Internal wall insulation · Wiltshire
Internal wall insulation in Salisbury
Quotes for internal wall insulation in Salisbury list the system, the detailing and the VAT position in writing, so you know exactly what's included. Where a property in Salisbury is in a conservation area or the front elevation must stay unchanged, internal insulation is often the practical route.
- Free survey in SP1 and nearby
- Guide price from £75 per m² 0% VAT
- Fixed written price before work starts
Free survey in Salisbury
Postcode, service and a phone number is all we need.
Part of every quote
- Sockets, radiators, skirting and coving are moved and refitted
- Needs careful detailing at floor joists, reveals and corners
- Can be done one room at a time during a renovation
- Keeps the outside of the house exactly as it is
What we look for in Salisbury
As well as Salisbury itself, we quote in Andover, Totton and Southampton. Salisbury sits around 34 miles from Swindon. 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 Wiltshire: 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.
We plan internal insulation in Salisbury homes room by room so you keep the rest of the house usable.
- Postcode district
- SP1
- County or area
- Wiltshire
- Nation
- England
- Nearby
- Andover, Totton, Southampton, Eastleigh
England: planning and regulations
Planning isn't usually involved with internal insulation. Building control is, once more than half of a wall is treated, and listed buildings need listed building consent.
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 Salisbury
| 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
Enquiry
Send your postcode and a few details.
Measured survey
Walls, damp, eaves, cills and services recorded.
Written price
A fixed price with the specification attached.
Work and handover
Installed, inspected and documents handed over.
Internal wall insulation in Salisbury: questions
How much room space will I lose?
Usually 50–100mm on each insulated wall, depending on the system.
Is internal insulation cheaper than external?
Per m² usually yes, but the cost of moving fittings and redecorating narrows the gap on whole-house jobs.
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 Salisbury?
Yes — we survey and quote internal wall insulation in Salisbury (SP1) and nearby Andover, Totton and Southampton, with a fixed written price before any work starts.