Quality Plastic & Hardware Products for both Trade & Public
Telephone: 029 2078 7565

  • AprilSale
  • industrial
  • gutterguard
  • Cornice
  • 21YearsTrading

Principality (Plastics & Hardware) Ltd

Principality (Plastics and Hardware) are a specialist supplier of high quality plastics and hardware for use inside and outside the home. We’ve got essentials such as wall panels, guttering, ceiling panels and plumbing fittings as well as specialist luxury items like underfloor heating systems and integral window blinds. Our focus is on supplying low maintenance products that look great and stand up to the rigours of everyday use.

We sell through our stores in Gloucester and south Wales and online, delivering nationwide. No matter where you are in the UK or Ireland we’ve got you covered.

Dumalock ceiling and wall panels are set to make traditional tiling with grout a thing of the past. The Dumalock tile joining system is completely unique. This is down to the wall panels being connectable along all sides, even the tile grooves are concealed inside the wall panel giving a very authentic feel.


Best Price online!!! Only £4.68 per tile.
Duofuse Composite Garden Decking Tiles. This amazing new decking concept gives you the warmth and look of solid wood with the unique properties of plastic. These decking tiles require no extra accessories, beams, clips, screws, glues at all!

Guttering prices start from only £4.16
Square guttering is a modern attractive rectilinear profile gutter. Increased flow capacity, in excess of Half Round. Pre-fitted lubricated gutter seal retaining clip system for fast, user friendly installation.


Our PVC soffit boards are available in two types. The 9mm universal soffit board (non-vented) and the 9mm vented universal soffit board. Both soffit boards are available in a range of widths and the type you choose will depend entirely on the roofing configuration of the property.

Online prices, in store. 

To recieve our online prices, in store. Talk to one of our staff prior to your checkout, thankyou. 

Easy to install and hardwearing 

The products available here are easy to install for professional fitters, builders and amateurs alike. If you’re performing DIY take a look at our range of tools and accessories to help you fit wall and ceiling panels to a professional standard. Our bathroom wall panels and other panelling units are simple to fit, quickly establishing a protective barrier against moisture. The plastics used in all our panelling units are hardwearing and long lasting, achieving a finish that is easy to maintain.

Leading brands through a leading supplier 

We have long standing partnerships with outstanding brands like Deeplas and Polypipe. We trust the quality of their products and the expertise behind them. The advantage for you is great products at unbeatable prices because we’re often sourcing direct from the manufacturers.

Benefit from FREE delivery on orders over £150 and regular special offers for more great savings. Orders are dispatched quickly, usually on the same day when placed before 12pm.

Great service from industry experts

We have over 20 years experience in the supply of plastics and hardware. Over that time we’ve honed our offering to bring you low maintenance products. The customer is always uppermost in our minds and we expand and change based on your needs. Find out about the history of the business on our about us page