West Sussex · England
Render and insulation in Horsham
External wall insulation, render and repairs in Horsham, with a free survey and a fixed written price before any work starts.
- Free survey in RH12 and nearby
- Fixed written price before work starts
- Guide prices online
Free survey in Horsham
Tell us about the property. We reply on working days.
Services
Services in Horsham
External wall insulation
- External wall insulation in Horsham
- EPS insulation in Horsham
- Mineral wool EWI in Horsham
- Wood fibre EWI in Horsham
- Non-traditional houses in Horsham
- Park home insulation in Horsham
- Flats and blocks in Horsham
- Commercial EWI in Horsham
Solid and internal wall insulation
Render finishes
- Insulated render in Horsham
- Silicone render in Horsham
- Monocouche render in Horsham
- Lime render in Horsham
- Brick slip EWI in Horsham
- Acrylic render in Horsham
Re-rendering, repairs and upkeep
Homes and walls in Horsham
Surveys in Horsham also cover the surrounding RH12 district and towns such as Crawley and Horley. Horsham sits around 7 miles from Crawley.
Homes across the South East range from inter-war semis and post-war estates, which are mostly cavity-walled, to older solid-walled cottages and Victorian town terraces.
Exposure to wind-driven rain varies across West Sussex: 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
- RH12
- County or area
- West Sussex
- Nation
- England
Approvals in England
For a house in Horsham, external insulation or render is often permitted development if it looks similar to the existing walls; conservation areas, flats, commercial buildings and listed buildings need permission or consent, so we check your address first.
Building control applies once more than half of a wall is insulated or re-rendered, or more than a quarter of the whole building envelope, and your written quote says how that's handled.
Typical jobs and guide prices
| Item | Guide price | Notes |
|---|---|---|
| Render cleaning and treatment | From £10 per m²inc VAT | Soft wash and biocide |
| Internal wall insulation | From £75 per m²0% VAT | Insulated plasterboard, supplied and skimmed |
| Brick slip finish over insulation | From £185 per m² + scaffold0% VAT | Brick slip EWI |
| Park home insulation | From £7,9950% VAT | Single-unit park home |
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
Horsham: questions
Do you cover Horsham?
Yes — we survey and quote in Horsham (RH12) and nearby Crawley, Horley and Haywards Heath.
How much does external wall insulation cost in Horsham?
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 Horsham?
For a house in Horsham, external insulation or render is often permitted development if it looks similar to the existing walls; conservation areas, flats, commercial buildings and listed buildings need permission or consent, so we check your address first.
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.