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Showers & wet rooms

Bath replacement, from like-for-like swaps to freestanding baths

Bath replacement means taking out an existing bath and fitting a new one in the same bathroom, with new taps or a filler, waste, panel and seals, while the rest of the room stays as it is. Most swaps take one to two working days.

From £900 inc VAT1–2 working daysFree home survey
New bath fitted with a panel, taps and tiled surround

A tired bath is often the one thing wrong with an otherwise sound bathroom. The enamel has chipped, the acrylic has gone dull or cracked near the waste, or the bath creaks and the silicone splits every few months because it was never supported properly. Replacing just the bath fixes that without the cost or disruption of a full refit, provided the new bath fits the space and the tiles around it can be repaired or renewed.

Before quoting, we look at the size of the opening, the condition of the floor, where the waste and supplies come in, and how the tiles meet the bath. Most like-for-like swaps cost £900 to £1,800 including VAT. Shower baths run £1,400 to £2,500 with a screen and re-tiling, and freestanding baths £2,500 to £6,000, depending mostly on the bath itself and the filler you choose.

What does a replacement bath with us include?

  • A survey of the bath opening, the floor, the waste route, the supplies and the tiles around the bath
  • Removal of the old bath, including breaking up a cast-iron bath in place where it will not come out whole
  • Supply of the new bath, taps or filler, waste and overflow, and bath panel
  • Levelling the bath on adjustable feet or a cradle, with timber battens fixed to the walls under the rim
  • New flexible connectors or pipework, with isolation valves on the hot and cold supplies
  • Filling the bath before sealing, so the silicone cures with the bath at its heaviest
  • Tile repairs or re-tiling around the bath, and a fixed screen where there is a shower over it
  • Leak testing at the waste, overflow and taps, taking the old bath away and a final clean

How much does a replacement bath cost?

Our UK guide range is £900–£2,500 including VAT. Typical prices by kind of job:

Shower bath

£1,400–£2,500
  • P or L-shaped shower bath
  • Bath screen and shower
  • Re-tiling to the bath area

Freestanding bath

£2,500–£6,000
  • Freestanding acrylic or stone resin
  • Floor or wall-mounted filler
  • Floor reinforcement check

National guide prices including VAT, reviewed October 2026. London is typically about 25% higher and the North East, Wales and Northern Ireland around 7–12% lower. Your written quote after the survey is the price that counts.

What do you need to decide?

Acrylic or steel

Acrylic is warm to the touch, light and the usual choice; thicker, reinforced acrylic flexes less. Enamelled steel is rigid and hard-wearing but feels colder, and needs sound-deadening pads to stop it drumming.

Shower bath

A P-shaped or L-shaped bath is wider at the shower end, giving room to stand and space for a fixed screen instead of a curtain.

Freestanding bath

Acrylic freestanding baths are manageable on most floors; stone resin and cast iron are much heavier when full. You need room to clean round the bath and a plan for where the waste and filler come up.

Size

Most UK baths are 1700 × 700 mm. Going longer or wider than the old bath means re-tiling and checking that the new one fits up the stairs.

Taps or filler

Deck taps on the rim are the simplest swap. Wall-mounted taps or a bath filler look cleaner but mean opening the wall, and an overflow filler hides the spout altogether.

Bath panel

Acrylic panels are cheap and easy to clean; wood-effect panels match fitted furniture; a tiled panel on a frame looks built-in but needs an access hatch for the waste.

How does the job run?

  1. Measure and check

    We measure the opening wall to wall, check the floor for soft spots and note how the waste and supplies reach the bath.

  2. Choose and confirm

    You pick the bath, taps and panel. The quote lists each one, and the price is fixed in writing once they are agreed.

  3. Take out the old bath

    Water off, supplies isolated, sealant cut, and the old bath eased out with as little damage to the tiles as possible.

  4. Fit and level

    The new bath goes onto its feet or cradle, the wall battens are fixed, and the waste and supplies are connected and tested.

  5. Seal and finish

    Tiles are repaired or replaced, the panel goes on, and the silicone is run with the bath full before a final clean.

Who is it right for?

  • Bathrooms in good order apart from a chipped, cracked or stained bath
  • Homes with a shower over the bath that needs a shower bath and a proper screen
  • Larger bathrooms with space for a freestanding bath as the centrepiece
  • Landlords who need a quick turnaround between tenancies

What should you watch out for?

  • Measure the route in as well as the opening: a 1700 mm bath has to get up the stairs and round the landing
  • Tiles that sit on the bath rim rarely survive the old bath coming out, so budget for repairs or re-tiling that wall
  • Ask what is under the floor before choosing a heavy freestanding bath; joists may need checking or strengthening
  • Check that your boiler or cylinder can fill a larger bath at a sensible rate; a deep bath on a low flow takes a long time

What rules apply to a replacement bath?

Replacing a bath in an existing bathroom does not need planning permission, and a straight swap is not normally building regulations work. New taps or a filler must meet the water fittings rules where you live, including backflow protection. If the new bath is much heavier than the old one, such as a cast-iron or stone resin freestanding bath, the floor needs checking, and strengthening joists is structural work that may need building control approval.

England

In England, Part G limits the hot water to a new bath to 48 °C at the outlet, usually with a thermostatic mixing valve, but only in a new dwelling or one created by a change of use. It does not apply to a replacement bath in an existing home, though a thermostatic valve is still sensible where children or older people bathe. New wiring for a shower over the bath or new lights is notifiable under Part P.

Wales

Wales sets its own building regulations, including a Part P with a wider list of notifiable electrical work than England. A like-for-like bath swap is not usually building regulations work, but speak to building control before strengthening a floor for a heavy bath.

Scotland

In Scotland, the Scottish Water Byelaws 2014 cover new taps, fillers and backflow protection. A replacement bath does not normally need a building warrant, but structural work to the floor for a heavy bath may.

Northern Ireland

In Northern Ireland, the Water Supply (Water Fittings) Regulations (Northern Ireland) 2009 apply to the new taps or filler. Building control is involved only if the floor structure or drainage is altered.

FAQ

Bath replacement: your questions answered

How much does it cost to replace a bath?

Replacing a bath with a similar one usually costs £900 to £1,800 including VAT, supplied and fitted, with the old bath removed and the tiles around it repaired. A shower bath with a screen and re-tiling costs £1,400 to £2,500, and a freestanding bath £2,500 to £6,000. Prices in London run roughly a quarter above these national figures.

How long does a bath replacement take?

Most bath replacements take one to two working days. The first day covers removal, fitting and connection; the second is usually tiling and sealing, especially where tiles around the bath need replacing. Most sanitary silicone then needs around 24 hours before the bath is used.

Can you replace a bath without removing the tiles?

Sometimes. If the tiles stop just above the rim with a silicone joint and the new bath is the same size, they can often stay. If the tiles sit on the bath edge, the bottom row usually cracks or comes away when the old bath is cut out. We tell you which applies at the survey and show tile repairs as a separate line on the quote.

What size is a standard bath in the UK?

The most common UK bath is 1700 mm long and 700 mm wide. 1500 mm and 1600 mm baths suit smaller rooms, and 1800 mm lengths or 750 to 800 mm widths give more room to lie back. Matching the old size keeps the tiling and panel work to a minimum.

Is a steel bath better than acrylic?

Neither is better for everyone. Enamelled steel has a harder surface that resists scratches and does not flex, but it feels colder and can be noisy without sound-deadening pads. Acrylic is warmer, lighter and comes in more shapes; a thick, reinforced acrylic bath on a proper cradle is very solid.

Can I replace my bath with a freestanding bath?

Yes, if the room has space around the bath for cleaning and the floor can carry the weight. The waste and filler usually come up through the floor or from a wall-mounted filler, so floorboards come up at the bath position. Stone resin and cast-iron baths are heavy when full, so we check the joists before you order one.

Why does the seal around my bath keep splitting?

A seal that keeps splitting usually means the bath moves when it is filled. If the bath was not supported on its feet and wall battens, or the silicone was run with the bath empty, the joint stretches every time the bath is used. Re-sealing alone will not last; the bath needs supporting properly first.

Do I need a plumber or a bathroom fitter to replace a bath?

Either can do a straightforward swap, because the job is mostly plumbing followed by tiling and sealing. If a shower over the bath or new lights are part of the job, the electrical side needs a qualified electrician. We cover the plumbing, tiling and electrics on one quote, and bath to shower conversions too if you decide to lose the bath.

Ready for a bathroom that fits properly?

Book a free home survey. You get a measured layout and an itemised written quote before any work starts.