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How to Choose a Bathroom Fitter in Sussex: One Room, Several Trades, One Clear Plan

A project-management guide to choosing a bathroom fitter in Sussex and avoiding gaps between plumbing, electrics, tiling, waterproofing and finishing.

TradeKind 22 September 2026 5 min read
Bathroom fitter installing a vanity unit in a partially renovated UK bathroom

Key takeaway

A bathroom quote should make clear who owns every trade and every interface; the biggest problems often occur between plumbing, electrics, waterproofing, tiling and finishing rather than within one task.

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If you are choosing a bathroom fitter in Sussex, make sure one person is clearly responsible for coordinating the plumbing, electrics, waterproofing, tiling and finishing — or know exactly where each responsibility changes hands.

Bathrooms are small rooms with a surprising number of trades.

That is why unclear interfaces cause so many delays.

Decide whether you want one contractor or separate trades

You can run a bathroom project in two ways.

One main bathroom fitter/contractor

They coordinate the trades and hand you one programme.

You manage separate trades

You book plumber, electrician, plasterer, tiler, decorator and others yourself.

Neither model is automatically better.

The first is simpler.

The second may give more control but makes you the project manager.

Know which one you are buying before comparing prices.

Write down the room layout

Before final quotes, establish:

  • bath or shower;
  • WC location;
  • basin location;
  • radiator/towel rail;
  • shower controls;
  • niches;
  • extractor fan;
  • lighting;
  • sockets outside restricted zones;
  • door swing;
  • storage.

Moving drainage and water supplies can change costs significantly.

A quote based on “new bathroom” is not enough.

The strip-out can reveal hidden work

Bathrooms hide:

  • rotten flooring;
  • previous leaks;
  • poor pipework;
  • inadequate supports;
  • damaged walls;
  • old electrical alterations;
  • mould/moisture damage.

Ask what happens if problems are uncovered.

A reasonable quote may contain a clear assumption such as:

“Price assumes existing floor structure is sound; repairs quoted separately if uncovered.”

That is better than pretending hidden work cannot exist.

Waterproofing needs an owner

The wettest area of the house should not rely on assumptions.

Ask:

  • what backing boards are used;
  • whether tanking is included;
  • which areas are waterproofed;
  • who installs it;
  • how shower trays/baths are sealed into the system;
  • how penetrations are treated.

Do not accept:

“The tiler will probably sort that.”

unless the tiler has actually agreed to it.

Electrical work needs proper coordination

Bathrooms have restrictions around electrical installation because water is present.

If the project includes:

  • new lighting;
  • extractor;
  • electric shower;
  • heated mirror;
  • underfloor heating;
  • new circuits;
  • socket changes nearby;

clarify who the electrician is and what certification/notification is required.

GOV.UK lists electrical work near baths and showers among work that may require Building Regulations approval or competent-person handling.

Ask before the walls are closed.

Ventilation is part of the finished bathroom

A beautiful bathroom that stays wet for hours after every shower can develop problems.

Discuss extraction:

  • fan location;
  • duct route;
  • outlet;
  • controls;
  • noise;
  • airflow;
  • replacement air path.

If the existing fan is poor, a refurbishment is a good time to review it.

Tiling should be designed, not just measured

Agree:

  • tile size;
  • layout;
  • grout;
  • trims;
  • niches;
  • feature walls;
  • floor transitions.

If large-format tiles are used, wall flatness and handling may increase labour.

The Sussex tilers section can help if you are managing that trade separately.

Clarify who supplies what

Make a supply list.

Common client-supplied items:

  • suite;
  • taps;
  • shower;
  • tray;
  • screen;
  • tiles;
  • mirror;
  • accessories.

Common contractor-supplied items:

  • pipe/fittings;
  • boards;
  • adhesives;
  • grout;
  • waterproofing;
  • valves;
  • wastes.

But do not assume.

If you supply a product that arrives damaged or wrong, ask how that affects the programme and labour charges.

Check dimensions before ordering

Online bathroom purchases make it easy to buy items before the room is properly measured.

Be careful with:

  • bath lengths;
  • shower tray sizes;
  • door clearances;
  • vanity depth;
  • WC projection;
  • concealed cistern frames;
  • screen swing;
  • radiator widths.

For a tight bathroom, a few centimetres matter.

If a fitter is responsible for installation but not supply, ask them to confirm key sizes before you order.

Landlords: optimise for repair access

Rental bathrooms need to be maintainable.

Think about:

  • access to valves;
  • removable bath panels;
  • standard tap cartridges;
  • replaceable shower parts;
  • durable grout/sealant;
  • simple extraction controls.

Concealing every pipe can look tidy but create expensive future access if no service panels are provided.

The handover should include more than a clean room

Before final payment, collect:

  • electrical certificates where relevant;
  • product warranties;
  • shower/boiler information;
  • spare tiles;
  • paint colours;
  • sealant/maintenance advice;
  • photos of concealed pipework if available.

Test:

  • taps;
  • wastes;
  • shower;
  • WC;
  • extraction;
  • heating;
  • lights.

Look for leaks before the installer leaves.

Drainage falls and hidden pipe routes matter

Moving a WC or shower is not only a design decision.

Waste pipes need workable routes and falls.

Before committing to a layout, ask whether:

  • the floor void has enough depth;
  • joists obstruct the route;
  • the soil connection is practical;
  • boxing-in will be needed;
  • the ceiling below needs opening;
  • pumps are being proposed and why.

A bathroom design that works on paper can become awkward once drainage is considered.

Product lead times can stop the whole room

A missing shower valve, damaged tray or delayed vanity can leave multiple trades unable to finish.

Before strip-out, confirm that critical items are either on site or genuinely available.

At minimum, know the lead time for:

  • shower/tray/bath;
  • concealed valves;
  • WC frame/cistern;
  • bespoke glass;
  • vanity;
  • tiles.

If something is special-order, decide whether the project should wait before demolition begins.

Using TradeKind

You can browse bathroom fitters across Sussex or post the project.

A useful job description says:

“Full bathroom replacement in Bognor Regis. Same WC position, shower replacing bath, new vanity, floor and wall tiling. Suite/tiles not yet purchased. Looking for one contractor to coordinate plumbing, electrics and tiling.”

That is much more useful than “bathroom needs doing”.

Before you choose

Ask:

  • Who manages the whole project?
  • Who is the plumber?
  • Who is the electrician?
  • Who owns waterproofing?
  • What is supplied by whom?
  • What happens if hidden damage is found?
  • How is ventilation handled?
  • What certificates will I get?
  • What access is left for future repairs?
  • What is the expected programme?

A bathroom is not one trade.

The best fitter is often the person who manages all the interfaces clearly enough that it feels like one project.

Frequently asked questions

What should a bathroom fitter quote include?

The quote should make clear demolition, plumbing, electrics, waterproofing, tiling, plastering, ventilation, sanitaryware fitting, waste, decorating and who supplies each item.

Does a bathroom need a registered electrician?

Electrical work in or near bathrooms can fall under specific Building Regulations and safety requirements. Use an appropriately competent/registered electrician for work that requires it and clarify certification before work starts.

Who should waterproof a shower area?

Responsibility must be explicit. It may be the bathroom fitter or tiler, but somebody should own the waterproofing specification and installation before finishes hide it.

Should I buy the bathroom suite myself?

You can, but agree who checks dimensions, delivery damage, compatibility, missing parts and return issues. Client-supplied products can shift risk back to you.

Can I post a bathroom renovation on TradeKind?

Yes. State the town, room size, whether layout is changing, what you are supplying and whether you want one contractor to coordinate the full job.

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