Solid wall insulation · Isle of Wight
Solid wall insulation in Sandown
Need solid wall insulation in Sandown? Tell us about the property and we'll arrange a free survey and a written quote. For solid-walled homes in Sandown, we check wall thickness and age first to confirm there's no cavity to fill.
- Free survey in PO36 and nearby
- Guide price from £75 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Sandown
Postcode, service and a phone number is all we need.
Included as standard
- External insulation keeps room sizes and treats cold bridges well
- Breathable options for stone and lime-mortared walls
- Internal insulation suits single rooms or where the outside can't change
- Both can be done in stages, elevation by elevation or room by room
Sandown: walls, weather and approvals
We cover Sandown and nearby Ryde, Newport (Isle of Wight) and Cowes. It's roughly 5 miles from Sandown to Ryde, the largest town in Isle of Wight. 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 Isle of Wight: 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.
For Sandown homeowners weighing external against internal insulation, the survey sets out both with prices.
- Postcode district
- PO36
- County or area
- Isle of Wight
- Nation
- England
- Nearby
- Ryde, Newport (Isle of Wight), Cowes, Gosport
Approvals in England
Before quoting in Sandown, we check whether the property is in a conservation area, under an Article 4 direction or listed, because that decides whether changing the outside needs planning permission.
Building control applies once more than half of a wall is insulated or re-rendered, or more than a quarter of the whole building envelope, and your written quote says how that's handled.
External or internal — which is better?
External insulation keeps the wall warm, reduces cold bridging at floors and party walls, renews the outside, and doesn't shrink rooms — but it changes the look and needs scaffolding. Internal insulation keeps the façade unchanged and can be done room by room, but loses 50–100mm of floor space per wall and needs careful detailing to avoid condensation at joists and corners.
Solid wall insulation prices in Sandown
| Item | Guide price | Notes |
|---|---|---|
| External (EWI) | £105–£210 per m²0% VAT | By board and finish |
| Internal (IWI) | £75–£130 per m²0% VAT | Plus making good |
| Survey and written recommendation | Free with a quote |
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.
Solid wall insulation in Sandown: questions
Can I do one wall at a time?
Yes. Many owners start with the coldest or most exposed elevation, often a gable end.
Is solid wall insulation worth it?
For many solid-walled homes it's one of the biggest single improvements to comfort, because the walls are often the largest heat-loss area. Savings depend on the home and heating, so we don't promise a figure.
Can I get a grant for solid wall insulation?
Some schemes cover it for eligible households — for example ECO4 until 31 December 2026, Home Energy Scotland's grant and loan, Wales' Warm Homes Nest and NI's Affordable Warmth Scheme. Each has its own eligibility and installer rules; see our grants guide.
Do you cover Sandown?
Yes — we survey and quote solid wall insulation in Sandown (PO36) and nearby Ryde, Newport (Isle of Wight) and Cowes, with a fixed written price before any work starts.