Bathroom Renovation Cost Calculator — UK Prices 2025
Bathroom Cost Calculator
Enter your details for an instant estimate
Total wall and floor area to be tiled
Wet room?
Underfloor heating?
Urgent?
Adds ~20% to labour
Prices automatically adjust for your region
Fill in the details on the left to see your cost estimate
How much does bathroom cost in the UK?
Use our calculator above to get an accurate estimate based on your specific requirements. Prices are based on real quotes from UK tradespeople and updated quarterly.
What affects the cost of bathroom?
- Location: London and the South East are 15–40% more expensive than the national average.
- Size and complexity: Larger or more complex jobs cost proportionally more.
- Material quality: Budget, mid-range and premium specifications can vary by 2–3x.
- Time of year: Demand peaks in spring and summer — book in winter for better availability and pricing.
- Access: Difficult access (scaffolding, confined spaces) adds to labour costs.
How to save money on bathroom
- Get at least 3 quotes from different tradespeople.
- Book during quieter periods (January–March for most trades).
- Be flexible on start dates — tradespeople often discount for convenient scheduling.
- Supply your own materials where possible (but confirm with your tradesperson first).
- Combine jobs — having multiple trades on site at once can reduce overall costs.
How to find a good tradesperson
Always check reviews on Checkatrade, Rated People or MyBuilder. Ask for references from recent similar jobs. Ensure they are appropriately qualified and insured. Never pay the full amount upfront — a deposit of 10–25% is standard.
Frequently asked questions
How much does a bathroom renovation cost in the UK?
A bathroom renovation in the UK costs between £3,000 and £15,000. A budget bathroom suite and tiling costs around £3,000–£5,000, a mid-range renovation £5,000–£9,000, and a luxury bathroom with underfloor heating and premium tiles can cost £10,000–£20,000.
How long does a bathroom renovation take?
A typical bathroom renovation takes 5–10 days. A simple suite swap takes 3–5 days, while a full renovation with tiling and underfloor heating takes 7–14 days.
What is the most expensive part of a bathroom renovation?
Labour is typically the biggest cost, accounting for 40–60% of the total. Tiling is particularly labour-intensive. The suite itself (bath, toilet, basin) is usually 20–30% of the budget.
Is underfloor heating worth it in a bathroom?
Electric underfloor heating in a bathroom costs £500–£1,500 to install and adds around £50–£100/year to energy bills. It significantly improves comfort and adds value, making it worthwhile for most homeowners.
Do I need a plumber for a bathroom renovation?
Yes, a qualified plumber is required for any work involving water supply, waste pipes, or gas. In the UK, gas work must be carried out by a Gas Safe registered engineer.