External wall insulation · South East
External wall insulation in Lewes
Solid-wall and non-traditional homes in Lewes are often the coldest and dampest in a landlord's stock. External wall insulation is usually the right answer.
Social landlords in Lewes can appoint us for external wall insulation, from a single home to a programme. Lewes District Council still owns council homes here, alongside housing association stock. We work to the Decent Homes Standard and to your own specification.
Lewes at a glance
- Council
- Lewes District Council
- Region
- South East
- County
- East Sussex
- Council homes
- Council-owned, managed by the council
- Housing standard
- Decent Homes Standard (England)
- Damp and mould timescales
- Awaab's Law (since 27 Oct 2025)
- Population
- 103,525 (2020 estimate)
- Regional price factor
- 1.10 (VOA 2026)
Council housing status from Housing Revenue Account records (MHCLG and the 2012 HRA list, updated for later transfers) and council publications, checked October 2026. Population: ONS 2020 mid-year estimate.
Who owns the social homes in Lewes?
Lewes District Council still owns council homes in Lewes and manages them directly, funded through its Housing Revenue Account. Housing associations also own and manage social homes in the area, and we can work for both.
What do we cover in Lewes?
- Survey of walls, services and details before design
- Insulation boards, mesh, base coat and render or brick-slip finishes
- Fire breaks and non-combustible materials where the design requires them
- Scaffold, protection and resident liaison
- Handover with system guarantee documents

How do we deliver it?
Detailing is agreed before ordering, opening by opening. It is the difference between an EWI scheme that lasts thirty years and one that develops damp in three.
Which rules apply in Lewes?
Warm Homes: Social Housing Fund Wave 3 (£1.29bn for 2025–2028, plus up to £295m more for 2026/27) requires delivery under PAS 2035/2030, TrustMark-registered installers and, for heat pumps and solar, MCS certification. The fund is closed to new applications.
Decent Homes Standard (England) · More about external wall insulation
What does external wall insulation cost in Lewes?
Our guide range for external wall insulation in Lewes is £11,000–£20,350 per house. That is the UK range of £10,000–£18,500 (published figure) adjusted by a regional cost factor of 1.10 (VOA Rating Cost Guide 2026: 1.05–1.15); figures are before VAT where the source states it. Every job is priced after survey; specification, access and the condition of the homes will move the figure.
Questions about external wall insulation in Lewes
Does Lewes District Council still own council homes?
Lewes District Council still owns council homes in Lewes and manages them directly, funded through its Housing Revenue Account. Housing associations also own and manage social homes in the area, and we can work for both.
Can you take on external wall insulation in Lewes as a subcontractor?
Yes. Main contractors working for social landlords in Lewes can engage us as a tier-2 subcontractor for external wall insulation, working under their systems and their client's specification.
Which housing standard applies in Lewes?
Social homes in England must meet the Decent Homes Standard, enforced through the Regulator of Social Housing's Safety and Quality Standard. A reformed standard, confirmed in January 2026, must be met by 2035 at the latest.
Other works we carry out in Lewes
- Electrical remedial works and rewires
- Aids and adaptations
- Heating upgrades and heat pumps
- Responsive repairs
- Void property works
- Communal area refurbishment
- Housing disrepair works
- Fire door installation and remediation
- Kitchen replacement programmes
- Bathroom replacement programmes
- Acquisition and temporary accommodation refurbishment
- Damp and mould remediation