Owls Hall, Farm Blackmore End, Braintree, Essex CM7 4DF
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Underground Garden Rainwater Harvesting Systems

Store rainwater in your garden without taking up valuable space

Underground rainwater harvesting systems are the ideal system of choice for many people in the UK. Storing water below ground not only is more visually appealing, it is better for water quality and doesn’t take up your outdoor space. Furthermore, when storing water in underground tanks, larger storage volumes can be achieved – up to 7500 litres, in fact – creating a more useful, permanent solution that can be used all year round.

Owls Hall Environmental is a specialist supplier of rainwater harvesting systems. If you want to find out more about underground systems or the practicality of getting one installed, get in touch with our team today. Call us on 01844 877030.

Showing all 12 results

  • Garden Standpipe Rainwater Harvesting 1500 Litre

    1500 Litre Standpipe Garden Rainwater Harvesting System

    £ 1,459.00 excl VAT
    £ 1,750.80 incl VAT

    The Owls Hall 1500L Standpipe Garden Rainwater Harvesting system is a great solution for a modern or traditional garden, simply run the flexible pressure hose underground to the standpipe and install where required. The standpipe and tap can be installed within 20 metres of the tank. The Flat tank has a 25 year warranty, its shallow design makes DIY installation easy!

    A true complete system with everything you need.

    Free Delivery – Excludes highlands and Islands

    Add to basket

  • Garden Rainwater Harvesting 1500 Litre

    1500L Standard Garden Rainwater Harvesting system

    £ 1,399.00 excl VAT
    £ 1,678.80 incl VAT

    The 1500L Standard Garden Rainwater Harvesting system offers high quality components and the flexibility to design the system to suit your own garden. The Flat tank has a 25 year warranty, its shallow design makes DIY installation easy! The Submersible pump allows you to deliver water up to 50 metres away. Use the harvested rainwater to water plants or wash the car!

    FREE DELIVERY – (Excludes Highlands and Islands)

    Add to basket

  • 1500 litre Twintap Garden Rainwater Harvesting

    1500L TwinTap Garden Rainwater Harvesting System

    £ 1,469.00 excl VAT
    £ 1,762.80 incl VAT

    The Owls Hall 1500L Twin Tap Garden Rainwater Harvesting system is the easiest system to install on the market. No laying of pipe to connecting taps on a building, the Twin Tap system is a true plug and play system. The automatic pump connects to taps within the lid of the tank!

    So simply plug the pump in, connect the pump to the lid and start watering the garden!

    The Flat tank has a 25 year warranty, its shallow design makes DIY installation easy!  Why not use the harvested rainwater to water plants or wash the car!

    Free Delivery – Excludes highlands and Islands

    Add to basket

  • Garden Standpipe Rainwater Harvesting 1500 litre

    3000 Litre Standpipe Garden Rainwater Harvesting System

    £ 1,784.00 excl VAT
    £ 2,140.80 incl VAT

    The Owls Hall 3000L Standpipe Garden Rainwater Harvesting system is a great solution for a modern or traditional garden, simply run the flexible pressure hose underground to the standpipe and install where required. The standpipe and tap can be installed within 20 metres of the tank. The Flat tank has a 25 year warranty, its shallow design makes DIY installation easy!

    A true complete system with everything you need.

    Free Delivery – Excludes highlands and Islands

    Add to basket

  • Garden Rainwater Harvesting 3000 Litre

    3000L Standard Garden Rainwater Harvesting System

    £ 1,724.00 excl VAT
    £ 2,068.80 incl VAT

    The 3000L Standard Garden Rainwater Harvesting system offers high quality components and the flexibility to design the system to suit your own garden. The Flat tank has a 25 year warranty, its shallow design makes DIY installation easy! The Submersible pump allows you to deliver water up to 50 metres away. Use the harvested rainwater to water plants or wash the car!

    FREE DELIVERY – (Excludes Highlands and Islands)

    Add to basket

  • 3000 litre Twintap Garden Rainwater Harvesting

    3000L TwinTap Garden Rainwater Harvesting System

    £ 1,794.00 excl VAT
    £ 2,152.80 incl VAT

    The Owls Hall 3000L Twin Tap Garden Rainwater Harvesting system is the easiest system to install on the market. No laying of pipe to connecting taps on a building, the Twin Tap system is a true plug and play system. The automatic pump connects to taps within the lid of the tank! So simply plug the pump in, connect the pump to the lid and start watering the garden!

    The Flat tank has a 25 year warranty, its shallow design makes DIY installation easy!  Why not use the harvested rainwater to water plants or wash the car!

    Free Delivery – Excludes highlands and Islands

    Add to basket

  • Garden Standpipe Rainwater Harvesting 1500 litre

    5000 Litre Standpipe Garden Rainwater Harvesting System

    £ 2,224.00 excl VAT
    £ 2,668.80 incl VAT

    The Owls Hall 5000L Standpipe Garden Rainwater Harvesting system is a great solution for a modern or traditional garden, simply run the flexible pressure hose underground to the standpipe and install where required. The standpipe and tap can be installed within 20 metres of the tank. The Flat tank has a 25 year warranty, its shallow design makes DIY installation easy!

    A true complete system with everything you need.

    Free Delivery – Excludes highlands and Islands

    Add to basket

  • Garden Rainwater Harvesting 5000 Litre

    5000L Standard Garden Rainwater Harvesting System

    £ 2,164.00 excl VAT
    £ 2,596.80 incl VAT

    The 5000L Standard Garden Rainwater Harvesting system offers high quality components and the flexibility to design the system to suit your own garden. The Flat tank has a 25 year warranty, its shallow design makes DIY installation easy! The Submersible pump allows you to deliver water up to 50 metres away. Use the harvested rainwater to water plants or wash the car!

    FREE DELIVERY – (Excludes Highlands and Islands)

    Add to basket

  • 7500 litre Twintap Garden Rainwater Harvesting

    5000L TwinTap Garden Rainwater Harvesting System

    £ 2,234.00 excl VAT
    £ 2,680.80 incl VAT

    The Owls Hall 5000L Twin Tap Garden Rainwater Harvesting system is the easiest system to install on the market. No laying of pipe to connecting taps on a building, the Twin Tap system is a true plug and play system. The automatic pump connects to taps within the lid of the tank!

    So simply plug the pump in, connect the pump to the lid and start watering the garden!

    The Flat tank has a 25 year warranty, its shallow design makes DIY installation easy!  Why not use the harvested rainwater to water plants or wash the car!

    Free Delivery – Excludes highlands and Islands

    Add to basket

  • Garden Standpipe Rainwater Harvesting 1500 litre

    7500 Litre Standpipe Garden Rainwater Harvesting System

    £ 2,564.00 excl VAT
    £ 3,076.80 incl VAT

    The Owls Hall 7500L Standpipe Garden Rainwater Harvesting system is a great solution for a modern or traditional garden, simply run the flexible pressure hose underground to the standpipe and install where required. The standpipe and tap can be installed within 20 metres of the tank. The Flat tank has a 25 year warranty, its shallow design makes DIY installation easy!

    A true complete system with everything you need.

    Free Delivery – Excludes highlands and Islands

    Add to basket

  • Garden Rainwater Harvesting 7500 Litre

    7500L Standard Garden Rainwater Harvesting System

    £ 2,504.00 excl VAT
    £ 3,004.80 incl VAT

    The 7500L Standard Garden Rainwater Harvesting system offers high quality components and the flexibility to design the system to suit your own garden. The Flat tank has a 25 year warranty, its shallow design makes DIY installation easy! The Submersible pump allows you to deliver water up to 50 metres away. Use the harvested rainwater to water plants or wash the car!

    FREE DELIVERY – (Excludes Highlands and Islands)

    Add to basket

  • 7500 litre Twintap Garden Rainwater Harvesting

    7500L TwinTap Garden Rainwater Harvesting System

    £ 2,574.00 excl VAT
    £ 3,088.80 incl VAT

    The Owls Hall 7500L Twin Tap Garden Rainwater Harvesting system is the easiest system to install on the market. No laying of pipe to connecting taps on a building, the Twin Tap system is a true plug and play system. The automatic pump connects to taps within the lid of the tank!

    So simply plug the pump in, connect the pump to the lid and start watering the garden!

    The Flat tank has a 25 year warranty, its shallow design makes DIY installation easy!  Why not use the harvested rainwater to water plants or wash the car!

    Free Delivery – Excludes highlands and Islands

    Add to basket