Bathroom plumbing cost in the UK
Bathroom plumbing in the UK typically costs between £1,000 and £2,800 in labour for a full bathroom refit, depending on how much pipework has to be moved. Smaller jobs such as replacing a toilet or basin tap run £80–£250 in labour; a complete relocation of soil and waste runs can exceed £3,500.
Homeowners researching this typically also price up bathroom renovation cost in the uk, shower installation cost in the uk and plumber hourly rate in the uk. For wider context, browse our kitchen pricing, boiler & heating costs and trades day rates.
Cost table
| Item | Typical range (GBP) |
|---|---|
Replace WC (like-for-like) | £120–£280 |
Replace basin & tap | £100–£250 |
Replace bath (like-for-like) | £250–£600 |
Install new shower (mixer + valve) | £200–£600 |
Full bathroom refit plumbing | £1,000–£2,800 |
Relocate soil pipe / move WC | £400–£1,200 |
Labour costs
UK bathroom plumbers usually price per job for refits and per hour for repairs. Day rates run £200–£320 outside London and £280–£420 in London.
| Item | Typical range (GBP) |
|---|---|
Plumber hourly rate | £45–£80/hr |
Plumber day rate (UK avg) | £200–£320/day |
Plumber day rate (London) | £280–£420/day |
Strip-out of old bathroom | £200–£500 |
First fix (pipework before tiling) | £450–£1,100 |
Second fix (fit suite after tiling) | £400–£900 |
Materials costs
Most plumbers itemise materials separately. Copper and push-fit fittings, isolation valves and flexible connectors dominate the parts list.
| Item | Typical range (GBP) |
|---|---|
Copper pipe (per metre) | £6–£14/m |
Push-fit fittings (each) | £2–£8 |
Isolation & service valves | £6–£20 |
Flexible tap connectors (pair) | £8–£25 |
Soil pipe + boss (3 m) | £40–£120 |
Waste trap & fittings | £12–£50 |
Per-fixture plumbing rates
| Item | Typical range (GBP) |
|---|---|
Fit supplied WC | £120–£250/each |
Fit supplied basin & tap | £100–£220/each |
Fit supplied bath | £250–£500/each |
Fit supplied shower valve & head | £180–£450/each |
Factors affecting cost in the UK
- ·Whether the layout stays the same or moves — moving the WC is the biggest cost driver.
- ·Pipe material — copper costs more in materials and labour than plastic push-fit.
- ·Access — solid concrete floors require chase channels and re-screeding.
- ·Boiler type — combi vs vented systems affect pressure and pump needs.
- ·Region — London adds 25–35% to plumber day rates.
Ways to reduce cost
- ·Keep the layout identical — same toilet, basin and bath positions.
- ·Buy the suite yourself from a trade merchant and have the plumber fit only.
- ·Group all small plumbing jobs into one visit to share the call-out and day rate.
- ·Use push-fit pipework in concealed runs — faster install and easier future access.
- ·Get a fixed-price quote for refit work; reserve hourly rates for diagnostic and repair only.
Frequently asked questions
- How much do plumbers charge for a bathroom refit?
- Typically £1,000–£2,800 in labour for the full plumbing scope on a standard 5–8 m² bathroom, depending on layout changes and pipework condition.
- How long do bathroom plumbers take?
- 4–8 working days across first fix and second fix on a standard refit. Tilers and decorators work in between fixes.
- Do I need a Gas Safe plumber?
- Only if work involves a gas appliance such as a boiler. Standard bathroom plumbing does not require Gas Safe registration.
- Is a fixed-price quote better than hourly?
- Yes for refits — it transfers cost risk to the plumber. Hourly suits diagnostics and small repairs only.
- Should I use copper or plastic pipe?
- Copper for visible runs and high-temperature feeds; plastic push-fit for concealed runs. Most modern UK installs mix both.
- Will my home insurance cover plumbing leaks?
- Most policies cover damage from a one-off escape of water, but exclude gradual leaks and the cost of fixing the failed pipe itself.