Efficient Window Radiator

300mm High Curved Radiator for Bay Windows - Space saving size

300mm x 1000mm £318.00
£318.00
Sale price  £318.00 Regular price 
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Efficient Window Radiator

300mm High Curved Radiator for Bay Windows - Space saving size

£318.00
Sale price  £318.00 Regular price 
Size (Height x Length)
How do I measure my bay?

Our 300mm curved radiators are the perfect low-profile heating solution for bay windows where space is limited. Designed to sit neatly beneath low sills, they follow the exact curve of your bay window for a seamless, built-in finish.

Ideal for Low Windows & Compact Spaces

The 300mm height is ideal for:

  • Low bay windows

  • Shallow window sills

  • Rooms where minimal visual impact is important

Despite its compact size, this curved radiator delivers efficient and even heat distribution across the bay area.

Made to Measure for a Perfect Fit

Each 300mm curved radiator is bespoke manufactured to your exact measurements, ensuring:

  • No wasted wall space

  • No cold spots

  • A clean, professional installation

Simply provide your bay window dimensions and we’ll tailor the radiator to fit precisely.

Key Features

  • 300mm low-profile curved design

  • Ideal for bay windows and curved walls

  • Made to measure in the UK

  • Even heat distribution

  • Compatible with standard central heating systems and heat pumps

Why Choose a 300mm Curved Radiator?

Flat radiators often struggle in bay windows, especially where height is restricted. A 300mm curved radiator maximises available space while maintaining comfort and style.

Order your bespoke 300mm curved radiator today.

 

Our 300mm curved radiators are the perfect low-profile heating solution for bay windows where space is limited. Designed to sit neatly beneath low sills, they follow the exact curve of your bay window for a seamless, built-in finish.


 

Heat Outputs

Height Width  Heat Output
300mm 1000mm 560 watts / 1911 BTU
300mm 1100mm 616 watts / 2102 BTU
300mm 1200mm 672 watts / 2293 BTU
300mm 1300mm 728 watts / 2484 BTU
300mm 1400mm 784 watts / 2675 BTU
300mm 1600mm 893 watts / 3047 BTU
300mm 1800mm 995 watts / 3395 BTU
300mm 2000mm 1120 watts / 3822 BTU
300mm 2200mm 1191 watts / 4067 BTU
300mm 2400mm 1299 watts / 4436 BTU
300mm 2700mm 1462 watts / 4990 BTU
300mm 3000mm 1623 watts / 5544 BTU

 


What's included

Brackets, Bleed Vent and End cap included FREE with ALL Radiators

Radiators 1000mm to 1600mm come with 2 brackets.

Radiators 1800mm to 3000mm come with 3 brackets.

 

Available Curved Radiator Heights

We offer bespoke curved radiators in multiple heights to suit different bay windows and heat requirements:

 

All our radiators are especially made for you. Once ordered we will send you an email requesting a few simple measurements for your bay- just send these over to us and we'll get right onto making your radiator. As they are bespoke items they take around 2 weeks from us receiving your measurements to delivery. Simple!

 

Click here to learn how to measure up your bay in 3 easy steps

Frequently Asked Questions – 300mm Curved Radiators

Is a 300mm curved radiator suitable for bay windows?

Yes. A 300mm curved radiator is ideal for bay windows with lower sill heights or where a more discreet heating solution is required. It provides efficient, even heat while maintaining a slim profile that fits neatly beneath tighter window spaces.

How much heat output does a 300mm curved radiator provide?

Heat output depends on the width, depth, and room requirements. Despite its lower height, a 300mm curved radiator can still provide excellent performance when correctly sized. All the outputs are listed above for each length. A BTU calculation is recommended to ensure accurate heating.

Is a 300mm curved radiator made to measure?

Yes. Each 300mm curved radiator is manufactured to match the exact curve of your bay window, ensuring a seamless fit and maximum efficiency.

Will a 300mm curved radiator fit under my window sill?

In most cases, yes. The 300mm height is specifically designed for lower sill clearance situations. Always measure carefully to allow space for valves and airflow.

Can a 300mm curved radiator heat a room on its own?

For smaller rooms or well-insulated spaces, yes. For larger rooms, additional heating or a larger radiator may be recommended.

Curved Radiator BTU Calculator

Calculate the ideal radiator heat output for your room in BTU and Watts

Room dimensions

Room details

What is BTU? BTU (British Thermal Unit) measures the heat output of a radiator. The higher the BTU, the more heat the radiator produces. Choosing the right BTU ensures your room stays warm and comfortable while maintaining energy efficiency.

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