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Maesteg · Mid Glamorgan

Cavity wall insulation for flats in Maesteg

Cavity wall insulation for flats in Maesteg starts with a free survey of the property, then a written result and a fixed price before any work is booked. 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 Maesteg

Covering Maesteg and the CF34 district. Tell us about the property and we will arrange a free survey and a fixed price.

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Cavity wall insulation for flats for Maesteg properties

We cover Maesteg and the CF34 postcode district, including nearby Bridgend, Tonypandy and Rhondda. It is roughly 8 miles north-west of Bridgend.

Per-address photo records for Maesteg properties make compliance files and EPC updates straightforward. Blocks of flats in Maesteg are surveyed as a whole, because the cavity runs across every flat in the building.

Exposure matters for every cavity wall. Parts of Mid Glamorgan face some of the heaviest wind-driven rain in the UK, especially exposed coastal and upland sites. Here the survey is stricter: some walls suit only certain certified systems, and some should not be filled at all.

As for paperwork, in Maesteg filling a cavity is notifiable work under the Building Regulations as they apply in Wales, usually self-certified through a competent person scheme.

Funding in Wales

In Wales, Warm Homes Nest offers free improvements to eligible low-income households, and ECO4 runs to 31 December 2026.

Sources: Welsh Government: warmer and more energy efficient homes (July 2026); GOV.UK: extending the ECO4 end date, government response.

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 Maesteg

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

Guide prices for Maesteg

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.

How it works in Maesteg:

  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 Maesteg: questions

How much does cavity wall insulation for flats cost in Maesteg?

Our guide ranges for cavity wall insulation for flats are shown on this page. The fixed price for your Maesteg property is confirmed in writing after the survey, before any work starts.

How soon can you visit in Maesteg?

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 Maesteg?

Maesteg is in Wales, so filling a cavity is notifiable work under the Building Regulations as they apply in Wales, usually self-certified through a competent person scheme. We confirm the route in writing on your quote.

Is there VAT on cavity wall insulation for flats in Maesteg?

Installing insulation in a home is currently zero-rated for VAT until 31 March 2027, then 5%. Commercial buildings are standard-rated.

Nearby towns

Book a free survey in Maesteg

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