How to price adding a new radiator
Pipe runs, fittings, TRVs and lifting floorboards: how to quote an extra radiator off an existing heating system in the UK.
For plumbers in the UK. Prices checked November 2026.
Worked example
“Add a new radiator in the extension, about 6 metres from the nearest heating pipe.”
| Material | Qty | Cost | |
|---|---|---|---|
| Double panel convector radiator 600 x 1000mm | 1 | £75.00 | |
| Thermostatic radiator valve pack 15mm | 1 | £22.00 | |
| 15mm copper pipe 3m length | 4 | £64.00 | |
| 15mm copper fittings assortment | 1 pack | £12.00 | |
| 15mm pipe clips pack of 10 | 2 pack | £8.00 | |
| Central heating inhibitor 500ml | 1 | £16.00 | |
| Labour, 5.9 hours at £55.00/hour | £324.50 | ||
| Transport | £25.00 | ||
| Total | £546.50 |
Typical UK retail prices including VAT, November 2026. Not VAT-registered example; add 20% to the total if you are. Rate is an example: use your own.
Where the time goes
- Drain down and refill heating system1.5 h
- Lift floorboards, run and connect pipework3.1 h
- Hang and connect radiators1.3 h
Before you quote
- The pipe run decides the price: measure it and note floor coverings.
- Check the boiler has capacity for another radiator.
How the quantities are worked out
Each material is counted in the units merchants sell it in, with normal waste allowed, so you can order straight from the list. Labour is the on-site time for one competent tradesperson, including setting up, testing and clearing up. Change the measurements and the whole quote moves with them; that's what Quotable does for you on every job, with each material priced live at UK merchants.
Quote this job with today's prices
Type the job, check the lines, send a link your customer can accept and pay. Every material is priced live and linked to the product.