Pond liner underlays in comparison
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Last updated on 04.10.2026
1
allpondsolutions Pond Underlay White Thick Pond Liner Underlay 5x2m – Rot, Tear & Puncture Resistant
allpondsolutions
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9,9
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2
Swell 4m x 5m Pond Liner, HDPE, UV Resistant 25 Year Guarantee
Swell UK
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9,8
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3
Pond Liner 4m x 4m (13' x 13') 40yr Guarantee with Free Underlay
PondHero
free shipping
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9,6
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4
Flexiliner Pond Liner 4x3m with 40yr Guarantee and FREE Underlay
Flexiliner
free shipping
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9,6
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5
Bradshaws Direct Aquatic Underlay 4m x 2m Sheet (8 sq.m) for use with pond liner.
Bradshaws Direct
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To the product (1 offer)
9,6
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6
Geotextile Underlay for Garden Ponds (7m2)
Butek Ponds
free shipping
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9,4
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7
MYPURECORE Pond Liner – Various Sizes – Heavy Duty HDPE Material - UV & Tear Resistant, Flexible for Koi & Fish Pools, Water Gardens - Ideal for Small to Large Ponds, Wildlife (4m x 4m)
MYPURECORE YOU AT THE CORE
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9,3
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8
PondKraft 3m x 3m Pond Liner FREE UNDERLAY | Flexible and Durable | UV Resistant | Koi and Fish Pools | Heavy Duty
PondKraft
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9,2
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9
Pisces Pond Underlay 2 x 3m (6 sq.m) Flexible & Durable Aquatic Liner for Ponds, Fountains, Streams
Pisces
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9,2
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10
Storystore Pond Liner, 3mx4m Preformed Pond Liner 0.5mm HDPE Black Heavy Duty Underlay Garden Membrane Pond Lining for Fish Pond Landscaping, Garden Pool, Water Feature Streams Fountains
Storystore
5% off
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9,2
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You might also be interested in these pond liner underlays.
Pond Liner 4m x 4m with Underlay - 200 GSM Flexible Tear Resistant UV Resistant Garden Fish Pond Sheet with 50 GSM Protective Underlay - Durable Waterproof Liner for Koi Ponds, Waterfalls, Fountains
Complete Pond Liner Kit - Includes 200 GSM flexible pond liner and 50 GSM eco underlay fabric. Provides strong, tear-resistant, waterproof protection with added durability for long-lasting pond setups.
£ 25.85
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To the product (1 offer)
15% off
iropro 4m x 10m Heavy Duty Weed Control Membrane Garden Weed Barrier Fabric for Landscaping Driveway Gravel Artificial Grass Lawn Underlay Black Woven Roll Ground Cover
[A Variety of Sizes are Available to Suit Your Everyday Gardening Needs] We offer 10 sizes of weed membrane for you to choose from to meet your different usage needs. [PLEASE NOTE]: Please check the size you need before you choose, the 3 witdths of 2m/3m/4m weed cloths are folded and then rolled up when they are packed, please unroll the product completely after opening the package.
£ 25.79
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PolyEx PondKraft Pond Liners with FREE Underlay (4m x 3m)
Guaranteed for LIFE, Strong durable and flexible, UV stabilised, Rot resistant Coating, Reversible Black/Brown Finish
£ 46.99
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AP Supplies 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 (4m x 6m)
Complete Pond Lining Kit for Long-Lasting Protection Includes a premium 200gsm liner plus 50gsm eco underlay, giving your pond a highly durable, leak-resistant foundation that withstands daily wear, uneven ground and outdoor conditions.
£ 28.99
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primrose.co.uk Bermuda Cove Pre Formed Pond 84cm x 64cm / Pond Liner
Integral pump holding recess
£ 32.95
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B2C Extra thick pond liner Heavy Duty Durable HDPE 25 year warranty 200gsm - 035mm thick ***FREE UNDERLAY*** (4m x 5m (13'x16'))
【Thick Pond Lining 】:Our pond liner is made of superior high tension polypropylene material with 0.35MM thickness, which has high durability ,tension and UV resistance .This pond liner can withstand a variety of weather and water conditions, long lifetime can avoid the hassle of replacing the fish pond regularly
£ 38.84
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Cost Wise Garden Pebble Effect Pond Liner with Underlay – Heavy Duty 450GSM Flexible PVC for Fish Ponds, Koi Pools & Wildlife Refuges (3m x3m)
Realistic Pebble Effect Finish – Creates a natural stone appearance that blends beautifully into garden ponds without loose gravel.
£ 31.99
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SDLDEER Pond Liner 3m x 4m Black HDPE Heavy Duty Pond Liners 0.5mm Thick | Preformed Garden Underlay for Fountains, Fish Pond Landscaping, Garden Pool, Water Garden and Waterfall
【Premium material】The Pond Liner is made of high quality HDPE material and offers higher flexibility, high durability and long service life.
£ 35.99
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Blagdon Replacement Replacement Liner and Underlay for the No Dig Nature Pond, Black/White
Keep your Liberty Solar No Dig Nature Pool in working order with this replacement liner and liner underlay
£ 74.95
free shipping
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Gordon Low Pond Grade Underlay 2 x 5m Pack
Gordon Low
£ 31.09
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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)
Safe Material: This pond liner is made of high-quality LDPE, which is safe, durable, odorless, leak-proof and not easy to break. It can be used for a long time, not only making your aquatic life full of vitality, but also effectively keeping the pond water pure.
£ 59.99
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HonGien Pond Liner High Tensile Waterproof Pond Liners Ideal for Fish Ponds Lotus Ponds Aquaculture Ponds Fountains Black Heavy Duty HDPE UV Resistance Garden Wildlife Pond Liners (3x4m)
Premium Construction:HDPE impermeable pond membrane is made of high-quality polyethylene material, which has excellent aging resistance, UV resistance, and decomposition resistance, and can maintain stable performance even when used outdoors for a long period of time, prolonging the service life of the pond.
£ 25.99
free shipping
To the product (1 offer)