Typical planning cost£4,500–£14,000
Broader project range£3,500–£25,000+
Planning figures are estimates rather than quotations. Live calculators combine dated UK benchmarks with clearly separated modelling assumptions such as region, size, condition and specification.
What affects the cost?
Bathroom costs are driven by plumbing changes, tiling area, waterproofing, sanitaryware and the quality of fittings.
- Room size
- Moving soil or water pipes
- Bath versus shower specification
- Tiling area and tile choice
- Underfloor heating
- Ventilation and electrical work
Typical cost breakdown
Sanitaryware20–30%
Tiling & finishes20–30%
Plumbing20–30%
Electrical & ventilation5–10%
Labour & contingency20–30%
Regional planning examples
The examples below apply our published modelling factor to the same national benchmark. They are not claimed as observed city-wide average quotes.
London£7,050–£17,900
Manchester£5,150–£13,150
Birmingham£5,400–£13,700
Glasgow£5,250–£13,300
Cardiff£5,000–£12,750
Sources used for this guide
Checkatrade
View source ↗How Much Does a New Bathroom Cost in the UK?
Published / checked: March 2026
Used for: Bathroom installation and renovation benchmarks
Frequently asked questions
Does moving the bathroom layout cost more?
Usually yes. Relocating toilets, showers and basins can add pipework, labour and sometimes structural work.
Related costs
Cost guide
Kitchen renovation
Estimate the cost of kitchen units, worktops, appliances, fitting, plumbing, electrics and finishes in the UK.
£7,000–£30,000+View guide →Cost guidePlumber hourly rate
Typical planning ranges for UK plumber hourly charges and common additional costs.
£45–£90 / hourView guide →Cost guideTiler day rate
Typical UK tiler day and hourly rates for wall and floor tiling.
£200–£350 per dayView guide →