0800 088 6248
CavityWallInsulationUKCAVITYWALLINSULATIONUK.CO.UK
Cavity wall insulationCavity wall suitability surveyCavity wall insulation removalCavity insulation top-upDamp investigation after cavity insulationBonded polystyrene bead insulationBlown mineral wool insulationParty wall cavity insulationBorescope cavity inspectionCavity wall insulation for landlordsGrant and funding checkLoft insulation
Welshpool · Powys

Damp investigation after cavity insulation in Welshpool

Damp investigation after cavity insulation in Welshpool is priced before you book, and what we find is written up with photos. A damp investigation finds out why an insulated wall is showing damp or mould: rain getting in through defects, bridged or wet fill, debris in the cavity, a breached damp-proof course, or condensation.

Book a damp investigation in Welshpool

Covering Welshpool and the SY21 district. Tell us about the property. We confirm the price before you book.

Enter a UK postcode.
Choose a service.
Enter your name.
Enter a phone number with at least 10 digits.
Enter a valid email address.

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.

Damp investigation after cavity insulation for Welshpool properties

We cover Welshpool and the SY21 postcode district, including nearby Newtown and Llandrindod Wells. It is about 11 miles north-east of Newtown.

Where a Welshpool wall does need work, bricks are lifted and rebuilt in matching mortar, and the cavity is checked with a camera before it is closed up. Defects such as failed pointing, leaking gutters and bridged damp-proof courses are listed and priced separately for Welshpool properties, so you can choose who fixes them.

Exposure matters for every cavity wall. 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.

On the rules side, if cavity wall insulation follows 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 you get

Moisture readings, borescope photos at the affected areas, an explanation of the likely cause and the options, from simple repairs to partial or full extraction, each priced.

What is included in Welshpool

  • Moisture mapping inside
  • Cause and options in writing
  • Borescope at affected areas
  • External defects check

Guide prices for Welshpool

Damp investigation after cavity insulation guide prices
Damp investigation after cavity insulation guide pricesGuide price
Damp investigation with borescope£295–£495

This work is not insulation, so it is normally standard-rated for VAT. Guide prices include VAT where it applies. 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 what is happening

    Postcode, property type and what you have noticed.

  2. Price agreed first

    We confirm the price before anyone visits.

  3. Visit and checks

    Photos and readings at the areas that matter.

  4. Findings in writing

    What we found and the options, each priced separately.

Last reviewed 19 October 2026.

Damp investigation after cavity insulation in Welshpool: questions

Do you work on rented homes in Welshpool?

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

Will you tell me if I do not need any work?

Yes. If the findings show nothing needs doing, or a cheaper fix such as clearing a gutter will do, we say so.

Do you cold-call in Welshpool?

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 there VAT on a damp investigation in Welshpool?

Damp investigation after cavity insulation is not insulation, so it is normally charged at the standard rate of VAT. The VAT treatment is confirmed on your quote.

Nearby towns

Book a damp investigation in Welshpool

Priced before you book. Findings in writing. No cold calls.