Heat pumps in Swansea
£6,790 to £17,120 installed, and 239 Boiler Upgrade Scheme grants already paid in the council area.
What a system costs in Swansea
6kW
£6,790–£8,860
Saves up to £206 a year. Pays back in about 2 years after the £7,500 grant (38 years without it).
9kW (most common)
£9,060–£12,240
Saves up to £290 a year. Pays back in about 11 years after the £7,500 grant (37 years without it).
14kW
£12,590–£17,120
Saves up to £399 a year. Pays back in about 18 years after the £7,500 grant (37 years without it).
Source: Home Energy Quotes Cost Index, costs modelled July 2026, savings at the October to December 2026 price cap. Prices are estimates and include installation and VAT. Actual costs may vary.
Swansea in numbers
Published statistics for the Swansea council area, not our estimates.
239 Boiler Upgrade Scheme heat pump grants were paid in the Swansea council area between May 2022 and June 2026. At the 2021 Census, 80.3% of households in the Swansea council area used mains gas as their only central heating, 1.9% oil only and 5.6% electricity only.
| Swansea council area | Figure | Source |
|---|---|---|
| Boiler Upgrade Scheme heat pump grants paid | 239 | DESNZ and Ofgem, May 2022 to June 2026 |
| Households on mains gas heating only | 80.3% | Census 2021, ONS |
| Households on oil heating only | 1.9% | Census 2021, ONS |
| Households on renewable heating only | 0.2% | Census 2021, ONS |
| Homes with an EPC rated D to G | 53% | ONS, EPCs lodged to March 2025 |
| Electricity network operator | National Grid Electricity Distribution (South Wales) | NESO licence area boundaries |
Swansea is served by National Grid Electricity Distribution, the electricity network operator for South Wales. A heat pump has to be registered with the network operator. Your installer normally does this: smaller systems are notified after installation, and larger ones need approval before work starts.
These are published official statistics for the Swansea council area, which covers Swansea, not Home Energy Quotes estimates. Sources checked 6 October 2026.
Is Swansea a good place for heat pumps?
The area’s housing stock includes a range of properties suited to heat pumps installations throughout Swansea. Combined with Wales’s energy prices, heat pumps installations here may offer good value (individual results will vary).
Swansea has a population of 241,000, and the area falls within the Wales region. We recommend getting at least 3 quotes to compare prices.
Find Installers in Swansea
We recommend getting at least 3 quotes from qualified installers before making a decision. Check reviews, ask for local references, and make sure warranties are clearly stated in writing.
What to check before hiring an installer in Swansea
- Qualifications — check the installer holds relevant qualifications and certifications for heat pumps before signing any contract
- Local references — ask for completed jobs in Swansea or West Glamorgan
- Reviews — check online reviews before committing
- Warranty — product and workmanship warranties should be clearly stated in writing
- 3 quotes minimum — we recommend comparing at least three quotes to ensure you get a fair price
Questions about heat pumps in Swansea
How much do heat pumps cost in Swansea?
How many heat pump grants have been paid in Swansea?
Is there a grant for heat pumps in Swansea?
The Boiler Upgrade Scheme offers up to £7,500 towards an air source or ground source heat pump in Swansea, or £9,000 until March 2027 for homes heated by oil or LPG with no mains gas. It is open to property owners in England and Wales.
How long is the payback period in Swansea?
Do I need planning permission in Swansea?
How do I find a good installer in Swansea?
Get quotes for your home in Swansea
Up to three approved installers who cover Swansea may contact you. Free, no obligation.
Swansea on the map
Heat Pumps in nearby towns
Last reviewed: . Costs are modelled estimates from the Home Energy Quotes Cost Index — see how we calculate them. Grant rates are checked against GOV.UK.