Internal wall insulation · West Sussex
Internal wall insulation in Littlehampton
We quote internal wall insulation for homes in Littlehampton (BN17) and nearby Bognor Regis and Worthing, with guide prices online and a free survey to fix the price. We plan internal insulation in Littlehampton homes room by room so you keep the rest of the house usable.
- Free survey in BN17 and nearby
- Guide price from £75 per m² 0% VAT
- Fixed written price before work starts
Free survey in Littlehampton
Postcode, service and a phone number is all we need.
Included as standard
- Insulated plasterboard, stud wall or breathable systems
- Loses roughly 50–100mm per insulated wall
- Sockets, radiators, skirting and coving are moved and refitted
- Keeps the outside of the house exactly as it is

Before we quote in Littlehampton
We also cover Bognor Regis and Worthing, close to Littlehampton. It's roughly 26 miles from Littlehampton to Crawley, the largest town in West Sussex. 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.
Exposure to wind-driven rain varies across West Sussex: 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.
Where a property in Littlehampton is in a conservation area or the front elevation must stay unchanged, internal insulation is often the practical route.
- Postcode district
- BN17
- County or area
- West Sussex
- Nation
- England
- Nearby
- Bognor Regis, Worthing, Chichester, Portslade
Approvals 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.
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 Littlehampton
| 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 Littlehampton: questions
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.
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.
Do you cover Littlehampton?
Yes — we survey and quote internal wall insulation in Littlehampton (BN17) and nearby Bognor Regis, Worthing and Chichester, with a fixed written price before any work starts.