---
title: "Foaming Drain Cleaner — £158K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/foaming-drain-cleaner"
last_updated: "2026-07-31T19:22:33.275Z"
locale: en
meta:
description: "Niche score 49/100 · £158K/yr market · 131K searches/yr · £11.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · £158K/yr market · 131K searches/yr · £11.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Foaming Drain Cleaner — £158K/yr Amazon UK Niche (2026) - Flapen"
---
# **foaming drain cleaner**
**Skip it**
A concentrated shelf (top 5 take 79% of clicks) — this niche doesn't clear our bar today.
Market size 33Growth 25Conversion 90Competition 18Returns 99Price range 51Avg price 44Brand share 22Review moat 47Quality gap 96
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Quality gap**
**Incredible****4.0★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Great****10.8%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****£2.56–£28.07**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****1,826.23**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Okay****£11.24**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****£158K**
£158K/yr · 131K searches
**Growth**
**Okay****+0.1%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****79%**
top-5 click share — a locked-up shelf
**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=uk&signal=quality_gap "Avg rating < 4.0")
According to Flapen's Amazon United Kingdom niche tracking, foaming drain cleaner is a £158K/yr Amazon United Kingdom market (131K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in May. Verdict: Skip it — 49/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **foaming drain cleaner market data**
- **Units sold / yr**
- **10K–13K**
- avg 500–750/product
- **Revenue / yr**
- **£112K–£141K**
- units × avg price
- **Conversion rate**
- **10.8%**
- **Avg BSR**
- **#121**
- **Page quality**
- **0%**
- **Prime**
- **54%**
- **Sponsored**
- **62%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **27 months**
- **Avg seller age**
- **175 days**
## **Competition & brand share**
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**92**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**79%**
Top 20: 100%
**Open market**
**5%**
- Mr Muscle38% - Virofoam32% - Elbow Grease9% - Generic8% - Bisienya5% - Buster3% - Open — no brand owns it (3 brands, 5%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +0.1% search growth over the last 90 days.
6K4KSpike '24Holiday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/uk/grocery/foaming-drain-cleaner/trend)
## **Top foaming drain cleaner search terms**
- **mr muscle drain foamer**18K/yr-27.4%11.7% conv. - **foam drain cleaner**21K/yr-9.8%3.4% conv. - **drain foam cleaner**14K/yr+31.8%4.6% conv. - **foaming drain cleaner**14K/yr-5.1%4.8% conv. - **sink foam drain cleaner**7K/yr+64.1%3.9% conv. - **sink foam**4K/yr+201.5%5.3% conv. - **drain cleaner foam**10K/yr-18.1%3.5% conv. - **drain foam**6K/yr+7.6%5.4% conv. - **drain foamer**3K/yr-0.3%9.8% conv. - **sink cleaner foam**9K/yr-39.4%3.3% conv. [**All search terms **](https://flapen.com/research/uk/grocery/foaming-drain-cleaner/search-terms)
## **Top foaming drain cleaner 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%10%£16K20%£32K30%£48K40%£63K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Mr Muscle Drain Foamer (500 ml) Drain Cleaning Foam to Unblock & Eliminate Odour**Mr Muscle**£2.56**4.4★9,606 rev](https://www.amazon.co.uk/dp/B01CNINGZ2) [2**Virofoam 360 Drain and Overflow Cleaning Solution**Virofoam**£8.32**3.9★203 rev](https://www.amazon.co.uk/dp/B0DBWK2Y13) [3**Virofoam 360 Drain and Overflow Cleaning Solution - Mega Pack**Virofoam**£20.01**4.2★51 rev](https://www.amazon.co.uk/dp/B0DJWN89M9) [4**Elbow Grease Foaming Drain Cleaner Berry Blast and Lemon Fresh Fragrances 500g Pack of 2**Elbow Grease**£6.95**4.5★21 rev](https://www.amazon.co.uk/dp/B0F6JS7Z6Y) [5**Drain Cleaner Foam for Kitchen Bathtub and Slow Drainage - Unblocker With Pipe Dredging Brush (500ml)**Bisienya**£13.69**2.9★23 rev](https://www.amazon.co.uk/dp/B0DGXP2BY4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Kombat Drain Power Foam Cleaner Ocean Force Scent 450ml No Chlorine**Generic**£9.95**6 rev11mo ago](https://www.amazon.co.uk/dp/B0FLWTT9WS) [**Kombat Drain Power Foam Cleaner Ocean Force Scent 450ml Chlorine-Free**Generic**£9.93**11 rev11mo ago](https://www.amazon.co.uk/dp/B0FLWX2DXS) [**Buster Plughole Clean & Fresh Granules (Eucalyptus) 300g**Buster**£3.35**657 rev1y ago](https://www.amazon.co.uk/dp/B0FH55PPM5) [**Elbow Grease Foaming Drain Cleaner Berry Blast and Lemon Fresh Fragrances 500g Pack of 2**Elbow Grease**£6.95**21 rev1y ago](https://www.amazon.co.uk/dp/B0F6JS7Z6Y) [**2PCS Powerful Sink Foaming Sink and Drain Cleaner Wild Si/nk and Dra/in Cleaner Drain Clog Remover Powerful Pipe Dredging Agent Pipe Dredge Deodorant Dr/ain Unblocker Liquid Heavy Duty for Bathroom**Xinyig**£8.72**291 rev1y ago](https://www.amazon.co.uk/dp/B0DTHB8GYJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Buster Plughole Clean & Fresh Granules (Eucalyptus) 300g**Buster**£3.35**4.4★**▲ 73%**](https://www.amazon.co.uk/dp/B0FH55PPM5) [**Elbow Grease Foaming Drain Cleaner Berry Blast and Lemon Fresh Fragrances 500g Pack of 2**Elbow Grease**£6.95**4.5★**▲ 62%**](https://www.amazon.co.uk/dp/B0F6JS7Z6Y) [**Kombat Drain Power Foam Cleaner Ocean Force Scent 450ml Chlorine-Free**Generic**£9.93**4.0★**▲ 55%**](https://www.amazon.co.uk/dp/B0FLWX2DXS) [**Kombat Drain Power Foam Cleaner Ocean Force Scent 450ml No Chlorine**Generic**£9.95**4.3★**▲ 23%**](https://www.amazon.co.uk/dp/B0FLWTT9WS) [**Mr Muscle Drain Foamer (500 ml) Drain Cleaning Foam to Unblock & Eliminate Odour**Mr Muscle**£2.56**4.4★**▲ 19%**](https://www.amazon.co.uk/dp/B01CNINGZ2)
**~~View all trending →~~**
## **What buyers say about foaming drain cleaner**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**17%
*“It arrived as described”*
**Quality-Overall**15%
*“Quality drain unblocker”*
**Value For Money**13%
*“Value for Money”*
**Smell**11%
*“Smells fresh”*
**Efficiency**10%
*“Effective”*
**Ease Of Use**9%
*“Convenient DIY”*
**Ease Of Cleaning**6%
*“The sink hole was lovely and clean”*
**Functionality-Overall**2%
*“Effectiveness”*
**Spray/Flow**2%
*“the water is flowing down the drain much easier”*
**Strength**2%
*“Very strong”*
### **What buyers complain about **
**Functionality-Overall**34%
*“Not effective”*
**Value For Money**10%
*“Waste of money”*
**Advertised Vs Actual Product**10%
*“Doesn't do what it said on the box”*
**Size-Overall**7%
*“Small tubs”*
**Smell**6%
*“- Strong odor”*
**Leak-Proof**4%
*“Arrived leaking”*
**Jamming/Clogging**3%
*“the drain didnt unclog”*
**Natural Resource Wastage**3%
*“complite waste of money”*
**Quality-Overall**3%
*“the sanitiser gel in my opinion is not the same quality product”*
**Ease Of Cleaning**2%
*“No better than any proprietary liquid drain cleaner”*
### **Top return reasons **
**Functionality-Overall**35%
**Leak-Proof**22%
**Value For Money**8%
**Eco Friendliness**7%
**Advertised Vs Actual Product**5%
**Compatibility-Overall**3%
**Quality-Overall**3%
**Jamming/Clogging**3%
**Smell**2%
**Size-Overall**2%
## **Common questions**
- **Is foaming drain cleaner profitable to sell on Amazon United Kingdom?**
- The niche generates £158K/yr across 13 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +0.1%. Flapen's verdict: Skip it (49/100).
- **How competitive is the foaming drain cleaner niche?**
- 9 brands and 92 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in foaming drain cleaner?**
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Advertised Vs Actual Product. The return rate is 0.1%.
- **When does demand for foaming drain cleaner peak?**
- Demand peaks in May; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the foaming drain cleaner niche?**
- Listings span £2.56–£28.07; the average listing price is £11.24 (sweet spot $15–$100). The average incumbent carries 1,826 reviews — the moat a new listing must climb.
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