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  3. Central Heating Radiators

600mm High Radiators

The 600mm high radiator is widely considered the industry standard height for domestic central heating in the UK. This versatile size offers an... 

The 600mm high radiator is widely considered the industry standard height for domestic central heating in the UK. This versatile size offers an optimal surface area for effective heat convection and radiation, making it the perfect choice for heating living rooms, bedrooms, dining areas, and hallways. Because it is the most common height, you will find the largest selection of widths and profiles within this range, ensuring you can find the exact match for both your wall space and your room's BTU (British Thermal Unit) requirements.

Our extensive 600mm range includes everything from compact 400mm wide models up to expansive 2000mm options for heating very large, open-plan spaces. We stock all major panel profiles, including the slimline Type 11 (single panel), the popular Type 21 (double panel plus), the high-output Type 22 (double panel), and even ultra-high-output Type 33 (triple panel) radiators for when maximum heat is needed from a limited wall width. Choose from top trade brands like Kudox Premium, Stelrad, and Purmo, all finished in classic white and supplied with wall brackets and bleed valves ready for installation.

Frequently Asked Questions | FAQs

Is a 600mm radiator the standard size?

Yes, 600mm is generally considered the standard, most common height for panel radiators in the UK. It is a highly efficient height for convection heating and fits comfortably on most unobstructed walls in living rooms, bedrooms, and hallways. Because it is the standard, it offers the widest variety of lengths and heat outputs.

What width 600mm radiator do I need?

The required width of your 600mm radiator is dictated by the heat output (BTU) needed to keep your room warm. You should first use a BTU calculator to determine your room's requirement. Once you know the required BTU, you can look at the 600mm high models and select a combination of width and "Type" (e.g., Type 11, 21, or 22) that provides that output. A longer Type 11 will provide similar heat to a shorter Type 22, allowing you to choose based on available wall space.

What do Type 11, Type 21, Type 22, and Type 33 mean?

These "Types" indicate the internal structure and depth of the radiator, which directly affects its heat output:

  • Type 11 (Single Panel): One front panel and one row of convection fins. The slimmest option, ideal for hallways or small rooms.

  • Type 21 (Double Panel Plus): Two panels (front and back) but only one row of fins in the middle. A good middle-ground for heat output and depth.

  • Type 22 (Double Panel): Two panels and two rows of fins. The most popular choice for standard living rooms and bedrooms, offering high heat output.

Type 33 (Triple Panel): Three panels and three rows of fins. The deepest option, providing massive heat output—ideal for very large rooms or where wall width is severely restricted.

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StelradStelradStelrad / Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 400mm 1338 BTU
( 9 )

Product code: 34808

Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 400mm 1338 BTU

£56.99

ex. VAT £47.49Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 900mm 4917Btu
( 15 )

Product code: 17587

Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 900mm 4917Btu

£176.49

ex. VAT £147.07Each

StelradStelradStelrad / Stelrad Softline Compact Type K3 Steel Panel Radiator 600 x 1400mm 11413Btu
( 2 )

Product code: 86839

Stelrad Softline Compact Type K3 Steel Panel Radiator 600 x 1400mm 11413Btu

£414.99

ex. VAT £345.82Each

StelradStelradStelrad / Stelrad Softline Compact Type K3 Steel Panel Radiator 600 x 800mm 6520Btu
( 2 )

Product code: 95249

Stelrad Softline Compact Type K3 Steel Panel Radiator 600 x 800mm 6520Btu

£244.00

ex. VAT £203.33Each

StelradStelradStelrad / Stelrad Softline Compact Type P+ Steel Panel Radiator 600 x 1000mm 4590Btu

Product code: AB915

Stelrad Softline Compact Type P+ Steel Panel Radiator 600 x 1000mm 4590Btu

£138.49

ex. VAT £115.41Each

StelradStelradStelrad / Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 1400mm 4683Btu
( 9 )

Product code: 15506

Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 1400mm 4683Btu

£140.99

ex. VAT £117.49Each

StelradStelradStelrad / Stelrad Softline Compact Type K2 Steel Panel Radiator 600 x 800mm 4730Btu
( 15 )

Product code: 98823

Stelrad Softline Compact Type K2 Steel Panel Radiator 600 x 800mm 4730Btu

£119.49

ex. VAT £99.57Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 2000mm 10925Btu
( 15 )

Product code: 74701

Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 2000mm 10925Btu

£555.99

ex. VAT £463.32Each

StelradStelradStelrad / Stelrad Softline Compact Type P+ Steel Panel Radiator 600 x 1100mm 5051Btu

Product code: AB930

Stelrad Softline Compact Type P+ Steel Panel Radiator 600 x 1100mm 5051Btu

£188.49

ex. VAT £157.07Each

StelradStelradStelrad / Stelrad Softline Compact Type K2 Steel Panel Radiator 600 x 1600mm 9547Btu
( 15 )

Product code: 91343

Stelrad Softline Compact Type K2 Steel Panel Radiator 600 x 1600mm 9547Btu

£276.49

ex. VAT £230.41Each

StelradStelradStelrad / Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 1200mm 4014Btu
( 9 )

Product code: 73101

Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 1200mm 4014Btu

£123.99

ex. VAT £103.32Each

StelradStelradStelrad / Stelrad Softline Compact Type K2 Steel Panel Radiator 600 x 600mm 3546Btu
( 15 )

Product code: 66959

Stelrad Softline Compact Type K2 Steel Panel Radiator 600 x 600mm 3546Btu

£106.99

ex. VAT £89.16Each

StelradStelradStelrad / Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 1800mm 6021Btu
( 9 )

Product code: 41536

Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 1800mm 6021Btu

£175.99

ex. VAT £146.66Each

StelradStelradStelrad / Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 700mm 2341Btu
( 9 )

Product code: 33238

Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 700mm 2341Btu

£84.49

ex. VAT £70.41Each

StelradStelradStelrad / Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 1000mm 3345Btu
( 9 )

Product code: 75655

Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 1000mm 3345Btu

£101.49

ex. VAT £84.57Each

StelradStelradStelrad / Stelrad Softline Compact Type K3 Steel Panel Radiator 600 x 1000mm 8151Btu
( 2 )

Product code: 21324

Stelrad Softline Compact Type K3 Steel Panel Radiator 600 x 1000mm 8151Btu

£279.99

ex. VAT £233.32Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 400mm 2184Btu
( 15 )

Product code: 11773

Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 400mm 2184Btu

£118.99

ex. VAT £99.16Each

StelradStelradStelrad / Stelrad Softline Compact Type K2 Steel Panel Radiator 600 x 1100mm 6502Btu
( 15 )

Product code: 71938

Stelrad Softline Compact Type K2 Steel Panel Radiator 600 x 1100mm 6502Btu

£169.99

ex. VAT £141.66Each

StelradStelradStelrad / Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 800mm 2676Btu
( 9 )

Product code: 91042

Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 800mm 2676Btu

£85.49

ex. VAT £71.24Each

PurmoPurmoPurmo / Ligna Flat Panel Radiator Type 11 600 x 600mm 1969Btu
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Product code: 76014

Ligna Flat Panel Radiator Type 11 600 x 600mm 1969Btu

£182.00

ex. VAT £151.67Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K1 Steel Panel Radiator 600 x 900mm 2672Btu
( 9 )

Product code: 19563

Stelrad Softline Silhouette Type K1 Steel Panel Radiator 600 x 900mm 2672Btu

£156.99

ex. VAT £130.82Each

StelradStelradStelrad / Stelrad Softline Compact Type K2 Steel Panel Radiator 600 x 700mm 4137Btu
( 15 )

Product code: 34889

Stelrad Softline Compact Type K2 Steel Panel Radiator 600 x 700mm 4137Btu

£111.99

ex. VAT £93.32Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K1 Steel Panel Radiator 600 x 1200mm 3562Btu
( 9 )

Product code: 79471

Stelrad Softline Silhouette Type K1 Steel Panel Radiator 600 x 1200mm 3562Btu

£158.99

ex. VAT £132.49Each

StelradStelradStelrad / Stelrad Softline Compact Type P+ Steel Panel Radiator 600 x 800mm 3672Btu

Product code: AB897

Stelrad Softline Compact Type P+ Steel Panel Radiator 600 x 800mm 3672Btu

£127.49

ex. VAT £106.24Each

StelradStelradStelrad / Stelrad Softline Compact Type K2 Steel Panel Radiator 600 x 500mm 2956Btu
( 15 )

Product code: 70034

Stelrad Softline Compact Type K2 Steel Panel Radiator 600 x 500mm 2956Btu

£95.99

ex. VAT £79.99Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 1000mm 5463Btu
( 15 )

Product code: 29237

Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 1000mm 5463Btu

£226.49

ex. VAT £188.74Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 800mm 4371Btu
( 15 )

Product code: 10108

Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 800mm 4371Btu

£164.49

ex. VAT £137.07Each

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( 2 )

Product code: 19969

Stelrad Softline Compact Type K3 Steel Panel Radiator 600 x 700mm 5705Btu

£229.99

ex. VAT £191.66Each

StelradStelrad / Stelrad Softline Compact Type P+ Steel Panel Radiator 600 x 1400mm 6427Btu

Product code: AB909

Stelrad Softline Compact Type P+ Steel Panel Radiator 600 x 1400mm 6427Btu

£325.49

ex. VAT £271.24Each

PurmoPurmoPurmo / Ligna Flat Panel Radiator Type 22 600 x 1400mm 8005Btu
( 4 )

Product code: 54350

Ligna Flat Panel Radiator Type 22 600 x 1400mm 8005Btu

£294.00

ex. VAT £245.00Each

PurmoPurmoPurmo / Ligna Flat Panel Radiator Type 11 600 x 800mm 2624Btu Each
( 2 )

Product code: 84343

Ligna Flat Panel Radiator Type 11 600 x 800mm 2624Btu Each

£183.00

ex. VAT £152.50Each

StelradStelradStelrad / Stelrad Softline Compact Type K3 Steel Panel Radiator 600 x 1200mm 9782Btu
( 2 )

Product code: 70767

Stelrad Softline Compact Type K3 Steel Panel Radiator 600 x 1200mm 9782Btu

£340.99

ex. VAT £284.16Each

StelradStelradStelrad / Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 900mm 3010Btu
( 9 )

Product code: 71773

Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 900mm 3010Btu

£95.99

ex. VAT £79.99Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K1 Steel Panel Radiator 600 x 1400mm 4156Btu
( 9 )

Product code: 63355

Stelrad Softline Silhouette Type K1 Steel Panel Radiator 600 x 1400mm 4156Btu

£169.99

ex. VAT £141.66Each

PurmoPurmoPurmo / Ligna Flat Panel Radiator Type 11 600 x 1000mm 3279Btu
( 2 )

Product code: 12176

Ligna Flat Panel Radiator Type 11 600 x 1000mm 3279Btu

£202.00

ex. VAT £168.33Each

PurmoPurmoPurmo / Ligna Flat Panel Radiator Type 11 600 x 1600mm 5248Btu
( 2 )

Product code: 89532

Ligna Flat Panel Radiator Type 11 600 x 1600mm 5248Btu

£249.00

ex. VAT £207.50Each

StelradStelradStelrad / Stelrad Softline Compact Type P+ Steel Panel Radiator 600 x 1200mm 5509Btu

Product code: AB921

Stelrad Softline Compact Type P+ Steel Panel Radiator 600 x 1200mm 5509Btu

£163.49

ex. VAT £136.24Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 700mm 3825Btu
( 15 )

Product code: 62020

Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 700mm 3825Btu

£146.99

ex. VAT £122.49Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K1 Steel Panel Radiator 600 x 800mm 2375Btu
( 9 )

Product code: 47161

Stelrad Softline Silhouette Type K1 Steel Panel Radiator 600 x 800mm 2375Btu

£129.49

ex. VAT £107.91Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 1100mm 6009Btu
( 15 )

Product code: 91409

Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 1100mm 6009Btu

£261.49

ex. VAT £217.91Each

StelradStelradStelrad / Stelrad Softline Compact Type K3 Steel Panel Radiator 600 x 900mm 7336Btu
( 2 )

Product code: 49081

Stelrad Softline Compact Type K3 Steel Panel Radiator 600 x 900mm 7336Btu

£256.99

ex. VAT £214.16Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K1 Steel Panel Radiator 600 x 400mm 1187Btu
( 9 )

Product code: 19647

Stelrad Softline Silhouette Type K1 Steel Panel Radiator 600 x 400mm 1187Btu

£94.99

ex. VAT £79.16Each

PurmoPurmoPurmo / Ligna Flat Panel Radiator Type 22 600 x 1000mm 5719Btu
( 4 )

Product code: 36602

Ligna Flat Panel Radiator Type 22 600 x 1000mm 5719Btu

£273.00

ex. VAT £227.50Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K1 Steel Panel Radiator 600 x 1600mm 4750Btu
( 9 )

Product code: 28320

Stelrad Softline Silhouette Type K1 Steel Panel Radiator 600 x 1600mm 4750Btu

£271.99

ex. VAT £226.66Each

PurmoPurmoPurmo / Ligna Flat Panel Radiator Type 11 600 x 1400mm 4589Btu
( 2 )

Product code: 49710

Ligna Flat Panel Radiator Type 11 600 x 1400mm 4589Btu

£213.00

ex. VAT £177.50Each

StelradStelradStelrad / Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 1200mm 6554Btu
( 15 )

Product code: 69468

Stelrad Softline Silhouette Type K2 Steel Panel Radiator 600 x 1200mm 6554Btu

£271.99

ex. VAT £226.66Each

StelradStelradStelrad / Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 1600mm 5352Btu
( 9 )

Product code: 35957

Stelrad Softline Compact Type K1 Steel Panel Radiator 600 x 1600mm 5352Btu

£156.99

ex. VAT £130.82Each

PurmoPurmoPurmo / Ligna Flat Panel Radiator Type 22 600 x 1600mm 9151Btu

Product code: 61778

Ligna Flat Panel Radiator Type 22 600 x 1600mm 9151Btu

£303.00

ex. VAT £252.50Each