The Short Answer: Yes, For Most Homes
With the £7,500 government grant, heat pumps make financial sense for most UK homeowners. But they're not right for everyone. Here's the honest breakdown.
When Heat Pumps ARE Worth It
- You're replacing oil or LPG heating — savings of £500-1,000+/year
- Your home is well-insulated — heat pumps work best in efficient homes
- You have or plan to get solar panels — free electricity = free heating
- You're planning to stay long-term — payback is 5-10 years
- Your gas boiler is end-of-life — you need a new heating system anyway
- You care about the gas boiler ban — new builds banned from 2035
When Heat Pumps Might NOT Be Worth It
- Your gas boiler is new — if it's under 5 years old, wait
- Your home is poorly insulated — insulate first, heat pump second
- You're moving soon — you won't see the payback
- You're on the gas grid with a cheap tariff — savings are smaller
Real Running Cost Comparison
Based on a typical 3-bed semi-detached home in 2026:
- Gas boiler: £950/year
- Air source heat pump: £650/year
- Heat pump + solar panels: £250-350/year
The combination of a heat pump plus solar panels can cut your heating bill by 60-70%.
Do You Need Planning Permission for a Heat Pump?
Good news: most air source heat pump installations are classed as permitted development, meaning you won't need planning permission. However, there are exceptions — if you live in a conservation area, a listed building, or your property is subject to specific conditions, you may need to apply. Ground source heat pumps involving significant groundwork can also trigger planning requirements.
Before committing to an installation, it's worth checking whether any planning restrictions apply to your property. PlanWatch lets you search planning applications by postcode and monitor activity near your home.
The Comfort Factor
Heat pumps provide a different kind of heat to gas boilers. They deliver a lower, more consistent temperature rather than short bursts of intense heat. Most people find this more comfortable once they're used to it, but it takes adjustment.
Key comfort points:
- Rooms stay at a more even temperature all day
- No cold spots or hot blasts
- You may need larger radiators (your installer will advise)
- Underfloor heating works perfectly with heat pumps
The £7,500 Grant Changes the Maths
Without the Boiler Upgrade Scheme grant, heat pumps were a tough sell financially. With £7,500 off the upfront cost, the payback period drops to 5-7 years for most homes. That makes the maths work for the majority of homeowners.
Get a Personalised Assessment
Check your eligibility for the £7,500 grant and find out if a heat pump suits your home.