pond liner
Worth a lookShows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Growth
Great+79.8%90-day search growth — must beat 0% to launch
Price range
Great£4.98–£51.51cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great£15.23avg listing price — sweet spot $15–$100
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Brand share
Good64%top-5 brand share — brands hold most of the demand
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Good991.48avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.0%search→purchase rate — share of searches ending in a sale
Market size
Okay£236K£236K/yr · 308K searches
According to Flapen's Amazon United Kingdom niche tracking, pond liner is a £236K/yr Amazon United Kingdom market (308K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 69/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
pond liner market data
- Units sold / yr
- 15K–20K
- avg 250–500/product
- Revenue / yr
- £228K–£305K
- units × avg price
- Conversion rate
- 5.0%
- Avg BSR
- #373
- Page quality
- 0%
- Prime
- 58%
- Sponsored
- 91%
- Out of stock
- 14.1%
- Avg brand age
- 40 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
19 falling
Sellers
23
Top-5 brand share
64%
Top 20: 100%
Top-5 click share
43%
Top 20: 87%
Open market
29%
- MIKIICOCO16%
- GARDENIX16%
- Swell UK14%
- PondKraft9%
- MYPURECORE YOU AT THE CORE8%
- WARM&LOVE8%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +79.8% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 9.3×
Top pond liner search terms
- pond liner226K/yr
- pond liner 2m x 2m15K/yr
- small pond liner10K/yr
- pool liner7K/yr
- pond liners10K/yr
- pond liners for outdoor ponds8K/yr
- butyl pond liner7K/yr
- rubber pond liner7K/yr
- heavy duty pond liner6K/yr
- 2m x 2m pond liner3K/yr
Top pond liner 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
MIKIICOCO Pond Liner 3 x 2m Waterproof Flexible
MIKIICOCO£8.564.2★157 rev
GARDENIX Pond Liner Premium 200gsm 1m x 1m Wildlife and Decorative Ponds - UV Resistant for Fish Ponds in the Garden Durable Tear-Resistant - Pool Foundation
GARDENIX£5.234.3★137 rev
WARM&LOVE 2m x 3m Pond Liners Cut Black HDPE UV and Weather Resistant Swimming Pool Film Tarpaulin Black for Fish Ponds Fountains Water Garden and Waterfall Thickness 0.1mm
WARM&LOVE£6.833.8★471 rev
Swell UK Pond Liner | 25 Year Guarantee |HDPE | UV Resistant | Garden Fish Ponds (2m x 2m)
Swell UK£7.474.5★4,511 rev
GARDENIX Pond Liner Premium 200gsm 2.5m x 2.5m Wildlife and Decorative Ponds - UV Resistant for Fish Ponds in the Garden Durable Tear-Resistant - Pool Foundation
GARDENIX£9.344.3★137 rev
Newest
by launch date
mawmuaw Pond Liner 2x2 m HDPE Heavy Duty Pond Liners Waterproof Flexible Lining Preformed Garden 0.1mm Thick Pool Membrane Black for Gardens Fish Ponds Landscaping Waterfall Fountain Greenhouse Film
mawmuaw£7.5668 rev
mawmuaw Pond Liner 2x2 m HDPE Heavy Duty Pond Liners Waterproof Flexible Lining Preformed Garden 0.2mm Thick Pool Membrane Black for Gardens Fish Ponds Landscaping Waterfall Fountain Greenhouse Film
mawmuaw£8.4568 rev
aotuo0608 Pond Liner Small Pond Liner Waterproof Membrane Underlay Rubber Tarp for Outdoor Ponds Preformed Pool Liners for Garden Fish Ponds Water Features & Streams (2mx2mx0.2mm)
aotuo0608£8.1819 rev
GARDENIX Pond Liner Premium 200gsm 1m x 1m Wildlife and Decorative Ponds - UV Resistant for Fish Ponds in the Garden Durable Tear-Resistant - Pool Foundation
GARDENIX£5.23137 rev
GARDENIX Pond Liner Premium 200gsm 2.5m x 2.5m Wildlife and Decorative Ponds - UV Resistant for Fish Ponds in the Garden Durable Tear-Resistant - Pool Foundation
GARDENIX£9.34137 rev
Trending
90-day click momentummawmuaw Pond Liner 2x2 m HDPE Heavy Duty Pond Liners Waterproof Flexible Lining Preformed Garden 0.2mm Thick Pool Membrane Black for Gardens Fish Ponds Landscaping Waterfall Fountain Greenhouse Film
mawmuaw£8.453.8★
GARDENIX Pond Liner Premium 200gsm 2.5m x 2.5m Wildlife and Decorative Ponds - UV Resistant for Fish Ponds in the Garden Durable Tear-Resistant - Pool Foundation
GARDENIX£9.344.3★
PondKraft 3m x 2.5mPond Liner | 25 YEAR GUARANTEE | Flexible and Durable | UV Resistant | Koi and Fish Pools | Heavy Duty
PondKraft£13.024.6★
PondKraft 4m x 3mPond Liner | 25 YEAR GUARANTEE | Flexible and Durable | UV Resistant | Koi and Fish Pools | Heavy Duty
PondKraft£20.044.6★
Pond Liner 2.5 x 2.5 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£9.074.5★
What buyers say about pond liner
What buyers praise and complain about, mined from review topics.What buyers love
“Affordable quality”
“Good for the money”
“Perfect fit”
“Really strong”
“Just what I needed”
“Easy to use”
“this holds water very well”
“Cutting it to size is very straightforward”
“Really good thick sheets”
“It seems durable”
What buyers complain about
“Developed a leak”
“Sometimes cheapest is not the best”
“Get a dustbin bag will be thicker”
“Product did not hold water”
“Plastic sheeting not proper pond liner”
“Not fit for purpose”
“it's thin”
“its expensive”
“Not as durable as I had hoped”
“the seam failed to hold”
Top return reasons
Common questions
- Is pond liner profitable to sell on Amazon United Kingdom?
- The niche generates £236K/yr across 33 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is +79.8%. Flapen's verdict: Worth a look (69/100).
- How competitive is the pond liner niche?
- 19 brands and 23 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 64% of demand.
- What do buyers complain about in pond liner?
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Thickness. The return rate is 0.2%.
- When does demand for pond liner peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 9.3× the quietest.
- What does it cost to enter the pond liner niche?
- Listings span £4.98–£51.51; the average listing price is £15.23 (sweet spot $15–$100). The average incumbent carries 991 reviews — the moat a new listing must climb.