By 
April 3, 2026
How Often Deathwatch Beetle Appears in UK Homes
You are unlikely to find deathwatch beetle in the average UK home, but it remains a real risk in older damp oak buildings.
Deathwatch beetle is uncommon across UK housing overall, yet it is well recognised in a narrower group of buildings where old hardwood timbers, persistent moisture and decay come together. Nationally, it is not the everyday timber pest that common furniture beetle is. In the wrong building, though, it can matter a great deal. The Joint Nature Conservation Committee places saproxylic beetles within a specialist deadwood ecology rather than something spread evenly through ordinary housing stock.
Most UK homes do not combine the conditions deathwatch beetle prefers. Pre-war and especially pre-1900 properties are a minority of the housing stock, and a smaller subset still retain substantial structural oak. Many modern homes simply do not offer the same habitat. Older buildings sometimes do. They often tell their own story through damp and timber: an old roof leak, a buried beam end, years of condensation in a cold void, then decay, and only after that the beetle.
The word “common” is where people get misled. A species can be present in Britain and still be uncommon in domestic buildings. Deathwatch beetle is far less frequently encountered in ordinary houses than common furniture beetle, which sits behind most everyday “woodworm” reports. Its stronger association with older hardwood environments and deadwood processes helps explain why it is so much more relevant to certain period buildings than to modern housing.
If you live in a 1990s estate house, deathwatch beetle is unlikely. If you own a damp 17th-century cottage with original oak beams, the answer changes. That is the real tension here: rare nationally, but not rare enough to dismiss if your building fits the profile.
Why Deathwatch Beetle Shows Up in Some UK Buildings and Not Others
You are most at risk when old oak, persistent moisture and fungal decay overlap inside the same building fabric.
Deathwatch beetle is selective. It does not usually attack sound, dry timber at random. The pattern is usually moisture first, decay next, beetle after. If you only think “old house equals beetle”, you miss the real driver. If you think “old timber plus damp history plus decay”, you are much closer to the truth. The UK Government building stock hazards report reinforces the wider point that moisture exposure is a major vulnerability in older stock.
Damp and fungal decay come first
Persistent damp makes timber more hospitable to fungi. Fungal decay then softens the wood structure, especially in older hardwoods that would otherwise be difficult for larvae to exploit. That is why unresolved water entry matters so much. Roof leaks, overflowing gutters, defective flashings, plumbing escapes, high humidity in enclosed voids, and beam ends built into damp masonry can all start the same chain.
Without that decay stage, old oak can be remarkably resistant. With it, the timber becomes much more vulnerable. For many worried owners, that is the first relief: the beetle is rarely a bolt from the blue. The building has usually been signalling trouble for some time.
“If you can control the moisture in the timber, the beetles choose not to live there.” — Tobit Curteis, architectural conservator, medieval church conservation project The Guardian: Medieval panel paintings under threat from beetles and bats
Why oak matters, and sometimes elm or chestnut
The classic setting is old structural oak. Many of the more serious cases are found in beams, joists, lintels and trusses in heritage buildings where oak has been in place for centuries. Other hardwoods can be involved, but oak dominates the discussion because it dominates the traditional structural story in much of England.
That also explains why modern softwood-dominant homes are usually lower risk. The better rule is not “old building equals infestation”. It is “damp building with decayed hardwood equals vulnerability”. Once you understand that, the next question becomes simple: does your property actually fit that pattern?
Which UK Homes and Buildings Are Most at Risk?
Your risk rises sharply if your property is older, oak-rich, poorly ventilated, or has a long history of damp.
The highest-risk properties are not random. They are buildings where structural hardwood is still present and where moisture has had time to do its work. If your home sits in that overlap, deathwatch beetle becomes a realistic inspection issue rather than a remote possibility.
Timber-framed houses and barns
Pre-1700 timber-framed buildings, old barns and heavily altered farm buildings sit near the top of the risk scale. They often contain substantial oak members, concealed joints, embedded beam ends and long maintenance histories. If those timbers have been exposed to leaks, poor drainage or stale unventilated air, conditions become more favourable.
Churches, historic estates and converted buildings
Churches are the classic reference point because they combine age, oak and long-term moisture challenges. Historic estates, manor houses and converted agricultural buildings can share the same pattern. Large roof spaces, intermittent heating and previous water ingress all matter. A smart conversion can still hide very old structural timber behind finishes.
Listed buildings with deferred maintenance
Listed buildings are not automatically infested. Many are dry and well cared for. The risk rises when repairs have been delayed, ventilation has been compromised, or damp has been tolerated for years. That is often when the structure starts telling its story through staining, friable timber, fungal growth and historic flight holes.
If you have just bought a 17th-century cottage and notice old oak beams, a musty roof void and signs of past leaks, you do not need to assume the worst. You do need to treat the building as part of the higher-risk group. The same applies if you uncover an oak lintel during renovation and find old holes in timber that has clearly been damp before.
“We found the holes while stripping back old finishes, and suddenly a routine renovation felt like a structural question.” — A period property owner in Sussex (illustrative persona)
| Building type | Risk level | Why |
|---|---|---|
| Modern post-war home | Low | Usually lacks old structural oak and long-term decay conditions |
| Victorian/Edwardian house with some original timber | Moderate | Risk depends on retained hardwood, hidden voids and damp history |
| Timber-framed cottage or barn conversion | High | Often contains original oak, concealed joints and moisture-prone details |
| Church, manor house or major heritage building | High | Large old hardwood structures plus long exposure to leaks and damp |
A quick self-check helps. Your risk is higher if the building is old, if major timbers are oak, if there is a history of roof or gutter trouble, if beam ends disappear into masonry, or if ventilation has been poor for years. If several of those apply, you have a reason to investigate, not a reason to panic.
Where in the UK Is Deathwatch Beetle More Likely to Be Found?
You are more likely to encounter deathwatch beetle where historic oak building stock and long-term damp conditions overlap.
The clearest pattern is not a neat national map. It is a building map. Deathwatch beetle tends to be more relevant in parts of the UK with a greater concentration of old hardwood-framed buildings, surviving heritage structures and conditions that allow damp and decay to persist. That usually points toward southern and central England more than the far north. Survey records also support a patchy rather than uniform distribution.
Southern and central England concentration
Southern and central counties contain a large share of England’s older timber-framed buildings, churches and estates. That does not mean every old house in the South has deathwatch beetle. It does mean the building ingredients are more common there. Counties such as Sussex, Kent and Hampshire come up more often because the regional building tradition includes plenty of older oak construction.
At Sussex Damp Experts, this is one reason the question arises more often in period surveys across the South East than in newer suburban stock.
Why it is rarer in Scotland and many northern areas
Further north, the building tradition changes. Stone becomes more dominant, timber framing patterns differ, and the concentration of the classic oak-framed risk profile reduces. That does not make northern cases impossible. It just makes them less typical in domestic buildings.
There is another distinction worth keeping in mind. Wildlife and deadwood habitat records do not translate directly into household infestation rates. A beetle recorded in ancient tree habitat is not the same as active attack in your loft beam.
So the useful regional answer is measured, not dramatic: deathwatch beetle is more relevant in parts of England with dense historic oak building stock, and less relevant where that stock is sparse. That matters because many suspicious cases are not deathwatch beetle at all.
How Often Is It Mistaken for Ordinary Woodworm?
You can mistake deathwatch beetle for ordinary woodworm if you judge by holes alone and ignore timber, moisture and context.
Misidentification is common because “woodworm” is a catch-all term in everyday speech. Most people are reacting to holes in timber, not identifying a species. The problem is that holes alone tell an incomplete story. In ordinary homes, common furniture beetle is much more likely than deathwatch beetle. Deathwatch beetle is more strongly associated with older hardwood timbers and structural members.
Exit hole size and frass differences
As a rough guide, common furniture beetle often leaves smaller holes, usually around 1 to 2mm, with a finer gritty frass. Deathwatch beetle is associated with larger holes, often around 3mm or more, and a coarser frass made of bun-shaped pellets. Those are useful clues, but not a complete diagnosis. You still have to consider the building, the timber species and whether decay is present.
Why correct identification matters for treatment
If you find small holes in a bedroom beam in a dry, otherwise ordinary house, deathwatch beetle is not the first assumption. If you find larger holes, coarse frass and softened oak in a damp period property, it moves higher on the list. That difference matters because the response changes. Generic spray treatment for “woodworm” may miss the real issue if moisture, decay and structural timber condition have not been assessed properly.
You might lift old boarding during renovation, see a few holes, and fear the worst. Often the release is simple: the pattern, timber type and condition point to something far more routine. The familiar tapping sound is another clue people ask about. Adult deathwatch beetles can produce an audible tapping during mating, but hearing it is unusual in many domestic settings and not hearing it proves nothing.
| Feature | Common furniture beetle | Deathwatch beetle |
|---|---|---|
| Typical setting | Ordinary homes, joinery, softwoods | Older oak structures, heritage buildings |
| Hole size | Usually smaller, around 1 to 2mm | Usually larger, around 3mm+ |
| Frass | Fine, gritty | Coarser, bun-shaped pellets |
| Damp/decay link | Less specific | Stronger association with damp-decayed hardwood |
Correct identification is not about being clever. It is about avoiding the wrong remedy and focusing your attention where it belongs.
When Is Deathwatch Beetle a Serious Problem — and When Is It Not?
You should worry when signs appear in structural oak with active damp or decay, not simply because old flight holes exist.
Calm assessment matters here. Many deathwatch beetle findings are historic rather than active. The timber may still show old exit holes from previous emergence, but there may be no strong sign that larvae are still feeding. Old holes can look alarming. They do not automatically mean present danger.
Surface damage versus structural compromise
A few scattered old holes in an exposed beam are not the same as structural failure. Even active infestation is not automatically an emergency. Larvae develop slowly over several years, and damage accumulates over time rather than overnight. That gives you room for proper diagnosis.
What matters is where the damage is, how much timber has been lost, and whether the supporting damp-and-decay conditions are still there. A decorative timber with old inactive flight holes sits in a very different category from a decayed load-bearing beam end buried in wet masonry.
When it genuinely threatens the building
The risk becomes serious when several things line up together:
- the timber is structural
- there is meaningful loss of cross-section or strength
- fresh frass or recent emergence suggests current activity
- damp or fungal decay is ongoing
- the affected member is carrying load in a floor, roof or frame
If a survey finds old holes in an oak beam but no fresh dust, no sharp-edged new holes, no elevated moisture and no ongoing decay, the right response may simply be recording and monitoring. If the same beam is soft, damp, decayed and shedding fresh frass, the issue moves into a different category.
That is often the hardest moment for owners. You may be relieved it is not an emergency, yet uneasy because it still sounds serious. The practical answer is to separate activity from structural consequence. Active does not always mean dangerous. Historic does not always mean irrelevant.
A practical way to think about it is this:
Usually lower concern
– old holes only
– dry timber
– no fresh frass
– non-structural location
– no active decay
Higher concern
– fresh frass beneath timbers
– sharp-edged recent holes
– damp stains or leaks still present
– fungal decay visible
– beam ends, joists, trusses or lintels affected
Most discovered infestations are not structural crises. But when active deathwatch beetle appears in already weakened load-bearing oak, it deserves prompt expert attention.
When Are You Most Likely to Notice It? Seasonal Patterns in the UK
You are most likely to notice adult beetles or tapping in warmer months, even though the damage builds silently for years.
In the UK, adult deathwatch beetles are most often noticed in spring and early summer, commonly from April into June. That seasonality is about visibility, not about when the problem began. By the time an adult emerges, the larvae have usually spent years inside the timber.
April to June emergence and the tapping sound
The famous tapping sound is the adult mating call. The beetle produces it by striking its head or jaws against the timber. In a quiet old building you might hear it. Many people never do, so it is a clue, not a test.
What is often more useful is what you can see: fresh frass collecting below a beam, recently opened holes with clean sharp edges, and adult beetles appearing near old oak timbers in late spring.
When to inspect, and what to listen for
If you suspect deathwatch beetle, late spring and early summer are good times to look carefully. Check vulnerable timbers, especially where old oak meets damp masonry or where roof leaks have been present. If you are in the middle of a renovation and expose hidden oak in May or June, that is a sensible moment to inspect closely. But do not let a quiet winter reassure you too much.
What Should You Do If You Think You’ve Found Deathwatch Beetle?
You need diagnosis before treatment, because the right response depends on activity, structural risk and the moisture conditions keeping attack alive.
Do not panic, but do not ignore it either. Deathwatch beetle is rarely a reason for instant alarm, yet it is a poor subject for guesswork. If you react too fast, you risk spending money on the wrong treatment. If you do nothing, you may miss an underlying problem affecting important timber. The good news is that there is a sensible order to follow.
Don’t panic — but don’t ignore it either
Start by gathering evidence. Photograph the holes, the timber face, any dust beneath it, and the surrounding area. Note whether the timber looks structural or decorative. Look for the wider story too: staining, leaks, fungal growth, damp masonry, musty voids, or soft crumbly areas at beam ends.
Then stop. Avoid spraying retail insecticide into the holes. Avoid sealing, painting or boxing in the area before anyone has inspected it. DIY treatment can hide useful evidence and may do nothing about the conditions that allowed the attack in the first place.
If you notice fresh dust below an old oak beam after a wet winter, or uncover a suspicious lintel halfway through a renovation, that is exactly the moment to pause and get it looked at properly rather than rushing for a spray.
What a specialist survey involves
A useful survey should answer four questions.
First, is it really deathwatch beetle or another wood-boring insect?
Second, is it active now, or are you looking at historic damage?
Third, is the affected timber structural, and if so, how much sound section remains?
Fourth, what moisture source or decay condition is supporting the problem?
That last question is crucial. In period buildings, insect attack often sits inside a wider chain of defects. A blocked gutter, failed flashing, bridged masonry, trapped condensation or a chronically damp void may be part of the same story. If that is left untreated, any insect-specific work is only a partial answer.
“Standard methods of detecting deathwatch beetles simply aren’t working.” — Cathryn Harvey, PhD researcher, Cranfield University / HMS Victory project Source
For buyers and sellers, the survey should also separate cosmetic concern from real liability. Old flight holes in sound dry timber may affect confidence more than structure. Active attack in decayed load-bearing oak is different. Once those distinctions are clear, the problem usually feels far more manageable.
“We do not start with a spray treatment; we start by asking whether the timber is structural, whether the attack is active, and why the wood stayed damp long enough for beetles to thrive.” — Senior Timber Surveyor, Sussex Damp Experts (company voice)
How Sussex Damp Experts can help
If you are in Sussex or the South East and your building fits the higher-risk profile — old oak timbers, damp history, signs of decay, suspicious frass or recent holes — Sussex Damp Experts can inspect the problem in the round. That means looking not just for insect signs, but for the timber and moisture conditions behind them.
The reassuring part is this: deathwatch beetle is usually understandable once the building is read properly. Most cases are not mysteries. When you know whether the attack is active, whether the timber is structurally important and whether moisture is still feeding the cycle, you can act calmly and correctly. That is what turns a worrying discovery into a manageable repair plan.
Frequently Asked Questions
Does deathwatch beetle affect a mortgage or house sale in the UK?
Yes, it can affect a sale or mortgage, but usually because of uncertainty, not because the insect name alone automatically kills the deal. Lenders and buyers worry about three things: whether the timber is structural, whether the issue is active, and whether there is a clear repair path. If those points are unclear, survey comments can trigger renegotiation, retention requests, or a demand for a specialist timber report before exchange.
In practice, the wording in a survey matters a lot. A valuation that says “evidence of wood-boring insect attack” is different from one that says “suspected active infestation affecting structural timbers.” The first often leads to further enquiries. The second can make a lender pause until more detail is available. The Royal Institution of Chartered Surveyors explains that defects affecting building condition and future repair liability can influence both value and lending decisions RICS. Lenders are rarely insect experts. They are responding to risk language.
If you are selling, the most useful move is not denial. It is clarity. A specialist report that separates historic from active attack, comments on structural significance, and explains the likely scope of works can stop a vague concern turning into a worst-case assumption. Buyers are far more comfortable with a defined problem than with an undefined one. The same principle applies if you are buying a listed cottage, converted barn, or period terrace and the surveyor flags old timber holes. You may still proceed, but you need evidence strong enough to convert worry into a plan.
Insurance is a separate question. Most standard household policies are designed for sudden events, not long-developing maintenance issues or gradual timber deterioration. The Financial Ombudsman Service regularly notes that wear, tear, rot, and maintenance-related problems are often excluded from ordinary home policies Financial Ombudsman Service.
Your best takeaway is simple: if deathwatch beetle appears in a property transaction, treat it as a documentation problem first. Clear reporting protects value better than hopeful language.
Can decorating or renovating make deathwatch beetle harder to assess?
Yes, and this is one of the easiest ways a manageable timber problem turns into a confusing one. If you sand beams, strip finishes, fill holes, repaint timber, or box everything back in before a proper inspection, you can remove exactly the clues a specialist needs to judge what is going on. The result is not always disaster, but it can turn a straightforward assessment into a more expensive and invasive one.
The main issue is evidence loss. Surface finishes, dust patterns, the sharpness of hole edges, local staining, and the way timber meets masonry can all help explain whether damage is recent, historic, localised, or linked to a broader moisture problem. If you decorate first, you may accidentally erase that story. The same applies during renovations when old joinery or lintels are exposed for only a short time and then quickly covered again. A few rushed cosmetic decisions can mean more opening-up later.
There is also a sequencing problem. Renovation teams often want to keep momentum. If a builder is due next week, you may feel pressure to “tidy it up” and keep the project moving. But covering suspicious timber before it has been recorded can complicate mortgage discussions, listed building conversations, or contractor pricing later. Historic England’s advice on maintaining older buildings repeatedly stresses understanding existing fabric before carrying out works, especially where original material survives Historic England.
A simple rule helps:
| Do | Avoid |
|---|---|
| Photograph exposed timber from several angles | Filling or sanding holes before inspection |
| Record where debris or staining appears | Painting or staining over suspect areas |
| Note when the timber was uncovered | Boxing in beams immediately |
| Keep removed finishes if relevant | Throwing away material before anyone sees it |
If you are midway through a renovation and find suspicious holes, the safest move is usually to pause that area, document it well, and get advice before you lose the evidence. A short delay now can save a much bigger delay later.
Does deathwatch beetle spread to neighbouring houses or other parts of your home?
It can spread, but not in the casual, fast-moving way people often imagine. Deathwatch beetle is not like a stain spreading across plaster overnight, and it is not usually a problem that “jumps” neatly from one modern house to the next. For spread to happen, the next timber has to offer the right conditions. That means suitable hardwood, the right moisture history, and a place for the insect to complete its life cycle. Without that, movement is much less likely to matter.
Inside one property, spread is more plausible than between unrelated neighbouring buildings. If you have several connected structural timbers in similar damp conditions, the risk is less about invasion from outside and more about multiple suitable areas already existing within the same building. For example, an old roof leak affecting one section of frame may not stay neatly localised if adjacent timbers share the same ventilation and moisture problems.
Between neighbouring properties, the picture depends heavily on building form. In a terrace of brick-built Victorian houses with limited old hardwood structure, the practical risk of spread may be low. In a subdivided manor house, a converted farm range, or linked heritage buildings sharing ancient oak members, the situation is different because the structure itself may be continuous. If you live in a shared freehold conversion and one owner discovers suspicious timber damage in a common roof, that is a good example of a case where one person’s problem may need a joint response.
This matters for listed buildings and blocks under shared management. If you are a leaseholder or part-owner in a converted historic property, it is worth checking whether responsibility sits with the freeholder, management company, or all owners collectively. Guidance on buying leasehold property from the UK government stresses that repair responsibility depends on tenure documents, not assumptions GOV.UK.
The practical takeaway is not to panic about your neighbour’s loft infecting yours. It is to think in terms of shared building fabric and shared conditions. If the timbers are connected and the damp source is common, coordinated inspection makes sense. If they are not, the risk of meaningful spread is usually much lower than people fear.
How much does deathwatch beetle work usually cost in the UK?
The cost varies widely because “deathwatch beetle” can describe very different jobs. A simple inspection and report is one kind of cost. Opening up hidden timbers, repairing decay, replacing beam ends, or working in a listed building is another. That is why headline prices on the internet are often misleading. The cheapest part may be identifying the issue. The expensive part is often the carpentry, access, drying, or conservation work around it.
A useful way to think about cost is by category rather than by one magic number:
| Cost area | What you are paying for | Why it varies |
|---|---|---|
| Specialist survey | Inspection, moisture checks, reporting | Size, access, complexity, whether structural advice is needed |
| Opening up | Lifting floors, removing finishes, access equipment | How hidden the timber is |
| Timber repair | Splicing, resin repair, local replacement, carpentry | Severity and structural role |
| Environmental correction | Leak repair, ventilation changes, damp control | Cause of vulnerability, not just insect evidence |
If you are budgeting, expect listed buildings and hard-to-access roofs or floors to cost more than straightforward exposed timber inspections. A church loft, a barn truss, and a ceiling beam in a cottage are not comparable jobs. The Society for the Protection of Ancient Buildings often warns owners that old-building repairs can escalate when modern materials have trapped moisture or when hidden decay is revealed during works SPAB.
A practical budgeting rule is to separate:
1. investigation cost
2. stabilisation cost
3. repair cost
4. preventive cost
It also helps to remember that quotes are often staged. You may first pay for diagnosis, then for limited opening-up, and only after that receive a firmer repair figure. Do not ask only, “How much is the treatment?” Ask, “How much will it cost to understand the problem properly, make the building dry enough, and repair what has already weakened?” That question usually gets you closer to reality.
If you are buying a property, try to obtain estimates before exchange if the defect is material. If you already own it, start with a survey budget, not a full-works assumption. The report may show the problem is more limited than feared, or it may show that the insect is only one part of a broader timber repair job.
Are there special rules if deathwatch beetle is found in a listed building?
Yes. If your building is listed, the main difference is not that insects behave differently. It is that your options for repair, replacement, access and materials may be more tightly controlled. In an ordinary building, someone may be tempted to strip out a suspect timber and replace it quickly. In a listed building, that approach can create legal and conservation problems even if the intention is good.
Listed building consent may be required if proposed works would alter the character of the building as a building of special architectural or historic interest. That can include removing historic beams, cutting back original fabric, changing details, or introducing new repair methods in significant areas. Historic England explains that owners should check with their local planning authority before carrying out works that affect historic fabric, because unauthorised changes can be a criminal matter Historic England.
That does not mean you are trapped. It means the repair path needs to be more thoughtful. Conservation-led work often aims to retain as much original material as possible, use localised repairs where feasible, and avoid over-intervention. In practice, that may mean:
– opening up only where necessary
– repairing sections rather than wholesale replacement
– documenting timber condition before work starts
– coordinating surveyors, structural engineers and conservation officers
– choosing breathable, compatible materials rather than sealing systems that trap moisture
There is also a timing issue. If listed building consent is needed, you may need extra lead time before major works begin. That can feel frustrating, but it often prevents irreversible mistakes. In genuine emergency situations, temporary propping or making-safe measures may still be possible, but permanent repairs usually need proper agreement and documentation.
If you own or manage a listed property, your best first move is usually to establish facts before discussing solutions. Once you know whether the issue is active, structural, and located in significant historic fabric, conversations with the conservation officer become much easier. The important point is this: listed status changes how you repair, not whether you should understand the problem properly.
How long does deathwatch beetle work take, and how disruptive is it?
The timescale depends far more on the scope of work than on the insect label. A single inspection visit may take a few hours. A written report may follow within days, depending on who is preparing it. But if hidden timbers need opening up, if structural repairs are required, or if listed-building permissions are involved, the timeline can stretch from weeks into months.
It helps to split the process into stages.
Stage 1: inspection and diagnosis
Usually low disruption. You may need access to lofts, cellars, cupboards, boxed-in beams, or floor edges. Furniture may need moving, but many visits are visually manageable.
Stage 2: opening up and confirming extent
This is where disruption starts to rise. Floorboards may come up. Ceiling edges may be exposed. Old finishes may need careful removal. Dust, noise and access restrictions become more likely.
Stage 3: repair and environmental correction
This can range from modest joinery to significant structural carpentry, leak repairs, drying time, and redecoration. If the building is occupied, some rooms may become awkward to use for a period.
The hidden variable is sequencing. If a repair depends on scaffolding, structural design, conservation input, or roof works first, the programme can extend even when the timber job itself is not huge. Scaffold availability, contractor lead times, and access to specialist joiners can also slow things down, especially in busy periods. The Health and Safety Executive reminds property owners and contractors that structural repairs and work at height need careful planning, which can affect timing as much as the repair itself HSE.
The best way to reduce disruption is to ask for a staged plan, not just a price. You want to know:
– what can be inspected without opening up
– what might require opening up later
– whether rooms will be out of use
– whether temporary support is needed
– what drying or monitoring period may follow repairs
If you are living in the building, that information matters just as much as cost. In straightforward cases, the disruption may be modest. In complex period properties, the repair programme may feel more like a small building project than a pest-control visit.
