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£2,454.00 £2,045.00 -
Special Offer
1800 Litres Economy Underground Rainwater Harvesting Garden System2-5 working days£1,438.80 £1,199.00 -
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£2,161.20 £1,801.00 -
Special Offer
2600 Litres Direct Pressure Underground Rainwater Harvesting System2-5 working days£2,754.00 £2,295.00 -
Special Offer
Economy Underground Rainwater Harvesting Garden System - 2600 Litres2-5 working days£1,896.00 £1,580.00 -
Special Offer
Atlantis 2600 Litres Underground Water Tank2-5 working days£1,224.00 £1,020.00 -
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£2,541.60 £2,118.00 -
Special Offer
Direct Pressure Underground Rainwater Harvesting System - 3400 Litres2-5 working days£3,133.20 £2,611.00 -
Special Offer
3400 Litres Economy Underground Rainwater Harvesting Garden System2-5 working days£2,275.20 £1,896.00 -
Special Offer
Atlantis 3400 Litres Underground Water Tank2-5 working days£1,920.00 £1,600.00 -
Special Offer
Premium Underground Rainwater Harvesting Garden System - 4400 Litres2-5 working days£3,001.20 £2,501.00 -
Special Offer
Direct Pressure Underground Rainwater Harvesting System - 4400 Litres2-5 working days£3,594.00 £2,995.00 -
Special Offer
4400 Litres Economy Underground Rainwater Harvesting Garden System2-5 working days£2,736.00 £2,280.00 -
Special Offer
Atlantis 4400 Litres Underground Water Tank2-5 working days£2,064.00 £1,720.00 -
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£3,487.20 £2,906.00 -
Special Offer
5200 Litres Direct Pressure Underground Rainwater Harvesting System2-5 working days£4,080.00 £3,400.00 -
Special Offer
Economy Underground Rainwater Harvesting Garden System - 5200 Litres2-5 working days£3,222.00 £2,685.00 -
Special Offer
Atlantis 5200 Litres Underground Water Tank2-5 working days£2,550.00 £2,125.00 -
6500 Litre Underground Water Tank7-10 working days£1,677.56 £1,397.97