Warm Homes Plan Devolution: What It Means for Solar

The government says it will devolve the Warm Homes Plan — handing mayors, councils and communities a bigger say over how its home-upgrade money is spent. Energy Secretary Miatta Fahnbulleh announced the move in her speech to the Labour Party Conference in Liverpool on 29 September 2026, rebranding the effort as the “Great Home Upgrade”. For anyone wondering whether it changes how you get solar panels, a battery or a heat pump, the honest answer today is: not yet, and the detail is still missing.

What was actually announced

The headline commitment is local control. In the speech, Fahnbulleh said the government “will devolve the Warm Homes Plan, the biggest investment in home upgrades in British history”, so that decisions move from Whitehall to local leaders. She framed the aim as upgrading millions of homes, renewing estates, training young people for skilled jobs and backing local businesses — “postcode-by-postcode, street-by-street, community-by-community”. The same speech also cited 1.7 million homes cutting their bills with solar and a billion-pound Local Power Plan to help communities own and generate energy locally through solar, wind, batteries and heat pumps (Labour Party).

What coverage of the announcement did not include is just as important. Trade press reporting of the speech gave no new budget figure, no start date and no description of how the change would work in practice (Energy Live News). UK100, a network of local leaders, welcomed the direction but said the funding “must be protected at the Budget” and reach every postcode (Energy Live News). Treat this as a statement of intent until the government publishes the mechanics.

What the Warm Homes Plan already is

The plan itself is not new. Published on 21 January 2026, it commits £15 billion of public investment to upgrade up to 5 million homes by 2030 (GOV.UK). It is an umbrella over several routes rather than one application form — a means-tested Local Grant, a Social Housing Fund, the Boiler Upgrade Scheme and a finance-focused Warm Homes Fund. Our complete Warm Homes Plan guide maps each route and who qualifies.

Solar is one of the eligible measures under the grant-funded routes, alongside insulation, heating controls and heat pumps. The Local Grant in particular is already delivered through local authorities, so devolution is likely to change who decides priorities and which streets go first rather than invent a new delivery channel. That is our reading, not something the government has spelled out.

What it could mean for solar homeowners

If you are low-income and live in a poorly insulated home, the practical effect may be that your local authority or combined authority becomes the place to watch. A street-by-street approach would favour area-based installs where a whole terrace or estate is upgraded together. That echoes the proposal we covered in our explainer on the street-by-street council solar plan.

If you are a typical owner-occupier paying for solar yourself, nothing changes. The Warm Homes Plan grants are targeted at lower-income households in lower-rated homes, so most people comparing quotes will still be buying on the open market. Our UK solar grants guide sets out what help exists beyond the plan.

If you live in Scotland, Wales or Northern Ireland, the England-focused Warm Homes Plan does not apply in the same way; each nation runs its own schemes.

What to watch next

The things that will determine whether devolution helps or hinders households are all still unanswered: how much money is ring-fenced for each area, whether the rules for eligibility stay national, how fast local bodies can commission installers, and whether the 2027 scheme timetable holds. The Budget is the first real test of whether the funding is protected, as UK100 has argued. We will update this page when the government publishes the detail.

In the meantime, the sensible step is simple: check whether your council has opened a referral route for the Local Grant, and if you are paying yourself, keep comparing quotes from MCS-certified installers rather than waiting for a scheme that may not cover you.