Somerset · England
Render and insulation in Portishead
Need warmer walls or a new finish in Portishead? We quote external insulation, render and repairs across BS20 and nearby.
- Free survey in BS20 and nearby
- Fixed written price before work starts
- Guide prices online
Free survey in Portishead
Tell us about the property. We reply on working days.
Services
Services in Portishead
External wall insulation
- External wall insulation in Portishead
- EPS insulation in Portishead
- Mineral wool EWI in Portishead
- Wood fibre EWI in Portishead
- Non-traditional houses in Portishead
- Park home insulation in Portishead
- Flats and blocks in Portishead
- Commercial EWI in Portishead
Solid and internal wall insulation
- Solid wall insulation in Portishead
- Internal wall insulation in Portishead
- Survey and quote in Portishead
Render finishes
- Insulated render in Portishead
- Silicone render in Portishead
- Monocouche render in Portishead
- Lime render in Portishead
- Brick slip EWI in Portishead
- Acrylic render in Portishead
Re-rendering, repairs and upkeep
Homes and walls in Portishead
Surveys in Portishead also cover the surrounding BS20 district and towns such as Nailsea and Clevedon. Portishead is about 19 miles from Bath.
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
- BS20
- County or area
- Somerset
- Nation
- England
Approvals in England
For a house in Portishead, 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 |
|---|---|---|
| Park home insulation | From £7,9950% VAT | Single-unit park home |
| Internal wall insulation | From £75 per m²0% VAT | Insulated plasterboard, supplied and skimmed |
| Silicone render | From £66 per m² + scaffoldinc VAT | Silicone render on masonry (with base coat + mesh) |
| Re-rendering | From £90 per m² + scaffoldinc VAT | Strip and re-render (silicone system) |
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
Portishead: questions
Do you cover Portishead?
Yes — we survey and quote in Portishead (BS20) and nearby Nailsea, Clevedon and Kingswood.
How much does external wall insulation cost in Portishead?
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 Portishead?
Before quoting in Portishead, we check whether the property is in a conservation area, under an Article 4 direction or listed, because that decides whether changing the outside needs planning permission.
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.