homeinsulationgrants

Insulation grants by measure and situation

Pick your measure or situation for the detail, or check exactly what you qualify for with the free eligibility checker.

Loft insulation grants

Loft insulation is the cheapest, most-funded measure — roughly £900 to buy outright at 0% VAT, or fully funded through ECO4 or your nation's scheme if…

Read the honest detail →

Cavity wall insulation grants

Cavity wall insulation typically costs around £2,700 and is funded across several UK grant schemes, but only if a survey confirms your walls have suit…

Read the honest detail →

Solid wall insulation grants

Solid wall insulation is the most expensive measure to install and the one where a grant makes the biggest difference — but it is also where poor-qual…

Read the honest detail →

Underfloor insulation grants

Insulating a suspended timber floor typically costs £1,400–£2,500, and several schemes will fund it — ECO4, the Warm Homes: Local Grant in England, th…

Read the honest detail →

Room-in-roof insulation grants

Room-in-roof insulation treats the sloping ceilings, dwarf walls and flat sections of a habitable attic or loft conversion. It typically costs £1,500 …

Read the honest detail →

Park home insulation grants

Park homes are named in scheme measure lists but treated as non-standard construction, so generic insulation advice rarely fits. ECO4 (to 31 December …

Read the honest detail →

Insulation grants for private tenants

If you rent from a private landlord you can still access insulation grants such as ECO4 and the Warm Homes: Local Grant, but almost every scheme needs…

Read the honest detail →

Insulation grants if not on benefits

Being on a means-tested benefit is only one way to qualify. There are real routes for "able-to-pay" and just-above-the-threshold households, plus a 0%…

Read the honest detail →

Not sure which fits your home? Use the free eligibility checker — no details needed. See real prices on the cost guide, the full scheme list on the grants and funding page, or compare the two big schemes on ECO4 vs GBIS.

Check your insulation grant options

We aim to reply within one working day

Tell us a little about your home and we’ll help you work out which live insulation grant fits — ECO4, the Warm Homes: Local Grant, Home Energy Scotland, Nest or Affordable Warmth — and point you to a genuinely TrustMark-registered installer if you want one. We’re an independent guide, not an installer, and we run no grant. Applying to the schemes is always free.

  • 1. Tell us your situation — your nation, tenure and roughly how efficient your home is.
  • 2. We sense-check the grant and tell you honestly which scheme (if any) applies.
  • 3. You decide — no obligation, and no pushy calls.
  • Independent guide
  • gov.uk & Ofgem-sourced
  • TrustMark / PAS 2035
  • No obligation

By submitting you agree to our privacy policy. We never sell your details, and you can stop at any step.

Why homeowners trust this guide

  • Independent — we install nothing
  • Every figure sourced from gov.uk, Ofgem & mygov.scot
  • TrustMark / PAS 2035 installers only
  • No pushy sales, no obligation
  • Updated July 2026

Insulation & energy grants across the UK

For the £15bn programme behind England’s grants, read about the Warm Homes Plan and its funding.

Ready to start an ECO4 claim? See how to apply for ECO4.

Welsh households can also check the ECO4 scheme in Wales.

For the background on the Great British Insulation Scheme.

Check my eligibility
Get a free quote