Updated 25 September 2026
Radiator install cost UK 2026
The going rate for radiator install in 2026 is £150–£250/radiator (labour only). Below: a calculator, what the job involves, materials at three price levels, and the prep that changes the price.
Market band£150–£250/radiator
Worked example, 1 radiator£244
Time on site3 h
Radiator install calculator
Price a real job freeUses your rates, your speed and your receipts.
Market band source: Trade2Base.
What the job involves
| Stage | Task | Typical time |
|---|---|---|
| work | Drain down, refill, bleed and inhibit | 1.5 h |
| work | Fit radiator and valves | 1.5 h per radiator |
Materials at three price levels
| Material | Budget | Trade choice | Premium |
|---|---|---|---|
| Radiator valves (TRV and lockshield) per radiator | £12 Basic TRV set — Room control | £25 Branded TRV set — Reliable heads | £45 Smart TRV set — Room-by-room scheduling |
| Central heating inhibitor 1L | £10 Standard inhibitor — Stops corrosion | £15 Branded inhibitor — Keeps warranty valid | £20 Inhibitor plus leak sealer — Older systems |
Trade prices ex VAT, estimates checked 2026-09-25. Log your receipts in Grafto and your own prices replace these.
What changes the price
- Radiator? like-for-like swap · new position big effect
- Who supplies the radiator? customer · me big effect
Prep to look for
| Condition | Check | Effect |
|---|---|---|
| Sludge in the system | black water from a bleed valve, radiators cold at the bottom | Power flush the system |
| Microbore pipework | 8–10 mm pipes to radiators | Microbore: limits radiator upgrades and blocks easily — flush it |
| Corroded fittings | green or white crust, rust on valves and pipes | Replace corroded valves |
| Possible asbestos lagging | old grey or white pipe lagging | Possible asbestos lagging: stop and test before disturbing |
Questions
How much does radiator install cost in the UK in 2026?
The researched market band is £150–£250/radiator (labour only), from Trade2Base. A worked example of 1 radiator comes to about £220–£277 across budget, trade and premium materials.
How long does radiator install take?
The worked example of 1 radiator takes about 3 hours.
What changes the price of radiator install?
Mainly radiator, who supplies the radiator, plus any prep found on site: sludge in the system, microbore pipework, corroded fittings, possible asbestos lagging.