Air Source Heat Pumps in Bristol
MCS-certified air source heat pump installation across Bristol's BS postcodes, from Victorian terraces to new-builds. We handle the heat loss survey, the £7,500 Boiler Upgrade Scheme grant and the paperwork.
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Microgeneration Certification Scheme
NAPIT Registered
National Association of Professional Inspectors
RECC Member
Renewable Energy Consumer Code
Free heat pump quote in Bristol
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What a heat pump looks like in a Bristol home
Three in four Bristol households still heat with mains gas: 75.0% of the city's 191,638 households in the 2021 Census, with renewable-only heating at 0.2%. So almost every Bristol heat pump we quote is a gas boiler replacement in a house that was never designed for one. That shapes the job more than the brand of unit does.
The starting point is a room-by-room heat loss calculation, not a rule of thumb. It tells us the size of unit you need, which radiators (if any) need upsizing to run at a low flow temperature, and how big the hot water cylinder should be. Bristol homes are no worse insulated than average on paper (the median EPC score is 69, the same as England), but the spread between a 1990s semi in Bradley Stoke and a solid-walled terrace in Easton is large, and the survey is where that shows up.
If you are comparing products rather than places, our air source heat pump guide explains how the technology works and what running costs look like in the South West.
Bristol property types, and what changes on each
| Property | Typical areas | What we look at |
|---|---|---|
| Victorian and Edwardian terraces | Bedminster, Southville, Easton, Bishopston, Totterdown | Space for the outdoor unit in a rear yard, distance to the neighbour's window for noise, solid walls, room for a cylinder |
| 1930s semis | Horfield, Knowle, Filton, Henleaze | Side access for the unit, cavity and loft insulation status, radiator sizes in the larger rooms |
| Flats and conversions | Clifton, Redland, Cotham | Freeholder consent, the 0.6 m³ permitted development limit for flats, and whether the block may join a heat network |
| Modern and new-build homes | Bradley Stoke, Emersons Green, Hengrove Park | Usually the simplest jobs: good insulation, standard layouts, and often solar already on the roof |
Costs and the £7,500 grant
The Boiler Upgrade Scheme pays £7,500 towards an air source heat pump. As an MCS-certified installer we apply on your behalf and the grant comes straight off the invoice. Installed prices before the grant typically run from £8,000 to £15,000 depending on unit size, cylinder, pipework and radiator changes, so the survey quote is the number to plan around. Finance options are on our finance page.
Planning: what changed in 2025
From 29 May 2025 the permitted development rules for heat pumps in England were relaxed (SI 2025/560): a house can have an outdoor unit up to 1.5 m³, up from 0.6 m³, and a detached house can have two. Flats keep the 0.6 m³ limit. Listed buildings still need consent, and Bristol has 33 conservation areas, so for homes in Clifton, Cotham, Redland or Totterdown we check where the unit will sit before we design.
Heat networks: why Bristol is different
Bristol is one of six areas in the government's heat network zoning pilot, and Vattenfall's Bristol Heat Network, part of the council's City Leap partnership, already serves the equivalent of about 11,500 homes, mainly larger buildings in the centre. For a house, an individual heat pump is still the normal route. For a flat in a block, ask your managing agent whether a network connection is planned before you commit.
Pairing a heat pump with solar in Bristol
A heat pump turns your heating into an electricity bill, which is why many customers add panels. In Bristol each kWp of south-facing panels makes about 1,022 kWh a year, but most of it arrives between April and September. Solar covers hot water and mild-weather heating well; for January you want a battery charged on a cheap overnight rate. See solar panels Bristol and battery storage Bristol for the rest of the system.
Heat pumps in Bristol: the local facts, with sources
Every figure on this page, with the source it comes from.
75.0% of Bristol homes heat with mains gas
In the 2021 Census, 75.0% of Bristol's 191,638 households used mains gas only for heating, 13.0% electric only, 1.3% a heat network and 0.2% renewable only.
£7,500 Boiler Upgrade Scheme grant
The Boiler Upgrade Scheme pays £7,500 towards an air source or ground source heat pump in England and Wales, claimed by your MCS-certified installer.
Bigger units allowed since 29 May 2025
The 2025 amendment to permitted development raised the outdoor unit limit for houses from 0.6 m³ to 1.5 m³ and allows two units on a detached house. Flats stay at 0.6 m³.
Source: legislation.gov.uk: SI 2025/560
A heat network zoning pilot city
Bristol is one of six areas in the government's heat network zoning pilot (announced October 2024). Vattenfall's Bristol Heat Network serves the equivalent of about 11,500 homes across 35 connected buildings.
Source: GOV.UK: six towns and cities to pilot heat network zoning (Oct 2024) · Vattenfall Heat UK: Bristol Heat Network (Aug 2025)
33 conservation areas
Bristol City Council lists 33 conservation areas. Listed buildings need consent for a heat pump, and we check unit position on any conservation-area home before design.
Median EPC score 69
Bristol homes with an EPC have a median energy efficiency score of 69 (England: 69), and 51.0% are band C or above. Insulation level drives heat pump size and running cost more than anything else.
Source: ONS: median energy efficiency score · ONS: EPC band C or above, by local authority
Facts checked 18 October 2026. Yield figures are PVGIS modelled estimates, not a guarantee; your survey quote uses your own roof.
Heat pump questions from Bristol homeowners
Can I get the £7,500 Boiler Upgrade Scheme grant in Bristol?
Yes. The Boiler Upgrade Scheme pays £7,500 towards an air source heat pump in England and Wales, including Bristol. Your MCS-certified installer applies for it and takes it off your invoice; you need a valid EPC for the property.
Will a heat pump work in a Bristol Victorian terrace?
Usually, yes, once the heat loss is known. Terraces lose less heat through shared party walls; the questions are where the outdoor unit goes in a small rear yard, whether some radiators need upsizing and where a hot water cylinder fits. A room-by-room heat loss survey answers all three.
Do I need planning permission for a heat pump in Bristol?
Most houses do not. Since 29 May 2025 permitted development allows an outdoor unit up to 1.5 cubic metres on a house, and two units on a detached house (flats stay at 0.6 cubic metres). Listed buildings need consent, and in Bristol's 33 conservation areas we check the elevation before design.
Is Bristol getting heat networks instead of heat pumps?
Bristol is one of six areas in the government's heat network zoning pilot, and Vattenfall's Bristol Heat Network already supplies the equivalent of about 11,500 homes, mostly larger city-centre buildings. If you live in a flat in a block, ask your managing agent about connection plans; for most houses an individual heat pump remains the route.
Can I run a heat pump from solar panels in Bristol?
Partly. Panels in Bristol make around 1,022 kWh per kWp a year, most of it from spring to autumn when heating demand is low. Solar covers hot water and shoulder-season heating well; a battery and an off-peak tariff do more of the work in winter.
Related Bristol services
- Solar panels Bristol: local yield, grid and planning facts
- Battery storage Bristol: store cheap overnight power for winter heating
- EV charger installation Bristol: add a charger at the same visit
- Air source heat pumps explained: how they work and running costs
- Grants and funding: Boiler Upgrade Scheme and other support
Solar & Battery Across the South West
Wherever you are in the region, our MCS-certified team covers solar panels Bristol, solar panels Cheltenham, commercial solar Thornbury, commercial solar panels, air source heat pumps, battery storage Bristol and commercial solar Yate.
