How do I decide between single, double and triple panel radiators for my room?

Look at how much heat you need and how much wall depth you can spare. Single panel single convector models (Type 11 / K1) are the slimmest and suit small bedrooms or halls, while double panel double convector (Type 22 / K2) gives noticeably more output for living rooms. Triple panel triple convector (Type 33) delivers the highest output if you have a short wall but need lots of heat. a compact 450 x 600mm Type 11 is ideal for a small bedroom, whereas a 600 x 1600mm Type 22 will warm a larger living area more effectively.

How do I match a Stelrad Compact radiator to the BTU requirement of my room?

Use the BTU Output (Delta 50) products in our range to match the radiator's stated output to the heat loss calculation for your room. The catalogue groups outputs from 1,000 up to 25,000 BTU, so you can filter for the exact range you need and then pick a size that fits your wall, radiators in the 4,000-6,000 BTU range are commonly available in 600 x 900 or 600 x 1200mm sizes. If you need a quick steer, smaller bedrooms often fall in the 1,000-2,000 BTU band, while medium living rooms typically need 3,000-6,000 BTU. Match the BTU figure first, then confirm the physical width and height will fit the space.

What practical difference does Stelrad's steel construction and powder-coated finish make?

High-quality steel gives reliable heat transfer and structural strength, while the robust powder-coated finish resists wear and corrosion so the radiator stays looking good over time. That low-maintenance surface makes cleaning easy and is reassuring for humid rooms such as kitchens or bathrooms. The catalogue emphasises longevity and energy efficiency, so you get durable performance as well as a neat painted appearance.

When would I pick a vertical radiator over a horizontal one?

Vertical radiators are useful when wall width is limited but you have height to spare, such as between a door and a window or in narrow hallways. The range includes vertical options and heights up to 2,000mm, and widths can be as narrow as 300mm, so you can get significant output without a wide footprint. a 300 x 1500mm double panel radiator gives good heat in a tall, narrow space where a traditional horizontal model would not fit.

How do I balance a sleek look with maximum heating performance?

Sleeker models like single panel types or the "Compact with Style" variants keep a slim profile and suit modern interiors, but if you need higher output you'll move to double or triple panels which are deeper. The Compact range is designed to be slim yet efficient, so you can often meet your heat needs with a compact-looking double panel Type 22 rather than a bulky alternative. If you want minimal projection into the room, opt for a higher-performance double panel in a taller or wider size rather than a triple panel that sticks out more.

Page 3 of 9 Stelrad Compact Radiators

stelrad-softline-compact-k1-600-x-1100mm-single-panel-radiator-single-convector-white-80601111

Save £19.25 | Was £144.22

stelrad-compact-k2-radiator-450mm-x-1600mm-double-panel-double-convector-143726

Stelrad Compact K2 Type 22 450 x 1600mm Double Panel Radiator Double Convector - 143726

More Options Available

£216.83 inc
VAT

Save £26.79 | Was £243.62

stelrad-compact-p-radiator-450mm-x-1400mm-double-panel-single-convector-143707

Save £33.21 | Was £302.05

stelrad-compact-k2-radiator-600mm-x-900mm-double-panel-double-convector-143787

Stelrad Compact K2 Type 22 600 x 900mm Double Panel Radiator Double Convector - 143787

More Options Available

£159.97 inc
VAT

Save £6.13 | Was £166.10

stelrad-compact-p-radiator-450mm-x-600mm-double-panel-single-convector-143700

Stelrad Compact P+ Type 21 450 x 600mm Double Panel Radiator Single Convector - 143700

More Options Available

£81.22 inc
VAT

Save £10.03 | Was £91.25

stelrad-compact-p-radiator-600mm-x-1400mm-double-panel-single-convector-143773

Stelrad Compact P+ Type 21 600 x 1400mm Double Panel Radiator Single Convector - 143773

More Options Available

£205.56 inc
VAT

stelrad-compact-p-radiator-450mm-x-1100mm-double-panel-single-convector-143705

Stelrad Compact P+ Type 21 450 x 1100mm Double Panel Radiator Single Convector - 143705

More Options Available

£130.16 inc
VAT

Save £23.39 | Was £153.55

stelrad-compact-k1-radiator-450mm-x-400mm-single-panel-single-convector-143680

Save £20.23 | Was £183.80

stelrad-compact-k2-radiator-450mm-x-1200mm-double-panel-double-convector-143724

Save £26.58 | Was £179.15

stelrad-compact-k2-radiator-300mm-x-1500mm-double-panel-double-convector-143664

Stelrad Compact K2 Type 22 300 x 1500mm Double Panel Radiator Double Convector - 143664

More Options Available

£150.29 inc
VAT

Save £18.57 | Was £168.86

stelrad-compact-k1-radiator-700mm-x-500mm-single-panel-single-convector-143813

Stelrad Compact K1 Type 11 700 x 500mm Single Panel Radiator Single Convector - 143813

More Options Available

£69.84 inc
VAT

Save £8.86 | Was £78.70

stelrad-compact-k1-radiator-600mm-x-600mm-single-panel-single-convector-143748

Save £15.28 | Was £159.90

Page 3 of 9 Stelrad Compact Radiators

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Stelrad Softline Compact K1 600 x 1100mm Single Panel Radiator Single Convector White - 80601111

Stelrad Compact K1 Type 11 600 x 1200mm Single Panel Radiator Single Convector - 143754

Stelrad Softline Compact K1 450 x 1400mm Single Panel Radiator Single Convector White - 80451114

Stelrad Softline Compact K2 700 x 400mm Double Panel Radiator Double Convector White - 80702204

Stelrad Compact P+ Type 21 450 x 1000mm Double Panel Radiator Single Convector - 143704

Stelrad Compact K2 Type 22 450 x 900mm Double Panel Radiator Double Convector - 143721

Stelrad Compact K2 Type 22 450 x 1600mm Double Panel Radiator Double Convector - 143726

Stelrad Compact P+ Type 21 450 x 1400mm Double Panel Radiator Single Convector - 143707

Stelrad Compact P+ Type 21 300 x 2000mm Double Panel Radiator Single Convector - 143659

Stelrad Compact K2 Type 22 700 x 1400mm Double Panel Radiator Double Convector - 143857

Stelrad Compact K2 Type 22 600 x 900mm Double Panel Radiator Double Convector - 143787

Stelrad Compact P+ Type 21 450 x 600mm Double Panel Radiator Single Convector - 143700

Stelrad Compact P+ Type 21 600 x 1400mm Double Panel Radiator Single Convector - 143773

Stelrad Compact P+ Type 21 450 x 1100mm Double Panel Radiator Single Convector - 143705

Stelrad Compact K1 Type 11 450 x 400mm Single Panel Radiator Single Convector - 143680

Stelrad Compact K1 Type 11 450 x 1000mm Single Panel Radiator Single Convector - 143686

Stelrad Compact K1 Type 11 700 x 1400mm Single Panel Radiator Single Convector - 143821

Stelrad Compact K2 Type 22 450 x 1200mm Double Panel Radiator Double Convector - 143724

Stelrad Compact P+ Type 21 600 x 900mm Double Panel Radiator Single Convector - 143769

Stelrad Compact with Style K1 Type 11 600 x 400mm Single Panel Radiator Single Convector - 7461104

Stelrad Compact K2 Type 22 450 x 1100mm Double Panel Radiator Double Convector - 143723

Stelrad Compact K2 Type 22 300 x 1500mm Double Panel Radiator Double Convector - 143664

Stelrad Compact K1 Type 11 700 x 500mm Single Panel Radiator Single Convector - 143813

Stelrad Compact K1 Type 11 600 x 600mm Single Panel Radiator Single Convector - 143748

Stelrad Compact P+ Type 21 450 x 800mm Double Panel Radiator Single Convector - 143702

Stelrad Compact K2 Type 22 700 x 700mm Double Panel Radiator Double Convector - 143851

Stelrad Compact K2 Type 22 700 x 800mm Double Panel Radiator Double Convector - 143852

Stelrad Softline Compact K1 600 x 600mm Single Panel Radiator Single Convector White - 80601106

Stelrad Compact K1 Type 11 450 x 700mm Single Panel Radiator Single Convector - 143683

Stelrad Compact with Style K1 Type 11 500 x 400mm Single Panel Radiator Single Convector - 7451104

Stelrad Compact K2 Type 22 450 x 600mm Double Panel Radiator Double Convector - 143718

Stelrad Compact K1 Type 11 450 x 1100mm Single Panel Radiator Single Convector - 143687

Stelrad Softline Compact P+ 600 x 400mm Double Panel Radiator Single Convector White - 80602104

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Filter By 284 results

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