Non-traditional houses · Greater London
Non-traditional and concrete house insulation in Coulsdon
Homeowners and landlords in Coulsdon can get a free survey and a fixed written quote for non-traditional house insulation, covering CR5 and the surrounding area. For concrete houses in Coulsdon, we report any visible spalling or cracking before quoting the insulation, not after.
- Free survey in CR5 and nearby
- Guide price from £120 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Coulsdon
Postcode, service and a phone number is all we need.
Included as standard
- Fixing design depends on the panel or frame behind the wall
- Steel-framed BISF houses need care around the upper-storey cladding
- Most system-built homes have thin, cold walls and no fillable cavity
- The survey identifies the construction type before anything is specified

What we look for in Coulsdon
As well as Coulsdon itself, we quote in Purley, Banstead and Wallington. 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.
Where a home in Coulsdon is system-built, the first job is confirming the construction type.
- Postcode district
- CR5
- County or area
- Greater London
- Nation
- England
- Nearby
- Purley, Banstead, Wallington, Sutton
Approvals in England
Planning in Coulsdon follows England's national rules: similar-looking finishes on houses are usually permitted, while flats, commercial premises, conservation areas and streets under an Article 4 direction need an application.
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.
How do I know if my house is non-traditional?
Clues include concrete panels or posts visible at corners, a smooth concrete or rendered finish on houses of a 1940s–1960s estate, steel sheeting on the upper storey, or a mortgage valuation that mentioned the construction type. Common types include Wimpey no-fines (poured concrete), Airey and Cornish Unit (precast reinforced concrete), Reema, Orlit and BISF (steel frame). We identify the type during the survey.
Non-traditional and concrete house insulation prices in Coulsdon
| Item | Guide price | Notes |
|---|---|---|
| EWI on concrete or steel-framed walls | £120–£180 per m²0% VAT | Includes extra preparation |
| Semi-detached, full house | £11,400–£21,2000% VAT | 80–100 m² of wall, including scaffold |
| Concrete repairs found at survey | Priced separately | Only where needed |
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.
Non-traditional houses in Coulsdon: questions
What if my neighbour isn't insulating?
We finish the system neatly at the boundary with a closing detail so the neighbouring house isn't affected and can be joined later.
Can you insulate a Wimpey no-fines house?
Yes. No-fines houses have solid poured-concrete walls with no cavity, so EWI is the usual route. The survey checks the concrete condition first.
Will EWI make my house mortgageable?
It can make a house more attractive and better insulated, but it does not replace a certified structural repair where a lender requires one. Ask your lender before relying on it.
Do you cover Coulsdon?
Yes — we survey and quote non-traditional house insulation in Coulsdon (CR5) and nearby Purley, Banstead and Wallington, with a fixed written price before any work starts.