Fitting a bathtub into a small bathroom can feel like a luxury that’s just out of reach,but it doesn’t have to be. With the right planning and the right type of bath, you can enjoy long soaks even in compact spaces. Whether you live in a new-build flat, a Victorian terrace, or a home with a tight en-suite, there’s a bath out there that’ll fit both your room and your routine.
In this guide, we’ll explore the best types of bathtubs for small bathrooms, how to choose the right size, and what to look for in terms of comfort and layout. You’ll also find practical answers to the most common questions about small baths in the UK.
What to Consider Before Buying
Before you fall in love with a new bath style, take a close look at your bathroom’s layout. Small bathrooms often have limited options when it comes to plumbing locations, wall length, and door swing. Measure everything carefully, especially the space between fixtures like the toilet and sink, and remember to account for clearance zones.
Think about how you use your bathroom. If it’s your only one, you may need a shower-bath combo to keep things practical for everyday use. But if you’ve got a separate shower or it’s an en-suite, a compact bath might be the relaxing upgrade you’ve been after.
Also consider access. Will the bath fit through your doorways or staircase? And is the floor strong enough to support a heavier tub if you’re thinking about stone or cast-iron options?
Finally, don’t overlook comfort. A shorter bath doesn’t have to mean cramped, especially if it’s deeper or designed with a sloped back for soaking. We’ll cover the best options in the next section.
Best Types of Bathtubs for Small Bathrooms
Not all baths are built the same, and when you’re working with limited floor space, the right shape and style can make all the difference. Here's a range of small bath types in the UK:
1. Straight Baths (Short-Length)
The most common choice, these are rectangular tubs that sit flush against the wall. A small bathtub (as little as 1200mm long) are ideal for tight spaces and can still offer a full soak, especially if deeper than average.
2. Shower-Baths (L-, P-, or J-Shaped)
A smart option if you need a combined shower and bath setup. These curved designs flare out at one end to give you more standing space while showering, without taking up the full footprint of a separate bath and shower.
3. Slipper Baths
These elegant tubs are higher at one end, offering more back support for soaking. Compact versions are available and work well in en-suites or guest bathrooms where the bath is a feature as well as a fixture.
4. Back-to-Wall Freestanding Baths
These deliver the look of a freestanding bath while saving space. One side fits perfectly flat against the wall, which allows for a more compact layout and easier cleaning compared to fully freestanding options.
5. Corner and D-Shaped Baths
Ideal for awkward or square rooms. These tuck neatly into corners and can create a surprisingly spacious bathing area while freeing up space elsewhere.
6. Deep Soaking Tubs
Inspired by Japanese-style baths, these tubs are shorter but deeper. Perfect for a full-body soak even in very small heritage bathrooms, though they may require slightly more hot water per fill.
Small Bath Sizes – What to Know
Small baths come in more sizes than most people realise, and getting the dimensions right is key to a good fit. The most common small bath lengths in the UK are:
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1200mm – Ideal for very tight en-suites or under-stair conversions.
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1400mm – A compact design option that works in most small bathrooms.
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1500mm – The most popular short bath length, balancing space-saving with comfort.
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1600mm – Great for luxury baths, or when you have just a little more room to play with.
Widths typically range from 600mm to 750mm, with depths between 350mm to 500mm depending on the style. A shorter bath doesn’t always mean a shallow one—some small tubs are deeper to allow for a proper soak.
When measuring your space, remember to account for clearance around the bath: at least 600mm in front for access and 50mm on the sides for fitting. Don’t forget to factor in boxing or tiling, especially if your bath will be built-in.
For awkward rooms, take note of any sloped ceilings, radiators, or pipework. If your space is tight, sketching out a floor plan or using masking tape to mark dimensions on the floor can help you visualise the layout before you buy.
Comfort and Fit – Will It Work for You?
A small bath doesn’t have to mean an uncomfortable one, but you do need to choose wisely. If length is limited, look for tubs that make up for it with depth. Deeper baths allow for full-body immersion even if your legs can’t stretch out completely.
Baths with a sloped backrest are generally more comfortable for lounging than those with vertical sides. A slipper bath, for example, supports the upper body and neck, making it ideal for soaking, even in more compact sizes.
Single-ended baths (with the tap hole and waste at one end) are the most common and tend to take up less room. Double-ended baths, with a more central waste and tap position, are roomier at both ends. These make them ideal for shared or family use, but they may need more width.
Armrests, built-in headrests, anti-slip surfaces, or extra-wide ledges can add a layer of comfort, but they also eat into internal space. Prioritise what matters most to you: relaxation, functionality, or footprint.
If possible, test the comfort of a bath in a showroom before buying. If you’re buying online, check for detailed internal dimensions (not just external ones) and reviews that mention comfort, especially for users of similar height.
Can You Fit a Freestanding Bath in a Small Bathroom?
Yes, it’s possible, but not always practical. Freestanding baths are known for making a visual statement, but they typically require more clearance around them than built-in models. In a small bathroom, this can be tricky.
That said, back-to-wall freestanding baths offer a smart compromise. They look freestanding from most angles but sit flush against a wall, which saves space and makes cleaning easier.
If you’re set on a traditional freestanding tub, measure carefully. You’ll want at least 100–150mm of clearance around the bath for access and visual breathing room. Keep in mind that pipework may need to be concealed or run along the floor, depending on your layout.
Visually, freestanding baths can actually help a room feel bigger when paired with wall-mounted taps and open floor space. Just make sure it won’t crowd your toilet or basin, and that you’ll still be able to clean behind it!
FAQ
Q1: What is the smallest size bath available in the UK?
Some baths go as short as 1200mm, but 1400mm to 1500mm is more common for standard use. Smaller options are ideal for en-suites or under-stair spaces, but may feel snug for taller adults.
Q2: Is a 1500mm bath big enough for an adult?
For most people, yes—especially if the bath is deeper than average. You may not be able to stretch out fully, but a 1500mm tub can still be as comfortable for a soak as larger models.
Q3: What’s the best bath shape for saving space?
Straight rectangular and L- or P-shaped shower-baths are the most space-efficient. Corner and back-to-wall freestanding baths also work well in certain layouts.
Q4: Can I install a shower over a small bath?
Absolutely. Just make sure the bath is wide enough to stand in safely (usually 700mm or more) and consider a glass screen or quality shower curtain to keep things watertight.
Q5: Are small baths comfortable for soaking?
It depends on the depth and back support. Look for models with sloped interiors or slipper shapes, and check internal measurements to ensure your body will be supported.
