Water Tank Size Guide

Our Water Tank Size Guide shows the different sizes available for our complete tank range from One Piece Tanks to Sectional Tanks

Water Tank Sizes for our Water Solutions

Cold Water storage tanks manufactured by Glass reinforced plastic (GRP) are the ideal solution for storing water. Benefits include, cost effective, low maintenance, easily transported, and the sheer durability of GRP Material. Manufacturing for over 50 years, we are experts in the industry of GRP tank manufacturing and custom moulding.

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Group 151

One Piece Tanks

43 litres to 24,000litres
Group 151

MP Range Tanks

375 litres to 3,820 litres
Group 151

Two-Part Tanks

272 litres to 5,690 litres

Group 151

Sectional Water Tanks

up to 1,300,000 litres

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are now supplying


Tank & Booster Set
Water Pressure Solution

Looking for a certain tank size?

Use our Water Tank Calculator to find the right Tank Size for your needs.

The following calculator helps in estimating the cold water storage requirements for various buildings. If you need further assistance or you can not find what you are looking for please contact us and we will be happy to help.


Enter any size restrictions (optional)

Our Water Tank Solutions

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Sectional Tanks

Up to 1,300,000 litres
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One Piece Tanks

43 litres to 24,000 litres

Our Accreditations

At Nicholson’s, we pride ourselves in manufacturing and installing GRP water tanks of the highest quality throughout the UK. Click to see Our Certifications.


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bsi member cert
Certified ISO company
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chas accredited contractor
safe contractor approved

Our GRP Water Solutions

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Water Tanks
Our range of GRP cold water storage tanks include; one piece tanks, multi-part tanks, two-part tanks and sectional tanks.  Capacity from 43 litres to 1,300,000 litres.
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Pump Systems
Our range of booster sets ensures a smooth-flowing solution to problems of
insufficient volume and/or water pressure to all industry sectors and projects.
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Fire Tanks
Nicholson Plastics offers a wide selection of water storage solutions, including fire suppression and fire misting tanks for all industry sectors.