Internal wall insulation · Berkshire
Internal wall insulation in Thatcham
We quote internal wall insulation for homes in Thatcham (RG18) and nearby Newbury and Basingstoke, with guide prices online and a free survey to fix the price. For terraced homes in Thatcham with attractive brick fronts, one approach is to insulate the front internally and the rear externally.
- Free survey in RG18 and nearby
- Guide price from £75 per m² 0% VAT
- Fixed written price before work starts
Free survey in Thatcham
Postcode, service and a phone number is all we need.
What the job covers
- Loses roughly 50–100mm per insulated wall
- Insulated plasterboard, stud wall or breathable systems
- Keeps the outside of the house exactly as it is
- Can be done one room at a time during a renovation
What we look for in Thatcham
Surveys in Thatcham also cover the surrounding RG18 district and towns such as Newbury and Basingstoke. Thatcham is about 13 miles from Reading. 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.
Much of Berkshire sits in the lower wind-driven rain exposure bands, which keeps the choice of finishes wide — though hilltop, coastal and exposed gable walls can still need a tougher specification, so we check the actual site.
Where a property in Thatcham is in a conservation area or the front elevation must stay unchanged, internal insulation is often the practical route.
- Postcode district
- RG18
- County or area
- Berkshire
- Nation
- England
- Nearby
- Newbury, Basingstoke, Reading, Didcot
Approvals in England
Internal insulation rarely needs planning permission, but in England and Wales insulating or replastering more than half of a wall's area involves building control, and listed buildings need consent for internal changes that affect their character.
What are the risks with internal insulation?
Insulating inside makes the masonry colder, so moisture risk rises. Weak points are where floor joists bear into the wall, window reveals and corners. A condensation risk check for the build-up, a continuous vapour control layer where specified, and returning insulation into reveals deal with most of it.
Internal wall insulation prices in Thatcham
| Item | Guide price | Notes |
|---|---|---|
| Insulated plasterboard, supplied and skimmed | £75–£110 per m²0% VAT | |
| Insulated stud wall | £90–£130 per m²0% VAT | |
| Typical bedroom, one external wall | £1,795–£2,9950% VAT | Including making good |
Confirmed by a fixed written quote after survey. 0% VAT: installing insulation in a home is zero-rated until 31 March 2027, so these figures are the total; 5% applies from 1 April 2027.
From enquiry to finished wall
Tell us about the property
Use the quote tool or form, or call. Photos help.
Free survey
We measure, check the walls and confirm approvals.
Fixed written quote
System, details, access, exclusions and VAT in writing.
Installation
Scheduled for suitable weather, with a clear programme.
Internal wall insulation in Thatcham: questions
What happens to my radiators and sockets?
They're taken off and refitted on the new wall face. Electrical work is done by a qualified electrician.
How much room space will I lose?
Usually 50–100mm on each insulated wall, depending on the system.
Can I stay in the house?
Yes, but each room is out of use while it's worked on, typically 3–5 days.
Do you cover Thatcham?
Yes — we survey and quote internal wall insulation in Thatcham (RG18) and nearby Newbury, Basingstoke and Reading, with a fixed written price before any work starts.