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Somerset · England

Render and insulation in Bath

Need warmer walls or a new finish in Bath? We quote external insulation, render and repairs across BA1 and nearby.

  • Free survey in BA1 and nearby
  • Fixed written price before work starts
  • Guide prices online

Free survey in Bath

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Homes and walls in Bath

We cover Bath and nearby Trowbridge, Kingswood and Mangotsfield.

The South West has many stone and solid-walled cottages, exposed coastal properties and a share of post-war system-built houses, including types such as the Cornish Unit.

Exposure to wind-driven rain varies across Somerset: sheltered town streets fare better than walls on high ground or facing the prevailing weather, and the render, beads and cill details are chosen with that in mind.

Postcode district
BA1
County or area
Somerset
Nation
England

Approvals in England

Planning in Bath follows England's national rules: similar-looking finishes on houses are usually permitted, while flats, commercial premises, conservation areas and streets under an Article 4 direction need an application.

Insulating or re-rendering more than half of a wall's area brings in Part L of the Building Regulations, so building control is notified and the wall is upgraded to about 0.30 W/m²K where practical.

Typical jobs and guide prices

ItemGuide priceNotes
Internal wall insulationFrom £75 per m²0% VATInsulated plasterboard, supplied and skimmed
Re-renderingFrom £90 per m² + scaffoldinc VATStrip and re-render (silicone system)
Render cleaning and treatmentFrom £10 per m²inc VATSoft wash and biocide
External wall insulationFrom £105 per m² + scaffold0% VATEPS system with silicone render

Insulation prices for homes are totals (0% VAT until 31 March 2027); render and repair prices include VAT at 20%. Confirmed in writing after a free survey. Full price guide

Nearby towns

Bath: questions

Do you cover Bath?

Yes — we survey and quote in Bath (BA1) and nearby Trowbridge, Kingswood and Mangotsfield.

How much does external wall insulation cost in Bath?

Our guide is £105–£170 per m² depending on the system, plus scaffolding — roughly £10,200–£17,700 for a typical three-bed semi with EPS and silicone render. Installing insulation in a home is zero-rated for VAT until 31 March 2027, so that's the total. A free survey fixes the price.

Do I need planning permission in Bath?

Planning in Bath follows England's national rules: similar-looking finishes on houses are usually permitted, while flats, commercial premises, conservation areas and streets under an Article 4 direction need an application.

Is VAT charged on wall insulation?

Installing wall insulation in homes is zero-rated until 31 March 2027, then 5%, so our insulation prices are totals. Render-only work and repairs carry VAT at 20%, and our prices for them include it.

Free survey, fixed written price

Tell us about the walls and we will arrange a survey. No obligation, no work until the price is agreed in writing.

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