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98% Feefo rating

6 metre x 5 metre Flexiliner Pond Liners

Our bestselling 3-ply pondliners available in 36 different sizes and are guaranteed for up to 35 years.

Average Rating

Feefo Star Rating(5/5)
27customer reviews
Pond liner length
Pond liner width
To Fit pond (with 1m depth) - width
To Fit pond (with 1m depth) - length
Choose a guarantee
Our flexiliner pondliners are guaranteed for either 15, 25 or 40 years.
Choose which guarantee pondliner you want below:

15 year guarantee


25 year guarantee


40 year guarantee

Have you chosen an underlay?
Buy a pondliner with a 40 year guarantee and get half price underlay. We have the following underlay products to match this pond liner:

Basic quality


Best quality


For ponds with a 6 metre x 5 metre pondliner:

We recommend the following products for a pond created with this liner:

hozelock cascade 1500 fountain pump
Hozelock Cascade 1500 Fountain Pump

our price: 54.99

FeeFo Feedback

Flexiliner Pond Liner reviews

Feedback for Flexiliner Pond Liners has been compiled from 27 customer reviews

Date Product Score Customer Comment

Pond Liner 6x5m 40yr Plus Underlay


Great bit of kit, easy to install.

25yr pondliner 6x5


good value for money, easy enough to manipulate and fold but looks sturdy enough for the job

Pond Liner 6x5m 40yr Plus Underlay


The easy installation and user guides provided made this project straightforward.

Pond Liner 6x5m 40yr Plus Underlay

  • Customer also bought: .... :
  • PondXpert TripleAction 4500 Evolve 11w

Good quality, easy to install

25yr pondliner 6x5

  • Customer also bought: .... :
  • PondXpert Stone Liner 0.6m x 1m Classic Stone
  • EasyPond Box Set 6000
  • 3-way Weatherproof Switch Box

No problems and the same solution as our previous pond

Flexiliner 6x5m 40yr - Free Underlay


Good product for the price and very quick delivery.

Flexiliner 6x5m 40yr - Free Underlay


Surprisingly easy to handle and fit.

Flexiliner 6x5m 40yr - Free Underlay


Packaged well, arrived promptly and was exactly as described. I found the liner and underlay very easy to work with on my own and it has transformed our little garden

Flexiliner 6x5m 40yr - Free Underlay


Price was.good, service was good and product was just what I wanted.

40yr pondliner 6x5

  • Customer also bought: .... :
  • Pond Fleece Underlay 6x5
  • 6-way Weatherproof Switch Box
  • Ubbink Wide Kidney Shape Planting Basket - 3 Pack
  • Velda Pond Planting Bags Medium 25x25cm - 3 Pack

Good quality as expected and the right price.Very flexible making it easy to hide the folds but also very strong

Flexiliner 6x5m 40yr - Free Underlay


The liner came free so we saved a lot of money thank you pond keepet

Flexiliner 6x5m 40yr - Free Underlay

  • Customer also bought: .... :
  • Velda Pond Liner Edge Overgrowing Mat
  • Medium Pond Liner Repair Kit - 50x50cm Flexiliner Liner piece & 3m Cold Glue

Needed liner urgent before weather got too cold. Very different feel to old liner but easy to handle and install, pleased with result.

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