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Underground Rainwater Tanks

The underground rainwater tank range offer an alternative to above ground water collection. Useful for when standing space is limited, or when placement of such a tank would not offer the pleasing ascetics. Read More

Included in our range are the Harlequin Rainwater Harvesting tanks, a complete system with a pump and requirement for a shallow excavation only. These systems offers an ideal solution for when over ground space is unavailable but huge groundworks are not an option.

An underground rainwater harvesting system offers an opportunity to reduce demand on the mains water supply and consequently, the amount on your water bills.

Looking for a rainwater collection tank without the excavation requirements? View the range an above ground rainwater tanks here.

Can’t see what you are looking for in our underground rainwater tank category? Our range is extensive and we may be able to offer tanks not currently on our website. Get in touch with your requirements here.

280 Litre Underground Water Tank - Potable

Underground Water Tanks

280 Litre Underground Water Tank – Potable

Price From: £270.90 Exc VAT
800 Litre Underground Water Tank - Enduramaxx

Underground Water Tanks

800 Litre Underground Water Tank – Potable

Price From: £315.00 Exc VAT
1,100 Litre Underground Water Tank

Underground Water Tanks

1,100 Litre Underground Water Tank – Potable

Price From: £360.00 Exc VAT
550 Litre Underground Water Tank - Potable

Underground Water Tanks

550 Litre Underground Water Tank – Potable

Price From: £360.00 Exc VAT
800 Litre Underground Water Tank - Non Potable

Underground Water Tanks

800 Litre Underground Water Tank – Non Potable

Price From: £401.00 Exc VAT
1400 Litre Underground Water Tank - Enduramaxx

Underground Water Tanks

1400 Litre Underground Water Tank – Potable

Price From: £421.20 Exc VAT
1,100 Litre Underground Water Tank - Non Potable

Underground Water Tanks

1,100 Litre Underground Water Tank – Non Potable

Price From: £427.50 Exc VAT
1400 Litre Underground Water Tank - Non Potable

Underground Water Tanks

1400 Litre Underground Water Tank – Non Potable

Price From: £486.00 Exc VAT
1500 Litre Underground Water Tank - Non Potable

Underground Water Tanks

1500 Litre Underground Water Tank – Non Potable

Price From: £495.00 Exc VAT
1500 Litre Underground Water Tank - Non Potable

Underground Water Tanks

1500 Litre Underground Water Tank – Potable

Price From: £495.00 Exc VAT
Paxton - 909 Litre Underground Water Storage Tank

Underground Water Tanks

Paxton – 909 Litre Underground Water Storage Tank

Price From: £549.38 Exc VAT
(£659.26 Inc VAT)
1700 Litre Underground Water Tank - Enduramaxx

Underground Water Tanks

1700 Litre Underground Water Tank – Potable

Price From: £888.25 Exc VAT
6500 Litre Underground Water Tank - GRAF

Underground Water Tank Accessories

2700 Litre Underground Water Tank – GRAF

Price From: £935.00 Exc VAT
(£1122.00 Inc VAT)
2500 Litre Underground Water Tank - Enduramaxx

Underground Water Tanks

2500 Litre Underground Water Tank – Enduramaxx

Price From: £950.00 Exc VAT
1700 Litre Underground Water Tank - Non Potable

Underground Water Tanks

1700 Litre Underground Water Tank – Non Potable

Price From: £974.25 Exc VAT
2000 Litre Underground Water Tank - Enduramaxx

Underground Water Tanks

2000 Litre Underground Water Tank – Enduramaxx

Price From: £989.26 Exc VAT
(£1187.11 Inc VAT)

Underground Water Tanks

3,500 Litre Underground Water Tank

Price From: £990.00 Exc VAT
(£1188.00 Inc VAT)
Harlequin Underground Water Storage Tank 1400UGW

Underground Water Tanks

Harlequin Underground Water Storage Tank 1400UGW

Price From: £1,080.00 Exc VAT
6500 Litre Underground Water Tank - GRAF

Underground Water Tank Accessories

3750 Litre Underground Water Tank – GRAF

Price From: £1,094.00 Exc VAT
(£1312.80 Inc VAT)
Paxton - 2728 Litre Underground Water Storage Tank

Underground Water Tanks

Paxton – 2728 Litre Underground Water Storage Tank

Price From: £1,156.60 Exc VAT
(£1387.92 Inc VAT)
Harlequin Underground Water Storage Tank 2500UGW

Underground Water Tanks

Harlequin Underground Water Storage Tank 2500UGW

Price From: £1,210.00 Exc VAT
5000 Litre Underground Water Tank - Potable

Underground Water Tanks

5000 Litre Underground Water Tank – Potable

Price From: £1,260.00 Exc VAT
(£1512.00 Inc VAT)
6500 Litre Underground Water Tank - GRAF

Underground Water Tank Accessories

4800 Litre Underground Water Tank – GRAF

Price From: £1,290.00 Exc VAT
(£1548.00 Inc VAT)
5000 Litre Underground Water Tank - Non Potable

Underground Water Tanks

5000 Litre Underground Water Tank – Non Potable

Price From: £1,346.00 Exc VAT
(£1615.20 Inc VAT)
6500 Litre Underground Water Tank - GRAF

Underground Water Tank Accessories

6500 Litre Underground Water Tank – GRAF

Price From: £1,382.75 Exc VAT
(£1659.30 Inc VAT)
Paxton - 4546 Litre Underground Water Storage Tank

Underground Water Tanks

Paxton – 4546 Litre Underground Water Storage Tank

Price From: £1,425.33 Exc VAT
(£1710.40 Inc VAT)
Harlequin Underground Water Storage Tank 3200UGW

Underground Water Tanks

Harlequin Underground Water Storage Tank 3200UGW

Price From: £1,435.00 Exc VAT
Paxton - 10,000 Litre Underground Water Storage Tank

Underground Water Tanks

Paxton – 10,000 Litre Underground Water Storage Tank

Price From: £1,995.00 Exc VAT
(£2394.00 Inc VAT)
10,000 Litre Underground Water Tank - Enduramaxx

Underground Water Tanks

10,000 Litre Underground Water Tank – Enduramaxx

Price From: £2,000.00 Exc VAT
(£2400.00 Inc VAT)