Solid wall insulation · Gwent
Solid wall insulation in Abergavenny
Need solid wall insulation in Abergavenny? Tell us about the property and we'll arrange a free survey and a written quote. For solid-walled homes in Abergavenny, we check wall thickness and age first to confirm there's no cavity to fill.
- Free survey in NP7 and nearby
- Guide price from £75 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Abergavenny
Postcode, service and a phone number is all we need.
What's included
- Breathable options for stone and lime-mortared walls
- Internal insulation suits single rooms or where the outside can't change
- External insulation keeps room sizes and treats cold bridges well
- Both can be done in stages, elevation by elevation or room by room
Local considerations in Abergavenny
Surveys in Abergavenny also cover the surrounding NP7 district and towns such as Pontypool and Ebbw Vale. Abergavenny is about 16 miles from Newport (Gwent). South Wales has long runs of solid-wall valley terraces, Victorian and Edwardian town housing and post-war council estates.
Exposure to wind-driven rain varies across Gwent: 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.
On solid-walled houses in Abergavenny, the gable or the most weather-exposed wall is often the place to start.
- Postcode district
- NP7
- County or area
- Gwent
- Nation
- Wales
- Nearby
- Pontypool, Ebbw Vale, Cwmbran, Monmouth
Planning and building control in Wales
Householder rules in Wales are similar to England's: in Abergavenny, a similar-looking finish on a house is often permitted, but conservation areas, flats and listed buildings need permission or consent.
Building control in Wales applies to most insulation and re-rendering jobs of this size; the quote states who submits the notice.
What does solid wall insulation cost?
External systems run at roughly £105–£210 per m² of wall depending on the board and finish. Internal insulation is roughly £75–£130 per m², plus the cost of moving radiators, sockets and kitchen units.
Solid wall insulation prices in Abergavenny
| 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.
How it works
Get a guide price
Try the online quote tool for a ballpark figure.
Book the survey
A visit at a time that suits you.
Agree the quote
Nothing starts until you've signed the written price.
We do the work
Planned around weather, with you kept informed.
Solid wall insulation in Abergavenny: questions
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.
Can I do one wall at a time?
Yes. Many owners start with the coldest or most exposed elevation, often a gable end.
Do you cover Abergavenny?
Yes — we survey and quote solid wall insulation in Abergavenny (NP7) and nearby Pontypool, Ebbw Vale and Cwmbran, with a fixed written price before any work starts.