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.

Stelrad Compact Radiators

Stelrad Compact Radiators offer the perfect blend of efficiency, durability, and stylish design, making them an ideal choice for any space. Engineered for optimal heat output, these panel radiators ensure your room stays warm and comfortable while maintaining energy efficiency. Their slim, compact design allows for seamless integration into any interior, whether modern or traditional, without compromising performance. Built with high-quality steel and a robust powder-coated finish, Stelrad Compact Radiators are designed for longevity, resisting wear and corrosion over time. With a variety of sizes and outputs available, they provide a flexible heating solution to fit any space. Plus, their easy installation and low-maintenance design make them a hassle-free upgrade to your heating system. When you choose Stelrad Radiators, you’re investing in reliable warmth, energy efficiency, and a sleek aesthetic that enhances any environment.

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Stelrad Softline Compact K2 600 x 1800mm Double Panel Radiator Double Convector White - 80602218

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£333.97 inc
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Save £49.41 | Was £383.38

Stelrad Softline Compact K2 450 x 1600mm Double Panel Radiator Double Convector White - 80452216

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£276.38 inc
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Stelrad Softline Compact K2 600 x 900mm Double Panel Radiator Double Convector White - 80602209

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£110.69 inc
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Save £45.02 | Was £155.71

Stelrad Softline Compact K2 600 x 1200mm Double Panel Radiator Double Convector White - 80602212

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£156.59 inc
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Save £17.40 | Was £173.99

Stelrad Softline Compact P+ 600 x 1400mm Double Panel Radiator Single Convector White - 80602114

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£288.95 inc
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Stelrad Softline Compact K1 600 x 2000mm Single Panel Radiator Single Convector White - 80601120

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£218.98 inc
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Save £23.97 | Was £242.95

Stelrad Softline Compact P+ 600 x 1200mm Double Panel Radiator Single Convector White - 80602112

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£147.14 inc
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Save £16.35 | Was £163.49

stelrad-compact-with-style-k2-radiator-600mm-x-1400mm-double-panel-double-convector-7462214

Stelrad Compact with Style K2 Type 22 600 x 1400mm Double Panel Radiator Double Convector - 7462214

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£604.81 inc
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Stelrad Compact K2 Type 22 600 x 1200mm Double Panel Radiator Double Convector - 143790

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£206.48 inc
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Save £25.52 | Was £232.00

stelrad-softline-compact-k2-700-x-500mm-double-panel-radiator-double-convector-white-80702205

Save £42.47 | Was £150.00

stelrad-compact-k2-radiator-300mm-x-2500mm-double-panel-double-convector-143666

Stelrad Compact K2 Type 22 300 x 2500mm Double Panel Radiator Double Convector - 143666

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£504.96 inc
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Stelrad Softline Compact K1 600 x 1200mm Single Panel Radiator Single Convector White - 80601112

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£111.59 inc
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Save £33.63 | Was £145.22

stelrad-compact-p-radiator-450mm-x-2000mm-double-panel-single-convector-143710

Stelrad Compact P+ Type 21 450 x 2000mm Double Panel Radiator Single Convector - 143710

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£263.41 inc
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Save £54.46 | Was £317.87

stelrad-softline-compact-k1-600-x-1400mm-single-panel-radiator-single-convector-white-80601114

Save £18.06 | Was £142.25

stelrad-compact-k2-radiator-600mm-x-1600mm-double-panel-double-convector-143792

Stelrad Compact K2 Type 22 600 x 1600mm Double Panel Radiator Double Convector - 143792

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£272.52 inc
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Save £33.68 | Was £306.20

stelrad-softline-comfort-k1-700-x-900mm-single-panel-radiator-single-convector-white-80701109

Stelrad Softline Compact K1 700 x 900mm Single Panel Radiator Single Convector White - 80701109

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£135.05 inc
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stelrad-compact-k2-radiator-600mm-x-1800mm-double-panel-double-convector-143793

Stelrad Compact K2 Type 22 600 x 1800mm Double Panel Radiator Double Convector - 143793

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£305.83 inc
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Save £37.81 | Was £343.64

stelrad-softline-compact-k1-450-x-700mm-single-panel-radiator-single-convector-white-80451107

Save £42.97 | Was £218.95

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Stelrad Compact Radiators

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284 results

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284 results

Stelrad Softline Compact K2 600 x 1800mm Double Panel Radiator Double Convector White - 80602218

Stelrad Softline Compact K2 450 x 1600mm Double Panel Radiator Double Convector White - 80452216

Stelrad Softline Compact K2 600 x 900mm Double Panel Radiator Double Convector White - 80602209

Stelrad Softline Compact K2 600 x 1200mm Double Panel Radiator Double Convector White - 80602212

Stelrad Softline Compact P+ 600 x 1400mm Double Panel Radiator Single Convector White - 80602114

Stelrad Softline Compact K1 600 x 2000mm Single Panel Radiator Single Convector White - 80601120

Stelrad Softline Compact P+ 600 x 1200mm Double Panel Radiator Single Convector White - 80602112

Stelrad Compact with Style K2 Type 22 600 x 1400mm Double Panel Radiator Double Convector - 7462214

Stelrad Compact K2 Type 22 600 x 1200mm Double Panel Radiator Double Convector - 143790

Stelrad Softline Compact K2 700 x 500mm Double Panel Radiator Double Convector White - 80702205

Stelrad Softline Compact K2 450 x 1100mm Double Panel Radiator Double Convector White - 80452211

Stelrad Compact K2 Type 22 with Style 1600 x 600mm Double Panel Radiator Double Convector 32162206

Stelrad Softline Compact K1 450 x 1100mm Single Panel Radiator Single Convector White - 80451111

Stelrad Softline Compact K1 700 x 2000mm Single Panel Radiator Single Convector White - 80701120

Stelrad Softline Compact K1 450 x 1000mm Single Panel Radiator Single Convector White - 80451110

Stelrad Softline Compact K2 600 x 800mm Double Panel Radiator Double Convector White - 80602208

Stelrad Compact K2 Type 22 300 x 2500mm Double Panel Radiator Double Convector - 143666

Stelrad Softline Compact K1 600 x 1200mm Single Panel Radiator Single Convector White - 80601112

Stelrad Compact P+ Type 21 450 x 2000mm Double Panel Radiator Single Convector - 143710

Stelrad Softline Compact K1 600 x 1400mm Single Panel Radiator Single Convector White - 80601114

Stelrad Compact with Style K1 Type 11 600 x 1200mm Single Panel Radiator Single Convector - 7461112

Stelrad Softline Compact K2 700 x 700mm Double Panel Radiator Double Convector White - 80702207

Stelrad Softline Compact K1 600 x 800mm Single Panel Radiator Single Convector White - 80601108

Stelrad Softline Compact K2 600 x 400mm Double Panel Radiator Double Convector White - 80602204

Stelrad Softline Compact K2 600 x 1000mm Double Panel Radiator Double Convector White - 80602210

Stelrad Compact K2 Type 22 600 x 1600mm Double Panel Radiator Double Convector - 143792

Stelrad Softline Compact K1 700 x 900mm Single Panel Radiator Single Convector White - 80701109

Stelrad Compact K2 Type 22 600 x 1800mm Double Panel Radiator Double Convector - 143793

Stelrad Softline Compact K1 450 x 700mm Single Panel Radiator Single Convector White - 80451107

Stelrad Softline Compact K1 450 x 1200mm Single Panel Radiator Single Convector White - 80451112

Stelrad Softline Compact P+ 450 x 1600mm Double Panel Radiator Single Convector White - 80452116

Stelrad Softline Compact K1 700 x 800mm Single Panel Radiator Single Convector White - 80701108

Stelrad Softline Compact K1 600 x 1800mm Single Panel Radiator Single Convector White - 80601118

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