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Hawick · Scottish Borders

Cavity insulation for new builds and extensions in Hawick

From the first survey to the paperwork, cavity insulation for new builds and extensions in Hawick is handled by one team and one contract. 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 Hawick

Covering Hawick and the TD9 district. Tell us about the property and we will arrange a free survey and a fixed price.

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Cavity insulation for new builds and extensions for Hawick properties

If your property is in Hawick or the TD9 district or nearby Galashiels, Kelso and Peebles, it is within our Scottish Borders coverage. It is about 16 miles south of Galashiels.

For semi-detached and terraced homes in Hawick, cavity barriers are fitted where your wall meets your neighbour's so the fill stays on your side. Where a Hawick property has an extension or a conservatory, we check how the old and new walls meet, because that junction is often missed.

Before any material is chosen, exposure is checked. The Scottish Borders 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.

On the rules side, in Hawick 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 Hawick

  • Batts or boards to the specified U-value
  • Trays, closers and stop ends as drawn
  • Coordination with your bricklayers
  • Photo record for building control

Guide prices for Hawick

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.

How it works in Hawick:

  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 Hawick: questions

Is there VAT on cavity insulation for new builds and extensions in Hawick?

Building a new home is usually zero-rated when supplied by the builder; supply-only materials are standard-rated. The VAT treatment is confirmed on your quote.

Do you cover Hawick?

Yes. Hawick and the TD9 postcode district are within our Scottish Borders coverage, along with nearby Galashiels and Kelso.

Which building regulations route applies in Hawick?

Hawick 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.

Is my Hawick home too exposed for cavity insulation?

The Scottish Borders has a mix of moderate and more exposed sites, so each wall is judged on its own. The survey records the exposure of each wall before recommending a material, or recommending against filling.

Nearby towns

Book a free survey in Hawick

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