Is the £7,500 Boiler Upgrade Scheme grant available in County Durham?

Yes. County Durham sits in England, which is covered by the Boiler Upgrade Scheme (BUS). An MCS-certified installer applies for the grant on your behalf and deducts it from your invoice — you never handle the £7,500 directly. Eligibility requires owner-occupier or private-rented tenure, a valid EPC less than ten years old, and any loft or cavity wall insulation recommendations on that EPC to be cleared before the grant applies.

What's the typical EPC band for homes in County Durham?

Across 167,712 EPC certificates lodged for County Durham, the median rating is band C. This is in line with the typical UK profile and means a sizeable share of properties have insulation upgrades on the table before a heat pump install. About 49% of homes sit at band D or below — the cohort with the strongest fabric-first retrofit case before commissioning a heat pump.

How much does a heat pump cost in County Durham?

Pre-grant install costs in County Durham typically run £8,000 to £14,000 for a 5–10 kW air-source unit. E12000001 labour rates sit close to the UK average. After the £7,500 BUS grant most homeowners pay £1,500 to £6,500 net. The figure within that range depends on heat-loss sizing, whether radiators need upgrading, and hot-water cylinder provision. A binding quote needs an MCS-certified heat-loss survey under BS EN 12831.

Do most County Durham homes need insulation upgrades before a heat pump?

Based on the EPC sample for County Durham, around half local homes carry an unaddressed loft or cavity wall insulation recommendation on their current EPC. The BUS rules require these to be cleared (either completed or formally exempted) before the grant applies. Typical clearance work — loft top-up to 270mm and cavity wall insulation — costs £400–£3,500 combined and can often be done under the Great British Insulation Scheme or ECO4 for eligible households.

Which MCS-certified heat pump installers cover County Durham?

We list MCS-certified installers with a service area covering County Durham further down this page, ranked by proximity to the area centroid and by verified reviews from Google and Checkatrade. Every installer shown is certified to install air-source heat pumps and processes the £7,500 BUS grant on your behalf. For the full directory — with distance, review counts, and BUS-registered status — see our dedicated heat pump installers page for County Durham.

Is County Durham on the mains gas grid?

Around 92% of homes in County Durham are heated by mains gas, based on the local EPC sample. The rest — typically oil, LPG or electric storage — see the biggest running-cost saving from a heat pump because they're switching away from a much dearer fuel. Homes on gas still qualify for the £7,500 BUS grant; the ongoing bill saving is smaller but the carbon and comfort case is the same.

Heat pumps in County Durham: cost + BUS grant

What the EPC data shows for County Durham

We’ve aggregated the current Energy Performance Certificate band for 167,712 properties in County Durham, drawn live from the GOV.UK EPC Register. The median home in our sample sits at band C, with 39% falling into band C and 38% in band D. Around 49% of homes are at band D or below — the cohort with the most realistic retrofit upside.

EPC band distribution across 167,712 properties in County Durham
Band	Properties	Share	Retrofit context
Band A	1,501	0.9%	Already exceptional; heat pump replaces fossil heat directly
Band B	19,009	11.3%	Strong fabric; heat-pump-ready after minor checks
Band C	65,036	38.8%	Typical retrofit candidate; small upgrades likely
Band D	63,566	37.9%	Insulation prerequisites likely; well-suited post-upgrade
Band E	14,992	8.9%	Insulation recommendations typically required for BUS
Band F	2,782	1.7%	Significant fabric improvements before heat pump fit
Band G	826	0.5%	Fabric-first retrofit before any heat-pump consideration

EPC band distribution across 167,712 properties in County Durham— Source: GOV.UK EPC Register. Sample collected 2026-05-14.

The typical County Durham home

What the EPC data shows beyond the headline rating — useful context for sizing a heat-pump install.

Floor area: median 76 m² (25th–75th percentile: 62–91 m²). Heat-pump sizing scales roughly with floor area — expect a 5–8 kW unit at the median.
Current heating cost: median £814/yr (£639– £1,033 typical range). The number an installer’s running-cost saving projection sits against.
Mains gas connection: 92% of properties. Most homes are replacing a working gas boiler — the payback case depends heavily on tariff choice + smart scheduling.
Property type mix: Detached 19%, End-Terrace 14%, Mid-Terrace 30%, Semi-Detached 35%.
Dominant age band: England and Wales: 1950-1966 (21% of homes). Sets the fabric-first work expected before commissioning.

Does the Boiler Upgrade Scheme apply in County Durham?

Yes. County Durham is in England, where the Boiler Upgrade Scheme (BUS) pays £7,500 toward an air-source heat pump install. The grant is administered by Ofgem and deducted by the installer at the point of invoice — you never see the cash. To qualify, the property must be owner-occupied or privately rented, have a valid EPC issued in the last 10 years, and have no outstanding loft-or-cavity insulation recommendation on the EPC (unless an exemption is documented). In our sample of County Durham EPCs the median rating is band C, which means most homes need to clear at least one insulation recommendation before the installer can claim the grant.

Typical install cost in County Durham

Pre-grant install costs in County Durham typically run £8,000 to £14,000 for a 5–10 kW air-source unit, in line with UK averages — labour rates in E12000001 sit close to the national mean. After the £7,500 BUS deduction most County Durhamhomeowners pay £1,500 to £6,500 out of pocket. The figure within that range that applies to your property depends on three things: heat-loss sizing (set by floor area, fabric and air-tightness), radiator upgrades (most pre-2000s homes need at least one or two changed), and hot-water cylinder provision. An MCS-certified engineer issues the binding quote after a heat-loss calculation per BS EN 12831.

What this means for your home

Whether a heat pump is a good fit for your specific home in County Durhamdepends on three factors the EPC alone can’t answer: roof + outdoor space for the external unit, radiator sizing throughout the heating circuit, and your current heating fuel + tariff. Propertoasty’s free pre-survey check combines your address, an EPC pull, the Google Solar API’s roof data, and a floorplan vision analysis to produce an installer-ready report — typically takes about five minutes.

Run a free pre-survey check on your home — installer-ready report, BUS-eligibility verdict, sizing range, and a list of MCS-certified installers covering County Durham.

Typical monthly heating cost in County Durham

Based on the median County Durham home in our EPC sample — a semi-detached house around 76 m² — here’s what the two options look like on a like-for-like monthly total. Boiler numbers assume a £3,300 installed cost on 9.9% APR / 5-year finance plus a typical £20/mo service plan. Heat-pump numbers apply the £7,500 Boiler Upgrade Scheme grant and 0% APR / 10-year finance on the net cost of £6,500.

Monthly heating cost for a typical 76m² semi-detached house in County Durham
Line	New gas boiler	Air-source heat pump
Finance	£70/mo	£54/mo
Energy	£92/mo	£103/mo
Service / cover	£20/mo	Not required
Total per month	£182/mo	£157/mo

Monthly heating cost for a typical 76m² semi-detached house in County Durham— Illustrative — engine defaults for UK gas (7p/kWh + standing charge) and standard-tariff electricity (27p/kWh). Cheaper heat-pump tariffs push the saving further.

At today’s standard tariffs, that’s about £25/mo cheaper with the heat pump — roughly £300 a year. The gap grows on a dedicated heat-pump tariff (e.g. Octopus Cosy at 15p/kWh) and as gas prices rise relative to electricity across the 10-year finance term.

How County Durham compares

Compared with the England + Wales average band-D share of roughly 45%, County Durham’s 38% sits below the national midpoint. Bands E and worse — typical pre-1930s homes without significant retrofit — make up 11% of the local sample, which compares to the E&W average of around 22%.

Heat pump cost by property size

Typical heat pump sizes for a home in County Durham, with UK average install costs from government figures. The right-hand column shows what you actually pay after the £7,500 grant is deducted.

Home size	Yearly usage	System size	Full price	What you pay after grant
1-bed / flat	≈8,000 kWh heat / yr	5 kW ASHP	£9,500	£2,000
2-3 bed	≈12,000 kWh heat / yr	7 kW ASHP	£12,500	£5,000
4-5 bed	≈18,000 kWh heat / yr	11 kW ASHP	£15,500	£8,000

These are UK-wide averages — your actual quote will vary with your roof, insulation, and installer. A guide only; your installer’s final quote will differ.

Also in County Durham

Every service page below is generated from the same local EPC + MCS-installer data as this one — pick whichever matches what you’re researching:

Solar panels in County Durham: cost + payback — guide + local EPC data.
MCS heat pump installers in County Durham — directory, distance-ranked.
MCS solar panel installers in County Durham — directory, distance-ranked.

EPC aggregate data contains public sector information licensed under the Open Government Licence v3.0 (© Crown copyright and database right).