedly make these points, criticising landlords for systemic failings such as long delays, poor diagnosis and incomplete records rather than treating each case as an unlucky one‑off. The published decisions on the Housing Ombudsman site are a useful indicator of what external bodies now expect to see in your approach.

At the same time, widely available tenant guidance explains how to use Section 11, fitness standards and local authority powers to challenge damp and mould. Expectations rise, and the odds increase that a poorly handled complaint turns into a formal claim. Treating damp as a priority risk is now as much about protecting your organisation as it is about doing right by your tenants. Independent damp specialists such as Sussex Damp Experts are increasingly treated as part of a landlord’s core compliance toolkit in Sussex and similar counties, because evidence turns complex damp issues into clear technical findings that help close the gap between diagnosis and legal duties in a way that stands up to outside scrutiny.

Section 11 in Plain English: What Landlords Must Repair When Damp Appears

Section 11 of the Landlord and Tenant Act 1985 normally puts you on the hook for damp that arises from defects in the structure, exterior or key service installations. In many cases, mould and staining are simply the visible sign that one of those elements is failing in the background. The broad summary aligns with the statutory wording of section 11 on legislation.gov.uk, which sets out the landlord’s duty to keep the structure, exterior and specified installations in repair. To respond sensibly, you need a clear working view of what Section 11 does and does not cover, and how it sits alongside the separate fitness for human habitation test.

What Section 11 actually covers in damp situations

Section 11 requires you to keep the structure and exterior of the property in repair and to maintain the installations for water, gas, electricity, sanitation, space heating and hot water. When damp is caused by a leaking roof, defective pointing, a failed damp‑proof course, broken gutter, cracked pipework or faulty heating and ventilation, the damp is simply the symptom. The underlying defect is what triggers your legal obligation to act, in line with the way section 11 is framed in the Landlord and Tenant Act 1985.

Under Section 11, damp problems that typically fall within your duties include:

• Roof leaks and defective flashings
• Blocked, broken or poorly designed gutters and downpipes
• Defective pointing or spalled brickwork letting water soak in
• Failed or bridged damp‑proof courses at or near ground level
• Leaking internal pipework or overflows
• Heating or ventilation systems that are not working as installed

By contrast, Section 11 does not usually require you to improve the fundamental design of a building that has always been hard to heat or slightly cold, provided the structure is sound and installations are in repair. It also does not, on its own, require you to retrofit modern insulation or mechanical ventilation into older stock. However, once you add the separate fitness duty, those design factors can still leave a home effectively unfit even if nothing is technically “broken”. That is why it is safer to think in terms of overall habitability and health, not just a tick‑list of components.

Where landlord responsibility stops and starts with damp

Condensation‑related damp often feels like a grey area, because responsibility can be shared between the building itself and the way the property is used. A cold home with weak insulation, minimal heating and no effective extraction will tend to suffer condensation even if the occupants try hard to ventilate. Local authority condensation guidance for landlords and tenants, such as the advice published by Gateshead Council, makes the same point: poor insulation, heating and extraction make condensation likely even where households try to follow best practice.

On the other hand, if the property is in good repair, with sensible heating and ventilation, but heavy moisture‑creating behaviour continues despite clear advice, it may be fair to treat some of the problem as an occupancy issue. The key is to separate building defects from lifestyle factors in a fair, evidence‑based way, and to document the guidance you give tenants so that your decisions are not dependent on memory.

A practical way to frame shared responsibility is to look at three strands:

• Building factors: – insulation, heating systems, extraction, cold bridges and known defects
• Behaviour factors: – drying clothes indoors, blocking vents, not using extraction or heating at all
• Documentation duties: – clear written guidance, visit notes and survey findings recorded and shared

A Section 11‑focused damp survey report is one of the few tools that can bring those strands together clearly and credibly so that each party’s obligations are set out in neutral language, not emotional back‑and‑forth.

Evolving Standards: Fitness, HHSRS, Awaab’s Law and Damp Risk

Landlords are now judged on damp and mould against a wider set of legal and risk frameworks, not just the basic Section 11 repair duty. Fitness for human habitation rules, the Housing Health and Safety Rating System (HHSRS) and new time‑based expectations all influence what “reasonable repair” looks like in the real world. Together, these frameworks shape how quickly you must act, how thoroughly you must diagnose problems and how clearly you must document what you have done. Government guidance on fitness for human habitation and damp in housing, including material published by Scottish Government, reinforces this wider view by treating moisture, mould and indoor air quality as central to habitability.

How fitness for habitation and HHSRS change the picture

Fitness for human habitation looks at the home as a whole, including freedom from damp, ventilation, water supply, drainage, stability and safety. If damp and mould are bad enough to affect health or make rooms effectively unusable, a property can be classed as unfit even if no single component has technically failed under Section 11. That gives tenants a direct route to challenge conditions and pushes landlords beyond patching or cosmetic treatments into dealing with causes. Official fitness‑for‑habitation guidance explains that freedom from serious damp and adequate ventilation sit alongside other basics such as water supply and structural stability when deciding whether a home is fit to live in.

HHSRS takes a hazard‑based view of housing conditions. Damp and mould growth are one of the listed hazards, and serious cases can be scored as Category 1, triggering a duty on councils to act. Where inspectors find a Category 1 hazard, they are expected to issue notices requiring works and may consider further enforcement if nothing changes. Once damp reaches that level, your decisions are no longer just a matter between you and your tenant; they become part of a formal risk picture. The HHSRS operating guidance, available through government portals such as gov.wales, makes clear that Category 1 damp and mould hazards require local authorities to intervene.

In practical terms, you can think of the two frameworks like this:

• Fitness test: – asks whether damp and mould make the home unfit to live in overall
• HHSRS: – scores damp and mould as a hazard and can force specific remedial action

Where vulnerable people are living in a property, both tests tend to be applied with far less tolerance for delay or half‑measures. In that context, a well‑reasoned damp survey that links causes, risks and recommended works helps you show that your response is aligned with modern expectations instead of stuck at the lowest arguable level of repair.

Why “reasonable time” now has sharper edges

“Reasonable time” is still not defined by a single fixed deadline, but it is now judged against a much clearer set of expectations. Decision‑makers increasingly look at how quickly you acknowledged reports, how fast you inspected, how long you took to specify permanent works and whether health concerns were treated as urgent. In this climate, vague timescales and open‑ended promises are risky, especially where problems have already dragged on or vulnerable tenants are involved.

There is still no single rule saying damp must be fixed within a set number of days, but the idea of “reasonable time” now has much sharper edges. Procedural rules expect prompt responses to detailed letters of claim. Ombudsman decisions criticise landlords who let inspections or works drift for months, especially where health concerns were raised. Recent damp and mould case studies published by the Housing Ombudsman highlight long delays in inspection and repair as clear examples of maladministration, particularly where tenants had already raised health impacts.

For private landlords and agents, the safest approach is to set internal standards that mirror where practice is heading and then follow them consistently. That usually means:

Step 1 – Acknowledge reports quickly

Send a written acknowledgement the same day, confirming you have logged the damp complaint and explaining clearly what will happen next.

Step 2 – Triage for risk

Flag households with young children, older occupants or known health issues, and treat visible mould as higher priority than minor staining. Make sure this shows in how you schedule visits.

Arrange early inspections for any case with visible mould, repeat complaints or suspected leaks, rather than waiting until tenants chase or multiple reports build up.

Step 4 – Plan permanent works

Set clear timescales for permanent repairs and keep tenants informed, instead of relying on cleaning or dehumidifiers for long periods as if they were a solution in their own right.

Once these standards are written into your policies, they need to be backed by real capacity, training and monitoring. A good damp survey report then helps by turning broad timeframes into specific actions and priorities that can be tracked, and by showing, if challenged, that you treated Section 11, fitness and HHSRS duties as linked obligations rather than separate boxes to tick.

What “Reasonable Repair” Looks Like in Practice When Tenants Report Damp and Mould

Reasonable repair is judged by the whole journey from first complaint to follow‑up, not just the final state of the wall. Decision‑makers look at how quickly you recognised the risk, how competently you diagnosed it, what you did to protect people and property, and how you checked that the problem had genuinely improved. A repeatable, written pattern of steps helps you treat similar cases consistently and makes it far easier to explain your decisions later.

A practical response ladder from first report to follow‑up

A structured response ladder turns scattered actions into a clear, defensible pattern. It starts with logging and acknowledging every damp or mould report in writing so the tenant knows they have been heard and can see what will happen next, then escalates more quickly where risk is higher. The speed of your response should reflect both the severity of the damp and the vulnerability of the household: light surface mould in a well‑heated home might justify a visit within a few days, while heavy mould, active leaks or health concerns call for a much faster response.

A clear response ladder could look like this:

Step 1 – Log and acknowledge the report

Record the complaint, allocate a reference and send a written acknowledgement with an outline of next steps and contact details so there is no ambiguity about who is handling it.

Step 2 – Triage by severity and vulnerability

Decide whether the case involves heavy mould, leaks, repeat issues or vulnerable occupants, and mark higher‑risk cases for urgent action rather than allowing them to sit in a general queue.

Step 3 – Carry out a competent inspection

Ask a suitably trained person to inspect staining and mould patterns, check for leaks, review gutters and external walls, consider ventilation and heating, and take moisture readings where appropriate, instead of relying on a quick visual glance.

Step 4 – Put in temporary mitigation where needed

Where conditions are severe, clean mould safely, improve ventilation or provide dehumidifiers, making clear to all parties that these are holding measures, not the final fix.

Step 5 – Identify and fix the root cause

Use the inspection or survey findings to identify the underlying mechanism and specify permanent works, rather than repeatedly treating symptoms alone and hoping conditions improve.

Step 6 – Revisit and document improvement

Return after works to confirm that damp has reduced and mould has not reappeared, then record your findings and close the case file with a clear note of outcomes.

Following this ladder does not guarantee there will be no complaints, but it does give you a defensible pattern that shows you acted methodically, recognised Section 11 duties and did not ignore warning signs that could grow into fitness or HHSRS problems.

A fair approach to shared responsibility expects tenants to do what they reasonably can, while recognising that some buildings will struggle with moisture even when people try their best. It is sensible to ask households to report damp early, heat and ventilate as far as they can afford and allow access for inspections and works. It is not reasonable to treat every complaint as “lifestyle” in homes that are cold, poorly insulated or lacking mechanical extraction.

Making that balance explicit can help your teams on the ground. For example:

• Reasonable to expect tenants to: report problems promptly, use extractor fans where fitted, avoid blocking vents and wipe small patches while waiting for visits
• Not reasonable for landlords to: blame tenants without inspection, ignore obvious defects, refuse to improve extraction, or treat long‑term mould as routine decoration

The best way to sustain this balance is to give tenants clear, written guidance when they move in, explaining how to use ventilation systems, what to avoid and how to report problems. When a damp survey identifies occupancy factors, any advice to the tenant should be recorded and followed up in a supportive tone rather than a blaming one. Where reports show building defects or inadequate systems, those findings should feed into your repair plans and investment strategy. Careful documentation of these steps is essential if the situation later ends up before a judge or ombudsman who has to decide whether you met both Section 11 and wider habitability duties.

Beyond a Superficial Inspection: The Role of a Professional Damp Survey in Section 11 Compliance

A brief visit where someone wipes a wall, remarks on condensation and advises “keep the windows open” is no longer enough to show reasonable repair where damp is serious. A professional damp survey provides a structured investigation carried out by someone with recognised expertise, following a transparent method and leading to a written report that can be relied on as evidence. Knowing when to commission such a survey, and how to brief the surveyor, is central to showing reasonable repair in difficult cases.

When a full damp survey becomes the reasonable next step

A full damp survey is justified when the problem is serious, persistent, affects vulnerable occupants or carries a realistic risk of claims or council involvement. Not every complaint needs an immediate full survey; for minor, first‑time issues with an obvious cause that can be fixed quickly, in‑house inspections may be enough. However, once damp is extensive, long‑standing, reappears after earlier works, affects vulnerable occupants or attracts legal or council attention, a professional survey quickly moves from “nice to have” to “hard to argue against”. In those situations, relying only on brief contractor notes is difficult to defend, whereas a survey gives you a clear diagnosis, a record of what was found and a set of recommendations that can be tied back to Section 11 and fitness duties. Professional surveying standards, such as those published by RICS, also emphasise the need for fuller investigation where defects are significant, persistent or likely to give rise to disputes.

As a rule of thumb, a full damp survey is usually justified where you see one or more of the following:

• Large areas of mould, widespread staining or structural damage
• Repeat complaints about the same area within a short period
• Damp returning after previous repairs or treatments
• Vulnerable occupants, such as young children or people with respiratory illness
• Threatened or actual claims, pre‑action letters or council interest

Reasonableness also depends on what you already know about the building. If previous leaks, roof problems, external defects or inadequate ventilation have been reported and damp continues, it becomes very difficult to argue that a thorough investigation is not required. A simple internal trigger list helps staff know when to escalate from routine checks to commissioning a specialist so that decisions do not depend on who happens to be on duty.

Choosing and briefing the right kind of surveyor

Choosing a surveyor who focuses on diagnosis rather than selling treatments makes it much easier to show that your decisions were based on independent evidence. For complex or contested damp cases, this may be a chartered building surveyor with strong building pathology experience or a specialist damp and timber surveyor who is used to reporting for legal or enforcement purposes. What matters is that they understand both moisture behaviour and the legal context you are working within.

Your instruction should make it easy for the surveyor to give you what you need. A practical briefing usually covers:

• History of the problem, including key dates and repeat complaints
• Summary of earlier works, reports and known building defects
• Details of occupants, with any health or vulnerability concerns
• Specific questions about causes, responsibilities and risks
• Clear request for a written report suitable for use in disputes

In Sussex and the surrounding area, many landlords and agents choose to work with independent specialists such as Sussex Damp Experts when they reach this stage, because it reduces the risk of being accused of marking their own homework. An impartial, technically sound report often carries more weight than a contractor’s quote and reassures both tenants and regulators that the diagnosis is not driven by a sales agenda.

Inside a Section 11‑Ready Damp Survey Report: A Practical Framework

A Section 11‑ready damp survey report is not a magic legal shield, but it does give you a solid foundation to show that you investigated problems competently and acted on evidence. To be persuasive with tenants, councils and courts, the report needs to follow a clear structure, explain how information was gathered and make reasoned links between causes, responsibilities and recommended works. A vague “dampness noted” line will not achieve that.

Good reports turn arguments about blame into conversations about solutions.

The core building blocks of a defensible damp report

A strong report starts with basic identification details and a clear scope, so anyone reading it understands what was done, why it was done and where the limits sit. That means recording the property address, date of inspection, who instructed the surveyor, the purpose of the report and the surveyor’s qualifications or professional status. It should also set out the scope and limitations of the inspection, including what could not be seen or tested, so nobody later overstates how comprehensive it was.

From there, the core building blocks usually include:

• Identification block: – property details, instruction, purpose and surveyor credentials
• Scope and limitations: – areas inspected, methods used, access issues and any restrictions
• Construction and condition: – relevant building type, age, alterations and visible defects
• Observed symptoms: – locations of staining, mould, decay and visible moisture patterns
• Readings and measurements: – moisture and environmental data, interpreted in plain language
• Diagnosis: – reasoned explanation of likely moisture mechanisms in each affected area

Next, the report should describe each affected area in turn, supported by photographs and, where appropriate, simple plans or diagrams. Moisture readings and environmental data should be presented clearly and interpreted, not just listed in a table without comment. The diagnosis section should distinguish rising damp, penetrating damp, leaks, condensation and other mechanisms, and explain why particular causes are more likely than others, so that an outsider can follow the logic.

Making responsibilities, risks and priorities explicit

For Section 11 purposes, a report is most useful when it tells you clearly who is likely to be responsible for which elements and how serious each issue is. That means separating landlord‑controlled components from occupancy‑related factors, commenting on health and fitness implications and ranking the recommended works in a way that guides action. Clear language here reduces argument, speeds up decisions and makes it easier to explain your approach to tenants, advisors and regulators.

To support your Section 11 position, the report should say something specific about where responsibility sits for each significant issue. That allocation needs to be written in neutral, factual language, avoiding blame‑loaded terms while still being concrete enough to act on. It should also link findings to health and safety where relevant, indicating whether conditions might be viewed as serious hazards or threats to fitness for habitation rather than leaving that to guesswork.

In practical terms, a good report usually does three things explicitly:

• Allocates responsibility: – separates landlord elements (structure, services, ventilation) from occupancy‑related factors
• Links to risk: – comments on likely health impact, usability of rooms and potential HHSRS fitness concerns
• Prioritises works: – sets out urgent actions, follow‑on works and longer‑term options with broad timescales

Finally, the report should explain any need for further investigation, such as opening up concealed areas, tracing plumbing or commissioning structural advice. With this structure in place, you can show not only that you sought expert input, but also that you had a clear, proportionate plan to act on it and to address the most serious risks first.

Turning Reports into Protection: Building a Defensible Evidence Trail

A high‑quality damp survey report only achieves its full value when it sits within a wider evidence trail that shows what you were told, what you did and when you did it. Courts, councils and ombudsmen often decide damp cases by looking at that timeline rather than by re‑diagnosing the wall themselves. A landlord who can produce a clear, chronological file, instead of a handful of scattered emails and invoices, is already halfway towards demonstrating reasonable repair. Civil procedure and disclosure guidance in housing and disrepair claims tends to emphasise contemporaneous records and organised document bundles, which is exactly what a coherent evidence trail gives you.

Building a complete case file for each damp incident

A complete case file for each significant damp complaint makes it easy for an outsider to follow the story from first report to final resolution. At a glance, they should see when you were put on notice, how quickly you inspected, when you commissioned expert input and how long it took to complete permanent works. A neat, well‑ordered record often reassures decision‑makers that you treated the issue as a genuine risk rather than an irritation.

A practical case file will normally contain:

• The tenant’s initial reports, with dates and any attached photos
• Your acknowledgements and holding responses, also dated
• Internal inspection notes, moisture readings and site photographs
• Copies of survey instructions, damp reports and recommendations
• Contractor quotes, works orders, invoices and completion notes
• Follow‑up inspection records confirming whether conditions improved

This does not require complex software, although repair management systems can help. A well‑organised digital folder with a simple index or checklist often does the job. The important point is that anyone reviewing the file can follow the story from first complaint through to resolution without having to piece it together from memory or inbox searches, and that you can show how your Section 11 and fitness duties were handled at each stage.

Using data and reviews to improve future decisions

Looking across many completed damp cases helps you move from firefighting to prevention. Regular reviews can highlight addresses that repeatedly appear, causes that crop up again and again, and stages in your process where delays are common, while looking at individual files helps you defend particular cases when they are challenged. Analysing closed damp cases once or twice a year can reveal patterns that are easy to miss in day‑to‑day work but that may have real implications for asset planning and tenant safety. Done well, it means fewer serious incidents and a stronger position when something does go wrong.

Looking at individual files helps you defend particular cases; looking across many files helps you improve practice. Analysing closed damp cases once or twice a year can reveal patterns that are easy to miss in the moment but that may have real implications for asset planning and tenant safety.

Useful patterns to look for include:

• Addresses that appear repeatedly with similar damp issues
• Clusters of cases linked to the same cause, such as gutters or ventilation
• Stages where delays often occur, for example between survey and works
• Common gaps in communication, record‑keeping or follow‑up visits

Once those patterns are visible, you can turn them into specific improvements. For example, you might:

• Feed the findings into your asset strategy and capital works planning
• Update standard specifications or preferred materials for recurring defects
• Adjust internal standards for response times, triage and escalation
• Design targeted training for staff who instruct surveyors or manage cases

Sharing anonymised case studies with your teams, especially where outcomes were difficult, often brings these lessons to life. Walking through what worked, what failed and how evidence was viewed by external bodies builds practical understanding far more effectively than policies alone, and it reduces the risk of repeat Section 11 breaches or recurring Category 1 damp hazards.

Book Your Consultation With Sussex Damp Experts Today

Sussex Damp Experts help landlords and managing agents turn damp and mould complaints into clear diagnoses, practical repair plans and defensible evidence under Section 11. A short consultation can quickly show whether your current approach to inspections, survey instructions and record‑keeping would stand up if a tenant brought a disrepair claim or a council officer asked to see your files. That gives you clarity before the next difficult case lands, rather than when you are already under pressure.

What you can cover in a consultation

A focused consultation gives you a structured way to test your current processes against real cases and current expectations. In most situations, you can walk through one or two live or recent files and see, step by step, where the strengths and weaknesses in your evidence trail lie. That might include the quality of existing reports, the timing and content of communications, and whether root causes have genuinely been addressed rather than just managed.

Typical topics to cover include:

• Whether your inspection and survey triggers are robust enough
• How well your survey instructions brief the damp surveyor
• Whether reports clearly allocate responsibilities and priorities
• How complete and readable your case files are for each incident

The aim is not to criticise your team, but to give you a concrete, prioritised list of improvements that reduce risk for both your tenants and your organisation. That kind of review also helps test whether your internal idea of “reasonable repair” matches what courts, ombudsmen and councils now expect from landlords. Sussex Damp Experts regularly support landlords and managing agents with Section 11‑focused damp survey reports, so the guidance you receive is grounded in the realities of claims, enforcement and survey practice. Their own landlord‑focused resources on sussexdampexperts.com reflect practical experience of how case files, survey evidence and repair decisions are examined when disputes arise.

Which cases should you prioritise for a specialist damp consultation

Prioritising the right properties for specialist support helps you focus time and budget where the risk is highest. It also shows that you are actively managing problem homes rather than waiting for issues to escalate. Starting with the most complex or sensitive cases quickly builds experience you can apply more widely across your portfolio.

In practice, it often makes sense to start with:

• Properties with a history of repeat damp or mould complaints
• Homes with complex construction or heritage constraints
• Households with vulnerable occupants or health concerns
• Cases already linked to legal claims or local authority interest

You can also use a consultation to design a lightweight framework that links damp surveys, repair decisions and follow‑up checks for higher‑risk homes in Sussex and neighbouring areas. Once that framework is in place, you have somewhere experienced to turn when new regulations arrive, high‑profile cases hit the news or an unexpected claim lands on your desk. Instead of reacting under pressure, you can show that you already have a structured way to understand damp, demonstrate reasonable repair and keep your properties healthier for the people who live in them.

Frequently Asked Questions