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£210.00 £175.00 -
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£489.60 £408.00 -
1550 Litre Underground Water Tank7-10 working days£447.60 £373.00 -
Special Offer
Enduramaxx 1700 Litre Underground Potable Water Tank4-6 working days£652.80 £544.00 -
Special Offer
1800 Litres Direct Pressure Underground Rainwater Harvesting System2-5 working days£2,472.00 £2,060.00 -
Special Offer
1800 Litres Economy Underground Rainwater Harvesting Garden System2-5 working days£1,596.00 £1,330.00 -
Special Offer
Atlantis 1800 Litres Underground Water Tank2-5 working days£834.00 £695.00 -
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£2,149.20 £1,791.00 -
Special Offer
2600 Litres Direct Pressure Underground Rainwater Harvesting System2-5 working days£2,751.60 £2,293.00 -
Special Offer
Economy Underground Rainwater Harvesting Garden System - 2600 Litres2-5 working days£1,776.00 £1,480.00 -
Special Offer
Atlantis 2600 Litres Underground Water Tank2-5 working days£1,132.80 £944.00 -
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£2,352.00 £1,960.00 -
Special Offer
Direct Pressure Underground Rainwater Harvesting System - 3400 Litres2-5 working days£3,088.80 £2,574.00 -
Special Offer
3400 Litres Economy Underground Rainwater Harvesting Garden System2-5 working days£2,114.40 £1,762.00 -
Special Offer
Atlantis 3400 Litres Underground Water Tank2-5 working days£1,494.00 £1,245.00 -
Special Offer
Premium Underground Rainwater Harvesting Garden System - 4400 Litres2-5 working days£2,780.40 £2,317.00 -
Special Offer
Direct Pressure Underground Rainwater Harvesting System - 4400 Litres2-5 working days£3,516.00 £2,930.00 -
Special Offer
4400 Litres Economy Underground Rainwater Harvesting Garden System2-5 working days£2,541.60 £2,118.00 -
Special Offer
Atlantis 4400 Litres Underground Water Tank2-5 working days£1,827.60 £1,523.00 -
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£3,402.00 £2,835.00 -
Special Offer
5200 Litres Direct Pressure Underground Rainwater Harvesting System2-5 working days£3,924.00 £3,270.00 -
Special Offer
Economy Underground Rainwater Harvesting Garden System - 5200 Litres2-5 working days£2,114.40 £1,762.00 -
Special Offer
Atlantis 5200 Litres Underground Water Tank2-5 working days£2,235.60 £1,863.00 -
6500 Litre Underground Water Tank7-10 working days£1,677.56 £1,397.97