Panel Radiators

Panel radiators are flat steel radiators in single, double and triple panel builds, horizontal or vertical. Compare the Stelrad, Myson, CenterRad and Purmo ranges by height, width and output. Most run on central heating, and some electric models are listed.

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  • Center Type 21 Double Panel Single Convector Radiator 750 mm x 1400 mm 7670 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 750 mm x 1400 mm 7670 BTU

    • 750 × 1,400 mm

    Code 706877

    £210.17 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 750 mm x 1200 mm 6575 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 750 mm x 1200 mm 6575 BTU

    • 750 × 1,200 mm

    Code 706884

    £178.30 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 750 mm x 1100 mm 6029 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 750 mm x 1100 mm 6029 BTU

    • 750 × 1,100 mm

    Code 706880

    £167.09 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 750 mm x 1000 mm 5480 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 750 mm x 1000 mm 5480 BTU

    • 750 × 1,000 mm

    Code 706885

    £153.60 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 750 mm x 900 mm 4930 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 750 mm x 900 mm 4930 BTU

    • 750 × 900 mm

    Code 706886

    £142.59 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 750 mm x 800 mm 4384 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 750 mm x 800 mm 4384 BTU

    • 750 × 800 mm

    Code 706891

    £127.48 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 750 mm x 700 mm 3835 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 750 mm x 700 mm 3835 BTU

    • 750 × 700 mm

    Code 706892

    £111.33 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 750 mm x 600 mm 3289 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 750 mm x 600 mm 3289 BTU

    • 750 × 600 mm

    Code 706908

    £100.67 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 750 mm x 500 mm 2740 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 750 mm x 500 mm 2740 BTU

    • 750 × 500 mm

    Code 706910

    £90.18 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 750 mm x 400 mm 2191 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 750 mm x 400 mm 2191 BTU

    • 750 × 400 mm

    Code 706903

    £76.31 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 600 mm x 2000 mm 9144 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 600 mm x 2000 mm 9144 BTU

    • 600 × 2,000 mm

    Code 706881

    £171.93 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 600 mm x 1800 mm 8230 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 600 mm x 1800 mm 8230 BTU

    • 600 × 1,800 mm

    Code 706915

    £156.85 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 600 mm x 1600 mm 7315 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 600 mm x 1600 mm 7315 BTU

    • 600 × 1,600 mm

    Code 706954

    £140.08 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 600 mm x 1400 mm 6401 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 600 mm x 1400 mm 6401 BTU

    • 600 × 1,400 mm

    Code 706970

    £123.38 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 600 mm x 1200 mm 5486 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 600 mm x 1200 mm 5486 BTU

    • 600 × 1,200 mm

    Code 706979

    £109.75 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 600 mm x 1100 mm 5029 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 600 mm x 1100 mm 5029 BTU

    • 600 × 1,100 mm

    Code 706963

    £102.94 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 600 mm x 1000 mm 4572 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 600 mm x 1000 mm 4572 BTU

    • 600 × 1,000 mm

    Code 706980

    £94.10 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 600 mm x 900 mm 4115 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 600 mm x 900 mm 4115 BTU

    • 600 × 900 mm

    Code 706965

    £86.07 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 600 mm x 800 mm 3658 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 600 mm x 800 mm 3658 BTU

    • 600 × 800 mm

    Code 706977

    £79.30 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 600 mm x 700 mm 3200 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 600 mm x 700 mm 3200 BTU

    • 600 × 700 mm

    Code 706958

    £72.83 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 600 mm x 600 mm 2743 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 600 mm x 600 mm 2743 BTU

    • 600 × 600 mm

    Code 706978

    £66.03 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 600 mm x 500 mm 2286 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 600 mm x 500 mm 2286 BTU

    • 600 × 500 mm

    Code 706962

    £59.24 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 600 mm x 400 mm 1829 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 600 mm x 400 mm 1829 BTU

    • 600 × 400 mm

    Code 706947

    £52.49 inc. VAT

    Available to order

  • Center Type 21 Double Panel Single Convector Radiator 450 mm x 1800 mm 6510 BTU

    CenterRad Compact

    Center Type 21 Double Panel Single Convector Radiator 450 mm x 1800 mm 6510 BTU

    • 450 × 1,800 mm

    Code 706895

    £146.54 inc. VAT

    Available to order

About Panel Radiators

Single, double or triple: understanding panel types

The biggest decision with a panel radiator is how many panels and convector fins it has. Brands name these in two ways, so the same build can appear under different labels.

Single panel, single convector (Type 11 or K1)

One panel with one set of fins.

Double panel, single convector (Type 21 or P+)

Two panels with one set of fins between them. More heat than a single at the same height and width.

Double panel, double convector (Type 22 or K2)

Two panels with two sets of fins, often what people mean when they search for a "double radiator". More heat again at the same size.

Triple panel (Type 33 or K3)

Three panels with three sets of fins, for more heat again at the same size. Listed in ranges such as Myson Select Compact and Stelrad Vita Compact.

Double panel, no convector (Type 20 or P2)

Two panels with no fins. Type 20 is P2, not P+. Some ranges, such as Stelrad Compact With Style, list a "Double P2".

Our radiator terms explained page explains the names.

Sizing a panel radiator

Measure first

Panel sizes are written height × width in millimetres, for example 450 × 1600 mm. Many searches use the opposite order, so check which figure is the height.

Then match the output

Get an estimate of the room's needs from our BTU calculator, which gives a figure in BTU, then pick a size and type whose listed output meets it. Each product page shows its rated output, and the test condition (ΔT) where it is stated. Outputs are only directly comparable when both products state the same ΔT.

Horizontal and vertical

Most panels are horizontal. Vertical panels, such as the CenterRad Streyt, use wall height rather than wall width.

Finishes and power source

White and RAL 9016 traffic white are standard, with anthracite on some ranges. Most panels connect to a wet central heating system; electric models are also in the Electric Radiators collection.

Popular panel ranges

Start with Stelrad Softline, Myson Premier HE Metric or CenterRad Compact, or use the radiator finder to search every brand from your measurements.

Frequently asked questions

  • Is a Type 22 the same as a K2?

    Yes. Both names describe two panels with two sets of convector fins. Brands use one name or the other.

  • Which brands make panel radiators?

    In this collection: Stelrad, Myson, CenterRad, Purmo and Reina, among others.