Straight answers
What rendering really costs
Published prices, dated and honoured — per m² and per house, with everything included spelled out.
Cost guide
How much does external wall insulation cost?
External wall insulation costs £130–£190 per m² installed in 2026, with grants of up to £15,000 for qualifying solid-wall homes. It cuts heating bills 25–40% — the Energy Saving Trust estimates £300–£500 a year saved on a semi-detached — while giving the house a completely new facade.
Updated 11 July 2026
Cost guide
How much does monocouche render cost?
Monocouche render costs £45–£65 per m² supplied and applied in 2026. A 3-bed semi-detached house works out at £6,750–£10,000 and a 4-bed detached at £9,900–£14,600, including scaffold. South East prices sit at the value end of the UK's £45–£90 per m² market range.
Updated 11 July 2026
Cost guide
How much does silicone render cost?
Silicone render costs £60–£75 per m² supplied and applied in 2026 — roughly 25–35% more than monocouche. A 3-bed semi typically lands £9,000–£12,500 including scaffold. The premium buys a self-cleaning hydrophobic finish, 1,000+ colours and 25-year warranties from Weber and K Rend.
Updated 11 July 2026
Want the exact number for your home?
Free survey, fixed written quote within 48 working hours — the published ranges above are what we actually charge.