London · London · 2026 Prices

How much does a new boiler cost in London?

The average cost of a boiler replacement in London ranges from £2,160 to £6,000, with most homeowners paying around £3,600. Prices include VAT.

Boiler Replacement cost summary — London

Budget

£2,160

Average

£3,600

Premium

£6,000

Typical timeframe: 1-2 days. Prices are estimates for London and may vary.

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What affects the cost of a boiler replacement in London?

1

Combi, system, or regular boiler

2

Brand and efficiency rating

3

Moving boiler location

4

New pipework needed

5

Magnetic filter

6

Smart thermostat

Related costs in London

Central Heating Installation

£3,600 – £10,800

Bathroom Renovation

£4,800 – £18,000

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