System Boiler Installation Cost
Full breakdown of system boiler installation costs — boiler price, labour, cylinder, and extras.
Typical cost£1,400 – £3,200
System Boiler Installation Cost Guide
A system boiler installation typically costs between £1,400 and £3,200 depending on the boiler model and whether a new hot water cylinder is required.
What's Included
- New system boiler supply and fit
- Hot water cylinder (if required): £300–£600 extra
- Flue, controls, and filter
- safety certificate
System vs Combi Cost Comparison
System boilers cost more upfront than combis because of the separate hot water cylinder. However they're better suited to larger homes with higher hot water demand and can be more efficient long-term.
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