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Rhondda · Mid Glamorgan

Cavity wall suitability survey in Rhondda

Rhondda properties get a written survey result: suitable, suitable after repairs, or not suitable. A cavity wall survey checks whether your walls can safely be filled and with what.

Book a survey in Rhondda

Covering Rhondda and the CF43 district. Free with an install quote; standalone reports are priced before you book.

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Cavity wall suitability survey for Rhondda properties

Rhondda sits in Mid Glamorgan, around 12 miles north-east of Bridgend. We work across the CF43 district, including nearby Tonypandy, Aberdare and Pontypridd.

The written result for your Rhondda property is plain English: what we found, what it means and what, if anything, to do next. Where a Rhondda wall shows cold patches or damp, the survey targets those areas first rather than sampling at random.

Local weather affects which walls can be filled. 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.

In terms of approvals, in Rhondda 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 Rhondda

  • Photo-backed written result
  • Cavity width and debris check
  • Exposure assessment by elevation
  • Repairs list where needed

Guide prices for Rhondda

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.

How it works in Rhondda:

  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 Rhondda: questions

Do you cover Rhondda?

Yes. Rhondda and the CF43 postcode district are within our Mid Glamorgan coverage, along with nearby Tonypandy and Aberdare.

Is my Rhondda home too exposed for cavity insulation?

Parts of Mid Glamorgan get some of the heaviest wind-driven rain in the UK, so the survey is stricter and some walls are better left unfilled. The survey records the exposure of each wall before recommending a material, or recommending against filling.

How soon can you visit in Rhondda?

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.

Is the survey free in Rhondda?

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

Nearby towns

Book a survey in Rhondda

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