Heating & Boilers · Greater London

Cost of Air Source Heat Pump Installation in Southwark (2026)

Expect to pay somewhere between £10,400 and £20,800 for air source heat pump installation in Southwark, per system installed. Greater London prices are noticeably above the UK average. Get at least three written quotes before committing — it's a 10 to 15 percent swing in either direction for not much effort.

Typical cost in Southwark +30%
Low £10,400
Typical £15,600
High £20,800
Typical price per system installed Last updated 22 April 2026
  • Gas Safe Registered engineers only
  • OFTEC For oil-fired appliances
  • MCS Heat-pump certification
  • HETAS Solid fuel & biomass

About air source heat pump installation in Southwark

Southwark is a large city of around 318,000 in Greater London. The housing is mostly South East London properties span Victorian terraces, post-war council estates and new-build apartment blocks. That matters: older properties usually mean more pipework, rewiring and retrofit surprises, while newer builds in districts like SE1, SE15, SE16 tend to be quicker jobs with standardised fittings. Local trade prices sit on the expensive side for UK trade work. That's mostly wage levels plus the cost of running a van and a yard in and around Greater London.

London's the deepest trade market in the country, and also the priciest. ULEZ, congestion charge, parking permits, higher van insurance — it all feeds into the day rate. Most decent firms charge a callout and central boroughs run a clear premium over zones 4 and 5. Book two to three weeks ahead if you can.

Heating is a regulated trade. Gas Safe for anything gas, OFTEC for oil, HETAS for wood burners and stoves, MCS for heat pumps. The bulk of the price is the engineer's time, roughly £300 to £500 a day in 2025, plus the appliance. A summer quote on the same job is usually 10 to 15 percent less than a winter emergency one, so don't leave an ageing boiler until October.

Air Source Heat Pump Installation cost breakdown in Southwark

Basic £10,400 – £14,300

7kW unit for a well-insulated 2–3 bed with suitable radiators

Standard £14,300 – £18,200

11kW unit, new cylinder, 3–4 radiator upgrades

Complex £18,200 – £26,000

16kW unit, large property, full emitter upgrade and fabric works

What affects the price of air source heat pump installation in Southwark?

  • Heat pump size (kW output) for the property
  • Whether a hot water cylinder is included
  • Radiator upgrades needed for lower flow temperatures
  • MCS-certified installer rates
  • Boiler Upgrade Scheme grant eligibility (£7,500 off)
  • Outdoor unit siting and pipework runs

Southwark vs the UK average

Southwark sits in the heating & boilers market at a cost multiplier of 1.30× the UK national average. That puts Southwark air source heat pump installation prices at £10,400–£20,800 versus the UK average of £8,000–£16,000 per system installed.

Southwark vs UK national average — per system installed Southwark £10,400 £20,800 UK average £8,000 £16,000
Typical price range, per system installed

Air Source Heat Pump Installation cost calculator — Southwark

Estimated cost in Southwark
£15,015 – £19,110
per system installed

Estimate based on live 2025 UK trade pricing. Always get 3 written quotes before committing.

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Compare prices from vetted, trade-body-certified professionals near Southwark (SE1, SE15, SE16). No obligation, takes about 2 minutes.

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What's typically included in a air source heat pump installation quote

  • MCS certification (required for BUS grant)
  • Supply and install of outdoor and indoor units
  • Hot water cylinder (where specified)
  • Controls and commissioning
  • DNO notification for electrical load

Frequently asked questions

How much does air source heat pump installation cost in Southwark?

Budget £10,400 to £20,800 per system installed for air source heat pump installation in Southwark. Prices here are around 30% more expensive than the UK average. What moves a quote inside that range is mostly heating contractor day rates in Greater London and the specific material list for your job.

How long does air source heat pump installation take in Southwark?

A straightforward air source heat pump installation job in Southwark runs to 3–7 days. You can lose days to things outside the contractor's control — parts on backorder, awkward access, or a firm slotting your job around existing bookings. Ask for a start date and expected finish up front.

What's included in the price of air source heat pump installation in Southwark?

A proper air source heat pump installation quote in Southwark should cover: MCS certification (required for BUS grant); Supply and install of outdoor and indoor units; Hot water cylinder (where specified); Controls and commissioning; DNO notification for electrical load. If any of those aren't itemised on your quote, push back and ask. A written guarantee with a clear warranty period is reasonable to expect on this kind of work.

Is air source heat pump installation cheaper in Southwark than the UK average?

Air Source Heat Pump Installation in Southwark runs around 30% more expensive than the UK average. The UK-wide benchmark for this job is £8,000 to £16,000 per system installed; Southwark quotes tend to land between £10,400 and £20,800. Handy to know what the average actually looks like before you price round.

Do I need planning permission for air source heat pump installation in Southwark?

Most installations fall under Permitted Development, but listed buildings and conservation areas may require planning consent. If the property sits in a conservation area or is listed, ring Greater London Council before you book anything in. It's a free call and saves a world of grief later.