Water Heater Installation Cost
Electric water heaters typically cost £200–£700 supplied and installed; gas models typically cost £450–£1,200.
£200–£1,200
Electric or gas supply-and-install range
Aug 2026
Last updated
What each option costs
| Type | 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 you need done 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
- The heater, connections, labour, and disposal stated in the quote
- Testing and commissioning
Good to know
Before you book, read what to check before a plumber starts.
How to pay less
- Replace in the same location where suitable
- Compare quotes using the same capacity and installation scope
Questions people ask
What needs doing?
Tell us what you need done. We'll tell you the price, then find a local plumber to do the job.