Ensuite Installation London | Tom Harvey
✓ Free, itemised ensuite quotes across London — response within 24 hours
New Ensuites · Loft Ensuites · Renovation · London

Ensuite bathrooms
created and renovated properly.

A new ensuite adds real value to a London home — and a tired one drags it down. We create ensuites in bedrooms, lofts and box rooms, and renovate existing ones: layout, plumbing, drainage, ventilation, tiling and finishes, all under one quote.

Ensuite Guide 2026
Renovate existing ensuite £3,500–£7,000
New ensuite in existing room £6,000–£12,000
Loft ensuite (with loft works) £8,000–£15,000
Premium spec ensuite £12,000–£20,000+
All prices + VAT at 20%
250+
Bathrooms fitted
4.8★
Google Rating
10yr+
London experience
Free
Written quotes
The honest answer

What an ensuite installation
really costs in London.

Renovating an existing ensuite in London costs £3,500–£7,000 + VAT. Creating a new one — building the stud walls, running new supply and waste, ventilation and electrics, then fitting and tiling — costs £6,000–£12,000, and a premium specification with a walk-in shower, wall-hung sanitaryware and large-format tiles runs to £20,000+.

The cost drivers are whether it's a new room or a renovation, the distance to the soil stack (a macerator or a new drainage run adds cost), the shower type (a walk-in or wet-room tray needs a lower floor build-up), ventilation routing, the tiles and sanitaryware, and whether you want underfloor heating.

Tom Harvey Contractors provides free site visits and itemised written quotes within 48 hours, and we'll tell you honestly whether the room you have in mind can take an ensuite and what the drainage route will be.

Speak to the team today — free advice, no obligation

020 3983 5087
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What's included in our service:

  • Layout and drainage feasibility at the site visit
  • Stud walls, doors and soundproofing for new ensuites
  • New hot and cold supplies and waste runs
  • Macerators or new soil connections where needed
  • Shower trays, wet-room formers and enclosures
  • Wall-hung and close-coupled sanitaryware
  • Extractor fan ducted to outside
  • Electric shower or thermostatic mixer
  • Downlights, shaver socket and towel radiator
  • Wall and floor tiling
  • Plastering, decoration and flooring
  • 12-month workmanship warranty
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Ensuite Installation London Cost

Every ensuite option
clearly priced.

Real ranges from our London ensuite work. Sanitaryware and tiles are supplied by us at trade prices or by you — either way they're a separate line.

Ensuite Renovation
£3,500–£7,000
+ VAT · Existing ensuite · 5–8 days
  • Full strip-out
  • New shower, basin and WC
  • Retiled walls and floor
  • New extractor and lighting
  • Same layout, re-plumbed
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Premium & Loft Ensuite
£12,000–£20,000+
+ VAT · High spec · 3–4 weeks
  • Loft and dormer ensuites
  • Wet-room floors and linear drains
  • Large-format porcelain or stone
  • Underfloor heating
  • Concealed cisterns and niches
  • Designer brassware and vanity units
Get a Quote

Not sure what you need? Let's talk it through.

Free site visit · Written quote within 48 hours · No obligation whatsoever

How it works

Simple process.
No stress.

Every project follows the same clear process so you always know what's happening and when.

1

Contact Us

Call, email or submit online. Tell us about your ensuite and what you want to achieve.

2

Free Site Visit

We visit, measure up and assess. No charge, no obligation.

3

Written Quote

Itemised written quote within 48 hours. Every line clearly priced.

4

The Work

Work starts on the agreed date. Done efficiently, cleanly and to the agreed spec.

Handover

Snagging cleared, 12-month warranty confirmed. Job done properly.

4.8 ★
Google · 65 reviews
9.3/10
Checkatrade
1,000+
Jobs completed
£5m
Public Liability
Ltd Co.
No. 16499315
12mo
All work warranted
Why choose Tom Harvey

What makes us
different.

One contractor, every trade

We coordinate every trade ourselves. One contact, one quote, one handover — no juggling.

Fixed price, written quotes

Every quote is itemised and fixed. What we quote is what you pay — guaranteed. No mid-project surprises.

Fast and efficient

We work efficiently without cutting corners. Clear timelines agreed upfront at quote stage.

Supply and fit available

We source materials at trade prices — or we'll work with your chosen supplier. Both options available.

10+ years across London

1,000+ jobs completed. We've worked in everything from mansion flats to Victorian terraces and new-build towers.

Digital invoicing, VAT registered

Professional itemised quotes and VAT invoices — perfect for landlords, agents and property managers.

Ready to get started?

Free site visit · Written quote within 48 hours · No obligation

Where we work

Covering
all of London.

We cover every London borough and Hertfordshire. Here are the areas we work in most regularly.

All London BoroughsKensington W8Chelsea SW3Knightsbridge SW1XMayfair W1Belgravia SW1WNotting Hill W11Holland Park W11Marylebone W1USt John's Wood NW8Hampstead NW3Islington N1Canary Wharf E14Hackney E8Shoreditch EC2Battersea SW11Fulham SW6Clapham SW4Richmond TW9Westminster SW1St Albans AL1

Don't see your area? Call us — we cover all of Greater London

020 3983 5087
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Common questions

Your questions
answered.

Creating a new ensuite in an existing bedroom costs £6,000–£12,000 + VAT including stud walls, plumbing, drainage, ventilation, electrics, tiling and fitting. Renovating an existing ensuite costs £3,500–£7,000. A loft or premium-spec ensuite is £12,000–£20,000+.
A shower, basin and WC fit comfortably in about 1.5m × 2m (3m²); a compact ensuite can work in 1.2m × 2m with a small shower and a cloakroom basin. We'll draw it at the site visit and check door swings and head height.
Not usually — an ensuite inside an existing house or flat is internal work. Building Regulations do apply (drainage, ventilation, electrics), and we work to them. In a flat, the lease may require the freeholder's consent for new plumbing — we'll flag it early.
Either a new soil connection can be run (best, if the route exists) or a macerator pump can move the waste to the stack. Macerators are quieter and more reliable than they used to be, but a gravity connection is always preferable — we'll look at both.
Yes — a second bathroom is one of the most consistently valued additions, particularly in family homes and two-bed flats. Estate agents routinely cite 3–5% added value, and it noticeably widens the pool of buyers and tenants.
Renovating an existing ensuite takes 5–8 working days. Creating a new ensuite takes 2–3 weeks. Loft ensuites are coordinated with the loft conversion programme.
Yes — we fit ensuites in new lofts and dormers, working with your loft contractor or as part of our own project. Head height under the shower and the drainage route are the two things we check first.
Yes — Building Regulations require mechanical ventilation in any bathroom without an opening window, and it's strongly advisable even with one. We duct extractors to the outside, not into the loft or void.

Thinking about adding an ensuite?

Free site visit across London · Written quote within 48 hours · No obligation

Request Online

Fill in our quick form and we'll respond within 24 hours.

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Call the Team

Speak directly with us. Mon–Fri 8am–6pm.

020 3983 5087

Email Us

Send photos and details and we'll come back with a ballpark cost.

info@tomharvey.co.uk