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Wiltshire · England

Damp investigation after cavity insulation in Wiltshire

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. Our Wiltshire coverage includes Swindon, Salisbury, Trowbridge and the towns around them.

Moisture meter held against a damp, mould-spotted corner of an external wall indoors

Book a damp investigation in Wiltshire

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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 across Wiltshire

We cover 4 towns in Wiltshire: Swindon, Salisbury, Trowbridge and Chippenham.

Local weather affects which walls can be filled. Wiltshire has a mix of moderate and more exposed sites. Hilltop, coastal and west-facing walls take the brunt of wind-driven rain, so the survey records exposure for each elevation before a material is chosen.

Damp in an insulated Wiltshire home is not always the insulation's fault, so the diagnosis comes before any extraction. Defects such as failed pointing, leaking gutters and bridged damp-proof courses are listed and priced separately for Wiltshire properties, so you can choose who fixes them.

Building Regulations in England

Filling an existing cavity wall is notifiable building work in England. Either a building notice goes to building control before the work, or the installer self-certifies it through a government-approved competent person scheme such as CIGA's CWISC scheme. The insulation used must also be suitable for the wall it goes into, which is why the survey checks construction, condition and exposure first.

Sources: Planning Portal: cavity wall insulation and building regulations; 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

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

Damp investigation after cavity insulation prices in Wiltshire

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.

The steps for a damp investigation in Wiltshire:

  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 Wiltshire: questions

Do you cover all of Wiltshire?

Yes. We cover 4 towns across Wiltshire, including Swindon, Salisbury, Trowbridge and Chippenham, and the villages around them. Island and remote addresses are surveyed by arrangement.

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 Wiltshire?

No. We only come out when you have asked us to. If someone cold-calls offering free insulation, check before you agree to anything.

What will I get from a damp investigation in Wiltshire?

A visit at an agreed price, photos of what we find, and a written summary in plain English. Any follow-on work is priced separately so you can choose who does it.

Damp investigation after cavity insulation in nearby areas

Book a damp investigation in Wiltshire

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