Water Storage Tanks Manufacturer

British Standard to Non-Standard sized One Piece, Two Piece, Bespoke and Sectional GRP Water Storage Tanks.

We also produce Fire Sprinkler Tanks, GRP Housings and Combination Units.

Our Tanks are WRc & WRAS Approved and comply with the latest regulations, including British Standard, European Standards and Singapore Standards.

After Care

Expert Advice

At Decca we are experienced in the Storage Tank Industry and can assist with any query.

Parts & Accessories

We have the full range of Tank Parts and Accessories for you to do the job in the best professional way.

After Care

All our Storage Tanks are fully warranted for a period of twelve months and we also provide aftercare.

ISO Certified

We are certified to the ISO 9001:2000 standard of quality and hold all other major accreditations.


We have been manufacturing high quality products though out vast history, To expand upon and formalise this quality we work closely with the following accreditation agencies to make sure our products are at the forefront and the current standard applicable:

*For more information on specific product certifications please contact a member of a sales team who will assist you in any queries.