If you can keep two appliances, stacking them frees up floor space while retaining a separate tumble dryer. However, you should only do this if the manufacturer confirms that both model numbers and the stacking kit are compatible. If there’s room for just one appliance, a washer-dryer avoids the need for this installation. Check its drying capacity, which UFC-Que Choisir says is generally lower than its washing capacity, against the size of your usual loads. For any separate tumble dryer, also check its dimensions, energy label, condensate management and installation requirements.
If space is tight but you want to keep a separate washing machine and tumble dryer, consider stacking them. Bosch advises checking that the model numbers and stacking kit are compatible before installing one appliance on top of the other. You’ll also need to measure the space required for installation and to open both appliances.
A washer-dryer combines both functions in a single appliance. While it saves space, its drying capacity is lower than its washing capacity, and drying cycles take longer than with a conventional tumble dryer, according to UFC-Que Choisir.
If there’s room for a separate tumble dryer, compare its energy label, the installation requirements in the manual and how the condensed water is collected. Whirlpool notes, in particular, that direct connection to a drain depends on the model.
First, work out whether your room can accommodate two appliances, side by side or stacked in a compatible setup. Then consider how much laundry you actually want to dry, followed by the energy use, installation and maintenance requirements of the model you’re considering.
| Criteria | What to check | Who this matters to |
|---|---|---|
| Floor space and stacking | Check the dimensions and ask the manufacturer to confirm that both model numbers are compatible with the stacking kit. | I want to keep two appliances without placing them side by side, so stacking is key to my layout. Around 36% of consumers would prioritise this need. |
| Drying capacity | For a washer-dryer, compare its washing and drying capacities separately, as well as the length of the programmes you’ll use. | I only have room for one appliance, and need to know whether I can dry my usual wash without splitting the load. Around 29% of consumers would prioritise this. |
| Energy use and room conditions | Compare the kWh/100 cycles figures on energy labels from the same generation, then check the manual for the required temperature and clearances. | If I can install a separate tumble dryer, I want its energy use and operating conditions to suit my room. Around 21% of consumers would put this first. |
| Condensate and maintenance | Check how the water is collected, whether direct drainage is available for this model, and how easy it is to reach the parts that need cleaning. | In a tight space, I want to be able to reach the parts that need maintenance and deal easily with the collected water. Around 14% of consumers would prioritise this need. |
Compatibility can depend on the model numbers, the depth of the washing machine and how the appliances line up. Bosch outlines restrictions for its kits, so simply having a stacking accessory doesn’t mean the installation is suitable.
Note down the full model numbers of both appliances and ask the manufacturer to confirm the kit is compatible before arranging installation. Then follow the manufacturer’s instructions for levelling and securing the appliances.
According to UFC-Que Choisir, drying capacity is lower than washing capacity. If your laundry load is larger than the drying limit, you’ll need to remove some items or dry the load in batches.
Compare the two capacities listed in the product details with the size of the loads you usually wash and want to dry.
Splitting a load means more handling and can increase the time needed to dry all your laundry.
Whirlpool says that direct connection to a drain for a condenser tumble dryer depends on the model. If this isn’t an option, you’ll need to consider how collecting and emptying the water will fit into your daily routine.
Check the manual to see whether a drain connection is available, which accessory it requires and how the hose should be installed.
Energy labels from different generations can’t be read as if they use the same scale. A letter on its own also won’t tell you how the appliances compare in energy use for the cycles listed.
Check which generation each label belongs to and compare the kWh/100 cycles figures when they’re based on comparable tests.
Worth considering if you’re planning a stacked setup and can check the exact model numbers with the manufacturer.
Worth considering if you want to compare the installation requirements and energy use of a specific heat pump tumble dryer.
Worth considering if tumble dryer capacity and pairing it with a washing machine are your main priorities.
Worth considering if handling condensed water is a key factor when choosing a separate tumble dryer.
These washer-dryers and separate tumble dryers let you compare two ways to kit out a narrow utility room: combine washing and drying in one appliance, or keep a separate tumble dryer. If you plan to stack the latter, check that the washing machine, tumble dryer and kit are all compatible.
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For washing and drying in a single appliance.
Stated capacity: 11 kg for washing and 6 kg for drying. If you wash more than 6 kg, plan to reduce the load before drying.
Check the dimensions, connections and length of the programmes you’ll need for your laundry routine.
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For keeping a separate drying appliance, if you have the space and the right installation setup.
Stated capacity: 8 kg; stated energy rating: C. Compare its energy use figures with those of the other models you’re considering.
Before deciding where to put it, check the manual for the dimensions, room requirements and condensate management options.
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For combining washing and drying in a single space.
Stated capacity: 10 kg for washing and 6 kg for drying. The product title mentions 27 wash programmes, app control and the LintClear system.
Keep loads within the 6 kg drying capacity, and check the dimensions, connections and maintenance instructions for this model.
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For considering a separate drying option with a stated capacity of 8 kg.
The product name mentions OptiSense technology and propane refrigerant. Don’t infer the exact technology or energy use from the term “condenser” alone: check the model details and energy label.
Also check the dimensions, required clearances and how condensed water is collected or drained.
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For shoppers looking for a separate tumble dryer and comparing drying capacities.
Stated capacity: 10 kg; stated energy rating: D. The product name also mentions several drying functions, which you can check against the programmes you use.
Measure the space and check the manual for room conditions, clearances and condensate management before planning the installation.
No. Stacking depends on whether both model numbers are compatible with the kit designed for them. Bosch advises checking that the appliances are suitable for stacking and following its instructions for alignment and securing them. Check the dimensions and available space before installation too.
It could be limiting if you want to dry a whole load that weighs more than its drying capacity. UFC-Que Choisir says this is lower than the washing capacity. Compare both figures for the model and consider whether removing some laundry or splitting the load fits your routine.
No. Whirlpool notes that direct drainage depends on the model. Check the manual to see whether a compatible hose or kit is available and what installation requirements apply. If not, factor in emptying the water tank when planning your routine.
Check the connection instructions in the manual, and have the electrical setup assessed if you’re unsure whether it’s suitable for the room or appliance. In a damp room, don’t assume a connection is suitable just because of what the product listing says. Ask a qualified professional to check your installation.
Compare their energy-use figures on an equivalent basis, such as kWh/100 cycles when the labels and cycles allow. Check which generation the labels belong to before comparing their ratings: a letter on its own isn’t enough to tell two models apart.