A modelled 2026 planning range for a bathroom renovation in London is £4,000 to £16,000, with a mid-range reference point near £8,000. This is a currency-adjusted planning baseline, not a local contractor quote. Room size, scope, labour, permits and finish choices can move real bids materially.
Bathroom renovation cost (London, 2026)
| Budget level | Illustrative model allowance | What you get |
|---|---|---|
| Budget | £4,000 | Refresh: decorating, light updates, keep existing layout and fittings. |
| Mid-range | £8,000 | Most popular: new fittings and finishes, quality materials, professional labour. |
| Luxury | £16,000 | High end: premium or bespoke materials, layout changes, specialist trades. |
What affects the cost
- Room size — larger bathrooms need more materials and labour.
- Quality of finishes — budget, mid-range and premium materials vary widely in price.
- Labour and location — tradespeople in London charge different day rates.
- Structural changes — moving walls, plumbing or electrics adds significantly to the cost.
- How much you keep — retaining the existing layout and sound fittings saves the most.
Frequently asked questions
How much does a bathroom renovation cost in London?
In 2026 a bathroom renovation in London uses an illustrative model band of £4,000 and £16,000, with a published model reference near £8,000.
What is the cheapest way to renovate a bathroom?
Keeping the existing layout, refreshing rather than replacing fittings, and doing decorating yourself keeps a bathroom renovation near the budget end of around £4,000.
What pushes a bathroom renovation towards the luxury end?
Premium materials, bespoke joinery, moving services or walls, and high-end labour push costs towards the luxury range of about £16,000 or more.
Can I preview my bathroom redesign before paying for the work?
Yes. A verified Remodelling Centre account includes two watermarked image concepts. Upload your room photo to compare visual directions, then check fit, technical decisions and actual product and work quotes separately. Processing time varies.