- Area
- South Glamorgan
- Postcode district
- CF64
- Nation
- Wales
- Nearby
- Dinas Powys, Cardiff, Barry
Homes in Penarth and the wider CF64 district can book a free survey for installation enquiries. Nearby we also cover Dinas Powys (about 2 miles west) and Cardiff.
Heat pump services in Penarth
All services in Penarth:
Grants and rules for heat pumps in Wales
Homes in Penarth can use the Boiler Upgrade Scheme, which applies in Wales as well as England: £7,500 towards an air source heat pump, or £9,000 when it replaces oil or LPG heating for installations from 21 July 2026 to 31 March 2027. The MCS-certified installer named in your quote applies and deducts the grant.
Installing heat pumps is zero-rated for VAT across the UK until 31 March 2027. Wales has its own permitted development rules for air source heat pumps, so we check what applies to your property, including listed building and conservation-area constraints, at the survey.
Heat pump guide prices in Penarth
Guide prices for Penarth and the rest of South Glamorgan are shown below, installed and inc VAT. We publish ranges rather than a single figure because design details move the price, and the written quote after survey fixes it.
| Home | Typical size | Installed guide price | After £7,500 grant |
|---|---|---|---|
| 1–2 bedroom flat or small terrace | 4–5 kW | £9,500–£12,500 | £2,000–£5,000 |
| 2–3 bedroom terrace or semi | 5–7 kW | £10,500–£13,500 | £3,000–£6,000 |
| 3 bedroom semi or small detached | 6–9 kW | £12,000–£15,500 | £4,500–£8,000 |
| 4 bedroom detached | 8–12 kW | £14,000–£18,000 | £6,500–£10,500 |
| 5+ bedroom or larger older house | 11–16 kW | £16,500–£22,500 | £9,000–£15,000 |
Installed, inc VAT: unit, cylinder, controls, minor pipework and commissioning.
Winter daylight and heating in Penarth
On the shortest day Penarth gets about 7 hours 50 minutes of daylight, and the winter sun reaches only around 15° above the horizon at noon. Winters this far south are milder than in most of the UK, which helps a heat pump run at low flow temperatures for much of the season.
Heat pumps in Penarth: questions
Can you service a heat pump in Penarth that someone else installed?
Yes. We arrange servicing and repairs for most air source heat pumps in Penarth, whoever fitted them. Tell us the make and model when you book.
Where would the outdoor unit go on a Penarth house?
Usually at the side or rear, on a level base with space around it for airflow and servicing, away from bedroom windows where possible. The surveyor checks positions at your Penarth home.
Do I need new radiators for a heat pump in Penarth?
Often some, not all. Heat pumps run best at lower water temperatures, so rooms with small radiators may need larger ones. The survey of your Penarth home gives a room-by-room list.
Do you cover Dinas Powys as well as Penarth?
Yes. We arrange surveys and installation in Dinas Powys, which is about 2 miles west of Penarth, and across South Glamorgan.

