Internal wall insulation · Greater London
Internal wall insulation in Ruislip
Internal wall insulation in Ruislip: free survey, written specification and a fixed price, with the details that keep walls dry planned from the start. We plan internal insulation in Ruislip homes room by room so you keep the rest of the house usable.
- Free survey in HA4 and nearby
- Guide price from £75 per m² 0% VAT
- Fixed written price before work starts
Free survey in Ruislip
Postcode, service and a phone number is all we need.
Included as standard
- Keeps the outside of the house exactly as it is
- Needs careful detailing at floor joists, reveals and corners
- Sockets, radiators, skirting and coving are moved and refitted
- Insulated plasterboard, stud wall or breathable systems
What we look for in Ruislip
As well as Ruislip itself, we quote in Northolt, Uxbridge and Harrow. London's housing includes a large stock of Victorian and Edwardian solid-wall terraces, inter-war semis and post-war blocks, and conservation areas cover many streets — so planning is often the first question for external work.
Much of Greater London 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.
For terraced homes in Ruislip with attractive brick fronts, one approach is to insulate the front internally and the rear externally.
- Postcode district
- HA4
- County or area
- Greater London
- Nation
- England
- Nearby
- Northolt, Uxbridge, Harrow, Hayes
Permissions in England
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 options for internal insulation?
- Insulated plasterboard — PIR or phenolic foam bonded to plasterboard, fixed to the wall and skimmed. Thinnest option.
- Insulated stud wall — a timber or metal frame filled with insulation, with a vapour control layer and plasterboard. Takes more space but runs services easily.
- Wood fibre and lime — breathable boards finished in lime plaster, for older walls that need to manage moisture.
Internal wall insulation prices in Ruislip
| 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 Ruislip: questions
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.
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.
Do you cover Ruislip?
Yes — we survey and quote internal wall insulation in Ruislip (HA4) and nearby Northolt, Uxbridge and Harrow, with a fixed written price before any work starts.