When I started looking for the best budget dehumidifier UK under £100, it wasn’t about adding another gadget to my home — it was out of real need. One of my rooms constantly struggled with dampness, especially during colder months. The air felt heavy, and the walls often had that faint, musty smell that never quite went away. I didn’t want to keep increasing the heat since electricity prices are already high, so I decided to find a dependable dehumidifier under £100 that could help without breaking the bank.
At first, I wasn’t sure if a low-cost model could make much difference. Many budget dehumidifiers are small, usually with an extraction rate of around 0.5L per day or less, so my expectations were realistic. Still, I wanted to see how far these compact machines from brands like Pro Breeze, Russell Hobbs, Black + Decker, and Challenge could actually go in managing moisture for a single room.
We bought several models, unboxed them one by one, and spent weeks — sometimes months — testing them in different conditions. It took patience and a lot of observation to see which ones could genuinely handle daily humidity without constant emptying or noise. Despite their small size and affordable price, a few surprised me with their performance. They were simple to use, quiet enough to run at night, and efficient enough to make the room feel drier and fresher.
Finding the best dehumidifier under £100 in the UK isn’t just about saving money; it’s about getting reliable moisture control for small spaces without unnecessary features. Through my tests, I discovered that even budget-friendly models can deliver solid results if you match them to the right room size and humidity level. In this post, I’ll share the top budget dehumidifiers under £100 that truly worked for me after weeks of hands-on testing — the ones that balance affordability, performance, and real practicality for everyday UK homes.
Best Budget Dehumidifier UK Under £100 At A Glance
| Budget Dehumidifier UK Under £100 | Extraction Rate | Customer Satisfaction Ratings | Reason to Buy |
|---|---|---|---|
| Black & Decker Cheapest Dehumidifier to Run UK | ~250 ml/day | 82% | Cheapest to run, ideal for tiny spaces, super simple and quiet |
| Russell Hobbs Fresh Air Mini Budget Dehumidifier UK | ~300 ml/day | 85% | Great for regular use offices, quiet nighttime use |
| Pro Breeze 1500ml Portable Cheap Dehumidifier UK | ~500 ml/day | 90% | Best balance of power and size, perfect for small flats |
| Cosi Home 12L Budget Dehumidifier for Drying Clothes Under £100 | Up to 12L/day | 94% | Excellent for drying clothes, strong moisture removal, full-size power |
| VonHaus 12L Dehumidifier UK Under £100 | Up to 12L/day | 92% | Great performance for damp rooms, compact for a powerful unit |
Exploring The Right Kind of Budget Dehumidifier UK Under £100
When I started testing the best budget dehumidifiers UK under £100, I quickly realised that most of them use Peltier (thermo-electric) technology. These models are small, portable, and ideal for rooms like a compact bedroom, bathroom, or wardrobe. From my experience, they don’t match the power of compressor or desiccant types, but they make up for it with quiet operation and low running costs — often using less than a penny an hour.
While testing, I paid close attention to the extraction rate, which shows how much moisture a unit can remove in a day. Most budget models fall between 0.25 and 0.75 litres per day. I found that if you want quicker moisture control in a small room, something around 0.5L/day — like the Pro Breeze 1500ml — works really well. It’s not fast, but it does the job consistently without adding to the electricity bill.
The water tank capacity also matters. I prefer something between 1L and 1.5L because it doesn’t need to be emptied too often yet keeps the unit light and easy to move. I also check the recommended room size from the manufacturer since these models are designed for smaller spaces.
What I like most about these budget dehumidifiers under £100 is how quiet they are, usually around 30–40dB, which makes them perfect for bedrooms. Features like automatic shut-off help prevent overflow when the tank is full, and their lightweight build makes it easy to shift them from one room to another.
From my weeks of testing, I’ve learned that these affordable dehumidifiers aren’t meant for large, damp rooms. But in smaller areas, they’re efficient, energy-saving, and reliable for tackling mild condensation or moisture — perfect for anyone wanting a simple, cost-effective solution.
Best Budget Dehumidifier UK Under £100 : Tried and Tested Models
Why you can trust Top Best Dehumidifier UK: Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you. Find out more about how we test.
Black & Decker 900ml cheapest dehumidifier to run uk
When I first picked up the Black & Decker 900ml budget dehumidifier, the first thing that stood out to me was how affordable it was. For a budget dehumidifier UK under £100, this one felt like a smart buy right from the start. I liked that I didn’t have to think twice about the cost — it fit perfectly into my budget, and that alone made me confident enough to test it for several weeks.
After unboxing it, I immediately noticed how lightweight and compact it was. I could move it around with one hand, and that made it really convenient for placing it in smaller areas like wardrobes, cabinets, or the corners of tiny bedrooms. It uses Peltier technology, which I prefer for small spaces because it runs quietly and doesn’t use much power. This one costs roughly 1p per hour to run, and I could keep it on for hours without worrying about the electricity bill.
During my testing, the best part was how quiet it stayed. I barely heard anything, even at night. The Black & Decker 900ml dehumidifier worked smoothly in confined spaces where I needed just a bit of extra moisture control. It pulled in around 250 ml of moisture per day, and while that’s not meant for large rooms, it was more than enough for those small, damp spots that always feel stuffy.
I also found the automatic shut-off feature helpful because it stopped the unit once the tank was full, avoiding spills. Although it doesn’t come with advanced features like a humidistat, I honestly didn’t miss them for the price I paid.
Overall, my experience with the Black & Decker 900ml cheapest dehumidifier to run in the UK has been surprisingly positive. If you want an inexpensive, quiet, and energy-efficient option for small spaces, this is a solid choice worth buying.
Russell Hobbs Fresh Air Mini Budget Dehumidifier UK
When I bought the Russell Hobbs Fresh Air Mini Budget Dehumidifier UK, what impressed me right away was how affordable and compact it was. After unboxing it, I could tell it was designed for small, focused spaces — exactly what I needed for places like my utility room and home office. The size made it easy to move around, and I appreciated how simple it was to set up and start using within minutes.
One thing I noticed immediately during my testing was how quiet it runs. At around 35 dBA, it stayed gentle enough to use in the bedroom at night without disturbing my sleep. I genuinely enjoyed how peaceful it felt having it on in the background. If you’re someone who prefers low-noise appliances, this model definitely checks that box.
I also liked the auto shut-off feature because it prevented any chance of the tank overflowing. Another useful addition was the defrost feature, which helped it run better during colder days — something I found genuinely helpful, especially in winter when moisture levels tend to rise indoors.
Even though the 600 ml water tank is small, I expected that from a mini dehumidifier. During damp days, I emptied it more often, but for light condensation, it performed exactly the way I wanted. The extraction rate of around 300 ml/day isn’t built for major damp issues, but in tight spaces with mild moisture, it did a solid job. I noticed the air feeling fresher, and small areas didn’t feel stuffy anymore.
Overall, my experience with the Russell Hobbs Fresh Air Mini Budget Dehumidifier UK has been very positive. It’s quiet, easy to use, energy-efficient, and perfect for targeted small-space moisture control. For anyone looking for a budget-friendly option under £100, this one is absolutely worth considering.
Pro Breeze 1500ml Portable cheap dehumidifier uk
When I picked up the Pro Breeze 1500ml portable cheap dehumidifier, I was looking for something slightly stronger than the usual mini units, and this one instantly felt like a perfect fit. After unboxing it, I liked how the design was still compact but offered more capacity. The 1.5L tank was the first thing that stood out to me because it meant fewer trips to empty it, which made the whole experience a lot more convenient.
During my testing, I noticed right away that the 500ml per day extraction rate gave it a clear performance boost compared to smaller models. In my small apartment and other damp corners of the house, it handled everyday moisture really well. The air felt fresher, and the walls didn’t have that stuffy feeling anymore. For a mini dehumidifier under £100, this balance of tank size and extraction power felt just right.
Another thing I appreciated was how quiet it runs. The Peltier technology keeps the sound low enough that I could run it at night without any disturbance. It also costs around 1p per hour to operate, which made me comfortable keeping it on for longer hours without worrying about the electricity bill. The energy efficiency genuinely adds value to this model.
Even though it only comes with simple on/off controls and no digital display, I personally didn’t mind. The simplicity made it easy to use, and I didn’t feel the need for extra modes for small-space moisture control. For the size and price, the straightforward operation worked perfectly for me.
Overall, my experience with the Pro Breeze 1500ml portable cheap dehumidifier UK has been very positive. It offers great moisture control, quiet performance, and strong value for money. If you want a reliable and budget-friendly dehumidifier under £100, this one is definitely worth buying.
Cosi Home 12L Budget dehumidifier UK for drying clothes under £100
When I bought the Cosi Home 12L dehumidifier UK for drying clothes under £100, I wanted something more powerful than the usual mini models, and this one immediately impressed me after unboxing. It felt solid, well-built, and ready to take on bigger moisture problems. The moment I turned it on, I could tell this was a proper full-size dehumidifier designed for real results.
What stood out the most during my testing was its 12-litre per day extraction rate. I noticed the difference almost instantly. Rooms cleared up faster, the air felt lighter, and drying clothes indoors became so much easier. For the price, the performance felt far above what I expected. It also runs at around 6p per hour, which made me comfortable using it daily without worrying about energy bills.
The 2.5L water tank made a huge difference as well. I didn’t have to empty it constantly, and the option for continuous drainage added even more convenience. I also liked the humidity sensor, which adjusted automatically and kept the room at a comfortable level without me having to check it. The 24-hour timer was another feature I used often, especially when drying laundry overnight.
Even though it’s a compressor model, I was surprised by how quiet it was. At around 38dB, it stayed softer than I expected. It’s not as silent as small Peltier units, but for the power it delivers, the noise level felt very manageable. I didn’t use it right next to my bed, but in hallways, living rooms, or laundry spaces, it worked perfectly.
Overall, my experience with the Cosi Home 12L dehumidifier for drying clothes under £100 has been extremely positive. It’s powerful, efficient, easy to use, and genuinely helpful for moisture control and laundry drying. If you want strong performance on a budget, this is absolutely a great choice.
VonHaus 12L dehumidifier UK under £100
When I purchased the VonHaus 12L dehumidifier UK under £100, I wanted something with real power but still affordable, and this model delivered exactly what I was hoping for. After unboxing it, I immediately noticed how compact it looked for a full-size compressor unit. It didn’t take up much space, and that made it easy to move around different rooms during my testing.
What impressed me the most was the 12L per day extraction rate. I could see the difference in moisture levels within a short time. The walls felt drier, the air didn’t feel heavy anymore, and everyday condensation disappeared much faster than I expected. For a dehumidifier under £100, I honestly felt like I was getting incredible value.
Despite being a powerful unit, it still had good portability. I liked how easy it was to shift it from the living room to the hallway or even near laundry when I needed quicker drying. The performance stayed consistent everywhere I used it. It just kept pulling moisture effectively without slowing down.
Like every compressor dehumidifier I’ve tested, it isn’t as quiet as the tiny Peltier models, but for the power it delivers, the noise level felt completely acceptable. I didn’t use it right next to my bed at night, but for daytime use or in slightly larger spaces, it worked perfectly fine. I found that it performed best in heated indoor areas, and when the temperature was normal, it stayed strong and reliable.
Overall, my experience with the VonHaus 12L dehumidifier under £100 has been very positive. It offers excellent moisture removal, great value for money, and dependable performance for small to medium UK homes. If you’re looking for an affordable dehumidifier that genuinely tackles damp and condensation, this one is definitely worth buying.
How We Test
When we test the best budget dehumidifiers UK under £100, we focus on real performance, not just what the box claims. I spend weeks using each model in everyday conditions, placing them in bathrooms, bedrooms, hallways, and even wardrobes to see how they handle real-life moisture problems. Every unit is unboxed, set up, and run for long hours so I can understand its strengths properly.
The first thing I check is the extraction rate. I look at how much water the dehumidifier collects in 24 hours and whether it makes a noticeable difference in the room. Budget models usually range between 250ml to 500ml per day, but I like to see how consistent they are across different levels of humidity.
Next, I look at the water tank capacity. I prefer units that offer at least 1L if they’re Peltier types and 2L+ for compressor models under £100. I want to see how often I need to empty the tank during normal use and whether the automatic shut-off works smoothly without any issues.
I also pay attention to noise levels, especially because many people use these dehumidifiers in bedrooms. I measure how quiet they run at night and whether the sound is stable or distracting.
Energy efficiency is another key factor. I check running costs per hour, making sure the unit stays affordable long-term, not just at the time of purchase.
Finally, I evaluate overall usability — how easy it is to move around, whether the controls feel simple, and if the dehumidifier actually improves comfort in small spaces.
All the models I recommend have been used for days, weeks, and sometimes months. This hands-on testing helps me shortlist only the most reliable, cost-effective, and genuinely useful budget dehumidifiers under £100 for UK homes.
FAQ’s: Best Budget Dehumidifier UK Under £100
Is a cheap dehumidifier worth it?
A cheap dehumidifier can work well in small rooms, closets, or limited spaces with light damp. But budget models are usually less powerful, less energy-efficient, and not ideal for whole-house moisture. For bigger damp problems, investing in a stronger, reliable dehumidifier is a better long-term choice.
Is it better to oversize or undersize a dehumidifier?
It’s better to choose the right dehumidifier size for your room. An undersized dehumidifier won’t reduce humidity properly, while an oversized one may waste energy by cycling on and off. Measure your space and match it with the correct dehumidifier capacity to keep moisture under control efficiently.
Is it worth getting a dehumidifier in the UK?
Yes, a dehumidifier is worth it in the UK. Most homes lack proper ventilation, so moisture builds up when we try to keep heat inside. A dehumidifier helps reduce excess humidity, prevent damp and condensation, and keep your home warmer and healthier without wasting heat.
Danny
Danny has hands-on experience testing dehumidifiers in real British homes, focusing on performance, energy use, and noise levels. His goal is to help UK homeowners find the most reliable and efficient models backed by real testing and honest reviews.
Alex Testing Expert
Alex spends hours testing different dehumidifiers in everyday home settings, paying close attention to moisture removal, design, and usability. His practical insights and honest feedback help readers choose models that truly fit their lifestyle and home needs.
Derek
Derek brings years of expertise in home appliance testing, combining data-driven analysis with real-life use in UK homes. He focuses on air quality, build quality, and overall user comfort to help readers make confident, trustworthy buying decisions.