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Bath · Somerset

Cavity wall insulation for flats in Bath

For homes and buildings in Bath, cavity wall insulation for flats is arranged survey-first: we check the property, tell you plainly what we found, and price it. Flats share their outer walls, so cavity wall insulation is normally done for the whole block at once with the freeholder's agreement.

Free survey in Bath

Covering Bath and the BA1 district. Tell us about the property and we will arrange a free survey and a fixed price.

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We use your details only to answer this enquiry and arrange your visit, sharing them only with the registered installer we appoint for your job and the providers named in our privacy notice. No marketing lists, no cold calls.

Cavity wall insulation for flats for Bath properties

Bath sits in Somerset, about 40 miles north-east of Taunton. We work across the BA1 district, including nearby Frome, Nailsea and Portishead.

Per-address photo records for Bath properties make compliance files and EPC updates straightforward. For commercial buildings in Bath, the survey also considers building use and fire requirements before a material is specified.

Wind-driven rain is the first thing the surveyor weighs up. Somerset has a mix of moderate and more exposed sites. Hilltop, coastal and west-facing walls take the brunt of wind-driven rain, so the survey records exposure for each elevation before a material is chosen.

As for paperwork, in Bath filling a cavity is notifiable building work and needs a building notice or competent-person self-certification.

Funding in England

In England, ECO4 runs to 31 December 2026 and Warm Homes: Local Grant supports low-income households through councils.

Sources: GOV.UK: extending the ECO4 end date, government response; GOV.UK: Warm Homes Plan.

Fire and height

For blocks, the material must suit the building's height and use. Non-combustible mineral wool is the usual choice; we confirm the system and its certificate limits in writing.

What is included in Bath

  • Freeholder and agent coordination
  • Per-flat pricing
  • Leaseholder information sheet
  • Block survey

Guide prices for Bath

Cavity wall insulation for flats guide prices
Cavity wall insulation for flats guide pricesGuide price
Per flat, whole-block fill (low-rise)£495–£995

No VAT is charged on installing insulation in homes until 31 March 2027 (then 5%). Guide ranges only: the fixed price is confirmed in writing before any work starts, and anything that could not be seen at survey is agreed with you first.

What happens next for a Bath property:

  1. Get in touch

    Online, by phone or WhatsApp, whichever suits you.

  2. Survey visit

    The surveyor checks each wall and looks into the cavity where needed.

  3. Your result in writing

    What we found, what it means, and a fixed price if work is needed.

  4. Booked work

    Carried out by the installer named on your quote, with their scheme registrations.

Last reviewed 19 October 2026.

Cavity wall insulation for flats in Bath: questions

Do you cold-call in Bath?

No. We only come out when you have asked us to. If someone cold-calls offering free insulation, check before you agree to anything.

Is my Bath home too exposed for cavity insulation?

Somerset has a mix of moderate and more exposed sites, so each wall is judged on its own. The survey records the exposure of each wall before recommending a material, or recommending against filling.

How soon can you visit in Bath?

We arrange dates when you get in touch. Availability varies through the year, so we give you real dates rather than a promise on the website.

Which building regulations route applies in Bath?

Bath is in England, so filling a cavity is notifiable building work and needs a building notice or competent-person self-certification. We confirm the route in writing on your quote.

Nearby towns

Book a free survey in Bath

Free survey with an install quote. Written result. Fixed price before any work.