Water Storage Tanks – The UK’s Leading Provider
Manufacturing & Supplying GRP Cold Water Storage Tanks Since 1968
✓ High-quality manufacturing of cold water storage tanks
✓ Approved to British Standards
✓ WRAS approved
✓ Designed for both potable and non-potable water storage
✓ Water storage tanks that can be bought off the shelf or
✓ Custom built to your specifications.
✓ Replacement water tanks & Site Visits Available
GRP Cold Water Storage Tanks
We specialise in GRP manufacturing which offers our customers the highest quality in cold water storage tanks.
Our range of GRP Cold Water Tanks includes Domestic Water Tanks, Industrial Water Tanks, Agricultural Water Tanks, & Commercial Water Tanks.
We supply all GRP water tanks across the UK. For replacement cold water storage tanks our team offers advice & site visits if required to meet individual project requirements.

are now supplying
ELVARO
Tank & Booster Set
Water Pressure Solution
Cold Water Storage Tanks Solutions
Sectional Water Tank
✓ Highest quality standard
✓ Bespoke design
✓ UV stabilised materials
✓ WRAS approved
Combined Tank & Pump Station
✓ Very Compact
✓ Professional enclosure
✓ GRP material
✓ Corrosion resistant
One Piece Tank
✓ Bespoke design
✓ Virtually ZERO maintenance
✓ Can be supplied in any BS5252 or RAL colour
✓ WRAS approved
Break Tanks
✓ Available from a standard range
✓ Pre-insulated tanks
✓ Standard capacities are available
✓ WRAS approved
Two-part Tanks
✓ Manufactured to order
✓ Available with insulation in varying thicknesses
✓ Fully self-draining
✓ WRAS approved
Category 5 Tanks
✓ Used for multiple applications
✓ UV stabilised materials
✓ WRAS approved
✓ Type AB – Air gap
City Tanks
✓ Maximise availalable floor space
✓ Quick assembly timelines
✓ Any volume of water
✓ Customisable shape configurations
Cube Tanks
✓ Self-Assembly (1x1x1 meter panels)
✓ Easy access for restricted spaces
✓ Can be assembled against three walls
✓ Easy to transport on one pallet
Why work with us for your Water Storage Needs?
Over 50 years’ industry experience
Projects completed in the last 24 months
Nicholson Plastics is a UK GRP Cold 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 water tanks suitable 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
Airports
Government Buildings
Hotels
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.
POPULAR WATER TANK SIZES & TANK CONNECTIONS
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 talk to us via our webchat 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!