pond liner 5m x 5m
Worth a lookShows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Avg price
Incredible£37.31avg listing price — sweet spot $15–$100
Price range
Great£10.44–£113.19cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good41%top-5 click share — leaders hold, buyers still browse
Growth
Good+55.0%90-day search growth — must beat 0% to launch
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Good928.79avg incumbent reviews — the moat a new listing must climb
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Market size
Bad£18K£18K/yr · 15K searches
According to Flapen's Amazon United Kingdom niche tracking, pond liner 5m x 5m is a £18K/yr Amazon United Kingdom market (15K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 59/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
pond liner 5m x 5m market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- £19K–£28K
- units × avg price
- Conversion rate
- 3.1%
- Avg BSR
- #28
- Page quality
- 0%
- Prime
- 33%
- Sponsored
- 90%
- Out of stock
- 5.5%
- Avg brand age
- 50 months
- Avg seller age
- 232 days
Competition & brand share
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.Brands
18 rising
Sellers
25
Top-5 brand share
77%
Top 20: 100%
Top-5 click share
41%
Top 20: 74%
Open market
14%
- Swell UK28%
- SolaDirect19%
- PondKraft13%
- AP Supplies9%
- B2C8%
- MYPURECORE YOU AT THE CORE8%
- Open — no brand owns it (12 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +55.0% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 10.0×
Top pond liner 5m x 5m search terms
- pond liner 6m x 6m6K/yr
- pond liner 5m x 5m8K/yr
- pond liner 6m x 5m1K/yr
Top pond liner 5m x 5m 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
Swell UK 6m x 6m Pond Liner | 25 Year Guarantee | HDPE | UV Resistant | Garden Fish Ponds
Swell UK£53.794.5★4,511 rev
PondKraft 6m x 6mPond Liner | 25 YEAR GUARANTEE | Flexible and Durable | UV Resistant | Koi and Fish Pools | Heavy Duty
PondKraft£54.694.6★386 rev
Pond Liner 6 x 6 m - 200 GSM Flexible Tear-Resistant UV-Resistant Garden Fish Pond Liner for Water Features Koi Ponds Fountains Landscaping - Durable Long Lasting Heavy Duty Waterproof Sheet
SolaDirect£26.824.5★870 rev
Pond Liner 5 x 5 m - 200 GSM Flexible Tear-Resistant UV-Resistant Garden Fish Pond Liner for Water Features Koi Ponds Fountains Landscaping - Durable Long Lasting Heavy Duty Waterproof Sheet
SolaDirect£24.104.5★870 rev
Swell UK 5m x 5m Pond Liner | 25 Year Guarantee | HDPE | UV Resistant | Garden Fish Ponds
Swell UK£37.454.5★4,511 rev
Newest
by launch date
AP Supplies 5m x 5m Pond Liner 200GSM with Underlay 50GSM Heavy Duty Flexible Garden Pond Liner & Protective Eco Underlay for Koi Ponds Wildlife Ponds & Water Features UV & Tear Resistant
AP Supplies£28.6313 rev
TezhiIe Black LDPE Pond Liner 4m*5m 20 Mil Large Fish Pond Liner Heavy Duty Flexible Waterproof Sheet for Garden Ponds Fish Ponds Water Features Streams Fountains (4m*5m)
Tezhile£50.6722 rev
AP Supplies 5m x 6m Black Pond Liner 200g/sqm - Heavy Duty HDPE Material - UV & Tear Resistant Flexible for Koi & Fish Pools Water Garden - Ideal for Small to Large Ponds Wildlife Underlay
AP Supplies£25.68109 rev
MYPURECORE Pond Liner & Underlay Set HDPE Material UV & Tear Resistant Waterproof - Perfect for Small to Large Water Gardens Wildlife Ponds and Decorative Features (2.5m x 2.5m)
MYPURECORE YOU AT THE CORE£15.7765 rev
PondKraft 4m x 4mPond Liner | 25 YEAR GUARANTEE | Flexible and Durable | UV Resistant | Koi and Fish Pools | Heavy Duty
PondKraft£25.11386 rev
Trending
90-day click momentumAP Supplies 5m x 5m Pond Liner 200GSM with Underlay 50GSM Heavy Duty Flexible Garden Pond Liner & Protective Eco Underlay for Koi Ponds Wildlife Ponds & Water Features UV & Tear Resistant
AP Supplies£28.634.8★
MYPURECORE Pond Liner & Underlay Set HDPE Material UV & Tear Resistant Waterproof - Perfect for Small to Large Water Gardens Wildlife Ponds and Decorative Features (2.5m x 2.5m)
MYPURECORE YOU AT THE CORE£15.774.4★
B2C Extra thick pond liner Heavy Duty Durable HDPE 25 year warranty 200gsm - 035mm thick (5m x 5m (16x16))
B2C£28.504.4★
Swell UK 6m x 6m Pond Liner | 25-Year Guarantee | Heavy Duty Underlay | UV Resistant | Garden Fish Ponds
Swell UK£73.953.5★
Storystore Pond Liner 3mx4m Preformed Pond Liner HDPE Black Heavy Duty Underlay Garden Membrane Pond Lining for Fish Pond Landscaping Garden Pool Water Feature Streams Fountains
Storystore£29.984.2★
What buyers say about pond liner 5m x 5m
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality, came with underlay”
“Worth every penny”
“the difference it makes to the garden is wonderful”
“easy to use”
“Strong durable would buy again”
“Amazing product very tough”
“Great item, exactly as advertised”
“works fine heavy duty”
“it's easy to install”
“easily fitted”
What buyers complain about
“leaky liner”
“Product did not hold water”
“This is not good quality and leaked”
“Terrible split in 5 mins of being installed defo wouldnt recommend to anyone”
“is not as described”
“the fold will go thin”
“black the other”
“split the material”
“Not as durable as I had hoped”
Top return reasons
Common questions
- Is pond liner 5m x 5m profitable to sell on Amazon United Kingdom?
- The niche generates £18K/yr across 48 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is +55.0%. Flapen's verdict: Worth a look (59/100).
- How competitive is the pond liner 5m x 5m niche?
- 18 brands and 25 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 77% of demand.
- What do buyers complain about in pond liner 5m x 5m?
- Top complaints mined from reviews: Leak-Proof, Water Resistance, Quality-Overall. The return rate is 0.4%.
- When does demand for pond liner 5m x 5m peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 10.0× the quietest.
- What does it cost to enter the pond liner 5m x 5m niche?
- Listings span £10.44–£113.19; the average listing price is £37.31 (sweet spot $15–$100). The average incumbent carries 929 reviews — the moat a new listing must climb.