outdoor drain unblocker
Worth a lookShows low returns (0.1%), but soft demand (-2.6% this quarter) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great10.7%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Price range
Good£3.34–£26.52cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay1,643.64avg incumbent reviews — the moat a new listing must climb
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Market size
Okay£153K£153K/yr · 147K searches
Avg price
Okay£9.68avg listing price — sweet spot $15–$100
Growth
Bad-2.6%90-day search growth — must beat 0% to launch
Competition
Bad71%top-5 click share — a locked-up shelf
According to Flapen's Amazon United Kingdom niche tracking, outdoor drain unblocker is a £153K/yr Amazon United Kingdom market (147K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Mar–Apr. Verdict: Worth a look — 51/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
outdoor drain unblocker market data
- Units sold / yr
- 13K–15K
- avg 500–750/product
- Revenue / yr
- £121K–£145K
- units × avg price
- Conversion rate
- 10.7%
- Avg BSR
- #31
- Page quality
- 0%
- Prime
- 50%
- Sponsored
- 79%
- Out of stock
- 9.2%
- Avg brand age
- 36 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 falling
Sellers
67
Top-5 brand share
77%
Top 20: 89%
Top-5 click share
71%
Top 20: 100%
Open market
12%
- Jeyes47%
- Zep11%
- --11%
- Spear & Jackson7%
- Mr Muscle7%
- The Retail Heaven5%
- Open — no brand owns it (3 brands, 12%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.6% search growth over the last 90 days.Peak months: Mar, Apr · busiest ÷ quietest = 1.9×
Top outdoor drain unblocker search terms
- outdoor drain unblocker51K/yr
- outside drain unblocker33K/yr
- outdoor drain cleaner9K/yr
- outdoor drain unblocker heavy duty13K/yr
- outside drain unblocker heavy duty16K/yr
- outside drain cleaner8K/yr
- jeyes drain unblocker7K/yr
- drain unblocker outdoor5K/yr
- external drain unblocker6K/yr
Top outdoor drain unblocker 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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Jeyes Drain Unblocker (1L) - Outdoor Drain Unblocker Liquid Heavy Duty - Dissolves Grease Hair and Food Waste - Powerful Formula Works in 30 Minutes - Easy to Use No Dilution - Cleans and Deodorises
Jeyes£5.583.9★251 rev
2 x 500ml Outdoor Drain Cleaner Unblocker Fast Acting - Unblocks & Deodorises
--£4.373.9★224 rev
Zep Commercial Unblocker Heat Drain Liquid
Zep£9.994.4★646 rev
Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor 5 l (Pack of 1)
Spear & Jackson£17.304.2★904 rev
Jeyes Drain Unblocker Powerful Outdoor Cleaning Fluid Cleans and Deodorises 1 Litre
Jeyes£7.604.1★2,760 rev
Newest
by launch date
Jeyes Rapid Heat Outdoor Drain Unblocker 1L Heat-Activated Kitchen Sink Unblocker Heavy Duty Drain Cleaner Melts Grease Fat & Food Waste Fast Safe for All Pipes & Septic Systems
Jeyes£10.8826 rev
Jeyes Drain Unblocker (1L) - Outdoor Drain Unblocker Liquid Heavy Duty - Dissolves Grease Hair and Food Waste - Powerful Formula Works in 30 Minutes - Easy to Use No Dilution - Cleans and Deodorises
Jeyes£5.58251 rev
Strong Heavy Duty Industrial Sink & Drain Unblocker
Pluto Packaging£9.53102 rev
Powerful Caustic Soda Drain Cleaner | Effective Clog Remover Industrial Strength Formula Fast Action (3 X 375gm) (Packaging may vary)
EasyClean£8.88632 rev
MultiWare 5 Litre Drain Unblocker | Heavy Duty Sink & Drain Cleaner for Plug Holes Toilets Showers & Pipes | Powerful Toilet & Sink Unblocker for Home Office Garage & Shops | Cleaning Supplies
MultiWare£9.56303 rev
Trending
90-day click momentumJeyes Rapid Heat Outdoor Drain Unblocker 1L Heat-Activated Kitchen Sink Unblocker Heavy Duty Drain Cleaner Melts Grease Fat & Food Waste Fast Safe for All Pipes & Septic Systems
Jeyes£10.884.1★
Green Gobbler Main Line Drain Opener 3 8 L
Green Gobbler£26.523.7★
Jeyes Drain Unblocker (1L) - Outdoor Drain Unblocker Liquid Heavy Duty - Dissolves Grease Hair and Food Waste - Powerful Formula Works in 30 Minutes - Easy to Use No Dilution - Cleans and Deodorises
Jeyes£5.583.9★
Zep Commercial Unblocker Heat Drain Liquid
Zep£9.994.4★
Mr Muscle Drain Unblocker Liquid (1L) Sink & Drain Cleaner Strong & Fast Acting Heavy Duty Power Gel Dissolves Clogs (Packaging May Vary)
Mr Muscle£3.344.6★
What buyers say about outdoor drain unblocker
What buyers praise and complain about, mined from review topics.What buyers love
“True to its description”
“Quality drain unblocker”
“Best price”
“Works perfectly”
“Ease of Use”
“Excellent for cleaning drains”
“No chemical smells to it which is good”
“Does the job where other solutions don't”
“Very strong”
“The instructions were clear”
What buyers complain about
“Didnt seem to do anything”
“I think it's quite expensive for what it is”
“- Strong odor”
“it has been leaking as the photo shows”
“Not recommended as no safe instructions to follow”
“Simple kitchen sink clogged”
“complete waste of money”
“Definitely NOT powerful”
“Rubbish”
“impossible to open”
Top return reasons
Common questions
- Is outdoor drain unblocker profitable to sell on Amazon United Kingdom?
- The niche generates £153K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -2.6%. Flapen's verdict: Worth a look (51/100).
- How competitive is the outdoor drain unblocker niche?
- 9 brands and 67 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 77% of demand.
- What do buyers complain about in outdoor drain unblocker?
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Smell. The return rate is 0.1%.
- When does demand for outdoor drain unblocker peak?
- Demand peaks in Mar–Apr; the busiest month runs 1.9× the quietest.
- What does it cost to enter the outdoor drain unblocker niche?
- Listings span £3.34–£26.52; the average listing price is £9.68 (sweet spot $15–$100). The average incumbent carries 1,644 reviews — the moat a new listing must climb.