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Plan your space

Quick BTU calculator

Enter your room measurements for an estimated heating requirement. Compare radiators without leaving this page.

Starting assumptions: two adjacent outside walls, 1.5m² low-E glazing, insulated cavity walls, ground floor and insulated loft. Check these against your room.

Check or change room assumptions

U-values describe heat passing through a surface; use known building values where available. −3°C outdoors, 10°C below and the default U-values are preliminary assumptions, not a location survey. Unheated lofts use the outdoor temperature; heated floors/ceilings use U 1.36/1.62 and the adjacent-room temperature.

Preliminary rectangular-room estimate, not an installer’s heat-loss survey. It excludes detailed thermal bridging, ground/loft modelling and ventilation-system design. Confirm the room heat loss and radiator output at your heating-system temperatures before ordering.

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Blog - Buying guides

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04 Nov Small and Narrow Towel Radiators: Choosing Chrome or Black

Small and Narrow Towel Radiators: Choosing Chrome or Black

Choose small and narrow towel radiators in chrome or black for cloakrooms and tight spaces. Compare widths, height, pipe centres and heat output.
04 Nov 200mm or 250mm Towel Radiator: Which Fits Your Space?

200mm or 250mm Towel Radiator: Which Fits Your Space?

Compare 200mm and 250mm chrome and black towel radiators: body width, pipe centres, fitting space and the checks needed before ordering.
04 Nov 300mm or 350mm Towel Radiator: Comparing the Fit

300mm or 350mm Towel Radiator: Comparing the Fit

Choosing between 300mm and 350mm towel radiators? Compare chrome and black ranges, connection centres, wall space, heights and heat output.
04 Nov Tall, Narrow Towel Radiators: Choosing Height and Reach

Tall, Narrow Towel Radiators: Choosing Height and Reach

Choose a tall, narrow towel radiator in chrome or black. Check hanging height, comfortable reach, wall support, valve access and listed output.
04 Nov Replacing a Narrow Towel Radiator in a Tight Space

Replacing a Narrow Towel Radiator in a Tight Space

Replacing a narrow towel radiator? Check pipe centres, valve clearance, brackets and projection, with chrome and black range comparisons.
04 Nov Can a Narrow Towel Radiator Heat Your Bathroom?

Can a Narrow Towel Radiator Heat Your Bathroom?

Can a narrow chrome or black towel radiator heat your bathroom? Check room heat loss, exact model output, height and heating temperatures.
04 Nov Choosing a Wide Towel Radiator: A Practical Buying Guide

Choosing a Wide Towel Radiator: A Practical Buying Guide

Choose a wide towel radiator with confidence. Compare widths, pipe centres, heat output, finishes and valves, with practical checks before ordering.
04 Nov 550mm to 800mm Towel Radiators: Which Width Fits?

550mm to 800mm Towel Radiators: Which Width Fits?

Compare 550mm, 600mm, 650mm, 700mm, 750mm and 800mm towel radiator widths, pipe centres and fitting checks before choosing your size.
04 Nov Replacing a Wide Towel Radiator: Pipe Centres and Fit

Replacing a Wide Towel Radiator: Pipe Centres and Fit

Replacing a wide towel radiator? Check pipe centres, valve dimensions, wall projection and brackets before assuming a like-for-like fit.
04 Nov Will a Wide Towel Radiator Heat the Room? Output and Low Temperatures

Will a Wide Towel Radiator Heat the Room? Output and Low Temperatures

Check whether a wide towel radiator can heat your bathroom. Understand watts, BTU/h, ΔT ratings and the checks needed for heat pumps.
04 Nov Black or Chrome for a Wide Towel Radiator?

Black or Chrome for a Wide Towel Radiator?

Compare black and chrome wide towel radiators by fit, listed output, visual impact, accessory finish and everyday cleaning needs.
04 Nov Valves for Wide Towel Radiators: Connections and Clearances

Valves for Wide Towel Radiators: Connections and Clearances

Choose valves for a wide towel radiator. Understand straight and angled connections, manual controls, pipe routes and installation clearances.
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