£8,800 – £15,400 for a heating and cooling system
What most homeowners spend; the full range runs £5,500–£32,900 by scope. That’s about 22% above the UK national average for London.
Get a free quote from local pros →Cost swings widely with what you're actually doing — a cosmetic refresh and a full replacement are different projects. Here's the range at each scope.
In London, England, most homeowners spend £8,800–£15,400 for a heating and cooling system — the full range runs £5,500–£32,900 depending on scope. London is one of the country’s higher-cost markets — expect prices roughly 22% above the UK national average, driven by higher labor rates, permit costs and steady demand. All figures are in pounds sterling (GBP) and typically include VAT awareness — check whether a quote includes VAT.
Source: ZeroFi estimate · national industry cost ranges, updated 2026-07 · adjusted to London by ZeroFi's local cost index (×1.10). Planning ranges, not quotes — describe your job for a real estimate.
UK "central heating" means a gas boiler and radiators, not ducted AC — home air-conditioning is rare. Air-source heat pumps are the growing low-carbon replacement, so a like-for-like job is usually a new boiler. The regional product — not just labor rates — is why prices differ, so the ranges above reflect London's typical setup.
Read the full hvac system replacement guide →
In London, England, expect £8,800–£15,400 for a heating and cooling system — about 22% above the UK national average. Your exact price depends on system type and capacity for the space and heating, cooling, or both (boiler, heat pump, or split ac). Describe your job to get a real quote from local pros.
London is one of the country’s higher-cost markets — expect prices roughly 22% above the UK national average, driven by higher labor rates, permit costs and steady demand.
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