Buying Guide
Best Dehumidifier for a Flat UK 2026
Updated August 2026
UK flats are condensation magnets. Small spaces, shared walls, poor ventilation, and no garden to dry clothes in. A dehumidifier is the single most effective product for keeping a UK flat damp-free. But you need one that's compact enough for flat living — quiet for open-plan spaces, and efficient enough to handle one or two bedrooms. Here are the best options.
Quick answer
Our top pick: MeacoDry Arete One 6L / Devola 12L / MeacoDry Arete Two 12L
£85 – £200 on Amazon
Studio/1-bed: MeacoDry Arete One 6L (£160-200, smallest + quietest). 2-bed: Devola 12L (£85-110, best value). Large 2-bed/3-bed: MeacoDry Arete Two 12L (£170-200, best overall).
Check Price on Amazon →What size dehumidifier for your flat
| Flat type | Capacity | Typical price | Pick |
|---|---|---|---|
| Studio | 6L/day | £160–£200 | MeacoDry Arete One 6L |
| 1-bed | 6–12L/day | £85–£200 | Arete One 6L or Devola 12L |
| 2-bed | 12L/day | £85–£110 | Devola 12L |
| Large 2-bed / 3-bed | 12L/day premium | £170–£200 | MeacoDry Arete Two 12L |
| Single wardrobe / cupboard | Mini (0.3L) | £30–£45 | NETTA mini |
If you dry laundry indoors, move up one size regardless of flat type — a single load adds up to two litres of water to the air.
The best dehumidifiers for UK flats
MeacoDry Arete One 6L
If the dehumidifier has to live in the same room you sleep and work in, this is the one. It is genuinely unobtrusive, both physically and acoustically, and 6L/day is plenty for a single-bedroom space.
Pros
- Smallest footprint of any capable unit
- Quietest on the market — around 35dB on low
- HEPA filter included
- Very low standby and running power
Cons
- Expensive for 6L capacity
- Small tank needs emptying more often
Who it's for: Studios and 1-bed flats where space and noise both matter
Check Price on Amazon UK →Devola 12L Dehumidifier
The best pound-for-pound dehumidifier for a flat. It shifts as much water as units costing twice as much; you pay for that with noise and a plainer build. Put it in the hallway or the drying room and it's a non-issue.
Pros
- Half the price of premium 12L units
- Laundry mode for indoor drying
- Continuous drain port
- Handles a whole 2-bed flat
Cons
- Around 46dB — audible in open-plan
- Basic controls
Who it's for: 2-bed flats on a budget, especially with a door to close
Check Price on Amazon UK →MeacoDry Arete Two 12L
The unit we'd buy with our own money for a flat. It combines the extraction of a 12L machine with noise levels you can live with in an open-plan space, and the running cost is the lowest of the lot.
Pros
- 12L extraction with near-Arete-One noise levels
- Best-in-class energy efficiency
- Accurate humidistat holds a set RH
- Laundry mode and HEPA filtration
Cons
- Premium price
- Heavier to carry between rooms
Who it's for: Larger 2-bed and 3-bed flats, or open-plan layouts
Check Price on Amazon UK →Pro Breeze 12L Dehumidifier
A dependable middle option. Nothing about it stands out, but it does the core job reliably and it's the one to grab when the Devola is out of stock or the Pro Breeze happens to be on offer.
Pros
- Widely available and often discounted
- Simple digital humidistat
- Auto restart after power cuts
- Decent 2L tank
Cons
- Noisier than Meaco
- Extraction drops in cold rooms
Who it's for: A second unit, or a 2-bed flat where price beats refinement
Check Price on Amazon UK →NETTA Mini Dehumidifier
Do not buy this as your main dehumidifier — it will disappoint. Buy it as a satellite for the enclosed spots a main unit never reaches, like a fitted wardrobe on an external wall.
Pros
- Near-silent Peltier operation
- Tiny — fits in a wardrobe or en-suite
- Very low power draw
Cons
- Only removes ~300ml/day
- Useless for a whole flat
Who it's for: Wardrobes, cupboards and small en-suites as a supplement
Check Price on Amazon UK →Noise levels compared — important for open-plan flats
| Model | Low setting | High setting | Sleep alongside? |
|---|---|---|---|
| MeacoDry Arete One 6L | ~35dB | ~44dB | Yes |
| MeacoDry Arete Two 12L | ~37dB | ~46dB | Yes |
| Pro Breeze 12L | ~44dB | ~50dB | Borderline |
| Devola 12L | ~46dB | ~52dB | No |
| NETTA mini | ~30dB | ~33dB | Yes |
For reference: 35dB is a quiet library, 45dB is a fridge in the same room, 50dB is normal conversation. In an open-plan flat where the unit runs all evening, the difference between 37dB and 46dB is the difference between forgetting it's there and turning it off.
Running costs by flat size
| Flat | Typical daily runtime | Cost per day | Cost per month |
|---|---|---|---|
| Studio (6L unit) | 4–6 hrs | ~12–18p | £4–£5 |
| 1-bed (6L unit) | 6 hrs | ~18p | ~£5 |
| 2-bed (12L unit) | 6–8 hrs | ~25–33p | £7–£10 |
| 2-bed + indoor laundry | 10 hrs | ~41p | ~£12 |
Based on 24.5p/kWh and typical 160–200W draw. Full dehumidifier running cost breakdown →
Where to place a dehumidifier in a flat
- Whole-flat mode: central hallway, all internal doors open, unit raised slightly off the floor.
- Targeted mode: in the problem room with the door shut — far more effective for one mouldy wall.
- Laundry mode: same room as the airer, door closed, window shut.
- Keep 30cm of clear air around the intake and outlet grilles.
- Do not push it against an external wall — put it near the middle of the room where air can circulate.
- Avoid carpet directly under the outlet on models that blow downwards.
Continuous drainage setup for flats
A 2L tank on a 12L machine fills in a few hours during a damp week. Continuous drainage means you never empty it.
- Find the drain port on the back of the unit (most 12L models have one).
- Push the supplied hose on firmly — it is usually a 12mm barb.
- Run the hose to a bathroom or kitchen floor gully, shower tray, or a bucket.
- Crucially, the hose must fall continuously — these are gravity drains, not pumps.
- Stand the unit on a stable box or shelf to create the necessary height.
- Check for kinks at the door threshold; a kinked hose backs water up into the tank.
In a flat with no floor gully, the practical option is running the hose into the shower tray overnight while drying laundry, and using the tank the rest of the time.
Buying advice
Buy for noise first in a flat
Tip
Set the humidistat to 50–55% RH, not 40%
Warning
Compressor models struggle in cold flats
Frequently asked questions
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