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Whether you're designing a space-saving wet room or a full family bathroom suite, you'll need to work out exactly what you need to buy to make your dream a reality.
Read this guide for expert advice on how to plan and buy your new bathroom suite, from choosing your shower to picking a loo.
We've also consulted the Royal Institute of Chartered Surveyors (RICS), which publishes average building work and repair costs, to find out how much a bathroom suite costs in 2024.
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In June 2023, we asked 6,833 bathroom owners how satisfied they were with their experience of buying their bathroom. The top retailer scored 83% while two others propped up the bottom of the table with 67%.
We also asked what they thought of the quality and durability of the products they bought. The highest-scoring brand scored a very impressive 87% – the lowest just 67%.
Find out which bathroom retailers are recommended – and whether cheap bathroom suites go the distance – in our assessment of the best and worst bathroom brands
We've spoken to thousands of people about how they cut the cost of their bathroom and worked with the Royal Institution of Chartered Surveyors (RICS), which publishes average building work and repair costs, to bring you the average price of a new bathroom.
Which? members can log in now to unlock the average prices, as well as what can increase the cost of fitting a bathroom.
If you're not already a member, join Which? for instant access.
Bathroom size | Price from | Price to |
Terraced house – 3.5m2 | ||
Semi-detached house – 4m2 | ||
Detached house – 6.5m2 |
These prices include the cost of removing the existing bathroom, installing new bathroom units including bath, wash hand basin, WC, vanity unit, fittings, flooring, wall tiling and decoration.
Follow our step-by-step guide to bathroom installation for advice on choosing and hiring a professional bathroom fitter
Making the most of the available space in your bathroom is key. Take measurements before heading out to showrooms – you don't want to fall in love with a suite only to discover it won't fit.
If you can, talk to a bathroom specialist who can help you design a practical space. Tell them your budget and, ideally, try to find a company that can show you 3D images of what the bathroom will look like.
Some companies also offer online bathroom planners you can access from home, which is useful if you want to play around with designs before speaking to anyone or if you are unable to travel to the nearest showroom.
If you'd prefer to use someone independent, visit Which? Trusted Traders to find recommendations of tradespeople who've been through our rigorous checks. You can also use our search tool below.
Whoever you opt for, we'd recommend plotting out the plan on the floor using tape or paper so you can really get a sense of how the space will work.
A sale can be a good way to shave hundreds of pounds off your bathroom, especially if you get a great deal on an entire bathroom suite.
Bathroom retailers run frequent sales, regular multiple offers and use countdown clocks to encourage customers to order while prices are low.
However, make sure you don't get sucked in by seemingly unmissable headline prices or soon-to-end deals: you might not save as much as you think.
Some companies aren’t always clear about when their promotions are going to end. They may have at least one promotion running most – or even all – of the time. Some retailers may also confuse shoppers with mix-and-match offers.
For further money-saving tips, read 5 ways to cut the cost of your new bathroom or how to update a bathroom on a budget
As well as asking people how satisfied they are with their bathroom and the company they bought it from, we also asked them to rate the different fixtures and fittings individually.
See the results in our guide to the best bathroom sinks, taps, toilets, baths and showers.
Read on for our advice on choosing different bathroom fixtures.
Shower enclosures come in numerous shape and sizes, or you could choose to go for a standalone shower screen for a wet-room look.
Think about the space you have and what shape would work best. There are four common types:
Most shower screens and trays come in set sizes. You can get bespoke ones made, but will cost more.
Consider how much room you will need inside the shower – you don't want to end up banging your elbows every time you wash.
Don’t go too big and make the rest of your bathroom feel cramped. We'd suggest marking out the space to see how it will feel.
Think about its position, too. Will it go into a corner, is there a designated space or walls it can go into, or would you like to have it in the middle of a wall with three sides, making a feature of it?
The type of doors you have will impact the position too. Sliding doors are great for saving space, while hinged/pivot and bi-fold doors will need enough room to accommodate them.
Don't forget about the thickness of the glass. This ranges from around 4mm (curved screens tend to be thinner) to 10mm. The thicker it is, the more durable it's likely to be. Toughened safety glass is a particularly good choice if you have small children or a walk-in shower.
You can also get glass with a special coating to help reduce build-up from soap. Frameless glass will give you a sleek finish but can be more liable to chip, so not a great choice for a family bathroom.
You'll also have to choose the type of shower you want – electric, power, mixer or digital – and the shower head. To learn more about the different types of showers, explore our guide to the best showers .
Bathroom sinks come in a vast array of shapes, sizes and designs, including:
Consider your sink's height and position – you don't want to have to stoop down to it, for example, or for it to be somewhere awkward to access.
Don't just be swayed by the look. Think about how easy it will be to clean, particularly if you live in a hard water area.
If you have a smaller bathroom, steer clear of wide or deep sinks that take up a lot of room. You can also get corner sinks that make the most of awkward shapes in your bathroom.
Wall-hung (or ‘floating’) sinks are often set into a wall or a unit, saving space. A vanity unit could also be a good option as it means incorporating the sink into a cupboard.
Remember that the taps you choose will have as big an effect on the look as the sink itself – statement taps can be an affordable way to make a feature of an otherwise basic sink.
For more tips on making the most of a small space, check out our free guide to small bathroom ideas
Double sinks come as one unit where the two bowls are part of the same mould, or you can get two separate sinks. The latter are usually counter-top sinks, mounted on a unit.
You could also consider an extra-wide, trough-style sink with additional taps that two people can use.
Freestanding baths come in a variety of designs, from traditional claw-footed, roll-top tubs to minimalist, modern styles.
Fitted baths tend to be more practical if you have less space and are usually cheaper than freestanding baths.
If possible, it’s a good idea to get into the bath you like and try it out in the showroom before making your decision. You may feel silly but you’d feel sillier if you spent hundreds of pounds on a bath you’re uncomfortable in.
Shop around so you end up with the highest-quality bath you can afford.
If space is at a premium, you may choose to ditch a bath entirely in favour of a large shower unit.
It may not be the most glamorous aspect of designing your bathroom but, over the years, your toilet will get a lot of use, so it’s important to buy the right one. Here are the most common types.
Closed coupled is the most common type of toilet. It's essentially where the cistern and toilet bowl are together in one unit – as opposed to traditional-style toilets where the cistern is sat high above. They come in a huge range of styles, from sleek, modern designs to more traditional shapes.
A back-to-wall toilet offers a more modern look as the workings of the toilet are set into the wall. Check whether the cistern is included in the price or sold separately.
Toilets incorporated into a vanity unit are essentially back-to-wall units that allow you to hide the workings of the toilet but still give you an additional work surface for storage.
Some bathroom furniture incorporates both a sink and toilet cistern in one tidy-looking unit. These are good if your bathroom is small as they make use of often-wasted space between a sink and toilet.
They can also hide ugly pipework, although they do make it trickier to access plumbing if there are issues.
Check whether your toilet comes with a seat when buying it, as not all do. You can buy soft-close loo seats that won’t slam down when you close the lid.
Toilets can come with a dual flush, power flush or gravity flush to name but a few, and this will affect your water use, as well as how powerful and effective the flush is.
Don't forget the loo roll! Which? members can discover the best toilet rolls from our tests
You'll need taps for your sink and the bath if you're going to have one. Taps can make a big difference to the look of your bathroom.
Your first choice will be whether to go for separate taps for hot and cold water – called pillar taps – or a mixer tap that delivers both together.
There are two main types of mixer tap: an individual tap that has just one handle and automatically mixes the hot and cold water, and double-handled taps that allow you to choose the amount of hot or cold water you run.
Other types of bathroom tap to think about include:
Your tap choice might be determined by the basin or bath you choose as some come with pre-drilled holes for the taps, so think about this when buying.
Also, check what your house's water pressure is like as not all taps will work with all systems, particularly low pressure (0.5 – one bar) ones.
Think about how high the tap sits on the basin to ensure it's not too cramped when washing your hands.
Lastly, look for taps with ceramic disks instead of plastic washers – this newer technology tends to be more reliable.
Most taps are chrome-coated solid brass, but you don't have to follow the crowd. Opting for a black tap can be a simple way to add a statement to your bathroom.
They come in all types and sizes, so the choice is endless. You could also consider other colours or finishes, such as copper or rose gold for a decadent look, or even bright-coloured taps in orange or yellow.
For more ideas and information, check out our full collection of bathroom advice guides
Keep your bathroom spotless – we've also tested products from well known brands to discover the best bathroom cleaning sprays