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Highlands and Islands · ZE1

Cavity wall insulation in Lerwick

Survey-first cavity wall insulation in Lerwick: we tell you whether your walls are suitable before anyone drills.

Free survey in Lerwick

Covering Lerwick and the ZE1 district. Tell us about the property and we will arrange a free survey and a fixed price.

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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.

Cavity wall work in Lerwick

Our Highlands and Islands coverage takes in Lerwick (ZE1). Island addresses are surveyed by arrangement.

Wind-driven rain is the first thing the surveyor weighs up. Parts of the Highlands and Islands 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.

As for paperwork, in Lerwick no building warrant is needed for insulation within a wall, but the work must meet the building standards.

Funding in Scotland

In Scotland, Home Energy Scotland is the route to the Home Energy Scotland Grant and Loan and Warmer Homes Scotland.

Sources: Home Energy Scotland; mygov.scot: grants and loans for energy saving improvements.

Guide prices in Lerwick

Cavity wall insulation guide prices
Cavity wall insulation guide pricesGuide price
Detached house£2,295–£3,795
Semi-detached house£1,495–£2,495
End-terrace house£1,295–£2,195
Detached bungalow£1,295–£2,195
Semi-detached bungalow£895–£1,595
Mid-terrace house£795–£1,395

No VAT is charged on installing insulation in homes until 31 March 2027 (then 5%). 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 Lerwick

  1. Send your details

    A minute online, or call the free number.

  2. We check the walls

    Construction, cavity width, debris, damp and wind-driven rain exposure.

  3. You decide

    Plain-English result and a fixed price, with no pressure to book.

  4. Job done properly

    Holes made good, paperwork handed over, guarantee details confirmed.

Last reviewed 19 October 2026.

Cavity wall insulation in Lerwick: questions

Which building regulations route applies in Lerwick?

Lerwick is in Scotland, so no building warrant is needed for insulation within a wall, but the work must meet the building standards. We confirm the route in writing on your quote.

How much does cavity wall insulation cost in Lerwick?

Our guide ranges for cavity wall insulation are shown on this page. The fixed price for your Lerwick property is confirmed in writing after the survey, before any work starts.

Do you cold-call in Lerwick?

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

How soon can you visit in Lerwick?

We arrange dates when you get in touch. Availability varies through the year, so we give you real dates rather than a promise on the website.

Is there VAT on cavity wall insulation in Lerwick?

Installing insulation in a home is currently zero-rated for VAT until 31 March 2027, then 5%. Commercial buildings are standard-rated.

Book a free survey in Lerwick

Free survey with an install quote. Written result. Fixed price before any work.