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Kelso · Scottish Borders

Cavity wall insulation in Kelso

Looking for cavity wall insulation in Kelso? We survey first, name the installer, their scheme registrations and the guarantee on the quote, and only then book the work. Cavity wall insulation fills the gap between the two leaves of a brick or block wall with a certified insulating material, blown in through small holes drilled from outside.

Free survey in Kelso

Covering Kelso and the TD5 district. Tell us about the property and we will arrange a free survey and a fixed price.

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Cavity wall insulation for Kelso properties

We cover Kelso and the TD5 postcode district, including nearby Galashiels and Hawick. It is about 16 miles east of Galashiels.

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

Every elevation is judged on its own exposure. 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 Kelso 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 happens on the day?

Holes of around 22mm are drilled in the mortar joints in a set pattern, roughly a metre apart. The insulation is blown in from the bottom up until each section is full, then every hole is filled with colour-matched mortar. Air bricks and flues are protected, and a cavity barrier is fitted where your wall joins a neighbour's.

What is included in Kelso

  • Drilling, filling and colour-matched making good
  • Building regulations route for your nation, confirmed in writing
  • Certified mineral wool or bonded bead system
  • Cavity barriers at party walls

Guide prices for Kelso

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 Kelso:

  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 wall insulation in Kelso: questions

Is my Kelso 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.

Is the survey free in Kelso?

Yes when it is for an install quote. Standalone reports for Kelso buyers, sellers or landlords who do not need an install quote are priced before you book.

Is there VAT on cavity wall insulation in Kelso?

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

Are there grants for insulation in Kelso?

In Scotland, Home Energy Scotland is the route to the Home Energy Scotland Grant and Loan and Warmer Homes Scotland. We cannot promise funding, but we will point you to the right official route.

Nearby towns

Book a free survey in Kelso

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