---
title: "Dehumidifier 20l — £368K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/dehumidifier-20l"
last_updated: "2026-07-31T22:25:08.354Z"
locale: en
meta:
  description: "Niche score 50/100 · £368K/yr market · 159K searches/yr. Soft demand (-64.3% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · £368K/yr market · 159K searches/yr. Soft demand (-64.3% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Dehumidifier 20l — £368K/yr Amazon UK Niche (2026) - Flapen"
---

# **dehumidifier 20l**

**Worth a look**

Shows no brand lock-in (top 5 brands take 49% of clicks), but soft demand (-64.3% this quarter) keeps it on the watch list.

Market size 54Growth 0Conversion 28Competition 78Returns 67Price range 30Avg price 74Brand share 86Review moat 71Quality gap 35

**Brand share**

**Great****49%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****37%**

top-5 click share — an open shelf

**Avg price**

**Good****£103.48**

avg listing price — sweet spot $15–$100

**Review moat**

**Good****645.76**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Good****2.3%**

return rate — above 5% kills the launch gate

**Market size**

**Good****£368K**

£368K/yr · 159K searches

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Price range**

**Okay****£56.90–£198.82**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Okay****2.2%**

search→purchase rate — share of searches ending in a sale

**Growth**

**Bad****-64.3%**

90-day search growth — must beat 0% to launch

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** High Price**](https://flapen.com/research/niches?market=uk&signal=high_price "Avg price > $50")

According to Flapen's Amazon United Kingdom niche tracking, dehumidifier 20l is a £368K/yr Amazon United Kingdom market (159K searches/yr). The top 5 brands hold 49% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Worth a look — 50/100.

Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **dehumidifier 20l market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**£310K–£414K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#228**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**85%**</dd>

<dt>**Sponsored**</dt><dd>**93%**</dd>

<dt>**Out of stock**</dt><dd>**23.9%**</dd>

<dt>**Avg brand age**</dt><dd>**29 months**</dd>

<dt>**Avg seller age**</dt><dd>**189 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.

**Brands**

**31 **▲rising

**Sellers**

**50**

**Top-5 brand share**

**49%**

Top 20: 94%

**Top-5 click share**

**37%**

Top 20: 86%

**Open market**

**45%**

- AEOCKY14% - Pro Breeze12% - Nyxi9% - Belaco7% - COMFEE'7% - Smeeyo6%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -64.3% search growth over the last 90 days.

15K10KSpike '24Black Friday '24Spike '25Prime Day '25Black Friday '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 16.7×

[**Open Trend **](https://flapen.com/research/uk/home-garden/dehumidifier-20l/trend)

## **Top dehumidifier 20l search terms**

- **dehumidifier 20l**63K/yr-65.5%2.0% conv. - **20l dehumidifier**46K/yr-68.0%2.4% conv. - **dehumidifier 20l large tank**15K/yr-62.3%1.4% conv. - **dehumidifiers for home 20l**10K/yr-66.7%2.5% conv. - **20l dehumidifiers for home**6K/yr-48.8%1.3% conv. - **dehumidifier 25l**7K/yr-51.6%2.3% conv. - **dehumidifiers 20l**4K/yr-46.7%0.3% conv. - **20 litre dehumidifier**6K/yr-67.6%1.8% conv. - **wessex 20l dehumidifier**3K/yr-66.5%0.0% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/dehumidifier-20l/search-terms)

## **Top dehumidifier 20l products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%£11K6%£22K9%£33K12%£44K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![AEOCKY 25L/D Compact Dehumidifier Continuous Drain Detachable Wheels](https://m.media-amazon.com/images/I/21ZfXIIq8pL.jpg)**AEOCKY 25L/D Compact Dehumidifier Continuous Drain Detachable Wheels**AEOCKY**£87.56**4.5★231 rev](https://www.amazon.co.uk/dp/B0FSLK3DD9) [2![Pro Breeze 20L OmniDry WiFi Dehumidifier WHICH? Best Buy Award WINNER Automatic Humidity Sensor & Display Sleep Mode 24Hr Timer Laundry Drying Continuous Drainage Smart App](https://m.media-amazon.com/images/I/41CNdQiVYQL.jpg)**Pro Breeze 20L OmniDry WiFi Dehumidifier WHICH? Best Buy Award WINNER Automatic Humidity Sensor & Display Sleep Mode 24Hr Timer Laundry Drying Continuous Drainage Smart App**Pro Breeze**£151.68**4.4★719 rev](https://www.amazon.co.uk/dp/B0CYZYR3NC) [3![Nyxi 20L/Day Home Dehumidifier Digital Humidity Sensor XL 6.5L Water Tank Removes Condensation Humidity Damp Moisture Laundry Drying Continues Drainage Auto-Off 24 Hour Timer for Home Office](https://m.media-amazon.com/images/I/415Rk4w3EKL.jpg)**Nyxi 20L/Day Home Dehumidifier Digital Humidity Sensor XL 6.5L Water Tank Removes Condensation Humidity Damp Moisture Laundry Drying Continues Drainage Auto-Off 24 Hour Timer for Home Office**Nyxi**£101.16**4.3★413 rev](https://www.amazon.co.uk/dp/B0CX5C84BX) [4![COMFEE Easy Dry 20L/DAY Dehumidifier for Home Low Noise Level Continuous Drainage with Drain Hose Smart Control 3L Water Tank Ideal for Bedroom Bathroom Laundry Drying Attic Basement Office](https://m.media-amazon.com/images/I/311pTqHaSjL.jpg)**COMFEE Easy Dry 20L/DAY Dehumidifier for Home Low Noise Level Continuous Drainage with Drain Hose Smart Control 3L Water Tank Ideal for Bedroom Bathroom Laundry Drying Attic Basement Office**COMFEE'**£97.36**4.3★2,046 rev](https://www.amazon.co.uk/dp/B0DNHVTFR4) [5![AEOCKY 25L/D Dehumidifier for Home Smart Drying Mode 2.7L Tank](https://m.media-amazon.com/images/I/21zNpIDgV4L.jpg)**AEOCKY 25L/D Dehumidifier for Home Smart Drying Mode 2.7L Tank**AEOCKY**£106.32**4.7★6,278 rev](https://www.amazon.co.uk/dp/B0FJ22KTL8)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![AEOCKY 25L/D Compact Dehumidifier Continuous Drain Detachable Wheels](https://m.media-amazon.com/images/I/21ZfXIIq8pL.jpg)**AEOCKY 25L/D Compact Dehumidifier Continuous Drain Detachable Wheels**AEOCKY**£87.56**231 rev7mo ago](https://www.amazon.co.uk/dp/B0FSLK3DD9) [![Olsen & Smith 20L/Day Quiet Dehumidifier and HEPA Air Purifier for Home](https://m.media-amazon.com/images/I/41wObWiGQGL.jpg)**Olsen & Smith 20L/Day Quiet Dehumidifier and HEPA Air Purifier for Home**Olsen & Smith**£90.40**66 rev9mo ago](https://www.amazon.co.uk/dp/B0FYQVNYZQ) [![EcoNour 20L/Day Smart WiFi Dehumidifier for Home | Auto-Humidity Control | 4.5L Tank Laundry Dry Mode 24-Hr Timer | Child Lock Protection | Continuous Draining with smart app for Home Bedroom](https://m.media-amazon.com/images/I/41qi3d5SIkL.jpg)**EcoNour 20L/Day Smart WiFi Dehumidifier for Home | Auto-Humidity Control | 4.5L Tank Laundry Dry Mode 24-Hr Timer | Child Lock Protection | Continuous Draining with smart app for Home Bedroom**EcoNour**£87.35**213 rev9mo ago](https://www.amazon.co.uk/dp/B0FY36WV1D) [![AEOCKY 25L/D Dehumidifier for Home Smart Drying Mode 2.7L Tank](https://m.media-amazon.com/images/I/21zNpIDgV4L.jpg)**AEOCKY 25L/D Dehumidifier for Home Smart Drying Mode 2.7L Tank**AEOCKY**£106.32**6,278 rev9mo ago](https://www.amazon.co.uk/dp/B0FJ22KTL8) [![Dehumidifier 20L/Day Quiet Portable Compressor Dehumidifier for Bedroom Bathroom Warehouse with 3 Modes 24H Timer Continuous Drainage Humidity Control Dryer Function Auto Defrost Low Energy](https://m.media-amazon.com/images/I/31MF6ML96JL.jpg)**Dehumidifier 20L/Day Quiet Portable Compressor Dehumidifier for Bedroom Bathroom Warehouse with 3 Modes 24H Timer Continuous Drainage Humidity Control Dryer Function Auto Defrost Low Energy**TOIOVCU**£88.64**18 rev10mo ago](https://www.amazon.co.uk/dp/B0GTQ3P7ST)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Dehumidifier 20L/Day Quiet Portable Compressor Dehumidifier for Bedroom Bathroom Warehouse with 3 Modes 24H Timer Continuous Drainage Humidity Control Dryer Function Auto Defrost Low Energy](https://m.media-amazon.com/images/I/31MF6ML96JL.jpg)**Dehumidifier 20L/Day Quiet Portable Compressor Dehumidifier for Bedroom Bathroom Warehouse with 3 Modes 24H Timer Continuous Drainage Humidity Control Dryer Function Auto Defrost Low Energy**TOIOVCU**£88.64**5.0★**▲ 1000%**](https://www.amazon.co.uk/dp/B0GTQ3P7ST) [![HOMCOM 20L/Day Portable Dehumidifier for Home with LED Screen Sleep Mode](https://m.media-amazon.com/images/I/31UxOpFhLWL.jpg)**HOMCOM 20L/Day Portable Dehumidifier for Home with LED Screen Sleep Mode**HOMCOM**£68.50**4.5★**▲ 757%**](https://www.amazon.co.uk/dp/B09PQT8JP1) [![Dehumidifier 20L/Day Dehumidifiers for Home with 6L Water Tank](https://m.media-amazon.com/images/I/311wQ5Yy2tL.jpg)**Dehumidifier 20L/Day Dehumidifiers for Home with 6L Water Tank**Smeeyo**£114.01**4.4★**▲ 456%**](https://www.amazon.co.uk/dp/B0FMY4BHG1) [![Olsen & Smith 20L/Day Quiet Dehumidifier and HEPA Air Purifier for Home](https://m.media-amazon.com/images/I/41wObWiGQGL.jpg)**Olsen & Smith 20L/Day Quiet Dehumidifier and HEPA Air Purifier for Home**Olsen & Smith**£90.40**4.5★**▲ 192%**](https://www.amazon.co.uk/dp/B0FYQVNYZQ) [![AEOCKY 25L/D Compact Dehumidifier Continuous Drain Detachable Wheels](https://m.media-amazon.com/images/I/21ZfXIIq8pL.jpg)**AEOCKY 25L/D Compact Dehumidifier Continuous Drain Detachable Wheels**AEOCKY**£87.56**4.5★**▲ 159%**](https://www.amazon.co.uk/dp/B0FSLK3DD9)

**~~View all trending →~~**

## **What buyers say about dehumidifier 20l**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**21%

*“Looks like a real quality product”*

**Value For Money**18%

*“Excellent value for money”*

**Ease Of Use**10%

*“Easy to use”*

**Advertised Vs Actual Product**8%

*“Just what I needed”*

**Efficiency**7%

*“Really effective”*

**Strength**4%

*“It's a powerful machine”*

**Ease Of Cleaning**2%

*“easy to keep clean as well”*

**Compactness**2%

*“Very compact”*

**Size-Overall**2%

*“Excellent size”*

**Noise Level**2%

*“It is quiet and very efficient”*

### **What buyers complain about **

**Size-Overall**12%

*“Slightly small tank”*

**Durability**10%

*“Not durable”*

**Functionality-Overall**7%

*“appears to have just stopped working”*

**Leak-Proof**7%

*“Also leaks easily”*

**Instructions/User Manual/Troubleshooting**6%

*“The instructions are poor”*

**Quality-Overall**5%

*“Bad quality”*

**Ease Of Use**4%

*“Nightmare for constant working”*

**Noise Level**4%

*“a bit loud to use in the bed room”*

**Advertised Vs Actual Product**3%

*“wrong description”*

**Water Resistance**2%

*“Water is leaking”*

### **Top return reasons **

**Functionality-Overall**26%

**Size-Overall**14%

**Leak-Proof**7%

**Noise Level**5%

**Water Resistance**5%

**Strength**4%

**Quality-Overall**3%

**Advertised Vs Actual Product**3%

**Weight Heavy**3%

**Durability**3%

## **Common questions**

<dl>

<dt>**Is dehumidifier 20l profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £368K/yr across 41 tracked products. 9 of 14 products launched in the last 360 days are still selling. 90-day search growth is -64.3%. Flapen's verdict: Worth a look (50/100).</dd>

<dt>**How competitive is the dehumidifier 20l niche?**</dt><dd>31 brands and 50 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 49% of demand.</dd>

<dt>**What do buyers complain about in dehumidifier 20l?**</dt><dd>Top complaints mined from reviews: Size-Overall, Durability, Functionality-Overall. The return rate is 2.3%.</dd>

<dt>**When does demand for dehumidifier 20l peak?**</dt><dd>Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 16.7× the quietest.</dd>

<dt>**What does it cost to enter the dehumidifier 20l niche?**</dt><dd>Listings span £56.90–£198.82; the average listing price is £103.48 (sweet spot $15–$100). The average incumbent carries 646 reviews — the moat a new listing must climb.</dd>

</dl>

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