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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Enduramaxx 280 Litre Underground Potable Water Tank4-6 working days£360.00 £300.00 -
400 Litres Underground Water Tank7-10 working days£675.60 £563.00 -
1150 Litre Underground Water Tank3-5 working days£366.00 £305.00 -
Enduramaxx 1400 Litre Underground Potable Water Tank4-6 working days£745.14 £620.95 -
1550 Litre Underground Water Tank7-10 working days£447.60 £373.00 -
Enduramaxx 1700 Litre Underground Potable Water Tank4-6 working days£1,440.12 £1,200.10 -
1800 Litres Direct Pressure Underground Rainwater Harvesting System2-5 working days£2,518.13 £2,098.44 -
1800 Litres Economy Underground Rainwater Harvesting Garden System2-5 working days£1,543.44 £1,286.20 -
Atlantis 1800 Litres Underground Water Tank2-5 working days£884.32 £736.93 -
Special Offer
1850 Litre Underground Water Tank7-10 working daysSpecial Price £456.00 £380.00 Regular Price £468.54 £390.45 -
2250 Litre Underground Water Tank7-10 working days£550.80 £459.00 -
2600 Litres Premium Underground Rainwater Harvesting Garden System2-5 working days£2,087.83 £1,739.86 -
2600 Litres Direct Pressure Underground Rainwater Harvesting System2-5 working days£2,824.13 £2,353.44 -
Economy Underground Rainwater Harvesting Garden System - 2600 Litres2-5 working days£1,849.44 £1,541.20 -
Atlantis 2600 Litres Underground Water Tank2-5 working days£1,210.73 £1,008.94 -
3400 Litre Underground Water Tank7-10 working days£1,059.44 £882.87 -
Premium Underground Rainwater Harvesting Garden System - 3400 Litres2-5 working days£2,453.63 £2,044.69 -
Direct Pressure Underground Rainwater Harvesting System - 3400 Litres2-5 working days£3,189.92 £2,658.27 -
3400 Litres Economy Underground Rainwater Harvesting Garden System2-5 working days£2,215.24 £1,846.03 -
Atlantis 3400 Litres Underground Water Tank2-5 working days£1,500.85 £1,250.71 -
Premium Underground Rainwater Harvesting Garden System - 4400 Litres2-5 working days£2,916.47 £2,430.39 -
Direct Pressure Underground Rainwater Harvesting System - 4400 Litres2-5 working days£3,652.78 £3,043.98 -
4400 Litres Economy Underground Rainwater Harvesting Garden System2-5 working days£2,678.09 £2,231.74 -
Atlantis 4400 Litres Underground Water Tank2-5 working days£1,963.70 £1,636.42 -
4500 Litre Underground Water Tank7-10 working days£1,307.33 £1,089.44 -
5200 Litres Premium Underground Rainwater Harvesting Garden System2-5 working days£3,349.66 £2,791.38 -
5200 Litres Direct Pressure Underground Rainwater Harvesting System2-5 working days£4,085.96 £3,404.97 -
Economy Underground Rainwater Harvesting Garden System - 5200 Litres2-5 working days£3,111.28 £2,592.73 -
Atlantis 5200 Litres Underground Water Tank2-5 working days£2,396.89 £1,997.41 -
6500 Litre Underground Water Tank7-10 working days£1,677.56 £1,397.97