Skip to content

Best Plumbing SuppliesPlastic Pipe (2026)

1 plumbing supplies matching materialPlastic Pipe, hand-picked from UK Amazon listings.

Not sure which one to pick? Read our Best Plumbing Tape UK guide.

John Guest Speedfit JG Pipe Cutter - Cuts up to 22mm Plastic Speedfit Pipe

#1 Pick

John Guest Speedfit JG Pipe Cutter - Cuts up to 22mm Plastic Speedfit Pipe
Rated 4.6 out of 5 stars (1,240)
  • Plastic Pipe

£39.52

Pros

  • Cuts push-fit plastic pipe up to 22mm cleanly and squarely
  • Compact ratchet action needs little hand strength
  • Essential companion tool for Speedfit push-fit plumbing jobs

Cons

  • Only suited to plastic pipe, not copper
View on Amazon →

This selection focuses on plastic pipe specifically designed for plumbing applications within the UK. These pipes are commonly used in various DIY projects, from connecting fixtures to running water lines, and offer a cost-effective solution where corrosion resistance isn't paramount. The range includes different diameters and lengths, catering to a wide range of needs in both residential and light commercial settings.

Plastic pipe systems are favoured for their ease of installation and lightweight nature compared to traditional metal pipes. However, it’s crucial to note that plastic pipes may have temperature limitations and aren't suitable for high-pressure applications without reinforcement. Always consult relevant building regulations before undertaking any plumbing work.

Available in various colours, including grey and white, these pipes are often used within concealed spaces or where a neutral aesthetic is desired. Ensure compatibility with your existing plumbing system and utilise appropriate fittings for secure connections – always prioritise safety when working with water and electricity.

FAQ

What types of plastic pipe are typically available?

You’ll find options including PVC, PPR (Polypropylene Random), and CPVC (Chlorinated Polyvinyl Chloride). Each has different temperature ratings and suitability for various applications; check the product specifications carefully before purchasing.

How do I determine the correct diameter of plastic pipe?

The required diameter depends on the flow rate you need. Larger diameters allow for greater water volume, but also increase friction loss. Consult plumbing charts or seek advice from a qualified professional to ensure adequate sizing.

What fittings are compatible with these plastic pipes?

Ensure your fittings are specifically designed for use with plastic pipe systems. Metal connectors can corrode when in contact with certain plastics, so always select compatible options – brass and stainless steel are generally reliable choices.

Are there any temperature restrictions I should be aware of?

PVC pipes typically have a maximum operating temperature around 60°C (140°F). PPR and CPVC offer higher temperature resistance, often up to 90°C (194°F), but always confirm the manufacturer’s specifications before use.

Do I need any special tools to work with plastic pipe?

You'll generally need a PVC cutter or saw for accurate cuts, as standard saws can damage the pipe. A measuring tape and potentially a pipe sealant are also useful accessories.

How do I join plastic pipes together?

Plastic pipes are typically joined using solvent cement – a two-part adhesive specifically designed for plastics. Ensure surfaces are clean and dry before applying the cement, following the manufacturer’s instructions carefully.

Can I use plastic pipe outdoors?

Some plastic pipes are suitable for outdoor use, particularly those with UV protection. However, prolonged exposure to sunlight can degrade the material; check the product details for weather resistance ratings.

What is PPR and CPVC plastic pipe used for?

PPR (Polypropylene Random) is commonly used for hot and cold water supply systems due to its good thermal properties. CPVC offers even greater temperature resistance and is often found in industrial applications, although it’s less common in domestic plumbing.

What are the potential risks of using plastic pipe?

Plastic pipes can be susceptible to cracking or damage from impacts or extreme temperatures. They also may not be suitable for high-pressure systems without appropriate reinforcement – always adhere to manufacturer guidelines and building regulations.

Where can I find more information on plumbing regulations?

For detailed guidance on plumbing installations within the UK, consult the Water Regulations Advisory Scheme (WRAS) website ([https://www.wrass.org.uk/](https://www.wrass.org.uk/)) and your local building control authority for specific requirements.