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Newtown · Powys

Damp investigation after cavity insulation in Newtown

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. We cover Newtown and the wider SY16 postcode district, and the price is confirmed before anyone visits.

Book a damp investigation in Newtown

Covering Newtown and the SY16 district. Tell us about the property. We confirm the price before you book.

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Damp investigation after cavity insulation for Newtown properties

Our Powys coverage takes in Newtown (SY16) and nearby Welshpool and Llandrindod Wells. Newtown is one of the main towns we cover in Powys.

We never cold-call in Newtown or anywhere else, and we do not work with doorstep claims companies. Damp in an insulated Newtown home is not always the insulation's fault, so the diagnosis comes before any extraction.

Wind-driven rain is the first thing the surveyor weighs up. 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.

For regulations, if cavity wall insulation follows in Newtown, 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 Newtown

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

Guide prices for Newtown

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 Newtown property:

  1. Get in touch

    Online, by phone or WhatsApp.

  2. Your price

    Confirmed in writing before you book.

  3. The visit

    Carried out at an agreed time, with photos of what we find.

  4. Your report

    Plain English, with any follow-on work quoted separately.

Last reviewed 19 October 2026.

Damp investigation after cavity insulation in Newtown: questions

How much does a damp investigation cost in Newtown?

Guide prices are shown on this page, and the price for your Newtown property is confirmed before you book.

Do you cover Newtown?

Yes. Newtown and the SY16 postcode district are within our Powys coverage, along with nearby Welshpool and Llandrindod Wells.

Is there VAT on a damp investigation in Newtown?

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.

Do you work on rented homes in Newtown?

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

Nearby towns

Book a damp investigation in Newtown

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