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Heat pump installation in King's Lynn
Heat Pump Installation | King's Lynn | Updated March 2026

Heat Pump Installation in King's Lynn, Norfolk

Replace your boiler with a low-carbon heat pump and claim the £7,500 Boiler Upgrade Scheme grant. MCS-certified engineers based 30 miles away in Isleham. 0% VAT. Free home survey.

Heat Pumps in King's Lynn

Much of King's Lynn and the surrounding Norfolk countryside is off the gas grid, meaning many homes rely on oil, LPG, or electric heating — all significantly more expensive than a heat pump. A heat pump replaces your boiler entirely, using electricity to extract heat from outdoor air and deliver it to your radiators and hot water cylinder at around 3–4× the efficiency of direct electric heating.

£7,500

Government grant

3.0–4.5×

Typical CoP (efficiency)

60–80%

Carbon saving vs gas

Heat Pump Costs in King's Lynn — After the £7,500 Grant

All prices include the £7,500 BUS grant deducted at point of purchase and 0% VAT.

System SizeProperty TypeFull CostAfter GrantAnnual Saving
5–6 kW1–2 bed home£7,000–£10,000£0–£2,500£610–£720
8–10 kW3-bed semi£8,000–£13,000£500–£5,500£610–£720
10–12 kW4-bed detached£11,000–£18,000£3,500–£10,500£610–£720

Savings based on replacing oil heating at 6p/kWh heat vs heat pump at 3.5 CoP and 28p/kWh electricity. Gas replacements typically save less but carbon savings are higher.

Heat Pump Brands We Install in King's Lynn

Daikin Altherma 3 H HT

7 years warranty

Output: 4–16 kW

A+++ rated, SCOP up to 5.43, 70°C flow temp, 38 dB

View Daikin Altherma 3 H HT details

Vaillant aroTHERM Plus

7 years warranty

Output: 5–15 kW

Quiet Mark certified, R290 natural refrigerant, 75°C flow

Get a quote

Mitsubishi Ecodan R290

7 years warranty

Output: 4–14 kW

UK market leader, largest installer network, SCOP 3.5–4.5

Get a quote

Samsung EHS Mono

5 years warranty

Output: 5–16 kW

Excellent value, compact design, SCOP 3.5–4.8

Get a quote

Grant Aerona³ R32

7 years warranty

Output: 6–17 kW

Budget-friendly, installer favourite, SCOP up to 5.0+

Get a quote

£7,500 Boiler Upgrade Scheme — How It Works

The BUS grant is paid directly to Green Hat, who deducts it from your installation cost. You pay the net figure — you never touch the grant money or deal with the application. To qualify, your property must have a valid EPC with no outstanding loft or cavity wall insulation recommendations. We check eligibility during the free survey and manage the full application.

No grant paperwork for you to complete
EPC eligibility checked at free survey
Grant deducted from invoice — instant benefit
Available until at least 2028
0% VAT on heat pump installation
ECO4 also available for qualifying properties

How Heat Pump Installation Works

1

Free home survey and heat loss calculation

We visit your King's Lynn property to measure room-by-room heat loss, assess insulation, check radiator sizes, and identify the right heat pump model and output. No charge, no obligation.

2

Detailed quote and BUS grant application

We provide a fixed-price quote showing the full cost, grant deduction, and net cost to you. We then apply for the BUS grant on your behalf before scheduling the installation.

3

Installation — typically 2–3 days

Our MCS-certified engineers fit the external unit, internal cylinder (if needed), controls, and connect to your existing pipework and radiators. Disruption is minimal — most King's Lynn homeowners remain in the property throughout.

4

Commissioning and handover

We commission and test the system, set weather compensation curves for your property's heat loss profile, and walk you through the controls. Your MCS certificate is registered, activating all manufacturer warranties and grant compliance.

Off-Gas Heating in King's Lynn — Why Heat Pumps Are the Answer

King's Lynn and West Norfolk is one of England's top areas for off-gas heating. Over 50% of new builds in King's Lynn and West Norfolk district installed ASHPs in 2018–2023 — the highest rate in England. Rural PE31–PE34 postcodes are predominantly oil and LPG heated.

The £7,500 BUS grant means most off-gas King's Lynn properties can switch to a heat pump for £2,500–£5,000 net — with annual savings that pay this back in 2–4 years.

Local Grant Support for King's Lynn Heat Pumps

Norfolk Warm Homes Partnership (King's Lynn & West Norfolk Borough Council). PE30–PE34 postcodes eligible. The Norfolk Warm Homes Local Grant funds heat pumps + insulation packages. Solar must be part of wider retrofit. West Norfolk also has strong Agricultural Solar support.

The £7,500 BUS grant applies to all King's Lynn properties regardless of income. Income-qualified households may also access additional local authority funding. We check full eligibility during your free survey.

Warm Homes Plan from 2027 — Register Interest Now

The Warm Homes Local Grant (replacing ECO4 from January 2027) offers up to £15,000 for eligible households in King's Lynn to cover insulation, heat pumps, solar panels, and battery storage. Eligibility is income-based (household income under ~£36,000) with no benefit requirement — significantly broader than ECO4.

Solar-Powered Heating in King's Lynn

King's Lynn and the Fens receive 1,040+ kWh/m² solar irradiance. The coastal and fenland topography means flat horizons and maximum solar exposure — generating up to 15% more electricity per kWp than midland or northern sites. When combined with solar panels, a heat pump in King's Lynn can run on free electricity for much of the year — reducing heating costs by an additional 30-50% beyond the heat pump efficiency gains alone.

Complete Home Energy System in King's Lynn

A heat pump works best as part of a complete renewable energy system. Solar panels generate free electricity to power the heat pump, a battery stores surplus for overnight heating demand, and an EV charger completes the package. For King's Lynn households, the combined system typically reduces total energy costs by 60-80% and eliminates fossil fuel dependency entirely.

Why Choose Green Hat for Heat Pumps in King's Lynn?

King's Lynn has several local providers including Solar Panels King's Lynn, CRC Electrical & Renewables, and Redwood Renewables. Green Hat Renewables differentiates through our full-service approach and deep experience with food processing and industrial buildings that dominate the local commercial landscape.

  • Experience with King's Lynn food processing industry buildings and cold storage facilities
  • Full-service provider: solar, battery, heat pumps, EV chargers, insulation, and MVHR
  • Commercial solar expertise for warehouses, factories, and agricultural buildings
  • Construction background means we handle complex industrial roof structures
  • We serve the entire West Norfolk area from Hunstanton to Downham Market

Heat Pump Installation Timeline in King's Lynn

King's Lynn surveys booked within 7-10 days. Commercial projects on industrial estates typically 6-10 weeks. Residential installations 4-6 weeks from survey. Heat pump installations include the BUS grant application, which we manage in full. From survey to commissioning, most King's Lynn installations are completed within 6-8 weeks.

Heat Pump Coverage in King's Lynn

Postcodes Covered
PE30, PE31, PE32, PE33, PE34
Local Authority
King's Lynn and West Norfolk Borough Council

Frequently Asked Questions — Heat Pumps in King's Lynn

Get a Heat Pump in King's Lynn — Free Survey & £7,500 Grant

Get your free, no-obligation survey and personalised quote. Our MCS-certified team is ready to help you switch to clean, affordable energy.