Water Heater Installation Cost
£200–£1,200
electric or gas supply-and-install range
Updated
Electric water heaters typically cost £200–£700 supplied and installed; gas models typically cost £450–£1,200.
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How much does each option cost?
| Type / scope | Typical cost | Notes |
|---|---|---|
| Electric water heaterSupply and installation | £200–£700 | Supply and installation |
| Gas water heaterSupply and installation | £450–£1,200 | Supply and installation |
What would yours cost?
Those are the usual ranges. Tell us what's wrong and we'll tell you the price for your home.
on your first booking
What affects the price?
- Gas or electric system
- Capacity and specification
- Pipework, flue, ventilation, and electrical upgrades
What's included in the price?
- The heater, connections, labour, and disposal stated in the quote
- Testing and commissioning
How long does it take?
A straightforward replacement can be completed within a day; new services or upgrades take longer.
Do I need one?
Gas models require a Gas Safe engineer; electrical and unvented-cylinder work require appropriate competence.
How do you avoid overpaying?
- Replace in the same location where suitable
- Compare quotes using the same capacity and installation scope
Frequently asked questions
We’re happy to answer all your questions.
Sources & References
Before you book, read what to check before a plumber starts.
Need a plumber?
Tell us the job. We'll tell you the price, then find a local tradesperson.