External wall insulation in Argyll and Bute
We provide external wall insulation across Argyll and Bute, from Dunoon and Helensburgh to smaller towns and villages, with a free survey and a fixed written price for every home.
Homes across Argyll and Bute
Stone-built houses, island and coastal homes with high exposure to wind-driven rain, and part of Loch Lomond and the Trossachs National Park.
Parts of Argyll and Bute see high levels of wind-driven rain, so render specification and the details at sills and the roofline get extra attention.
Services in Argyll and Bute
- EWI installation
- EPS insulated render
- Mineral wool EWI
- Phenolic EWI
- Wood fibre EWI
- Brick slip EWI
- Insulated cladding
- Insulating lime render
- Silicone render finish
- Mineral & silicate render
- Pebbledash & dry dash EWI
- Solid wall insulation
- Non-traditional houses
- Bungalow EWI
- Terraced house EWI
- Semi-detached EWI
- Detached house EWI
- Park home insulation
- Flats & low-rise blocks
- Social housing EWI
- EWI for landlords
- EWI repairs
- Failed EWI remediation
- EWI surveys
Towns we cover in Argyll and Bute
The rules in Scotland
- Planning
- Changes to the external appearance of a house can need planning permission in Scotland, and flats, listed buildings and conservation areas always need checking with the council before EWI is ordered.
- Building regulations
- An external wall insulation cladding system on a house normally needs a building warrant under the Building (Scotland) Regulations; only minor like-for-like repairs to an existing system are exempt. Section 6 of the technical handbooks sets the energy standards.
- Fire safety
- Under section 2.7 of the domestic technical handbook, cladding on a building with any storey more than 11m above ground should be European Classification A1 or A2. Below that height, combustible cladding may be used more than 1m from a boundary, with tighter rules closer to it.
- Funding
- Home Energy Scotland Grant and Loan offers up to £7,500 grant plus a £2,500 interest-free loan for solid wall insulation, with a rural and island uplift. You need a valid EPC recommending the measure, a TrustMark-registered installer, and a written offer before work starts. Warmer Homes Scotland helps eligible low-income households through its own installers. Our quotes are for privately funded work unless we confirm in writing that we can carry out a funded job. Grants guide
- VAT
- Installing insulation in a home is zero-rated for VAT until 31 March 2027, then 5%.
Checked October 2026. Rules change, so we confirm them for your address at survey.
External wall insulation in Argyll and Bute: questions
How much does external wall insulation cost in Argyll and Bute?
Guide prices run from about £109 to £175 per square metre for the system and finish, plus scaffolding. For an average home that's about £8,595–£11,695 for a mid-terrace, £13,995–£19,195 for a three-bed semi and £20,495–£28,095 for a four-bed detached house, with VAT at 0% on homes.
How long does external wall insulation take?
It depends on the size of the house and the weather: bungalows usually take one to two weeks on site, terraces two to three, semis three to four and detached houses four to six. Blocks of flats take longer.
Can I stay at home during the work?
Yes. All the work is outside, so you can live at home as normal while the scaffolding is up.
What finishes can I choose?
Silicone or mineral render in many colours, pebbledash, brick slips or cladding, alone or combined.