- Area
- Dorset
- Postcode district
- DT4
- Nation
- England
- Guide price
- From £250 inc VAT
- Survey
- Free for installation enquiries
Before you book: heat pump radiator upgrades in Weymouth
A heat pump suits most Weymouth homes, but the details decide how efficiently it runs. Our survey looks at insulation, radiators and hot water use room by room.
We plan radiator upgrades in Weymouth so floorboards are lifted only where pipework genuinely needs changing. For period homes in Weymouth and across Dorset, column radiators can keep the character of a room while giving enough heat at low temperatures.
We size each radiator to your room-by-room heat loss so a heat pump can heat your home at a low, efficient flow temperature.
- Rooms with little wall space, where a fan-assisted radiator fits better
- Rooms that already feel slow to heat, such as bay-windowed living rooms
- Extensions and loft conversions with large areas of glazing
What's included
- Room-by-room heat loss figures for every heated room
- Pipework checks and any agreed pipe upgrades
- Draining, refilling, cleaning and inhibitor treatment of the heating system
- Making good around brackets and pipe routes, with any decorating agreed in your quote
- Supply and fitting of new radiators, valves and brackets
Extensions and kitchen-diners around Weymouth with large glazed areas get their own radiator calculation.
Grants and rules for heat pumps in England
Homes in Weymouth can use the Boiler Upgrade Scheme, which takes £7,500 off the cost of an air source heat pump when it replaces fossil-fuel or electric heating. Replacing oil or LPG heating qualifies for £9,000 for installations from 21 July 2026 to 31 March 2027, and air-to-air systems for £2,500. The MCS-certified installer named in your quote applies for the grant and deducts it from the price.
There is no VAT on installing a heat pump anywhere in the UK until 31 March 2027. In England most houses can have an air source heat pump under permitted development, provided the unit meets the MCS noise and siting standards; the old 1 m boundary limit was removed on 29 May 2025. We flag listed buildings, flats and sensitive conservation-area positions at survey.
Heat pump radiators costs around Weymouth
Here are typical prices for heat pump radiator upgrades in Dorset, installed and including VAT. Use the guide price tool for a figure based on your home, then a survey confirms it in writing.
| Work | Guide price |
|---|---|
| Replacement radiator, sized for a heat pump (each, fitted) | £250–£450 |
| Upgrade of about 10 radiators | £2,000–£5,050 |
| Pipework upgrade (e.g. microbore to larger bore) | £1,500–£3,550 |
Installed, inc VAT. The survey lists which radiators need changing.
Winter daylight and heating in Weymouth
On the shortest day Weymouth gets about 7 hours 58 minutes of daylight, and the winter sun reaches only around 16° 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.
From survey to switch-on in Weymouth
- Start online with a guide price or call us.
- A home survey in Weymouth gives us the room-by-room heat loss.
- Your written quote sets out the design, the price and the grant position where you live.
- Installation is booked for dates that suit you; most homes take 2–4 days on site.
- After commissioning you get a handover of the controls and settings, plus the certificates.
Heat pump radiator upgrades in Weymouth: questions
How long does installation take in Weymouth?
Most installations take 2–4 days on site. Jobs with several radiator changes or new pipework take longer, and your quote for a Weymouth home states the expected time.
Can you service a heat pump in Weymouth that someone else installed?
Yes. We arrange servicing and repairs for most air source heat pumps in Weymouth, whoever fitted them. Tell us the make and model when you book.
Do you cover Dorchester as well as Weymouth?
Yes. We arrange surveys and installation in Dorchester, which is about 7 miles north of Weymouth, and across Dorset.
Do I need new radiators for a heat pump?
Not necessarily: many homes keep most of their radiators and replace only a few. The heat loss survey checks each room against its existing radiator at the planned flow temperature. Rooms with large windows, high ceilings or extensions are the usual candidates for an upgrade, while bedrooms often need no change. Your radiator schedule lists every decision.
How much does a heat pump radiator cost?
A replacement radiator sized for a heat pump has a guide price of £250–£450 each, installed and including VAT. Upgrading about ten radiators in a typical home has a guide price of £2,000–£5,000. The final price is fixed in your written quote after the survey, once the radiator schedule shows exactly which radiators change.

