Modern baths come in a range of designs and capacities, making it easier to find the perfect fit for your requirements. In this guide, we’ve broken down everything you need to know about different bath sizes and models, including tips for measuring your space and choosing the right option for your bathroom layout.
What is the standard bath size in the UK?
The standard bath size in the UK is 1700mm x 700mm. This is a size which suits the needs of most homes and is a good fit for the smaller size of UK bathrooms.
Bath sizes and shapes vary around the world. For example, UK baths are typically longer than the average bath in the US, whereas some countries such as Japan favour depth over length. Still, a standard 1,700mm x 700mm x 400mm size tends to work well for most UK bathrooms.
Different types of bath sizes and shapes
Wondering about the different bath sizes and orientations you can choose from? There are plenty of practical and stylish dimensions available to suit different UK bathroom types and user needs.
Single ended bath sizes: standard vs compact
Single-ended baths typically feature taps at the waste end of the bath and a sloping backrest at the other. They’re a popular choice for shower baths, with a shower head installed at the flat waste end.
Standard single-ended baths range from 1500mm x 700mm to 1800mm x 800mm. These sizes are ideal for most family bathrooms and offer ample space for bathing and showering.
Compact single-ended baths range from 1500mm x 700mm to 1800mm x 800mm. These baths are designed to slot into smaller bathroom spaces and are ideal if you don’t want to sacrifice having a bath, even if your bathroom is on the smaller side.
Double-ended bath sizes
Double-ended baths are usually symmetrical, with the taps and drain in the middle and sloped backrests on both sides to support a more luxurious bathing experiance, especially for taller users.
If your bathroom is on the larger side, these tubs could make a fantastic focal point for the space. They’re perfect for parents who want to throw multiple kids in the same bath, couples who enjoy a shared soak, and any homeowners who appreciate sleek, modern design.
Double-ended bathtub sizes vary but typically start at 1,700mm in length. Most are also a little wider than the average bath to accommodate dual occupancy, sitting at around 750–800mm across.
Corner bath sizes
Short on space in your family bathroom or en suite? You don’t have to go without a tub! Corner baths are designed to slot into unused corners and maxomise uables floor space. Larger corner tubs can accommodate multiple occupants, while smaller sizes can still feel spacious due to their unique shape.
These modern units range between 1,000mm and 1,500mm long, though larger models are available. You can also get offset options to fit more snugly into narrow or tight spaces.
When you’re deciding where to position your corner bath, ensuring it’s near any existing plumbing can help reduce installation costs. If space-saving is your priority, think about fitting recessed shelving next to your new tub for a seamless, functional aesthetic.
Freestanding bath sizes
Freestanding baths are ideal for anyone who wants to make a luxurious statement in their bathroom. Although they’re mainly found in larger bathrooms, freestanding baths can also be used as an attractive centerpiece for en suites.
Freestanding baths are available in a variety of shapes and sizes, which makes them suitable for a number of bathroom layouts and aesthetics. Clawfoot tubs are the perfect match for a traditional style, whereas oval or rectangular models scream minimalist, modern charm.
Thanks to their versatility, freestanding baths come in many dimensions. However, standard bath sizes start at around 1,500mm long and can reach up to 1,900mm.
L-shaped and P-shaped baths
Can’t decide between a bath or shower? L-shaped and P-shaped tubs offer the comfort of a bath with the convenience of a shower so you don’t have to! L-shaped and P-shaped baths are designed to give you more room for showering than a standard shower bath. They feature a wider section at one end, which gives you a more comfortable space for showering compared to standard shower baths which can feel quite narrow.
These compact solutions are excellent for saving space without sacrificing the dual functionality of shower baths. If you’re wondering which type of model is right for your bathroom, we’ve outlined their main characteristics below.
L-shaped baths:
- Have straight edges with a wide section at the shower end
- Suit square or rectangular bathrooms
- Create a more angular, modern look with clean lines
P-shaped baths:
- Feature a curved section for additional space at the shower end
- Lend themselves to narrower layouts
- Complement soft, ergonomic styles
Both L-shaped and P-shaped bathtub sizes range from 1,500mm to 1,800mm long, around 700mm wide at the narrow end, and 850mm in the shower area. The main difference lies in their shape and visual style, so determine which option will suit your bathroom best.
How to measure for a bath
Now you know about the different bath sizes and styles available, you need to make sure you can measure the space where your bath is going to go.
1. Work out the placement
Whether you’re replacing an existing tub or installing one for the first time, you need to work out where it’s going to go.
For the simplest installation, we recommend installing your bath in the same space as your existing plumbing connections. Using existing connections will prevent you from having to move pipework, which can be costly and time-consuming.
2. Measure the designated area
Next, you should measure the length, width, and height of the space where your bath will go. These measurements will help you decide what bathtub size and style you can accommodate.
Remember that different baths will connect differently to your plumbing system. Check where the connections are on the bath you want to install to ensure you're measuring the correct space. If you’re hoping to buy a freestanding, L-shaped, or corner bath that doesn’t have straightforward dimensions, make sure you’re taking these into account.
Take several measurements of the same area to account for any fluctuations caused by uneven walls.
3. Account for surrounding clearance
When you're measuring for your bath, don't forget about leaving a clearance between the bath and other bathroom furniture and fixtures.
Consider whether you'll have enough space to use the toilet, open the door and move around the bathroom easily. Fitting a bath that's too big will make the space feel cramped, so take some time to consider which size is right for the space you have.
Advice for measuring around tiled walls and corners
Taking bath measurements around tiled walls and corners can be trickey. Here are some tips to help you achieve precise results:
- Check for variations in tile thickness. Variation in the thickness of tiles can create uneven surfaces and impact the snugness of your bath fit.
- Account for any tiling overhang, grouting, or adhesive. All of these can change the dimensions of a wall, so they should be taken into account when measuring a bath.
- Use a laser measure. Laser measures will help you take accurate measurements in awkward or hard-to-reach corners.
- Measure both wall lengths that meet in a corner. You can’t always be sure that corners are square. Measuring both wall lengths will ensure they’re flush and square to avoid misalignment.
Tips for choosing the right bath size
Ultimately, the bathtub size you choose is a matter of preference. As long as you have the functional space and plumbing points to include one in your bathroom design, there’s nothing stopping you from selecting a small bathtub for a large bathroom or opting for a statement tub in a tiny en suite.
That being said, there are some practical considerations you need to keep in mind to ensure your chosen model is the right match for your space, needs, and usage preferences.
Let’s summarise what we’ve learnt about choosing the right bath size for your home.
- Assess available space. Before you can decide which bath size you want to install, you need to look at the space you have available. Consider what bath size you'd like to install and how it will fit into your existing space.
- Consider existing connections. Moving plumbing connections can be expensive. Unless you want to move these connections, you'll need to think about where these are and how this will affect the
- Consider depth. Consider the ideal bath depth for you and the rest of your family.
- Consider obstacle clearances. Think about whether the bath size you want to install will leave enough space to open doors and move around your bathroom easily
- Decide which type you prefer. The type of bath you want to install will affect the sizes you can choose from.
Bath size FAQs
Is a 1600mm bath big enough?
A 1600mm bath is ideal for smaller bathrooms or en-suite bathrooms. If you have a larger bathroom or the bath will be used by taller users, you may want to consider a bigger bathtub size.
Is a 1400mm bath big enough?
A 1400mm bath is perfect for compact bathrooms and small en suites. This bath size won’t offer the same legroom as a larger bath, but it’s ideal for smaller bathrooms, particularly if the bath won’t be used regularly. If you’re searching for more bathroom design inspiration, look no further than our collection of bathroom ideas.
