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Caernarfon · Gwynedd

Borescope cavity inspection in Caernarfon

Borescope cavity inspection in Caernarfon is priced before you book, and what we find is written up with photos. A borescope inspection pushes a small camera through a hole about the size of a pencil into the cavity to see whether it is empty, partly filled or filled, what the fill is and whether there is debris.

Book a borescope inspection in Caernarfon

Covering Caernarfon and the LL55 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.

Borescope cavity inspection for Caernarfon properties

If your property is in Caernarfon or the LL55 district or nearby Bangor, Porthmadog and Holyhead, it is within our Gwynedd coverage. It is about 6 miles south-west of Bangor.

Every inspection point in Caernarfon is photographed and logged, so you have a record to show a buyer, lender or contractor. A survey in Caernarfon gives you facts before anyone drills: what the wall is, what is in the cavity and whether it is sound.

Exposure matters for every cavity wall. Parts of Gwynedd 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 compliance, if cavity wall insulation follows in Caernarfon, 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.

When a borescope check helps

Before filling, to confirm the cavity is empty and clean. Before buying a house, to see if the EPC's claim of 'filled cavity' is true. When damp has appeared and you need to know whether the fill is wet or bridged. Before a top-up, to map which panels are empty.

What is included in Caernarfon

  • Photos of each point
  • Fill type and condition noted
  • Written summary
  • Holes made good

Guide prices for Caernarfon

Borescope cavity inspection guide prices
Borescope cavity inspection guide pricesGuide price
Borescope inspection, house£145–£245
Borescope inspection, block or large building£295–£595

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 Caernarfon:

  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.

Borescope cavity inspection in Caernarfon: questions

Do you cold-call in Caernarfon?

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

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.

How much does a borescope inspection cost in Caernarfon?

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

Do you work on rented homes in Caernarfon?

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

Nearby towns

Book a borescope inspection in Caernarfon

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