Collection · 36 products in stock

UNDERGROUND WATER
TANKS

Below-ground plastic and GRP water storage tanks for rainwater harvesting, fire suppression and potable water storage where surface space is limited.
412L–55,250L
Capacity range
36
Products
Free delivery
Nationwide
Underground Water Tanks

Underground Water Tanks

Showing 1–12 of 36
 UNDERGROUND WATER STORAGE AND CESSPOOL TANK
Klargester (Ac)

54000L UNDERGROUND WATER STORAGE AND CESSPOOL TANK

€16,141.76 ex VAT (€19,854.36 incl. VAT)
In stock
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34000L UNDERGROUND WATER STORAGE AND CESSPOOL TANK
Klargester (Ac)

34000L UNDERGROUND WATER STORAGE AND CESSPOOL TANK

€10,880.70 ex VAT (€13,383.26 incl. VAT)
In stock
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22000L UNDERGROUND WATER STORAGE AND CESSPOOL TANK
Klargester (Ac)

22000L UNDERGROUND WATER STORAGE AND CESSPOOL TANK

€8,268.59 ex VAT (€10,170.36 incl. VAT)
In stock
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5,000L PLATIN FLAT RAINWATER TANK
Graf Ireland Environ

5,000L PLATIN FLAT RAINWATER TANK

€2,410.00 ex VAT (€2,964.30 incl. VAT)
In stock
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GRP UNDERGROUND WATER TANK
Klargester (Ac)

8000L GRP UNDERGROUND WATER TANK

€4,602.53 ex VAT (€5,661.11 incl. VAT)
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7,500L PLATIN FLAT RAINWATER TANK
Graf Ireland Environ

7,500L PLATIN FLAT RAINWATER TANK

€3,176.00 ex VAT (€3,906.48 incl. VAT)
In stock
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25,000L PLATIN XL FLAT RAINWATER TANK
Graf Ireland Environ

25,000L PLATIN XL FLAT RAINWATER TANK

€10,313.00 ex VAT (€12,684.99 incl. VAT)
In stock
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20,000L PLATIN XL FLAT RAINWATER TANK
Graf Ireland Environ

20,000L PLATIN XL FLAT RAINWATER TANK

€8,314.00 ex VAT (€10,226.22 incl. VAT)
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15,000L PLATIN XL FLAT RAINWATER TANK
Graf Ireland Environ

15,000L PLATIN XL FLAT RAINWATER TANK

€6,582.00 ex VAT (€8,095.86 incl. VAT)
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14000L GRP UNDERGROUND WATER TANK
Klargester (Ac)

14000L GRP UNDERGROUND WATER TANK

€6,140.35 ex VAT (€7,552.63 incl. VAT)
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10000L GRP UNDERGROUND WATER TANK
Klargester (Ac)

10000L GRP UNDERGROUND WATER TANK

€5,372.80 ex VAT (€6,608.54 incl. VAT)
In stock
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10,000L PLATIN XL FLAT RAINWATER TANK
Graf Ireland Environ

10,000L PLATIN XL FLAT RAINWATER TANK

€4,830.00 ex VAT (€5,940.90 incl. VAT)
In stock
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About underground water tanks · Buying guide

Choosing the right
Underground Water Tanks
in Ireland

These underground water tanks are designed to minimise dig-depth and concrete backfill is not usually required. The underground water storage tanks are delivered ready for installation and can be customised to the user’s requirements. 

If you’re looking for a water storage solution, our underground water storage tanks offer a practical solution. By burying your tank underground, you won’t be occupying valuable above-ground space, that can be used instead for other purposes, such as landscaping or construction. Underground tanks also provide protection from temperature fluctuations and help maintain stable temperatures for the stored water, preventing freezing in colder climates and keeping the water cooler in hot weather.

 Plastic tanks are typically more affordable than their concrete or fiberglass counterparts and are often simpler and quicker to install. Thanks to their lightweight plastic construction they are easy to transport, handle, and install, perfect for areas with challenging access or terrain. Our tanks are durable and long-lasting, resistant to corrosion and rust, and are resistant to a variety of chemicals.

Frequently asked questions

Underground Water Tanks FAQs

Do I need planning permission for an underground water tank?
How much does is typically cost to put in an underground water tank?
Where is the best place to install an underground water tank on your property?
How deep should an underground water tank be?
Need help choosing?

Talk to a
specialist

Sizing, regulations, installation. We've been answering these questions since 1999.

Phone 051 351 325Mon–Fri 9–5 WhatsApp 051 351 3257 days Email info@tanks.ieReply within 2 hours