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Welshpool · Powys

Cavity wall suitability survey in Welshpool

A cavity wall survey checks whether your walls can safely be filled and with what. In Welshpool and the SY21 district the survey is free with an install quote, and you get the result in writing either way.

Book a survey in Welshpool

Covering Welshpool and the SY21 district. Free with an install quote; standalone reports are priced before you book.

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Cavity wall suitability survey for Welshpool properties

Welshpool sits in Powys, around 11 miles north-east of Newtown. We work across the SY21 district, including nearby Newtown and Llandrindod Wells.

Every inspection point in Welshpool is photographed and logged, so you have a record to show a buyer, lender or contractor. Where a Welshpool wall shows cold patches or damp, the survey targets those areas first rather than sampling at random.

Every elevation is judged on its own exposure. Parts of Powys 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.

In terms of approvals, in Welshpool filling a cavity is notifiable work under the Building Regulations as they apply in Wales, usually self-certified through a competent person scheme.

Rules in Wales

Filling a cavity is notifiable work under the Building Regulations as they apply in Wales, usually self-certified through a competent person scheme if insulation work follows.

Sources: Welsh Government: building work competent person schemes; CIGA: CWISC competent person scheme.

What the surveyor checks

Wall construction and thickness at window reveals; cavity width and debris with a borescope; brickwork, pointing, render, sills, gutters and downpipes; signs of damp inside and out; air bricks and flues; joins with neighbours and extensions; and the exposure of each elevation to wind-driven rain.

What is included in Welshpool

  • Repairs list where needed
  • Exposure assessment by elevation
  • Fixed install price where suitable
  • Cavity width and debris check

Guide prices for Welshpool

Cavity wall suitability survey guide prices
Cavity wall suitability survey guide pricesGuide price
Suitability survey with an install quoteFree
Standalone survey report (no install quote)£145–£245

The survey is free with an install quote. A standalone report is not insulation, so it is normally standard-rated for VAT; guide prices include VAT. 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 Welshpool property:

  1. Tell us about the property

    Postcode, property type and why you need the survey.

  2. Survey visit

    Walls, cavity, condition and exposure checked and photographed.

  3. Written result

    Suitable, suitable after repairs, or not suitable.

  4. Fixed price if you want work

    The survey is free when it is for an install quote.

Last reviewed 19 October 2026.

Cavity wall suitability survey in Welshpool: questions

Do you cover Welshpool?

Yes. Welshpool and the SY21 postcode district are within our Powys coverage, along with nearby Newtown and Llandrindod Wells.

Do you work on rented homes in Welshpool?

Yes. Landlords and agents in Welshpool can book batch visits, and work is arranged around tenants.

Which building regulations route applies in Welshpool?

Welshpool 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 the survey free in Welshpool?

Yes when it is for an install quote. Standalone reports for Welshpool buyers, sellers or landlords who do not need an install quote are priced before you book.

Nearby towns

Book a survey in Welshpool

Free with an install quote. Written result for every wall.