Independent UK planning guide
Hot-water cylinder costs in the UK
Replace or upgrade a vented or unvented cylinder with valves, controls and commissioning.
Get site-specific quotesTypical UK range
£1,200–£3,000
Straightforward jobs
From £900
Typical site time
1–2 days
Build the allowance
How to read this price
Starting allowance
For a straightforward, accessible job with a standard specification.
From £900
Typical UK project
An early planning range before a tradesperson inspects the property.
£1,200–£3,000
Likely programme
Site time varies with preparation, sequencing, approvals and drying periods.
1–2 days
These figures are early UK planning allowances. They are not a substitute for an itemised quotation after inspection.
Control the variables
What can change the quote?
Fuel type and required registration
Pipework route and system condition
Controls, flushing and balancing
Commissioning and certification
Before accepting a quote
Ask for these details in writing
- ✓Labour, materials and VAT
- ✓Preparation and protection
- ✓Access equipment and waste
- ✓Named provisional allowances
- ✓Testing and certification
- ✓Programme and payment stages
- ✓Making good and decoration
- ✓Warranty and snagging process