4 metre x 3 metre Flexiliner Pond Liners
Our bestselling 3-ply pondliners available in 36 different sizes and are guaranteed for up to 35 years.
Average Rating
Metric
Imperial
Pond liner length
4m
Pond liner width
3m
To Fit pond (with 1m depth) - width
1m
To Fit pond (with 1m depth) - length
0m
Choose a guarantee
Our flexiliner pondliners are guaranteed for either 15, 25 or 40 years.
Choose which guarantee pondliner you want below:
Choose which guarantee pondliner you want below:
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:
For ponds with a 4 metre x 3 metre pondliner:
We recommend the following products for a pond created with this liner:

RRP £184.99
£104.99
Max Flow:
1260
Max Flow One Head:
0
Max Pond Size:
2000
UV Wattage:
5
Fountain Height:
0.6
Waterfall Width:
0

RRP £89.99
£44.99
Max Flow:
0
Max Flow One Head:
0
Max Pond Size:
0
UV Wattage:
0
Fountain Height:
0.75
Waterfall Width:
0
Flexiliner Pond Liner reviews
Pond Liner 4x3m 40yr Plus Underlay
Exactly what was required
15yr pondliner 4x3
Good liner - easy to work with.
25yr pondliner 4x3
The liner was not quite as flexible as I expected so it had a few pleats in it to fit the shape of the pond.
Pond Liner 4x3m 40yr Plus Underlay
It has a 40 year guarantee. So early days to give opinion on quality.t
Pond Liner 4x3m 40yr Plus Underlay
Came well packaged and very quick and free underlay...what's not to like :)
15yr pondliner 4x3
I got what I wanted with very good timing.
40yr pondliner 4x3
very good product that was very easy to use and enabled me to complete the repair to the existing pond liner
40yr pondliner 4x3
the item was a good price but the item is not the best of quality-reflected possibly in the price
Pond Liner 4x3m 40yr Plus Underlay
Simple need for a liner delivered very quickly and now in use.
Pond Liner 4x3m 40yr Plus Underlay
Excellent product. Great service.
Pond Liner 4x3m 40yr Plus Underlay
Great product and quick delivery
Pond Liner 4x3m 40yr Plus Underlay
Too cheap. Came with two splits in it.
On 04-May-2018 the supplier responded:
Good afternoon,
Thank you for taking the time to leave feedback.
I'm sorry to hear that your liner arrived damaged, please accept our sincere apologies for this.
I can see from your account that we sent out a replacement as soon as we were made aware of the issue.
Please do let us know if there are any further issues that you wish to discuss, we endeavour to ensure all our customers are 100% happy with their purchases.
Best wishes,
Laurie
Customer Relations
Pond Liner 4x3m 40yr Plus Underlay
Excellent for my small wildlife pond
15yr pondliner 4x3
Excellent quality pond liner