Internal wall insulation · South Yorkshire
Internal wall insulation in Sheffield
Homeowners and landlords in Sheffield can get a free survey and a fixed written quote for internal wall insulation, covering S1 and the surrounding area. For terraced homes in Sheffield with attractive brick fronts, one approach is to insulate the front internally and the rear externally.
- Free survey in S1 and nearby
- Guide price from £75 per m² 0% VAT
- Fixed written price before work starts
Free survey in Sheffield
Postcode, service and a phone number is all we need.
Part of every quote
- Loses roughly 50–100mm per insulated wall
- Can be done one room at a time during a renovation
- Needs careful detailing at floor joists, reveals and corners
- Insulated plasterboard, stud wall or breathable systems

What we look for in Sheffield
As well as Sheffield itself, we quote in Rotherham, Dronfield and Chapeltown. Yorkshire's housing includes stone and brick terraces, back-to-backs in parts of West Yorkshire, and post-war estates with steel-framed and concrete house types.
Exposure to wind-driven rain varies across South Yorkshire: 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 Sheffield homes room by room so you keep the rest of the house usable.
- Postcode district
- S1
- County or area
- South Yorkshire
- Nation
- England
- Nearby
- Rotherham, Dronfield, Chapeltown, Staveley
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.
Do I need Building Regulations approval?
Yes, in England and Wales once you insulate or replaster more than half of a wall's area (or more than a quarter of the building's whole envelope), it's treated as renovating a thermal element. The wall should reach about 0.30 W/m²K where practical, and building control needs to be involved.
Internal wall insulation prices in Sheffield
| 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.
What happens next
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 Sheffield: 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.
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 Sheffield?
Yes — we survey and quote internal wall insulation in Sheffield (S1) and nearby Rotherham, Dronfield and Chapeltown, with a fixed written price before any work starts.