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Wishaw · Lanarkshire

Cavity insulation for new builds and extensions in Wishaw

Cavity insulation for new builds and extensions in Wishaw starts with a free survey of the property, then a written result and a fixed price before any work is booked. For new walls the cavity is insulated as it is built, using full-fill mineral wool batts or partial-fill boards fixed to the inner leaf.

Free survey in Wishaw

Covering Wishaw and the ML2 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 insulation for new builds and extensions for Wishaw properties

We cover Wishaw and the ML2 postcode district, including nearby Motherwell, Hamilton and Airdrie. It is roughly 4 miles east of Hamilton.

For semi-detached and terraced homes in Wishaw, cavity barriers are fitted where your wall meets your neighbour's so the fill stays on your side. If a wall in Wishaw is not suitable, for example because of an undiagnosed damp patch or a very exposed gable, you are told so in writing with the reason.

Before any material is chosen, exposure is checked. Parts of Lanarkshire 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 the rules side, in Wishaw 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.

What we work from

Your architect's or designer's specification and the energy calculation for the job. We match the product, thickness and fixing to that spec, keep cavities clean as the walls rise, and fit cavity trays, closers and stop ends where shown so the building control inspection goes smoothly.

What is included in Wishaw

  • Trays, closers and stop ends as drawn
  • Clean-cavity working
  • Coordination with your bricklayers
  • Batts or boards to the specified U-value

Guide prices for Wishaw

Cavity insulation for new builds and extensions guide prices
Cavity insulation for new builds and extensions guide pricesGuide price
Full-fill batts supplied and fitted, per m²£9–£16
Partial-fill boards supplied and fitted, per m²£14–£26

Prices are shown before any VAT; the VAT treatment for new-build work is confirmed on your quote. 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.

From enquiry to finish in Wishaw:

  1. Get in touch

    Online, by phone or WhatsApp, whichever suits you.

  2. Survey visit

    The surveyor checks each wall and looks into the cavity where needed.

  3. Your result in writing

    What we found, what it means, and a fixed price if work is needed.

  4. Booked work

    Carried out by the installer named on your quote, with their scheme registrations.

Last reviewed 19 October 2026.

Cavity insulation for new builds and extensions in Wishaw: questions

Which building regulations route applies in Wishaw?

Wishaw 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.

Do you cover Wishaw?

Yes. Wishaw and the ML2 postcode district are within our Lanarkshire coverage, along with nearby Motherwell and Hamilton.

Is my Wishaw home too exposed for cavity insulation?

Parts of Lanarkshire get some of the heaviest wind-driven rain in the UK, so the survey is stricter and some walls are better left unfilled. The survey records the exposure of each wall before recommending a material, or recommending against filling.

Do you cold-call in Wishaw?

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

Nearby towns

Book a free survey in Wishaw

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