GRP Cold Water Tank Solutions

Think Tank, Think Nicholson

– GRP Water Tank Specialist Since 1968

One Piece Tanks CTA
One Piece Tanks
Sectional Tanks CTA
Sectional Tanks
Housing and Enclosures CTA
Housing and Enclosures
Fire Supression CTA
Fire Suppression

Our GRP Water Tank 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.
NP Logo - Cold Water Storage Tanks

are now supplying



Tank & Booster Set
Water Pressure Solution

Our Team Tank Care+ Service for your Cold Water Tanks

Our support team is on hand to answer all your water tank queries. Call, email or instant chat with us today. Track your order, general enquiries, water storage tank specifications, request a quote or just give us feedback.

Our team has over 50 years of experience in providing GRP cold water tank solutions to our customers across all industry sectors throughout the country.

We are happy to help, get in touch!


Team Tank Care - Water Storage Tanks

3D Training
Visit our Tank components page

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Our Accreditations

At Nicholson’s, we pride ourselves in manufacturing and installing GRP water storage solutions of the highest quality throughout the UK. To see our certifications - Click here.


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

Why work with us for your Water Tank?

Over 50 years’ industry experience

Projects completed in the last 24 months

Nicholson Plastics is a UK GRP Water Storage Tank Manufacturer with a proven track record in the supply of water tanks to all industry sectors throughout the UK. We have an expert team on hand with over 50 Years’ industry experience. Our team works hard to provide exceptional industry lead times from quotes, site visits, order processing, and delivery. We are a British Standard approved company with full certification through BSI/ISO9001 including WRAS approved certified products for potable drinking water.

  • Over 50 years of technical knowledge
  • Quality assurance at a local level
  • UK customer support teams, backup, replacement service & advice
  • Supporting local and sustaining UK manufacturing
  • Regional sales representatives for site visits, emergency water requirements, and project advice


Data Centres


Government Buildings


Benefits of working with Nicholson Plastics

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Expert Leading

Manufacturing GRP cold water storage solutions for domestic, industrial, agricultural & commercial industry sectors since 1968. 

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CPD Training

We have created a CPD training course to develop and improve industry professionals with the correct skills in specifying water storage solutions.

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ISO Certified

Our cold water storage tanks including WRAS approved, are manufactured to the highest quality and ISO standards.

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Team Tank Care+

We provide a dedicated customer support team to help with technical queries including drawing returns, delivery, installation & site support.