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London regional cost guide

Bathroom Renovation Cost in London

Current 2026 national benchmarks adjusted with the transparent UK Home Costs London planning model, plus worked London examples.

Last reviewed: 1 September 2026 · 1.28× regional model · Methodology

Modelled bathroom average£8,950
Planning context£7,050–£10,250 typical; £17,900+ high-end model
This page does not claim to measure observed contractor prices in London. It starts with dated UK benchmarks, applies the stated UK Home Costs modelling assumption and rounds the result for early budgeting.

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Bathroom renovation benchmark in London

Current UK new-bathroom range£5,500–£8,000
UK average£7,000
London modelled typical range£7,050–£10,250
London modelled average£8,950
UK high-end / complex reference£14,000+
London modelled high-end reference£17,900+

Bathroom calculator bands in London

These are the same planning bands used by the live calculator before optional layout and underfloor-heating additions. Values are modelled low · typical · high.

Budget refresh£5,100 · £7,050 · £8,950
Standard new bathroom£7,050 · £8,950 · £11,500
High-end / complex£11,500 · £17,900 · £25,600

Common UK bathroom extras

Old bathroom removal£600–£1,000
Electrical workAround £900
Wall tiling£950–£1,250
All plumbing first + second fix£1,500–£3,000
Underfloor heatingAround £100 / m²
Layout reconfiguration / new studworkAround £1,750

What can change a real London quote?

  • Bathroom size and finish level
  • Moving toilet, bath, shower or basin positions
  • Wall and floor tiling area
  • Bath, shower and enclosure specification
  • First- and second-fix plumbing
  • Electrical work and ventilation
  • Underfloor heating, plastering and decoration

Local planning considerations

Dense access, parking, deliveries and contractor overheads can widen the spread between quotations, so use the figures as an early budget rather than a quote.

  • Allow separately for parking, loading, permits or restricted delivery windows where a property has difficult street access.
  • Flats and managed buildings can add landlord, freeholder or building-management requirements that are outside a basic works estimate.
  • Party-wall, structural and access costs should be checked independently on extensions, lofts and major internal alterations.

How the regional model works

The 1.28× factor places this planning estimate 28% above the national planning baseline. We keep that modelling assumption separate from the dated national benchmark so users can see which part comes from an external source and which part is UK Home Costs modelling.

Sources

Checkatrade

How Much Does a New Bathroom Cost in the UK?

Published / checked: March 2026

Used for: Bathroom installation and renovation benchmarks

View source ↗

Frequently asked questions

How much does a bathroom renovation cost in London in 2026?

The current UK new-bathroom benchmark is £5,500–£8,000 with a £7,000 average. The model gives £7,050–£10,250 typical and about £8,950 average.

How much can a high-end bathroom cost in London?

Current UK guidance says larger, high-end or complex bathrooms often reach £14,000+. The modelled London reference is around £17,900+.

Why is the London bathroom estimate different from the UK benchmark?

The live calculator applies the 1.28× regional model to the project and to modelled layout or underfloor-heating additions.

What commonly adds to a bathroom renovation quote?

Removal, plumbing changes, tiling, electrical work, underfloor heating, replastering, layout changes and premium sanitaryware can increase the total.

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