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Galashiels · Scottish Borders

Cavity insulation for new builds and extensions in Galashiels

Cavity insulation for new builds and extensions in Galashiels 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 Galashiels

Covering Galashiels and the TD1 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 Galashiels properties

We cover Galashiels and the TD1 postcode district, including nearby Peebles, Kelso and Hawick. Galashiels is one of the main towns we cover in the Scottish Borders.

Galashiels properties with rendered or painted walls get a closer look at the outer finish, because cracked render can let rain behind it. If a wall in Galashiels 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. 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 Galashiels 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.

Extensions that join an older house

Where an extension meets an existing cavity wall, the junction is a weak point. We can borescope and fill the existing wall at the same time so the old and new walls perform together.

What is included in Galashiels

  • Trays, closers and stop ends as drawn
  • Coordination with your bricklayers
  • Photo record for building control
  • Clean-cavity working

Guide prices for Galashiels

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 Galashiels:

  1. Tell us about the property

    Postcode, property type and what you need.

  2. Free survey

    Walls, cavity, condition and exposure checked and photographed.

  3. Written result and price

    Suitable, suitable after repairs, or not suitable, with a fixed price.

  4. Work and paperwork

    Installation, making good, and the regulations and guarantee paperwork.

Last reviewed 19 October 2026.

Cavity insulation for new builds and extensions in Galashiels: questions

Which building regulations route applies in Galashiels?

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

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 work on rented homes in Galashiels?

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

How soon can you visit in Galashiels?

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.

Nearby towns

Book a free survey in Galashiels

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