How do I choose the right size and heat output for my room?

Match the radiator's BTU output band to your room's heat loss and the physical space you have. Our range shows outputs from under 1,000 BTU right up to 10,000-25,000 BTU and sizes from compact widths (400-600mm) to large panels (over 2,000mm wide and up to 2,200mm high). a small bathroom will often be met by radiators in the 1,000-2,000 BTU band and a compact 300-600mm height, while a large living room might need something in the 4,000-8,000 BTU band with a wider or taller double-panel model. If you're unsure, look for the BTU band that most closely matches your room calculation and then pick a width/height that fits the wall space.

What's the difference between Compact, Planar, Elite and LST ranges, and which is best for my room?

Compact radiators are efficient, practical panels that suit most rooms; Planar is a sleeker, contemporary range for a modern look; Elite gives a simple, budget-friendly option; and LST (low surface temperature) is designed for safety in healthcare, schools or where you need a cool-to-touch surface. If you want a slim, modern focal point choose Planar (also available in vertical styles), while for a family bathroom or a care setting LST gives peace of mind thanks to its safety focus. Compact or Elite are sensible choices if you want high heat output at a lower cost.

What do Type 11, Type 21 and Type 22 mean, and how do they affect performance?

Those Type numbers describe panel and convector layers: Type 11 is one panel, one convector (slimmer and lower output), Type 21 is two panels, one convector (more heat with modest depth), and Type 22 is two panels, two convectors (higher output and greater depth). So for a tight alcove under a window you might pick a Type 11 to save space, whereas a living room or open plan area often benefits from a Type 22 to deliver more heat without needing excessive width. Triple-panel types are also available when you need very high output from a compact footprint.

Will Stelrad radiators work with my heat pump or other low-temperature systems?

Yes, many Stelrad models are designed to work seamlessly with traditional boilers and modern low-temperature systems such as heat pumps. To compensate for the lower water temperature you'll usually select a larger surface area or a higher output model (a double panel double convector or a taller vertical unit) to achieve the same room temperature. A vertical Planar or a taller Compact K2 is a practical choice if you're switching to a heat pump and want both style and higher output.

Can I get vertical radiators or different finishes to suit my decor?

You can, the range includes both horizontal and vertical orientations, with vertical options available in taller sizes (1,600-2,200mm heights and slim widths such as 400mm), making them ideal for narrow wall spaces or as a design statement. Finishes range from clean, contemporary panels to more traditional profiles like the Deco and Elite styles, so you can pick a minimalist Planar for a modern kitchen or a Compact/Deco unit to match a classic bathroom. a 1,800 x 400mm Planar vertical gives a dramatic, space-saving focal point in a hallway.

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Stelrad Compact with Style K2 Type 22 500 x 1400mm Double Panel Radiator Double Convector - 7452214

Stelrad Compact with Style K2 Type 22 500 x 1600mm Double Panel Radiator Double Convector - 7452216

Stelrad Compact with Style K2 Type 22 500 x 1800mm Double Panel Radiator Double Convector - 7452218

Stelrad Compact with Style K2 Type 22 600 x 800mm Double Panel Radiator Double Convector - 7462208

Stelrad Compact with Style K2 Type 22 600 x 1000mm Double Panel Radiator Double Convector - 7462210

Stelrad Compact with Style K2 Type 22 600 x 1200mm Double Panel Radiator Double Convector - 7462212

Stelrad Compact with Style K2 Type 22 600 x 1600mm Double Panel Radiator Double Convector - 7462216

Stelrad Compact with Style K2 Type 22 600 x 1800mm Double Panel Radiator Double Convector - 7462218

Stelrad Compact with Style K2 Type 22 600 x 2000mm Double Panel Radiator Double Convector - 7462220

Stelrad Elite K1 Type 11 300 x 1000mm Single Panel Radiator Single Convector - 8431

Stelrad Elite K1 Type 11 450 x 900mm Single Panel Radiator Single Convector - 8466

Stelrad Elite K1 Type 11 600 x 400mm Single Panel Radiator Single Convector - 8528

Stelrad Elite K1 Type 11 600 x 500mm Single Panel Radiator Single Convector - 8529

Stelrad Elite K1 Type 11 600 x 1000mm Single Panel Radiator Single Convector - 8534

Stelrad Elite K1 Type 11 700 x 400mm Single Panel Radiator Single Convector - 8595

Stelrad Elite K1 Type 11 700 x 500mm Single Panel Radiator Single Convector - 8596

Stelrad Elite K1 Type 11 700 x 600mm Single Panel Radiator Single Convector - 8597

Stelrad Elite K1 Type 11 700 x 700mm Single Panel Radiator Single Convector - 8598

Stelrad Elite K1 Type 11 700 x 800mm Single Panel Radiator Single Convector - 8599

Stelrad Elite K1 Type 11 700 x 900mm Single Panel Radiator Single Convector - 8600

Stelrad Elite K1 Type 11 700 x 1200mm Single Panel Radiator Single Convector - 8603

Stelrad Elite P+ Type 21 450 x 500mm Double Panel Radiator Single Convector - 8480

Stelrad Elite P+ Type 21 450 x 1000mm Double Panel Radiator Single Convector - 8485

Stelrad Elite P+ Type 21 450 x 1600mm Double Panel Radiator Single Convector - 8489

Stelrad Elite K2 Type 22 300 x 1000mm Double Panel Radiator Double Convector - 8443

Stelrad Elite K2 Type 22 600 x 400mm Double Panel Radiator Double Convector - 8564

Stelrad Elite K2 Type 22 600 x 600mm Double Panel Radiator Double Convector - 8566

Stelrad Elite K2 Type 22 600 x 700mm Double Panel Radiator Double Convector - 8567

Stelrad Elite K2 Type 22 600 x 1400mm Double Panel Radiator Double Convector - 8573

Stelrad Elite P+ Type 21 600 x 500mm Double Panel Radiator Single Convector - 8547

Stelrad Elite P+ Type 21 600 x 700mm Double Panel Radiator Single Convector - 8549

Stelrad Elite P+ Type 21 600 x 1400mm Double Panel Radiator Single Convector - 8555

Stelrad Elite P+ Type 21 700 x 500mm Double Panel Radiator Single Convector - 8614

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