flood barrier
Skip itSoft demand (-52.4% this quarter) — this niche doesn't clear our bar today.
Returns
Great1.2%return rate — above 5% kills the launch gate
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Avg price
Great£65.18avg listing price — sweet spot $15–$100
Brand share
Good70%top-5 brand share — brands hold most of the demand
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Review moat
Good1,443.97avg incumbent reviews — the moat a new listing must climb
Price range
Okay£8.65–£256.63cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Market size
Bad£57K£57K/yr · 36K searches
Growth
Bad-52.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, flood barrier is a £57K/yr Amazon United Kingdom market (36K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Sep–Oct–Nov–Dec. Verdict: Skip it — 46/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
flood barrier market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- £81K–£98K
- units × avg price
- Conversion rate
- 2.4%
- Avg BSR
- #937
- Page quality
- 0%
- Prime
- 72%
- Sponsored
- 75%
- Out of stock
- 7.1%
- Avg brand age
- 41 months
- Avg seller age
- 214 days
Competition & brand share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
21 rising
Sellers
42
Top-5 brand share
70%
Top 20: 99%
Top-5 click share
52%
Top 20: 90%
Open market
26%
- Floodshield25%
- Generic15%
- Quick Dam13%
- Jwthee12%
- HydroSnake5%
- Qualfair4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -52.4% search growth over the last 90 days.Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 9.0×
Top flood barrier search terms
- flood barrier19K/yr
- flood defence barriers12K/yr
- flood barriers for doors5K/yr
Top flood barrier 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Floodshield Flood Sock 1.5m Barrier
Floodshield£12.304.2★135 rev
Floodshield Flood Sock 3m Barrier
Floodshield£21.334.2★135 rev
Water Activated Flood Barriers 5PCS Sandbags for Flooding Reusable Absorbent Flood Barriers Sandless Sandbag for Rain Water Control for Garage and Home Doors
Jwthee£24.283.7★23 rev
Quick Dam QD610-1 Water-Activated Flood Barrier-1 Pack 10-ft Black
Quick Dam£20.924.3★13,533 rev
Flood Protection Barrier Portable Durable Flood Protection Baffle Aluminum Reusable Flood Garage Door Flood Barrier Threshold Kit Flood Flood Barrier Silver 100 * 60cm
Generic£126.090.0★0 rev
Newest
by launch date
Flood Gates for Doors Flood Barriers for Doors Flood Protection Barrier Door Reusable Flood Protection Barriers For Garage Aluminum Threshold Anti Flood Wall Driveway Doorway Silver 100 * 60cm
Generic£114.070 rev
4 Pack Flood Control Barrier Sandbags Thickened Canvas Reusable With Buckle Handles Velcro Suitable For Use At Doorways Garages And Basements For Flood Weighting (4)
Ywkdnf£20.3711 rev
2-Pack 5ft Reusable Water Activated Flood Barriers | Sandless Sandbags for Flooding Protection | Quick-Expansion Absorbent Barrier for Doors Garage Basement (Black)
RONGJUKD£17.322 rev
Flood Protection Barrier Portable Durable Flood Protection Baffle Aluminum Reusable Flood Garage Door Flood Barrier Threshold Kit Flood Flood Barrier Silver 100 * 60cm
Generic£126.090 rev
10 Pcs Water Activated Barrier Thickened Flood Protection Sand Bags Reusable Rain Wind Barriers Long Sandbags for Basement Floor Garage(150x15cm)
RWFMO£22.292 rev
Trending
90-day click momentum
Rankomu Water Activated Flood Barriers 150x20cm (5ft) 2Pcs Sandless Sand Bags Non Woven Absorbent Resin Double Layer Reusable Floor Prevention Bags for Home Door Garage Basement
Rankomu£8.652.7★
Flood Gates for Doors Flood Barriers for Doors Flood Protection Barrier Door Reusable Flood Protection Barriers For Garage Aluminum Threshold Anti Flood Wall Driveway Doorway Silver 100 * 60cm
Generic£114.070.0★
4 Pack Flood Control Barrier Sandbags Thickened Canvas Reusable With Buckle Handles Velcro Suitable For Use At Doorways Garages And Basements For Flood Weighting (4)
Ywkdnf£20.374.7★
10 Pcs Water Activated Barrier Thickened Flood Protection Sand Bags Reusable Rain Wind Barriers Long Sandbags for Basement Floor Garage(150x15cm)
RWFMO£22.293.5★
2-Pack 5ft Reusable Water Activated Flood Barriers | Sandless Sandbags for Flooding Protection | Quick-Expansion Absorbent Barrier for Doors Garage Basement (Black)
RONGJUKD£17.323.5★
What buyers say about flood barrier
What buyers praise and complain about, mined from review topics.What buyers love
“Well pleased well made”
“Works well”
“Fit for purpose”
“straightforward to use”
“This does absorb a huge amount of water for its size”
“These are very sturdy”
“the buckle clip is a good thickness”
“As advertised”
“Light compact and do the job”
“Great bit of kit expanded with the water”
What buyers complain about
“will not do any good. depending on how often these are moved of course”
“These are on a completely different level in terms of quality”
“but water leaked passed”
“Yes when first seen the flood barriers are flat and thin and I did have concerns they would work”
“Not strong enough”
“Waste of money”
“Waste of money”
“Worked partially and the gluey stickiness underneath is not nice”
“Looks can be deceiving”
“heavy to move”
Top return reasons
Common questions
- Is flood barrier profitable to sell on Amazon United Kingdom?
- The niche generates £57K/yr across 32 tracked products. 1 of 9 products launched in the last 360 days are still selling. 90-day search growth is -52.4%. Flapen's verdict: Skip it (46/100).
- How competitive is the flood barrier niche?
- 21 brands and 42 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 70% of demand.
- What do buyers complain about in flood barrier?
- Top complaints mined from reviews: Functionality-Overall, Quality-Overall, Leak-Proof. The return rate is 1.2%.
- When does demand for flood barrier peak?
- Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 9.0× the quietest.
- What does it cost to enter the flood barrier niche?
- Listings span £8.65–£256.63; the average listing price is £65.18 (sweet spot $15–$100). The average incumbent carries 1,444 reviews — the moat a new listing must climb.