ECO4 Scheme Extended Until March 2026 | 7,000+ Installations
freeboilerupgrade.uk Logo - UK's Most Trusted ECO4 Portal
Apply Now

Boiler Grants in Wales – Free Boiler Scheme for 2026

If you live in Wales and your boiler is old, inefficient, or broken, you could be eligible for a completely free replacement under the ECO4 scheme or LA Flex grant route. These government-backed grants are helping Welsh households cut energy bills and stay warm through the winter — with no upfront cost.

Can You Get a Free Boiler in Wales?

Yes! Homeowners and tenants across Wales can qualify if:

  • They receive qualifying benefits (Universal Credit, Pension Credit, etc.)
  • Or they’re approved through LA Flex by their local council
  • Their property has an EPC rating of D–G
  • The current boiler is at least 15 years old

See full eligibility list

How the ECO4 Scheme Works in Wales

The ECO4 scheme is available UK-wide, including all Welsh local authorities. Council partners and approved installers handle the process from start to finish, so you don’t need to worry about paperwork or contacting your council directly.

Grants cover 100% of the cost — there are no loans or repayments. If you qualify, you’ll get a brand new, energy-efficient boiler installed by trusted local contractors.

LA Flex in Wales – Council Approval Route

Many Welsh councils offer LA Flex options for those not on benefits. Councils like Cardiff, Swansea, Newport, and Wrexham have local flexibility routes to help more residents qualify.

LA Flex allows approvals based on age, income, and health risks — not just benefits. If you’re not sure if you qualify, it’s always worth applying.

Learn about LA Flex eligibility

Welsh Areas Covered Under the Scheme

  • Cardiff
  • Swansea
  • Newport
  • Wrexham
  • Rhondda Cynon Taf
  • Bridgend
  • Caerphilly
  • Neath Port Talbot

If you’re not sure whether your area is covered, apply and we’ll check for you.

Apply for a Free Boiler in Wales

Ready to save on your energy bills and enjoy a warmer home? Use our quick eligibility checker to see if you qualify for a free boiler grant in Wales. There are no hidden fees, the approval process is fast, and all work is carried out by approved local contractors.

Apply now
Learn more about the free boiler upgrade scheme

Frequently Asked Questions

Can private tenants in Wales get a free boiler under ECO4?
Yes, with written landlord consent. The tenant is the eligible applicant (qualifying benefit or LA Flex declaration); the landlord must sign a consent form because the boiler becomes part of the property. Welsh landlords are typically receptive because the install raises the EPC rating, which helps them meet rental standards.
How long does it take to get a free boiler in Wales?
Realistic May 2026 timeline: 6–10 weeks Benefits Route, 8–12 weeks LA Flex. Closer to the 31 December 2026 ECO4 close, expect 10–14 weeks as installer capacity tightens. Apply by mid-summer 2026 to be safely inside the deadline.
Is there any cost or repayment?
ECO4 measures are funded entirely by obligated energy suppliers — no cost to qualifying households, no loan, no repayment. Welsh Government's Nest scheme operates similarly. Anyone asking for upfront fees or 'admin charges' before survey is a scam; check the installer's TrustMark registration at trustmark.org.uk.
What other routes exist for Welsh households?
Three to consider. (1) ECO4 — UK-wide, regulated by Ofgem, closes 31 Dec 2026. (2) LA Flex — your Welsh council writes its own Statement of Intent (income thresholds usually around £31k, with vulnerability indicators that can override). (3) Welsh Government Nest scheme — Wales-specific, focused on fuel poverty, can fund boilers and insulation. Apply where you fit; you can only receive one measure per property.
Does my boiler have to be a specific age?
There's no national 'must be 15 years old' rule. Per Ofgem's ECO4 framework, the existing boiler must be inefficient (typically pre-2005 non-condensing), broken, or absent — a working A-rated boiler isn't replaceable. The surveyor assesses your specific boiler. Property must also be EPC D-G for owner-occupiers (E-G for rented stock).