skip to main content
Quote 'FREEP' for FREE Delivery on 35 Spend or over*

Underlay for Pond Liners

Essential to protect your pond liner. Our pond liners can only be guaranteed when under laid.
Basic = 60gsm, Best = 200gsm
Supplied in sheets of 8m x 2m or 5m x 2m to cover the required area.
Choose your Underlay
Click the price to add the item to your shopping basket, or click the more info link for more details.
Metric
Imperial
Pond liner
Quality
Will fit pond (with 1m depth)
Length / Width
Best
Basic
Length / Width
Underlay for Pond Liners
Metric
2m
/
2m
Best
11.20
Add to Cart
Basic
7.20
Add to Cart
Metric
-1m
/
-1m
Underlay for Pond Liners
Metric
2.5m
/
2m
Best
No Stock
Basic
9.00
Add to Cart
Metric
-0.5m
/
-1m
Underlay for Pond Liners
Metric
3m
/
3m
Best
25.20
Add to Cart
Basic
16.20
Add to Cart
Metric
0m
/
0m
Underlay for Pond Liners
Metric
3m
/
5m
Best
42.00
Add to Cart
Basic
27.00
Add to Cart
Metric
0m
/
2m
Underlay for Pond Liners
Metric
4m
/
3m
Best
33.60
Add to Cart
Basic
21.60
Add to Cart
Metric
1m
/
0m
Underlay for Pond Liners
Metric
4m
/
4m
Best
44.80
Add to Cart
Basic
28.80
Add to Cart
Metric
1m
/
1m
Underlay for Pond Liners
Metric
5m
/
3m
Best
42.00
Add to Cart
Basic
27.00
Add to Cart
Metric
2m
/
0m
Underlay for Pond Liners
Metric
5m
/
4m
Best
56.00
Add to Cart
Basic
36.00
Add to Cart
Metric
2m
/
1m
Underlay for Pond Liners
Metric
5m
/
4.5m
Best
63.00
Add to Cart
Basic
40.50
Add to Cart
Metric
2m
/
1.5m
Underlay for Pond Liners
Metric
5m
/
5m
Best
70.00
Add to Cart
Basic
45.00
Add to Cart
Metric
2m
/
2m
Underlay for Pond Liners
Metric
6m
/
3m
Best
50.40
Add to Cart
Basic
32.40
Add to Cart
Metric
3m
/
0m
Underlay for Pond Liners
Metric
6m
/
4m
Best
67.20
Add to Cart
Basic
43.20
Add to Cart
Metric
3m
/
1m
Underlay for Pond Liners
Metric
6m
/
4.5m
Best
75.60
Add to Cart
Basic
48.60
Add to Cart
Metric
3m
/
1.5m
Underlay for Pond Liners
Metric
6m
/
5m
Best
84.00
Add to Cart
Basic
54.00
Add to Cart
Metric
3m
/
2m
Underlay for Pond Liners
Metric
6m
/
6m
Best
100.80
Add to Cart
Basic
64.80
Add to Cart
Metric
3m
/
3m
Underlay for Pond Liners
Metric
7m
/
3m
Best
58.80
Add to Cart
Basic
37.80
Add to Cart
Metric
4m
/
0m
Underlay for Pond Liners
Metric
7m
/
4m
Best
78.40
Add to Cart
Basic
50.40
Add to Cart
Metric
4m
/
1m
Underlay for Pond Liners
Metric
7m
/
5m
Best
98.00
Add to Cart
Basic
63.00
Add to Cart
Metric
4m
/
2m
Underlay for Pond Liners
Metric
7m
/
5.5m
Best
107.80
Add to Cart
Basic
69.30
Add to Cart
Metric
4m
/
2.5m
Underlay for Pond Liners
Metric
7m
/
6m
Best
117.60
Add to Cart
Basic
75.60
Add to Cart
Metric
4m
/
3m
Underlay for Pond Liners
Metric
7m
/
6.5m
Best
127.40
Add to Cart
Basic
81.90
Add to Cart
Metric
4m
/
3.5m
Underlay for Pond Liners
Metric
7m
/
7m
Best
137.20
Add to Cart
Basic
88.20
Add to Cart
Metric
4m
/
4m
Underlay for Pond Liners
Metric
7.5m
/
6m
Best
126.00
Add to Cart
Basic
81.00
Add to Cart
Metric
4.5m
/
3m
Underlay for Pond Liners
Metric
7.5m
/
7m
Best
147.00
Add to Cart
Basic
94.50
Add to Cart
Metric
4.5m
/
4m
Underlay for Pond Liners
Metric
7.5m
/
7.5m
Best
157.50
Add to Cart
Basic
101.25
Add to Cart
Metric
4.5m
/
4.5m
Underlay for Pond Liners
Metric
8m
/
3m
Best
67.20
Add to Cart
Basic
43.20
Add to Cart
Metric
5m
/
0m
Underlay for Pond Liners
Metric
8m
/
4m
Best
89.60
Add to Cart
Basic
57.60
Add to Cart
Metric
5m
/
1m
Underlay for Pond Liners
Metric
8m
/
5m
Best
112.00
Add to Cart
Basic
72.00
Add to Cart
Metric
5m
/
2m
Underlay for Pond Liners
Metric
8m
/
6m
Best
134.40
Add to Cart
Basic
86.40
Add to Cart
Metric
5m
/
3m
Underlay for Pond Liners
Metric
8m
/
7m
Best
156.80
Add to Cart
Basic
100.80
Add to Cart
Metric
5m
/
4m
Underlay for Pond Liners
Metric
8m
/
8m
Best
179.20
Add to Cart
Basic
115.20
Add to Cart
Metric
5m
/
5m
Underlay for Pond Liners
Metric
9m
/
5m
Best
126.00
Add to Cart
Basic
81.00
Add to Cart
Metric
6m
/
2m
Underlay for Pond Liners
Metric
9m
/
6m
Best
151.20
Add to Cart
Basic
97.20
Add to Cart
Metric
6m
/
3m
Underlay for Pond Liners
Metric
9m
/
7m
Best
176.40
Add to Cart
Basic
113.40
Add to Cart
Metric
6m
/
4m
Underlay for Pond Liners
Metric
9m
/
8m
Best
201.60
Add to Cart
Basic
129.60
Add to Cart
Metric
6m
/
5m
Underlay for Pond Liners
Metric
9m
/
9m
Best
226.80
Add to Cart
Basic
145.80
Add to Cart
Metric
6m
/
6m
Underlay for Pond Liners
Metric
10m
/
10m
Best
280.00
Add to Cart
Basic
180.00
Add to Cart
Metric
7m
/
7m
Underlay for Pond Liners
Metric
10m
/
6m
Best
168.00
Add to Cart
Basic
108.00
Add to Cart
Metric
7m
/
3m
Underlay for Pond Liners
Metric
10m
/
7m
Best
196.00
Add to Cart
Basic
126.00
Add to Cart
Metric
7m
/
4m
Underlay for Pond Liners
Metric
10m
/
8m
Best
224.00
Add to Cart
Basic
144.00
Add to Cart
Metric
7m
/
5m
Underlay for Pond Liners
Metric
10m
/
9m
Best
252.00
Add to Cart
Basic
162.00
Add to Cart
Metric
7m
/
6m
Underlay for Pond Liners
Metric
11m
/
10m
Best
308.00
Add to Cart
Basic
198.00
Add to Cart
Metric
8m
/
7m
Underlay for Pond Liners
Metric
11m
/
7m
Best
215.60
Add to Cart
Basic
138.60
Add to Cart
Metric
8m
/
4m
Underlay for Pond Liners
Metric
11m
/
8m
Best
246.40
Add to Cart
Basic
158.40
Add to Cart
Metric
8m
/
5m
Underlay for Pond Liners
Metric
11m
/
9m
Best
277.20
Add to Cart
Basic
178.20
Add to Cart
Metric
8m
/
6m
Underlay for Pond Liners
Metric
12m
/
10m
Best
336.00
Add to Cart
Basic
216.00
Add to Cart
Metric
9m
/
7m
Underlay for Pond Liners
Metric
12m
/
12m
Best
403.20
Add to Cart
Basic
259.20
Add to Cart
Metric
9m
/
9m
Underlay for Pond Liners
Metric
12m
/
7m
Best
235.20
Add to Cart
Basic
151.20
Add to Cart
Metric
9m
/
4m
Underlay for Pond Liners
Metric
12m
/
8m
Best
268.80
Add to Cart
Basic
172.80
Add to Cart
Metric
9m
/
5m
Underlay for Pond Liners
Metric
12m
/
9m
Best
302.40
Add to Cart
Basic
194.40
Add to Cart
Metric
9m
/
6m
Underlay for Pond Liners
Metric
13m
/
10m
Best
364.00
Add to Cart
Basic
234.00
Add to Cart
Metric
10m
/
7m
Underlay for Pond Liners
Metric
13m
/
12m
Best
436.80
Add to Cart
Basic
280.80
Add to Cart
Metric
10m
/
9m
Underlay for Pond Liners
Metric
13m
/
13m
Best
473.20
Add to Cart
Basic
304.20
Add to Cart
Metric
10m
/
10m
Underlay for Pond Liners
Metric
13m
/
8m
Best
291.20
Add to Cart
Basic
187.20
Add to Cart
Metric
10m
/
5m
Underlay for Pond Liners
Metric
13m
/
9m
Best
327.60
Add to Cart
Basic
210.60
Add to Cart
Metric
10m
/
6m
Underlay for Pond Liners
Metric
14m
/
10m
Best
392.00
Add to Cart
Basic
252.00
Add to Cart
Metric
11m
/
7m
Underlay for Pond Liners
Metric
14m
/
12m
Best
470.40
Add to Cart
Basic
302.40
Add to Cart
Metric
11m
/
9m
Underlay for Pond Liners
Metric
14m
/
14m
Best
548.80
Add to Cart
Basic
352.80
Add to Cart
Metric
11m
/
11m
Underlay for Pond Liners
Metric
14m
/
8m
Best
313.60
Add to Cart
Basic
201.60
Add to Cart
Metric
11m
/
5m
Underlay for Pond Liners
Metric
14m
/
9m
Best
352.80
Add to Cart
Basic
226.80
Add to Cart
Metric
11m
/
6m
Underlay for Pond Liners
Metric
15m
/
10m
Best
420.00
Add to Cart
Basic
270.00
Add to Cart
Metric
12m
/
7m
Underlay for Pond Liners
Metric
15m
/
12m
Best
504.00
Add to Cart
Basic
324.00
Add to Cart
Metric
12m
/
9m
Underlay for Pond Liners
Metric
15m
/
15m
Best
630.00
Add to Cart
Basic
405.00
Add to Cart
Metric
12m
/
12m
Underlay for Pond Liners
Metric
15m
/
8m
Best
336.00
Add to Cart
Basic
216.00
Add to Cart
Metric
12m
/
5m
Underlay for Pond Liners
Metric
15m
/
9m
Best
378.00
Add to Cart
Basic
243.00
Add to Cart
Metric
12m
/
6m
Underlay for Pond Liners
Metric
16m
/
10m
Best
448.00
Add to Cart
Basic
288.00
Add to Cart
Metric
13m
/
7m
Underlay for Pond Liners
Metric
16m
/
12m
Best
537.60
Add to Cart
Basic
345.60
Add to Cart
Metric
13m
/
9m
Underlay for Pond Liners
Metric
18m
/
10m
Best
504.00
Add to Cart
Basic
324.00
Add to Cart
Metric
15m
/
7m
Underlay for Pond Liners
Metric
18m
/
12m
Best
604.80
Add to Cart
Basic
388.80
Add to Cart
Metric
15m
/
9m
Underlay for Pond Liners
Metric
18m
/
15m
Best
756.00
Add to Cart
Basic
486.00
Add to Cart
Metric
15m
/
12m
Underlay for Pond Liners
Metric
20m
/
15m
Best
840.00
Add to Cart
Basic
540.00
Add to Cart
Metric
17m
/
12m
Underlay for Pond Liners
Metric
20m
/
18m
Best
1,008.00
Add to Cart
Basic
648.00
Add to Cart
Metric
17m
/
15m
Underlay for Pond Liners
Metric
24m
/
15m
Best
1,008.00
Add to Cart
Basic
648.00
Add to Cart
Metric
21m
/
12m
Underlay for Pond Liners
Metric
24m
/
18m
Best
1,209.60
Add to Cart
Basic
475.20
Add to Cart
Metric
21m
/
15m
Underlay for Pond Liners
Metric
26m
/
18m
Best
1,310.40
Add to Cart
Basic
842.40
Add to Cart
Metric
23m
/
15m
Underlay for Pond Liners
Metric
26m
/
20m
Best
1,456.00
Add to Cart
Basic
936.00
Add to Cart
Metric
23m
/
17m
Underlay for Pond Liners
Metric
28m
/
18m
Best
1,411.20
Add to Cart
Basic
907.20
Add to Cart
Metric
25m
/
15m
Underlay for Pond Liners
Metric
28m
/
20m
Best
1,568.00
Add to Cart
Basic
1,008.00
Add to Cart
Metric
25m
/
17m
Underlay for Pond Liners
Metric
30m
/
16m
Best
1,344.00
Add to Cart
Basic
864.00
Add to Cart
Metric
27m
/
13m
Underlay for Pond Liners
Metric
30m
/
18m
Best
1,512.00
Add to Cart
Basic
972.00
Add to Cart
Metric
27m
/
15m
Underlay for Pond Liners
Metric
30m
/
20m
Best
1,680.00
Add to Cart
Basic
1,080.00
Add to Cart
Metric
27m
/
17m
Underlay for Pond Liners
Metric
32m
/
20m
Best
1,792.00
Add to Cart
Basic
1,152.00
Add to Cart
Metric
29m
/
17m
Underlay for Pond Liners
Metric
32m
/
22m
Best
1,971.20
Add to Cart
Basic
1,267.20
Add to Cart
Metric
29m
/
19m
Underlay for Pond Liners
Metric
34m
/
18m
Best
1,713.60
Add to Cart
Basic
1,101.60
Add to Cart
Metric
31m
/
15m
Underlay for Pond Liners
Metric
34m
/
20m
Best
1,904.00
Add to Cart
Basic
1,224.00
Add to Cart
Metric
31m
/
17m
Underlay for Pond Liners
Metric
34m
/
22m
Best
2,094.40
Add to Cart
Basic
1,346.40
Add to Cart
Metric
31m
/
19m
Underlay for Pond Liners
Metric
34m
/
26m
Best
2,475.20
Add to Cart
Basic
1,591.20
Add to Cart
Metric
31m
/
23m
Underlay for Pond Liners
Metric
36m
/
24m
Best
2,419.20
Add to Cart
Basic
1,555.20
Add to Cart
Metric
33m
/
21m
Underlay for Pond Liners
Metric
36m
/
27m
Best
2,721.60
Add to Cart
Basic
1,749.60
Add to Cart
Metric
33m
/
24m
Underlay for Pond Liners
Metric
38m
/
26m
Best
2,766.40
Add to Cart
Basic
1,778.40
Add to Cart
Metric
35m
/
23m
Underlay for Pond Liners
Metric
40m
/
20m
Best
2,240.00
Add to Cart
Basic
1,440.00
Add to Cart
Metric
37m
/
17m
Underlay for Pond Liners
Metric
40m
/
30m
Best
3,360.00
Add to Cart
Basic
2,160.00
Add to Cart
Metric
37m
/
27m
Underlay for Pond Liners
Metric
40m
/
40m
Best
4,480.00
Add to Cart
Basic
2,880.00
Add to Cart
Metric
37m
/
37m
Underlay for Pond Liners
Metric
45m
/
40m
Best
5,040.00
Add to Cart
Basic
3,420.00
Add to Cart
Metric
42m
/
37m

The pond sizes are recommended for ponds with 1 metre depth.

Consider buying a underlay larger than you think you might need - it's easy to be over enthusuastic when digging! And the liner can always be cut down to size.

Need some help?
From building your own pond to calculating what you need, we can help.
Why getting a pond is a great investment

Why getting a pond is a great investment

Another line here briefly explaining the guides.

Benefits of a pond
Building Guide

Building a pond is easy with our simple guide

Digging your pond and installing your pond liner in six easy to follow steps.

Building Guide
Pond Liner Guide

Why do I need a pond liner?

LDPE, PVC, Rubber? Learn about the benefits and characteristics of different type of pond liner.

Pond Liner Guide
Newsletter Signup

Receive internet-exclusive offers, discounts and previews by email.

Tips and Advice from the Blog

Latest Tweet

© Copyright Pondkeeper 2005 - 2022. Pondkeeper is registered in England, Registration no. 5601027. Our VAT number is GB 875 4886 60.

See the site map | privacy policy | terms and conditions.

Website created by Edward Robertson web design with the Responsive Grid System