Plastic Underground Tanks
Our range of plastic underground water tanks offer a discreet and space-saving solution for storing harvested rainwater intended for irrigation, watering plants and washing cars. Constructed from tough polyethylene, they are also ideal for many domestic, commercial and industrial applications.

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Special Offer
Enduramaxx 280 Litre Underground Potable Water Tank4-6 working days£396.00 £330.00 -
400 Litres Underground Water Tank7-10 working days£675.60 £563.00 -
1150 Litre Underground Water Tank7-10 working days£366.00 £305.00 -
Special Offer
Enduramaxx 1400 Litre Underground Potable Water Tank4-6 working days£492.00 £410.00 -
1550 Litre Underground Water Tank7-10 working days£447.60 £373.00 -
Special Offer
Enduramaxx 1700 Litre Underground Potable Water Tank4-6 working days£1,184.40 £987.00 -
Special Offer
1800 Litres Direct Pressure Underground Rainwater Harvesting System2-5 working days£2,356.80 £1,964.00 -
Special Offer
1800 Litres Economy Underground Rainwater Harvesting Garden System2-5 working days£1,399.20 £1,166.00 -
Special Offer
Atlantis 1800 Litres Underground Water Tank2-5 working days£766.80 £639.00 -
Special Offer
1850 Litre Underground Water Tank7-10 working days£456.00 £380.00 -
2250 Litre Underground Water Tank7-10 working days£550.80 £459.00 -
Special Offer
2600 Litres Premium Underground Rainwater Harvesting Garden System2-5 working days£1,938.00 £1,615.00 -
Special Offer
2600 Litres Direct Pressure Underground Rainwater Harvesting System2-5 working days£2,631.60 £2,193.00 -
Special Offer
Economy Underground Rainwater Harvesting Garden System - 2600 Litres2-5 working days£1,674.00 £1,395.00 -
Special Offer
Atlantis 2600 Litres Underground Water Tank2-5 working days£1,041.60 £868.00 -
3400 Litre Underground Water Tank7-10 working days£1,059.44 £882.87 -
Special Offer
Premium Underground Rainwater Harvesting Garden System - 3400 Litres2-5 working days£2,269.20 £1,891.00 -
Special Offer
Direct Pressure Underground Rainwater Harvesting System - 3400 Litres2-5 working days£2,962.80 £2,469.00 -
Special Offer
3400 Litres Economy Underground Rainwater Harvesting Garden System2-5 working days£2,005.20 £1,671.00 -
Special Offer
Atlantis 3400 Litres Underground Water Tank2-5 working days£1,372.80 £1,144.00 -
Special Offer
Premium Underground Rainwater Harvesting Garden System - 4400 Litres2-5 working days£2,688.00 £2,240.00 -
Special Offer
Direct Pressure Underground Rainwater Harvesting System - 4400 Litres2-5 working days£3,381.60 £2,818.00 -
Special Offer
4400 Litres Economy Underground Rainwater Harvesting Garden System2-5 working days£2,424.00 £2,020.00 -
Special Offer
Atlantis 4400 Litres Underground Water Tank2-5 working days£1,791.60 £1,493.00 -
4500 Litre Underground Water Tank7-10 working days£1,307.33 £1,089.44 -
Special Offer
5200 Litres Premium Underground Rainwater Harvesting Garden System2-5 working days£2,923.20 £2,436.00 -
Special Offer
5200 Litres Direct Pressure Underground Rainwater Harvesting System2-5 working days£3,616.80 £3,014.00 -
Special Offer
Economy Underground Rainwater Harvesting Garden System - 5200 Litres2-5 working days£2,659.20 £2,216.00 -
Special Offer
Atlantis 5200 Litres Underground Water Tank2-5 working days£2,026.80 £1,689.00 -
6500 Litre Underground Water Tank7-10 working days£1,677.56 £1,397.97