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Bristol pastel-coloured Georgian and Victorian terraced houses on a hillside with original timber floors

Bristol · South West England

Woodworm Treatment in Bristol

Specialist treatment for Bristol's Georgian crescents, Victorian terraces and harbourside conversions — where damp maritime air keeps timber moisture high. Free surveys and a 30-year guarantee.

  • Free survey from a qualified, local surveyor
  • Damp diagnosis as standard — not just spray
  • Fixed written quote and a 30-year guarantee
Call 0121 271 0061 Mon–Sun, 7am–8pm

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Woodworm in Bristol

Period timber and humid air — a beetle's ideal mix

Bristol's celebrated Georgian crescents, Victorian terraces in Clifton, Bedminster and Totterdown, and converted harbourside warehouses all rely on original timber. The city's damp, maritime air keeps timber moisture content high — a key trigger for active woodworm infestation.

From the Georgian terraces stepping up the hill in Clifton to the bay-fronted Victorian houses of Bedminster, Totterdown and Bishopston, Bristol's housing leans heavily on original softwood: suspended ground floors, long internal staircases and roof structures that have carried these homes for generations. It is fine timber — but it is also exactly the sapwood-rich softwood the common furniture beetle prefers.

What sets Bristol apart is the air. Sitting in the Avon valley with the Floating Harbour at its heart, the city holds moisture, and damp timber is what turns a dormant beetle population into an active, spreading infestation. Cellars and below-pavement basements only add to it. Treat the woodworm without addressing that damp and it comes back — so every treatment we carry out deals with the moisture too.

Spot it early

Signs of woodworm in a Bristol home

Caught early, woodworm in period timber is straightforward to treat. These are the four signs worth checking, especially in older terraces and before a sale.

Round 1–2mm exit holes

Sharp, pale-edged holes in floorboards, staircases and skirtings throughout Bristol's terraced housing — the mark of the common furniture beetle, the cause of around three quarters of UK cases.

Frass under floors and stairs

Fine, gritty bore dust building up in cellars, on understair timber and beneath suspended ground floors. Fresh, pale frass that returns after cleaning signals an active infestation.

Damp, spongy timber

Floorboards or joists that feel soft, spring underfoot or crumble at the edge — common where Bristol's humid air and basement damp have raised the timber moisture content.

Beetles indoors in summer

Small reddish-brown beetles on windowsills and in cobwebs from late spring through summer, when adults emerge to breed in nearby timber.

Read the full identification guide →

How we treat it

The right method for Bristol's period timber

Treating a humid Victorian terrace is not the same as treating a dry modern home. We match the method to the timber, the damage and the damp behind it.

Water-based insecticidal spray

The standard professional treatment for active common furniture beetle in accessible floorboards, joists and roof timbers. Low odour, touch-dry within hours, and the home is usually back in normal use the same day.

About spray treatment →

Boron gel and paste

Deep-penetrating boron paste suits damp joist ends, cellar timber and heavier structural sections where spray cannot reach the core. It treats the heart of the timber and keeps working over time.

About boron & paste →

Structural timber repair

Where beetle and damp have weakened a joist, staircase or rafter beyond treatment, we splice, resin-repair or replace the affected section so the structure is sound — then protect the timber around it.

About timber repair →

Fixing the damp first

In Bristol, active woodworm almost always has a moisture cause. We diagnose and put right the damp — poor sub-floor ventilation, basement penetration, leaking rainwater goods — so the timber dries and beetles lose their conditions.

Dry rot & damp treatment →

Treating roof timbers in a period property? Bats are legally protected. If there is any sign of bats roosting in your loft, the law requires a check before timber treatment can proceed. See GOV.UK guidance on bats and the law — our surveyors flag this as part of the survey.

Where we find it

Woodworm in Bristol's building types

Bristol's housing varies street by street, and so does the timber inside it. These are the property types where we most often confirm an active infestation.

Georgian terraces and crescents

Clifton's elegant Georgian terraces and crescents are built on deep, multi-storey timber: long internal staircases, generous floor spans and roof structures carrying tall, narrow houses. Many sit above cellars or below-pavement basements that draw moisture, so the lowest timbers — cellar joists, the base of the staircase, ground-floor boards — are the first to show woodworm. Because these are often listed, we choose treatments that protect historic fabric.

Victorian and Edwardian terraces

The bay-fronted terraces of Bedminster, Totterdown, Bishopston and Redland are softwood throughout: suspended ground floors over a ventilated sub-floor void, plus original roof timbers. Where air bricks have been painted over or blocked by raised ground levels, that void stops breathing, moisture climbs and the common furniture beetle becomes active. Checking the sub-floor void is the most useful single inspection in these homes.

Harbourside warehouse conversions

Around the Floating Harbour, former warehouses and industrial buildings have been converted into flats that keep their original heavy structural timber. Sitting right on the water, they face the highest humidity in the city. That damp, combined with old softwood and sometimes long-neglected roof voids, makes harbourside conversions a recurring site for active woodworm — and a place where damp diagnosis matters as much as the treatment itself.

Why Bristol homeowners choose us

Specialists in Georgian and Victorian timber

We work to recognised industry standards and treat period homes with the care their fabric deserves.

Get a free quote
  • Free, honest survey

    We tell you plainly whether the woodworm is active or historic — and if no treatment is needed, we say so.

  • 30-year guarantee

    A written treatment certificate and a 30-year guarantee — useful for mortgage surveys and a future sale.

  • Damp diagnosed too

    In a humid city, we find and fix the moisture driving the beetle — so the treatment actually lasts.

  • Recognised standards

    We follow Property Care Association standards for timber treatment and damp diagnosis.

Woodworm treatment in Bristol — FAQs

Why do Bristol's Georgian and Victorian houses get woodworm?
Bristol’s Georgian crescents and the Victorian terraces of Clifton, Bedminster and Totterdown were built almost entirely in softwood — suspended timber floors, staircases and roof structures that have been in service for well over a century. That original sapwood-rich timber is exactly what the common furniture beetle targets, and the city’s damp, maritime air keeps timber moisture high enough to let an infestation stay active for years.
Does harbourside and basement damp make woodworm worse?
Yes — and it is the single biggest factor in Bristol. Humid air off the Floating Harbour and the Avon, combined with the cellars and below-pavement basements common in Clifton and the city centre, keeps timber moisture content high. Damp timber is what woodworm needs to thrive, so any lasting treatment has to tackle the moisture as well as the beetle. We diagnose the damp during every survey.
Can you treat woodworm in a listed or period Bristol property?
Yes. We routinely work on period and listed buildings across Clifton and the harbourside, using methods chosen to protect historic fabric. Where timber is old oak we check for death watch beetle rather than assuming furniture beetle, and we work in line with Historic England guidance on damp and decay in older buildings. Listed-building consent may be needed for structural repairs — we advise on this as part of the survey.
How much does woodworm treatment cost in Bristol?
It depends on the area treated and access. As a guide, a single roof space typically starts from around £400+VAT and flooring runs roughly £200–£600+VAT, while a whole terraced house usually falls between £500 and £3,000. Our woodworm treatment cost guide breaks it down room by room, and every job comes with a free survey, a fixed written quote and a 30-year guarantee.

Service area

Woodworm treatment in Bristol & surrounding areas

Our local surveyors cover Bristol and the wider South West England — call us or book online and we will confirm availability for your postcode.

Helpful next steps

Woodworm in your Bristol home? Let's sort it.

Book a free survey across Bristol and the South West. Fixed written quote, damp diagnosed as standard and a 30-year guarantee on treated timber.

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