EPS insulation · Kent
EPS external wall insulation in Whitstable
Homeowners and landlords in Whitstable can get a free survey and a fixed written quote for EPS external wall insulation, covering CT5 and the surrounding area. We compare EPS against mineral wool for each Whitstable enquiry rather than assuming one board suits every wall.
- Free survey in CT5 and nearby
- Guide price from £105 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Whitstable
Postcode, service and a phone number is all we need.
What you get
- Thermal conductivity around 0.031–0.038 W/mK depending on grade
- Finished in silicone, acrylic, mineral render or brick slip
- Light boards mean fewer fixings and a faster install
- Grey graphite EPS reaches a given U-value with a thinner board

Before we quote in Whitstable
We also cover Herne Bay and Canterbury, close to Whitstable. Whitstable sits around 23 miles from Maidstone. 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.
Much of Kent 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.
EPS is a common choice for two-storey houses, mainly on cost and weight, and we price it alongside mineral wool for homes in Whitstable.
- Postcode district
- CT5
- County or area
- Kent
- Nation
- England
- Nearby
- Herne Bay, Canterbury, Sittingbourne, Margate
Permissions in England
For a house in Whitstable, external insulation or render is often permitted development if it looks similar to the existing walls; conservation areas, flats, commercial buildings and listed buildings need permission or consent, so we check your address first.
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.
What is EPS insulation?
Expanded polystyrene is a closed-cell foam made from beads that are expanded and moulded into boards. White EPS is the standard grade; grey EPS has graphite added, which reflects radiant heat and improves performance by roughly 15–20%, so a thinner board does the same job. Both are used inside certified render systems where the board, adhesive, fixings, mesh and finish are tested together by the manufacturer.
EPS external wall insulation prices in Whitstable
| Item | Guide price | Notes |
|---|---|---|
| EPS + silicone render | £105–£145 per m²0% VAT | Excluding scaffold |
| Grey EPS uplift | +£4–£8 per m²0% VAT | Thinner board for the same U-value |
| Bungalow, full house | £6,700–£12,8000% VAT | 55–75 m² of wall, including scaffold |
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.
EPS insulation in Whitstable: questions
White or grey EPS?
Grey graphite EPS insulates better per millimetre, so it is the pick where space is tight at the eaves or around windows. White EPS is slightly cheaper and works well where the extra thickness isn't a problem.
Is EPS insulation safe on a house?
EPS is used inside render systems that are fire-tested as a whole. On low-rise houses it is widely used. On taller buildings, or where guidance calls for non-combustible materials, mineral wool systems are specified instead.
How long does EPS last on a wall?
The board itself doesn't degrade when protected by the render system. Service life depends on the render, sealants and detailing, typically 25–30 years or more with maintenance.
Do you cover Whitstable?
Yes — we survey and quote EPS external wall insulation in Whitstable (CT5) and nearby Herne Bay, Canterbury and Sittingbourne, with a fixed written price before any work starts.