In North Norfolk', "King's Lynn and West Norfolk the average household spends £1,308 a year on heating — 36% higher than the UK average of £960. Typical homes are 103.0 m² with 5.0 rooms. The local population is around 868 residents (Census 2021). Switching to an air-source heat pump could save up to £523 a year for an average home after the £7,500 Boiler Upgrade Scheme grant.


Areas covered

Walsingham, Houghton St Giles, North Barsham

Typical air-source heat-pump installation costs range from about £6,000 at the low end to roughly £18,000 at the high end. Most homes fall somewhere between £7,000 and £15,000. These prices are before the £7,500 BUS grant (in addition, qualifying rural and island homes in Scotland may receive a further £1,500 uplift under the Home Energy Scotland scheme, for up to £9 000 of grant funding).

Installation costs in North Norfolk', "King's Lynn and West Norfolk are slightly above the UK average.

CategoryNational cost range Adjusted for NR22 (×1.05) Net after £7,500 BUS grant
Small flats / simple installs £ 6,000 – £ 7,000 £ 6,300 – £ 7,350 from ~£ 1,000*
2–3-bed semis / moderate upgrades £ 8,000 – £ 12,000 £ 8,400 – £ 12,600 from ~£ 1,000*
Large detached / extensive work £ 13,000 – £ 18,000 £ 13,650 – £ 18,900 £ 6,150 – £ 11,400

* Minimum net costs rarely fall below £1,000 after grant, since most installs incur at least minor extra work.

Lower end
  • Minimal groundwork or plumbing modification required
  • Well-insulated homes that only need a compact ASHP unit
Mid end
  • Moderate radiator or underfloor-heating upgrades
  • Typical pump size (8–12 kW)
Upper end
  • Large detached houses or older properties needing major pipework
  • Extensive insulation or radiator replacement
  • Multi-zone controls and bespoke system design

Heat pump FAQs

How much does a heat pump cost here?

About £3,700 for a typical 3-bedroom home after the £7,500 grant.

How much can I save on heating bills?

Roughly £523 per year for the average home at current price-cap rates.

  • £1,308 Average Heating Cost UK avg £960
  • 103.0 m² Median Floor Area UK avg 84.7 m²
  • 5.0 Average Rooms UK avg 4.4

Local energy snapshot

Latest tariff window: 2025Q4

Ofgem region & price cap

Eastern · 26.53p/kWh · 48.25p/day

PV potential (south-facing)

1,015 kWh per kWp/year

Dwelling mix

House 81.2% Flat 3.3% Bungalow 15.2% Detached 26.4% Semi-detached 49.6% Terraced 22.6%

EPC certificates

367 on record

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Also in Your Area: Solar Panel Potential

Heat pumps increase electricity usage. Solar panels can offset your higher bills.

Without heat pump:

Solar saves ~£843/year
Payback: 12.1 years

With heat pump:

Solar saves ~£1,011/year
Payback: 10.1 years

  • Typical system 5 kW
  • Installation cost ~£10,200
  • Annual generation 5,076 kWh

See detailed solar data for NR22 →

Data from our sister site, Solar By Postcode UK

Compare nearby areas: NR19 (Breckland) · NR20 (Breckland, North Norfolk, Broadland, South Norfolk) · NR21 (Breckland', 'North Norfolk', "King's Lynn and West Norfolk) · NR23 (North Norfolk', "King's Lynn and West Norfolk) · NR24 (North Norfolk) · NR25 (North Norfolk)

Heat Pump Installation & Ownership Guide

Timeline, planning rules, maintenance and what to expect

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