Storage Heater Homes: The £2,500 Heat Pump Grant

If you heat your home with night-storage heaters or plug-in electric panels, you have spent years watching gas and oil households get grants you were locked out of. That changed on 28 April 2026. Air-to-air heat pumps were added to the Boiler Upgrade Scheme at a flat £2,500 grant for residential properties in England and Wales (SI 2026/390). For the first time, the reversible air-conditioning-style units that heat and cool from a wall-mounted head qualify for UK government funding, and all-electric homes are exactly the households they suit best.

This is the honest version. The grant is £2,500, not the £7,500 you may have read about (that figure is for air-to-water and ground-source pumps only). And there is a genuine catch on timing that most sites will not tell you. But if you run storage heaters, the case is stronger for you than for almost anyone else, so it is worth understanding properly.

One myth to clear up first

You may see claims that air-to-air only qualifies if you are replacing direct electric heating and not storage heaters. That is installer-forum folklore, not law. The scheme rules and gov.uk list "oil, gas, electric or LPG" without singling out one kind of electric heating, and storage heaters are electric heating. The honest framing is this: air-to-air is best suited to electric-heated homes and flats, not legally restricted to a sub-type of them. What the grant genuinely will not do is let you keep a fossil-fuel boiler alongside the pump as a hybrid, and it is not available if your home already has a heat pump.

The running-cost win is the real prize

The grant is a one-off. The saving that matters to a storage-heater home is what happens every winter afterwards. A good air-to-air unit runs at a seasonal efficiency (SCOP) of about 4.0 to 4.6, meaning it delivers roughly four units of heat for every unit of electricity. That is where the numbers separate from resistive electric heating, which is one-for-one.

Using the Ofgem price cap for 1 July to 30 September 2026 (electricity 26.11p per kWh, per Ofgem), here is the honest cost of delivered heat:

Against direct electric panels the pump costs roughly a quarter as much to run. Against storage heaters it is still less than half, even though your storage heaters were charging on cheap overnight units. On top of the cheaper heat, you no longer have to guess the weather the night before, which is the perennial storage-heater problem: charge too little and you are cold by evening, charge too much and you have paid for heat you did not need.

Comfort and summer cooling, included

The part storage-heater owners underrate is comfort. An air-to-air unit heats on demand and holds a steady room temperature through the evening rather than fading out as the bricks cool. Because it is reversible, the same hardware cools your home in a July heatwave. No storage heater, gas boiler or oil boiler does that. For a top-floor flat that bakes in summer and struggles in winter, one system finally covers both. Do keep expectations honest for deep cold: below roughly minus five, efficiency drops to a COP of about 2 to 2.5, so the pump works harder on the coldest nights. It still beats resistive heat at those temperatures.

The catch nobody else mentions: certification is still catching up

Here is the caveat that keeps this page honest. The grant requires both an MCS-certified installer and an MCS-certified product. The law is live, but MCS air-to-air certification is still rolling out through 2026. Certification bodies are still gaining UKAS accreditation to certify air-to-air installers, the installer's technical supervisor needs an RACHP Level 3 qualification, and MCS has given no fixed completion date, describing timescales as varying. In plain terms: genuinely MCS-certified air-to-air installers are scarce in mid-2026, and without an MCS-certified air-to-air installation there is no grant. The £2,500 is real and it is law. It is not yet as readily claimable as it will be once certification is widespread. Anyone promising you a same-week grant install right now is overselling.

The 0% VAT saving applies even before the grant does

While certification catches up, one saving is available UK-wide today. A permanently fixed air-to-air unit that provides heating carries 0% VAT on supply and installation until 31 March 2027, after which it rises to 5%, not the old 20% (HMRC VAT Notice 708/6). That is a price cut, not a grant, and it stacks on top of the £2,500 where the grant applies. A cooling-only unit does not qualify. For Scotland and Northern Ireland this 0% VAT is currently the only support, because the Boiler Upgrade Scheme does not run there and Home Energy Scotland excludes air-to-air. In Wales the £2,500 BUS grant does apply.

What the numbers look like, and your next step

With 0% VAT included, a single-room split runs about £1,200 to £3,000, a two-room multi-split about £2,800 to £4,500, and three-to-four rooms about £3,500 to £7,000. Gov.uk gives a typical flat or small house at around £4,500. After the £2,500 grant, a genuinely eligible home can land anywhere from roughly £300 to £4,500 net, depending on how many rooms you heat. Under the scheme the grant is taken off the installer's quote upfront, and the EPC requirement was removed on 28 April 2026, so a recent fuel bill and photos are accepted instead.

If you heat with storage heaters or electric panels, live in England or Wales, and are ready to replace that heating rather than run it alongside, you are in the strongest group for this grant. The sensible next move is to confirm an installer holds current MCS air-to-air certification before you commit to anything, because that single fact decides whether your £2,500 is claimable. We match genuinely eligible homeowners with MCS-certified air-to-air installers; we do not sell a brand of kit, and we would rather tell you to wait than watch you lose the grant on a technicality.

All grant, tax and price figures are as at July 2026 and drawn from gov.uk, Ofgem, HMRC and MCS primary sources.