Bathroom budget planner
Bathroom Renovation Cost Calculator UK
Get an instant indicative range for your UK bathroom renovation. Adjust the size, suite quality, scope and your region to see a budget estimate based on current UK supply and installation rates.
Typical fitted budget
£4,000–£18,000+
Biggest cost drivers
Suite quality, tiling, plumbing changes
Best use
Budgeting before bathroom quotes
Mid-range example
A realistic bathroom finish for the kind of projects this calculator is meant to budget.
Bathroom cost snapshot
Tiling, plumbing and wet-room scope move the total fast
Use the calculator first, then compare the outcome against the bathroom cost guide and shower-vs-bath comparison before you request quotes.
Remember
Moving wastes or reworking waterproofing usually has a bigger budget effect than homeowners expect.
Good next step
Compare walk-in shower vs bath if layout decisions are still open.
Estimated Bathroom Cost
Indicative range. Not a quote. Includes a 10% contingency.
Cost Breakdown
| Suite & Sanitaryware | — |
| Labour & Fitting | — |
| Tiling | — |
| Plumbing & Electrical | — |
| Contingency (10%) | — |
| Estimated Total | — |
How We Estimate
- • Prices reflect UK average supply and installation costs through qualified tradespeople.
- • Wet room estimates include tanked flooring, drainage modifications and full waterproofing.
- • Region multipliers apply to labour rates only.
- • This tool does not constitute a formal quote. Always obtain at least 3 written quotes.
- • Last updated: Q2 2026.
Quick answers for UK homeowners
How much does a bathroom renovation cost in the UK?
A bathroom renovation can vary widely depending on room size, tiling, plumbing moves, suite quality, waterproofing and labour in your region.
What costs are easy to miss?
Common hidden costs include plumbing alterations, electrical work, ventilation, subfloor repairs, tanking and disposing of the old bathroom.
Can I use this before getting quotes?
Yes. Use the calculator to set a sensible budget range, then compare it with detailed quotes from local trades.
Related planning pages