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Radiators

Whether you want a column radiator to add a classic style, or vertical radiators to save wall space, there’s a choice for every room. Sizes range from 600 x 600mm and 600 x 800mm to larger models like 600 x 1400mm, so you can find the right fit for your heating needs.

You can also choose from different types, such as Type 11, Type 21, and Type 22 convector radiators, depending on how many panels you need for better heat output.

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  •

    Kartell K-Flat Kompact Radiator Type 11 Single 400 x 600mm

    £131.28 - £254.20 each (Ex VAT)
    £157.54 - £305.04 each (Inc VAT)
    The K-Rad K-Flat radiator in Type 11 at 400x1000 is a horizontal double convector radiator, which will enhance any home with space saving classic elegance and efficiency. They have over a wide range of sizes, and the modern look to the radiator will...
    £131.28 - £254.20 each (Ex VAT)
    £157.54 - £305.04 each (Inc VAT)

  • Kartell K-Flat Kompact Radiator Type 11 Single 500 x 400mm

    £166.94 - £377.39 each (Ex VAT)
    £200.33 - £452.87 each (Inc VAT)
    The K-Rad K-Flat radiator in Type 11 at 500x1000 is a horizontal double convector radiator, which will enhance any home with space saving classic elegance and efficiency. They have over a wide range of sizes, and the modern look to the radiator will...
    £166.94 - £377.39 each (Ex VAT)
    £200.33 - £452.87 each (Inc VAT)

  • Kartell K-Flat Kompact Radiator Type 22 Double 400 x 600mm

    £187.62 - £429.75 each (Ex VAT)
    £225.14 - £515.70 each (Inc VAT)
    The K-Rad K-Flat radiator in Type 22 at 400x1000 is a horizontal double convector radiator, which will enhance any home with space saving classic elegance and efficiency. They have over a wide range of sizes, and the modern look to the radiator will...
    £187.62 - £429.75 each (Ex VAT)
    £225.14 - £515.70 each (Inc VAT)

  • Kartell K-Flat Kompact Radiator Type 22 Double 500 x 400mm

    £174.26 - £506.61 each (Ex VAT)
    £209.11 - £607.93 each (Inc VAT)
    The K-Rad K-Flat radiator in Type 22 at 500x1000 is a horizontal double convector radiator, which will enhance any home with space saving classic elegance and efficiency. They have over a wide range of sizes, and the modern look to the radiator will...
    £174.26 - £506.61 each (Ex VAT)
    £209.11 - £607.93 each (Inc VAT)

  • Kartell K-Flat Kompact Vertical Radiator Type 10 Single 1800 x 300mm

    £251.77 - £361.60 each (Ex VAT)
    £302.12 - £433.92 each (Inc VAT)
    The K-Rad vertical K-Flat 1800x300 in type 2 is a quality central heating radiator, with an excellent heat output. The sophisticated and stylish design of the radiator will make it a statement for your home. They are also ideal for smaller rooms too, as...
    £251.77 - £361.60 each (Ex VAT)
    £302.12 - £433.92 each (Inc VAT)

  • Kartell K-Flat Kompact Vertical Radiator Type 20 Double 1800 X 300mm

    £361.60 - £536.76 each (Ex VAT)
    £433.92 - £644.11 each (Inc VAT)
    The K-Rad Vertical K-Flat 1800x300 in Type 20 is a quality central heating radiator, with an excellent heat output. It also offers an unbeatable value for money. It is supplied with side panels and is a double panel radiator.
    £361.60 - £536.76 each (Ex VAT)
    £433.92 - £644.11 each (Inc VAT)
  • Kartell K-Flat Premium Radiator Type 11 Single 600 x 400mm

    Kartell K-Flat Premium Radiator Type 11 Single 600 x 400mm

    £168.49 - £490.17 each (Ex VAT)
    £202.19 - £588.20 each (Inc VAT)
    The K-Rad Premium Vertical K-Flat 600x1000 in Type 11 is a quality central heating radiator, with an excellent heat output. It also offers an unbeatable value for money. It is supplied with side panels and is a double panel radiator.
    £168.49 - £490.17 each (Ex VAT)
    £202.19 - £588.20 each (Inc VAT)
  • Kartell K-Flat Premium Radiator Type 22 Double 400 x 600mm

    Kartell K-Flat Premium Radiator Type 22 Double 400 x 600mm

    £229.44 - £482.35 each (Ex VAT)
    £275.33 - £578.82 each (Inc VAT)
    The K-Rad Premium Vertical K-Flat 400x1000 in Type 22 is a quality central heating radiator, with an excellent heat output. It also offers an unbeatable value for money. It is supplied with side panels and is a double panel radiator.
    £229.44 - £482.35 each (Ex VAT)
    £275.33 - £578.82 each (Inc VAT)
  • Kartell K-Flat Premium Radiator Type 22 Double 500 x 400mm

    Kartell K-Flat Premium Radiator Type 22 Double 500 x 400mm

    £209.16 - £563.58 each (Ex VAT)
    £250.99 - £676.30 each (Inc VAT)
    The K-Rad Premium Vertical K-Flat 500x1000 in Type 22 is a quality central heating radiator, with an excellent heat output. It also offers an unbeatable value for money. It is supplied with side panels and is a double panel radiator.
    £209.16 - £563.58 each (Ex VAT)
    £250.99 - £676.30 each (Inc VAT)
  • Kartell K-Flat Premium Radiator Type 22 Double 600 x 400mm

    Kartell K-Flat Premium Radiator Type 22 Double 600 x 400mm

    £231.09 - £781.86 each (Ex VAT)
    £277.31 - £938.23 each (Inc VAT)
    The K-Rad Premium Vertical K-Flat 600x1000 in Type 22 is a quality central heating radiator, with an excellent heat output. It also offers an unbeatable value for money. It is supplied with side panels and is a double panel radiator.
    £231.09 - £781.86 each (Ex VAT)
    £277.31 - £938.23 each (Inc VAT)

  • Kartell K-Flat Vertical Premium Radiator Type 10 Single 1800 x 300mm

    £289.49 - £415.89 each (Ex VAT)
    £347.39 - £499.07 each (Inc VAT)
    The K-Rad Premium Vertical K-Flat 1800x300 in Type 10 is a quality central heating radiator, with an excellent heat output. It also offers an unbeatable value for money. It is supplied with side panels and is a double panel radiator.
    £289.49 - £415.89 each (Ex VAT)
    £347.39 - £499.07 each (Inc VAT)

  • Kartell K-Flat Vertical Premium Radiator Type 20 Double 1800 x 300mm

    £412.56 - £594.50 each (Ex VAT)
    £495.07 - £713.40 each (Inc VAT)
    The K-Rad Premium Vertical K-Flat 1800x300 in Type 20 is a quality central heating radiator, with an excellent heat output. It also offers an unbeatable value for money. It is supplied with side panels and is a double panel radiator.
    £412.56 - £594.50 each (Ex VAT)
    £495.07 - £713.40 each (Inc VAT)

Radiators

Upgrade your home’s comfort and style with our premium vertical radiator solutions. Designed to combine heating efficiency with modern design, our range includes everything from space-saving vertical radiators to sleek towel rail radiators.

Each option is crafted from durable materials, available in stylish finishes, and tailored to suit your home’s needs.

Types of radiators

  • Vertical Radiators: Save wall space and add a contemporary look.
  • Black Radiators: Bold and modern, perfect for minimalist or industrial interiors.
  • Column Radiators: Classic style with modern efficiency, ideal for traditional homes.
  • Small Radiators: Compact but powerful, designed for snug spaces.
  • Towel Rail Radiators: Keep bathrooms warm while drying and warming towels.

Radiator accessories

  • Radiator Covers: Conceal your radiator with style while adding storage space.
  • Radiator Paint: Customize with heat-resistant paint in a choice of colors.
  • Radiator Shelf: Add extra storage or display space above your radiator.
  • Radiator Valves: Choose thermostatic or manual valves for precise control.

    • How to bleed a radiator

    To keep your radiators working efficiently, it’s important to remove trapped air. The process is straightforward, but for full guidance, check out our blog for a detailed step-by-step article on how to bleed a radiator. You’ll find expert tips and advice to keep your heating system performing at its best.

    For more advice on choosing the right vertical radiator or column radiator for your home, contact your local Howarth branch or speak with our friendly team today.

How to guides

A Buying Guide to Radiators

Read through and discover the ultimate radiator buying guide with tips on types, sizes, finishes, and accessories like valves and covers to help you choose the perfect radiator for your home.

Frequently Asked Questions

What size radiator do I need?
To figure out what size radiator you may need for your room, you can use a radiator BTU calculator tool online.
How does a radiator work?
Radiators work through a heat transfer process called convection. This means that when water in the radiator is heated, the surrounding air is also heated up via convection and this hot air is then moved around the room as the air circulates.
How to measure a radiator?
Take your tape measure from the lowest point of your radiator to the highest.
Can you paint radiators?
Yes, you can paint radiators.
When to bleed radiators?
Radiators need bleeding when they have air trapped inside of them. If your radiator is cold at the top, but warm at the bottom, it usually means they need to be bled.

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