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Limavady · County Londonderry

Damp investigation after cavity insulation in Limavady

Need a damp investigation in Limavady? You get the price first, then a visit, then the findings in plain English. 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 Limavady

Covering Limavady and the BT49 district. Tell us about the property. We confirm the price before you book.

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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 for Limavady properties

Limavady sits in County Londonderry, roughly 14 miles east of Derry. We work across the BT49 district, including nearby Coleraine, Derry and Magherafelt.

If your Limavady installation has a guarantee, we check it first; the guarantee route may cover the work. We never cold-call in Limavady or anywhere else, and we do not work with doorstep claims companies.

Before any material is chosen, exposure is checked. Parts of County Londonderry 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 Limavady, inserting cavity wall insulation needs a building control application to the council before work starts.

Rules in Northern Ireland

Inserting cavity wall insulation needs a building control application to the council before work starts if insulation work follows.

Sources: Building Control NI: frequently asked questions; Belfast City Council: what are the building regulations.

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 Limavady

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

Guide prices for Limavady

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.

How it works in Limavady:

  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 Limavady: questions

Do you cover Limavady?

Yes. Limavady and the BT49 postcode district are within our County Londonderry coverage, along with nearby Coleraine and Derry.

Is there VAT on a damp investigation in Limavady?

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 Limavady?

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

What will I get from a damp investigation in Limavady?

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.

Nearby towns

Book a damp investigation in Limavady

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