Best Plastic Radiators of 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Plastic radiators offer a durable and affordable alternative to traditional metal radiators. Made from high-quality plastic materials, these radiators are designed to be lightweight, corrosion-resistant, and easy to install. They come in a range of sizes and shapes to fit any space or heating system, and many models feature advanced technologies to improve energy efficiency and reduce energy costs. Whether you're renovating your home or upgrading your heating system, plastic radiators are a reliable and cost-effective choice.
At a Glance: Our Top Picks
Top 8 Plastic Radiators
Grakob RCT3 Plastic Plumb Thumbs Tool Pack
The Grakob RCT3 Tool offers a convenient mechanical solution for removing radiators without the hassle of using your fingers or thumbs on the connections. This double-ended tool features both ½” and ¾” ends, making it versatile for different radiator sizes. With this product, you can easily handle radiator removal tasks, which can save you time and effort. It's designed to enhance your efficiency while ensuring a secure grip, providing peace of mind during your plumbing projects.
B&Z Heatproof Plastic Caps for Radiators
The B&Z Heatproof Caps are made from high-quality plastic, ensuring durability and resistance to heat. This means you can trust them to protect your radiator brackets effectively. They are easy to fit, making installation a breeze for you, whether your radiator is vertical or horizontal. These caps are designed specifically for designer radiator brackets, offering a sleek solution that enhances your decor while providing essential protection.
Chrome Towel Rail Wall Brackets for Curved or Flat
The MyHomeware Chrome Brackets are designed for both flat and curved towel rails, providing you with versatile installation options. You can easily adjust the distance from the wall to the front of your towel rail, ranging from 80 to 100mm, allowing for a customised fit in any bathroom. Each bracket supports up to 20kg, ensuring your towels are securely held. This package includes two chrome brackets, enhancing the aesthetic of your space while providing practical functionality.
BlissfulAbode Radiator Valve Cap Replacement
The BlissfulAbode Valve Caps are made from high-quality ABS plastic, ensuring durability and protecting your radiator valves for years to come. Installation is a breeze as no special tools are required; simply press the caps onto the valves for a perfect fit. These caps are compatible with almost all radiator valve types, safeguarding the valve stems from exposure. Additionally, the design features inner washer holes that provide a secure grip, ensuring a stable installation that you can rely on.
OTOTEC 20Pcs Radiator Anti Vibration Inserts
The OTOTEC Radiator Inserts come with 20 pieces, providing ample supplies for your daily needs. Each insert measures 10x14mm, making them suitable for most radiators. Designed with a wall thickness of 1.5mm to 1.8mm, they offer durability, although a slight play is normal once attached. Made from flexible plastic, these inserts are built to last and resist deformation, ensuring long-term use. Plus, installation is straightforward; simply push them into the radiator bracket without the need for complicated tools.
Speedfit Radiator Outlet Plate with Entry Points
The Speedfit Radiator Plate is designed to enhance your radiator setup. Available individually or in packs, this outlet plate measures 85mm square and includes two entry points for 8mm, 10mm, or 15mm pipework. This versatility allows you to choose the right size for your installation needs, ensuring a secure fit. Manufactured by John Guest, it can be used with either copper or plastic pipework, giving you flexibility in your plumbing choices. This feature ensures you can integrate it seamlessly into your existing system.
Speedfit Radiator Outlet Plate - Pack of 2
The Speedfit Radiator Outlet Plate is a versatile solution for your heating needs. Sold in a convenient pack of two, these plates are designed to accommodate pipework sizes of 8mm, 10mm, or 15mm, making them suitable for various installations. With two entry points on either side, you can easily set up your radiator connections. Manufactured by John Guest, you can trust the quality and durability of these plates, and they are compatible with both copper and plastic pipework, ensuring you have flexible options for your plumbing projects.
ULTECHNOVO Radiator Protective Cover and Bracket
The ULTECHNOVO Radiator Cover provides essential protection for your home’s radiators. Its modern anti-vibration design not only enhances safety but also complements contemporary interiors. The cover effectively prevents dust accumulation and scratches, ensuring your radiator operates at peak efficiency. Installation is a breeze, requiring no tools, making it a convenient addition to your home. Simply push the cover into the radiator bracket for a reliable fit, suitable for most radiator sizes.
During our plastic radiator research, we found 179 plastic radiator products and shortlisted 8 quality products. We collected and analyzed 10,846 customer reviews through our big data system to write the plastic radiators list. We found that most customers choose plastic radiators with an average price of £10.71.
The plastic radiators are available for purchase. We have researched hundreds of brands and picked the top brands of plastic radiators, including JD Brands, B&Z, MyHomeware, BlissfulAbode, OTOTEC.

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.