How do I work out the right size and heat output for your double designer radiators?

Look at the radiator's height, width and BTU (Delta 50) output that's shown for each model — this range here covers roughly 1,000 to 7,999 BTUs. Double panel radiators give extra heat compared with single panels, so a 600 x 605mm double flat panel will typically give much more warmth than a single of the same footprint. If you have a medium room, models in the 2,000–4,000 BTU range are common; larger rooms often need items in the 4,000–7,000+ range. Match the listed BTU to the heat loss of your room, and pick a taller or wider size from the many widths (240–1,560mm) and heights (300, 600, 1,200, 1,600, 1,800mm) available.

Should I choose a vertical or a horizontal double designer radiator?

Choose vertical when floor-to-ceiling wall space is available but horizontal wall space is limited — the range includes many vertical options such as the DuraTherm 1600 x 240mm. Horizontal radiators work well under windows or on long walls; you'll find dozens of horizontal widths like 600 x 455mm and 600 x 605mm. Vertical gives a striking, space-saving look; horizontal can deliver the same heat but sit lower and span more wall. Think about where furniture sits and whether you need heat higher on the wall or lower by a window.

What's the difference between aluminium and mild steel radiators here, and which is better for you?

Mild steel models are the most numerous in the range and are robust with a classic feel, while aluminium versions heat up and cool down faster and are lighter to handle. You'll see both materials across styles and finishes — for example many DuraTherm and Park Lane designs come in mild steel, and several aluminium flat and oval profiles are listed too. If you want quick, responsive heat and easier manoeuvring, aluminium can suit you; if you prefer durability and a traditional build, mild steel is a reliable choice.

How do I pick a style and finish that suits my room?

Decide on the visual profile first — flat panels give a clean contemporary look, column profiles offer a traditional feel (see the Park Lane Colosseum column range), and oval or tube profiles deliver a softer, designer appearance. For finishes, you can choose from white, black, anthracite, chrome, bronze and bare metal among others, so match the radiator to your trim or appliance tones; for example an anthracite vertical oval can add a bold modern accent in a grey-themed living room. Think about whether the radiator should blend in or act as a feature, then pick the profile and colour that supports that choice.

If my room struggles to heat, will a double designer radiator solve the problem?

Often yes — double panel radiators are specifically built for extra heat output, making them ideal for rooms that are harder to heat than smaller spaces. For instance, upgrading to a double flat panel 600 x 605mm or a taller 1,600mm vertical double unit will raise the available output significantly compared with a single panel of similar size. Check the BTU figure for the model you like and aim for a higher-band unit (3,000–6,000+ BTU) for larger rooms. If you need guidance matching that BTU to your exact room, choose a model with the size and finish you want and compare its listed output to your room's heat requirement.

Page 5 of 8 Double Designer Radiators

DuraTherm Horizontal Oval Tube Double Panel Designer Radiator - 600 x 1560mm Anthracite

5.0

32 ratings

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£294.95 inc
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duratherm-vertical-double-flat-panel-designer-radiator-1600-x-610mm-white

DuraTherm Vertical Double Flat Panel Designer Radiator - 1600 x 605mm White

5.0

860 ratings

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£299.00 inc
VAT

DuraTherm Horizontal Oval Tube Double Panel Designer Radiator - 600 x 1560mm White

5.0

32 ratings

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£299.00 inc
VAT

DuraTherm Vertical Oval Tube Double Panel Designer Radiator - 1600 x 600mm White

5.0

839 ratings

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£304.95 inc
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DuraTherm Horizontal Double Flat Panel Designer Radiator - 600 x 1440mm White

5.0

708 ratings

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£309.95 inc
VAT

Solaro Double Panel 600 x 366mm Vertical Designer Aluminium Radiator Gloss White

More Options Available

£310.00 inc
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Park Lane Traditional Colosseum Double Bar Column Radiator Black - 600 x 1460mm

4.9

126 ratings

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£314.95 inc
VAT

Page 5 of 8 Double Designer Radiators

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DuraTherm Horizontal Oval Tube Double Panel Designer Radiator - 600 x 1560mm Anthracite

DuraTherm Vertical Double Flat Panel Designer Radiator - 1600 x 605mm White

DuraTherm Horizontal Oval Tube Double Panel Designer Radiator - 600 x 1560mm White

DuraTherm Vertical Oval Tube Double Panel Designer Radiator - 1600 x 600mm White

DuraTherm Horizontal Double Flat Panel Designer Radiator - 600 x 1440mm White

Solaro Double Panel 600 x 366mm Vertical Designer Aluminium Radiator Gloss White

Park Lane Traditional Colosseum Double Bar Column Radiator Black - 600 x 1460mm

Eastlake Rivassa 600 x 608mm Traditional 2 Column Radiator - Bronze Effect

Solaro Guardia 600 x 470mm Vertical Designer Aluminium Radiator Matt White

Eastlake Rivassa 600 x 608mm Traditional 2 Column Radiator - Chrome

Solaro Murano 600 x 800mm Designer Radiator - Matt Grey

Solaro Murano 600 x 800mm Designer Radiator - Matt Anthracite

Solaro Murano 600 x 800mm Designer Radiator - Matt Black

Eastlake Imperia 600 x 605mm Traditional 2 Column Radiator - Bare Metal

Solaro Guardia 600 x 470mm Vertical Designer Aluminium Radiator Matt Anthracite

Solaro Guardia 600 x 470mm Vertical Designer Aluminium Radiator Matt Grey

Solaro Double Panel 600 x 514mm Vertical Designer Aluminium Radiator Gloss White

Solaro Double Panel 600 x 514mm Vertical Designer Aluminium Radiator Matt Anthracite

Solaro Guardia 1200 x 280mm Vertical Designer Aluminium Radiator Matt Anthracite

Solaro Guardia 1200 x 280mm Vertical Designer Aluminium Radiator Matt Black

Solaro Guardia 1200 x 280mm Vertical Designer Aluminium Radiator Matt Grey

Eastlake Rivassa 1800 x 383mm Traditional 2 Column Vertical Radiator - Chrome

Solaro Guardia 1200 x 280mm Vertical Designer Aluminium Radiator Matt White

Solaro Double Panel 600 x 588mm Vertical Designer Aluminium Radiator Gloss White

Solaro Double Panel 600 x 588mm Vertical Designer Aluminium Radiator Matt Anthracite

Solaro Murano 600 x 1000mm Designer Radiator - Gloss White

Solaro Murano 600 x 1000mm Designer Radiator - Matt Grey

Solaro Murano 600 x 1000mm Designer Radiator - Matt Anthracite

Solaro Murano 600 x 1000mm Designer Radiator - Matt Black

Solaro Guardia 600 x 660mm Horizontal Designer Aluminium Radiator Matt Anthracite

Solaro Guardia 600 x 660mm Horizontal Designer Aluminium Radiator Matt Black

Solaro Guardia 600 x 660mm Horizontal Designer Aluminium Radiator Matt Grey

Eastlake Imperia 600 x 830mm Traditional 2 Column Radiator - Bare Metal

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