300mm High Radiators

When wall height is restricted, our range of 300mm high radiators offers an excellent heating solution without compromising on warmth or style. These low-profile radiators are perfectly suited for installation under low windows, in conservatories on dwarf walls, or in rooms with sloping ceilings where a standard height radiator simply won't fit. Despite their compact height, they are engineered to provide efficient and effective heat distribution, ensuring your space remains comfortable throughout the colder months.

We stock 300mm radiators in a variety of lengths to suit different room sizes, from compact 400mm widths up to substantial 2000mm models for larger, open-plan areas. You can also choose from different radiator profiles to perfectly match your heat output requirements: opt for a slimline Type 11 single panel for tight spaces, or select a Type 21 or Type 22 double panel model when you need maximum BTU output from a low wall area. Available in clean, classic white finishes, our 300mm radiators from trusted brands like Kudox Premium and Purmo integrate seamlessly into any decor.

Frequently Asked Questions | FAQs

Are 300mm radiators suitable for conservatories?

Yes, 300mm radiators are highly popular for conservatories. Their low profile makes them ideal for mounting on the short "dwarf walls" typical of conservatory designs, allowing you to add central heating without blocking the glass panels or views. Given that conservatories often suffer from heat loss, we recommend choosing a high-output model, such as a Type 22 double panel, to ensure the space stays warm during winter.

What is the difference between a Type 11, Type 21, and Type 22 300mm radiator?

These "Types" refer to the construction and heat output (BTU) of the radiator:

• Type 11 (Single Panel, Single Convector): The slimmest option, featuring one front panel and one set of convection fins. Ideal when you have very limited depth available.

• Type 21 (Double Panel Plus): Features two panels (front and back) but only one set of convection fins sandwiched between them. A good balance of slim profile and increased heat output.

• Type 22 (Double Panel, Double Convector): The thickest and most powerful option, featuring two panels and two sets of fins. This provides the maximum possible heat output for a 300mm high radiator.

Do 300mm radiators come with wall brackets?

Yes, all of our standard Kudox Premium and Purmo steel panel radiators are supplied complete with the necessary wall brackets, wall plugs, and screws required for installation, as well as the blanking plug and air vent (bleed valve).