About Us – Principality Plastics Warehouse

Your trusted partner in high-quality plastic building products, serving trade professionals and DIYers across Wales and the South West.

Our Story

Since opening in 1992, Principality Plastics Warehouse has grown into a leading specialist in interior and exterior building plastics, serving both trade professionals and DIY enthusiasts.

With multiple branches across Cardiff, Gelli, Swansea, and Gloucester, we combine local knowledge with the wide inventory of a national supplier.

What We Offer

Interior Solutions

  • Wall & ceiling panels
  • Skirting, architrave & decorative trims
  • Laminate & LVT flooring
  • PVC bathroom panels & hygienic cladding

Exterior Essentials

  • Fascia, soffit boards & roofline systems
  • Guttering, downpipes & rainwater management
  • EPDM flat roofing & exterior cladding
  • Underground drainage supplies

Garden & Outdoor Living

  • Composite decking, balustrades, fencing & gates
  • Artificial grass
  • Porcelain paving

Hardware & Accessories

  • uPVC window trims & door hardware
  • Polycarbonate glazing sheets & lantern roof systems
  • Adhesives, silicones & fixings

Trade and Wholesale Services

  • Competitive pricing through trade credit accounts
  • Next-day local delivery for stocked items within 40 miles on orders over £100 (ex VAT)
  • Dedicated delivery team ready to assist on-site

Why Choose Us?

StrengthWhat It Means for You
Trusted Expertise 30+ years in the plastics and building materials sector
Massive Product Range Thousands of SKUs—one-stop shop for trade & DIY
Customer-Centric Service Friendly, knowledgeable staff with a reputation for going the extra mile
Fast, Reliable Delivery Next-day services for trade accounts; strong record for punctuality
Community Roots Deep ties to the areas we serve, with a focus on quality and reliability

Our Promise

At Principality Plastics Warehouse, our aim is simple: excellent service, quality products, and unbeatable value—backed by decades of experience and a deep commitment to our customers. Whether you're a builder with commercial demands or a homeowner working on a weekend project, we’re here to help every step of the way.