The Off-Gas Challenge
Around 4 million UK homes are not connected to the gas network. These properties — often in rural Leicestershire, Rutland, Northamptonshire, and beyond — traditionally rely on oil, LPG, or electric storage heaters. All of these are more expensive per kWh than mains gas and produce higher carbon emissions.
The good news? Off-gas properties have the most to gain from switching to a heat pump, both financially and in terms of the grant available.
Why Heat Pumps Are the Best Option for Off-Gas Homes
For off-gas properties, a heat pump offers:
- The enhanced £9,000 BUS grant (21 July 2026 – 31 March 2027) — £1,500 more than on-gas homes.
- Massive running cost savings — Oil costs roughly 8–10p per kWh of heat. A heat pump delivers heat at 6–7p per kWh. LPG is even more expensive at 10–13p per kWh of heat.
- No fuel deliveries — No more arranging oil deliveries, worrying about tank levels, or price spikes.
- No combustion risk — No carbon monoxide, no flue maintenance, no oil leaks contaminating your land.
Paired with solar panels, an off-gas property can become virtually energy-independent.
What About Oil Boiler Replacement?
Oil boilers are reaching end-of-life across the country, and replacement oil boilers are becoming harder to source and more expensive. The UK government has signalled that oil and LPG boilers in off-gas homes will eventually be phased out.
Rather than replacing an ageing oil boiler with another fossil fuel system, the BUS grant makes a heat pump the obvious choice. Many of our rural customers report lower running costs from day one, even before accounting for the grant.
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Considerations for Rural Properties
Rural installations can have specific requirements:
- Single-phase electricity supply — The Vaillant aroTHERM Plus runs on a single-phase supply up to 12 kW, which is sufficient for most homes. Larger properties may need a three-phase upgrade.
- Longer pipe runs — If the heat pump is sited some distance from the house, insulated underground pipe runs are needed.
- Listed buildings and conservation areas — We have experience installing heat pumps sensitively in heritage properties.
- Solid walls — Many rural properties have solid stone or brick walls with no cavity. Internal or external insulation can help, and we factor this into our heat loss calculations.
Off-Gas Options Compared: Oil, LPG, Electric vs Heat Pump
If you are off the gas grid, your heating choice has a bigger impact on your bills than almost any other household decision. Here is how the realistic 2026 options stack up for a typical rural Midlands home.
- Oil boiler: heating oil is volatile and has spiked hard in recent years; running costs are moderate but you carry price risk, need a tank, and face a 10–15 year boiler life. No grant support.
- LPG boiler: usually the most expensive fuel per useful kWh, plus tank rental or ownership. Rarely the best long-term choice.
- Electric storage heaters: cheap to install, expensive to run on standard rates, and hard to control room by room.
- Air source heat pump: the strongest off-gas case in 2026 — lowest running cost of the four, eligible for the enhanced £9,000 BUS grant (off-gas homes only), 0% VAT, and a 20-year-plus lifespan.
For most off-gas households the combination of the £9,000 grant and much lower running costs means a heat pump pays back faster here than anywhere else, while removing the hassle of ordering oil or LPG deliveries. If you are currently on oil, our oil vs heat pump cost comparison runs the full numbers side by side.
Frequently asked questions
A well-designed heat pump. Oil costs roughly 8–10p and LPG 10–13p per kWh of heat, while a heat pump delivers heat at about 6–7p — and off-gas homes get the enhanced £9,000 grant on top.
For most off-gas homes, yes — lower running costs, no fuel deliveries or tank to monitor, no combustion risk, and a 20-year-plus lifespan. Paired with solar an off-gas home can be nearly energy-independent.
The enhanced £9,000 Boiler Upgrade Scheme grant for off-gas-grid homes, for applications between 21 July 2026 and 31 March 2027 — £1,500 more than on-gas homes receive.
Usually yes. Electric storage heaters are among the most expensive ways to heat a home, so the running-cost savings from a heat pump are large, and the property qualifies for the enhanced off-gas grant.
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