Small bathroom Cost Calculator
A compact bathroom is one of the best-value rooms to update. In 2026, a small bathroom renovation (around a 2x2m room) costs £3,000-£7,000 in the UK. A budget like-for-like refit is £3,000-£4,500, a mid-range refit £4,500-£6,000, and a premium finish…
Open the calculator →Price small bathroom in 30 seconds
2 steps, using the figures from our cost guide.
How this calculator works
Every figure in this calculator is the one published in the cost table on our small bathroom guide. Pick the option that matches your job and the calculator returns that published range, adjusted for your region - it does not model anything the guide does not already say.
That is deliberate. A calculator whose rates drift from the page it sits under is worse than no calculator, because two numbers on the same site disagree.
What it cannot know: access, the condition of what is already there, and anything structural. Those are what separate three real quotes from each other.
Published small bathroom costs (2026)
| Option | Typical 2026 cost | Notes |
|---|---|---|
| Design & planning | £300–£1,200 | |
| Bathroom plumbing | £900–£2,200 | |
| New suite supplied & fitted | £1,800–£8,500 | |
| Small bathroom renovation | £3,000–£7,000 | |
| Accessible bathroom adaptation | £4,500–£7,500 | |
| Wet room conversion | £6,000–£12,000 |
These are the figures from our small bathroom cost guide.
Small bathroom calculator — FAQs
It uses the same published figures as the cost guide it sits under, adjusted for your region. It is a budgeting estimate, not a quote - only a site visit produces one of those.
Related cost guides
- Small bathroom cost guide — The full price guide
- All bathrooms services — Browse the hub
- All BestBuilders services — Every trade we cover
Get 3 Free Quotes
60 seconds · No spam · No obligation