Flats and blocks · Greater London
EWI for flats and blocks in Thamesmead
If you're planning EWI for flats and blocks in Thamesmead, start with a free survey: we measure, check the walls and confirm planning and building control for your address. For blocks in Thamesmead, we start with height, storeys and the planning position, because those decide the system.
- Free survey in SE2 and nearby
- Guide price from £110 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Thamesmead
Postcode, service and a phone number is all we need.
What the job covers
- Cavity barriers and fire-stopping detailed at compartment floors
- Higher-risk buildings follow the Building Safety Regulator's process in England
- Planning permission is needed for flats and maisonettes
- One programme and one finish across the whole building
Local considerations in Thamesmead
As well as Thamesmead itself, we quote in Barking, Welling and Becontree. 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.
Freeholders and managing agents in Thamesmead get a written specification and pricing they can share with owners.
- Postcode district
- SE2
- County or area
- Greater London
- Nation
- England
- Nearby
- Barking, Welling, Becontree, Dagenham
Planning and building control in England
Before quoting in Thamesmead, 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.
Insulating or re-rendering more than half of a wall's area brings in Part L of the Building Regulations, so building control is notified and the wall is upgraded to about 0.30 W/m²K where practical.
On residential buildings with a storey 11 metres or more above ground, guidance points to non-combustible external wall materials, and combustible materials are banned in relevant buildings 18 metres and over, so we specify mineral wool systems there.
How disruptive is it for residents?
Most work happens from scaffolding outside. Residents may need to allow brief access to extend window cills, vents or flues from the inside. We provide a notice for residents covering dates, scaffold, and how to raise concerns.
EWI for flats and blocks prices in Thamesmead
| Item | Guide price | Notes |
|---|---|---|
| Mineral wool system on a low-rise block | £110–£190 per m²0% VAT | Priced on survey |
| Scaffold and access | Priced per building | Includes licences where needed |
| Specification and pricing pack for consultation | Included with 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
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.
Flats and blocks in Thamesmead: questions
Do you work on high-rise buildings?
Tell us the height and number of storeys. Buildings in the higher-risk category have a separate regulatory route, and we'll say plainly if we're not the right contractor.
Do flats need planning permission for EWI?
Yes. Permitted development rights for external alterations apply to houses, not flats or maisonettes, so an application is needed.
Who pays for EWI on a leasehold block?
In England and Wales, usually the leaseholders through the service charge, depending on the lease, and the landlord must follow the Section 20 consultation process for major works.
Do you cover Thamesmead?
Yes — we survey and quote EWI for flats and blocks in Thamesmead (SE2) and nearby Barking, Welling and Becontree, with a fixed written price before any work starts.