What is the difference between Type 11, Type 21 and Type 22 radiators, and which should you choose for your room?

Type 11 is a single panel radiator and suits smaller rooms or where you want a low-profile look, such as a cloakroom or small bedroom. Type 21 has two panels with a single convector, so it gives noticeably more heat without being too deep, ideal for standard-sized bedrooms or bathrooms. Type 22 has two panels and two convectors, giving the highest output and working well in larger living rooms or cold exterior walls. If you have limited depth to spare, Type 11 is slim; if you need maximum heat from a compact width, a Type 22 in a taller height like 1600 mm is a good match.

How do I decide the right radiator size and BTU output for my room?

Look at the radiator's physical size and its BTU rating together, because height, width and panel type all affect output; sizes here range from compact widths like 280 mm up to 1600 mm, and heights from 300 mm to 2000 mm, while BTU outputs span roughly 700 to over 11,000. A taller, deeper model such as a 600 x 1600 mm Type 22 will produce much more heat than a 500 x 1300 mm Type 11, so match larger rooms with larger dimensions and higher BTU figures. If you're unsure, pick a radiator with a higher BTU within the available sizes so it can cope with colder days without looking too bulky in the space.

I have a narrow hallway and a bay-window living room. Are there slim tall and wide low radiators available?

Yes, the range includes tall slim heights up to 2000 mm and narrow widths from around 280 mm, which suit hallways and stairwells, and wider, lower options such as 900 or 1000 mm widths at 400–600 mm heights that work well under bay windows. For a hallway you might choose a 300–600 mm wide by 1600–2000 mm high radiator to save floor space while keeping warmth. For a bay window position, a low wide radiator in a 900–1200 mm width and 400–600 mm height will sit neatly beneath the sill and spread heat across the room.

Should you buy a heated towel radiator or a panel radiator for your bathroom?

If you want warm, dry towels and some heat, a heated towel rail is ideal and adds a bathroom feature. For primary heating in a cold bathroom you'll get more output from a compact panel radiator, especially the Type 21 or 22 options. A practical approach is to fit a heated towel rail for towel warming and a small panel radiator if the bathroom needs stronger heating on colder days.

Do K-Rad radiators come ready with fittings and is there a guarantee on quality?

Yes, K-Rad panel radiators include standard UK plumbing connections and fittings, so they match common central heating pipework. They also come with a 10 year guarantee, which gives you long-term reassurance about paint finish and build quality. Prices vary from at a lower price point up to over the current product price depending on size and type, so you can balance budget with the exact dimensions and output you need.

K-Rad

Heating your home doesn’t have to be bland! With our range of K-Rad Radiators, you can choose from a variety of sleek panel radiators, perfect for any room in your home! Enjoy a choice of type 11 (single panel), type 21 (double panel, single convector) or type 22 (double panel, double convector) in almost any size you could wish for. All K-Rad panel radiators come with standard UK plumbing connections and fittings, plus you’ll be covered by a long-lasting 10 year guarantee.

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k-rad-kompact-type-22-double-panel-plus-radiator-600-x-1400mm

K Rad Kompact Type 22 600 x 1400mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£151.98 inc
VAT

Save £12.60 | Was £164.58

k-rad-kompact-type-22-double-panel-plus-radiator-600-x-1600mm

K Rad Kompact Type 22 600 x 1600mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£172.56 inc
VAT

Save £79.39 | Was £251.95

k-rad-kompact-type-22-double-panel-plus-radiator-600-x-1500mm

K Rad Kompact Type 22 600 x 1500mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£165.05 inc
VAT

Save £26.37 | Was £191.42

k-rad-kompact-type-22-double-panel-plus-radiator-600-x-1300mm

K Rad Kompact Type 22 600 x 1300mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£138.12 inc
VAT

Save £21.61 | Was £159.73

k-rad-kompact-type-21-double-panel-radiator-600-x-1300mm

K Rad Kompact Type 21 600 x 1300mm Radiator - Double Panel Single Convector

5.0

13 ratings

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£125.11 inc
VAT

Save £10.41 | Was £135.52

k-rad-kompact-type-22-double-panel-plus-radiator-500-x-1600mm

K Rad Kompact Type 22 500 x 1600mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£166.56 inc
VAT

Save £5.81 | Was £172.37

k-rad-kompact-type-22-double-panel-plus-radiator-600-x-1200mm

K Rad Kompact Type 22 600 x 1200mm Radiator - Double Panel Double Convector

4.9

33 ratings

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£131.68 inc
VAT

Save £38.30 | Was £169.98

k-rad-kompact-type-11-single-panel-radiator-600-x-1500mm

K Rad Kompact Type 11 600 x 1500mm Radiator - Single Panel Single Convector

4.9

12 ratings

More Options Available

£102.27 inc
VAT

Save £22.87 | Was £125.14

k-rad-kompact-type-11-single-panel-radiator-600-x-1300mm

K Rad Kompact Type 11 600 x 1300mm Radiator - Single Panel Single Convector

4.9

12 ratings

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£93.47 inc
VAT

Save £14.49 | Was £107.96

k-rad-kompact-type-22-double-panel-plus-radiator-900-x-500mm

K Rad Kompact Type 22 900 x 500mm Radiator - Double Panel Double Convector

4.9

33 ratings

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£128.78 inc
VAT

Save £21.89 | Was £150.67

k-rad-kompact-type-21-double-panel-radiator-600-x-1600mm

K Rad Kompact Type 21 600 x 1600mm Radiator - Double Panel Single Convector

5.0

13 ratings

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£141.70 inc
VAT

Save £6.29 | Was £147.99

k-rad-kompact-double-panel-twin-convector-radiator-400-x-1600mm-type-22

K Rad Kompact Type 22 400 x 1600mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£145.64 inc
VAT

Save £18.35 | Was £163.99

k-rad-kompact-type-21-double-panel-radiator-600-x-1000mm

K Rad Kompact Type 21 600 x 1000mm Radiator - Double Panel Single Convector

5.0

13 ratings

More Options Available

£105.23 inc
VAT

Save £11.75 | Was £116.98

k-rad-kompact-type-21-double-panel-radiator-600-x-1200mm

K Rad Kompact Type 21 600 x 1200mm Radiator - Double Panel Single Convector

5.0

13 ratings

More Options Available

£118.48 inc
VAT

Save £45.24 | Was £163.72

k-rad-kompact-type-22-double-panel-plus-radiator-500-x-1500mm

K Rad Kompact Type 22 500 x 1500mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£149.62 inc
VAT

Save £63.61 | Was £213.23

k-rad-kompact-type-22-double-panel-plus-radiator-600-x-800mm

K Rad Kompact Type 22 600 x 800mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£101.88 inc
VAT

Save £12.79 | Was £114.67

k-rad-kompact-type-22-double-panel-plus-radiator-750-x-1600mm

K Rad Kompact Type 22 750 x 1600mm Radiator - Double Panel Double Convector

4.9

33 ratings

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£218.48 inc
VAT

Save £5.94 | Was £224.42

k-rad-kompact-type-22-double-panel-plus-radiator-500-x-1400mm

K Rad Kompact Type 22 500 x 1400mm Radiator - Double Panel Double Convector

4.9

33 ratings

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£152.46 inc
VAT

Save £49.63 | Was £202.09

k-rad-kompact-type-22-double-panel-plus-radiator-500-x-1300mm

K Rad Kompact Type 22 500 x 1300mm Radiator - Double Panel Double Convector

4.9

33 ratings

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£141.18 inc
VAT

Save £24.00 | Was £165.18

k-rad-kompact-double-panel-twin-convector-radiator-300-x-1600mm-type-22

K Rad Kompact Type 22 300 x 1600mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£129.04 inc
VAT

Save £8.23 | Was £137.27

k-rad-kompact-type-22-double-panel-plus-radiator-750-x-1400mm

K Rad Kompact Type 22 750 x 1400mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£196.04 inc
VAT

Save £31.94 | Was £227.98

k-rad-kompact-type-22-double-panel-plus-radiator-600-x-1000mm

K Rad Kompact Type 22 600 x 1000mm Radiator - Double Panel Double Convector

4.9

33 ratings

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£112.73 inc
VAT

Save £21.17 | Was £133.90

k-rad-kompact-type-21-double-panel-radiator-600-x-1500mm

K Rad Kompact Type 21 600 x 1500mm Radiator - Double Panel Single Convector

5.0

13 ratings

More Options Available

£132.82 inc
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k-rad-kompact-type-22-double-panel-plus-radiator-750-x-800mm

K Rad Kompact Type 22 750 x 800mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£119.74 inc
VAT

Save £25.16 | Was £144.90

k-rad-kompact-type-22-double-panel-plus-radiator-900-x-600mm

K Rad Kompact Type 22 900 x 600mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£148.80 inc
VAT

Save £25.00 | Was £173.80

k-rad-kompact-type-21-double-panel-radiator-600-x-1400mm

K Rad Kompact Type 21 600 x 1400mm Radiator - Double Panel Single Convector

5.0

13 ratings

More Options Available

£126.11 inc
VAT

Save £23.63 | Was £149.74

k-rad-kompact-double-panel-twin-convector-radiator-400-x-1400mm-type-22

K Rad Kompact Type 22 400 x 1400mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£127.44 inc
VAT

Save £15.55 | Was £142.99

k-rad-kompact-type-22-double-panel-plus-radiator-750-x-1100mm

K Rad Kompact Type 22 750 x 1100mm Radiator - Double Panel Double Convector

4.9

33 ratings

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£155.94 inc
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Save £26.05 | Was £181.99

k-rad-kompact-type-11-single-panel-radiator-500-x-1500mm

K Rad Kompact Type 11 500 x 1500mm Radiator - Single Panel Single Convector

4.9

12 ratings

More Options Available

£100.83 inc
VAT

Save £13.07 | Was £113.90

k-rad-kompact-type-11-single-panel-radiator-500-x-1300mm

K Rad Kompact Type 11 500 x 1300mm Radiator - Single Panel Single Convector

4.9

12 ratings

More Options Available

£89.68 inc
VAT

Save £10.31 | Was £99.99

k-rad-kompact-type-21-double-panel-radiator-400-x-1600mm

K Rad Kompact Type 21 400 x 1600mm Radiator - Double Panel Single Convector

5.0

13 ratings

More Options Available

£129.60 inc
VAT

Save £30.39 | Was £159.99

k-rad-kompact-type-22-double-panel-plus-radiator-750-x-1200mm

K Rad Kompact Type 22 750 x 1200mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£170.12 inc
VAT

Save £22.83 | Was £192.95

k-rad-kompact-type-22-double-panel-plus-radiator-750-x-400mm

K Rad Kompact Type 22 750 x 400mm Radiator - Double Panel Double Convector

4.9

33 ratings

More Options Available

£81.51 inc
VAT

Save £18.14 | Was £99.65

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