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We have 15 horizontal radiators 750mm high in stock from Carisa and Ethiant, from 290mm to 1370mm wide, priced from £232.20 to £2,624.83 Heat outputs run from 807 BTU/hr for the slimmest models to 9,766 BTU/hr for the widest doubles, so there is a 750mm radiator here for anything from a cloakroom, en-suite or small box room to a big open-plan space, or one radiator doing the work of two.
Height is the first thing to fix when you choose a horizontal radiator: it decides whether the radiator clears a window sill, a worktop or a dado rail, and it sets the pipe centres if you are replacing an existing radiator. Once the height is right, use the width and the BTU figure to get the output the room needs. Every model is in stock for free delivery to mainland England and Wales, and each product page shows the certified heat output for every size so you can match it to your room with our BTU calculator.















| Model | Finishes | Sizes in this group | Heat output (BTU/hr, ΔT50) | From |
|---|---|---|---|---|
| Traditional 3 Column Horizontal Radiators 750 Height | White | 750 × 1370mm, 750 × 1190mm, 750 × 965mm, 750 × 830mm … | 2,292–7,610 | £232.20 |
| Traditional 4 Column Horizontal Radiators 750 Height | White | 750 × 1370mm, 750 × 1190mm, 750 × 965mm, 750 × 830mm … | 2,930–9,766 | £303.68 |
| Carisa Soleil Horizontal Aluminium Designer Radiator | Textured Anthracite, Textured White | 805 × 480mm | 1,018 | £241.06 |
| Carisa Ligne Horizontal Aluminium Designer Radiator | Textured Anthracite, Textured White | 805 × 480mm | 1,037 | £244.78 |
| Carisa Fame Horizontal Aluminium Designer Radiator | Brushed Brass, Polished Aluminium, Textured Anthracite, Textured White | 700 × 500mm | 1,400 | £262.63 |
| Carisa Soho Horizontal Aluminium Designer Radiator | Textured Anthracite, Textured White | 715 × 500mm | 873 | £269.33 |
| Carisa Frame Horizontal Aluminium Designer Radiator | Brushed Brass, Polished Aluminium, Textured Anthracite, Textured White | 740 × 500mm | 1,120 | £283.46 |
| Carisa Lara L Horizontal Aluminium Designer Radiator | Textured Anthracite, Textured White | 800 × 485mm | 832 | £319.92 |
| Carisa Terra L Horizontal Aluminium Designer Radiator | Textured Navy Blue, Textured Anthracite, Textured White | 800 × 500mm | 968 | £327.36 |
| Carisa Moon Horizontal Aluminium Designer Radiator | Textured Anthracite, Textured White | 800 × 500mm | 835 | £329.59 |
| Carisa Moon L Horizontal Aluminium Designer Radiator | Textured Anthracite, Textured White | 800 × 500mm | 835 | £340.75 |
| Carisa Croydon Horizontal Flat Steel Designer Radiator | Textured Light Grey, Textured Dark Grey, Textured Black | 790 × 290mm | 807 | £416.64 |
| Carisa Vivek Horizontal Aluminium Designer Radiator | Textured Black, Textured White | 720 × 500mm | 1,081 | £432.26 |
| Carisa Mistral F Horizontal Stainless Steel Designer Radiator | Mirror Polished Stainless Steel, Satin Polished Stainless Steel | 760 × 1035mm, 760 × 775mm, 760 × 515mm | 1,409–2,818 | £993.98 |
| Carisa Keops Horizontal Stainless Steel Designer Radiator | Mirror Polished Stainless Steel, Satin Polished Stainless Steel | 800 × 800mm, 700 × 700mm | 1,516–1,732 | £1,216.44 |
Between 807 and 9,766 BTU/hr at ΔT50 across the 15 models on this page. The highest output here is the Traditional 4 Column Horizontal Radiators 750 Height at 9,766 BTU/hr (2,864 W). All figures are the manufacturers’ certified outputs to EN 442, quoted at ΔT50 — the UK standard for sizing central-heating radiators.
On heat per pound it is the Traditional 3 Column Horizontal Radiators 750 Height: 5,328 BTU/hr for £248.40, about 21 BTU for every £1. The cheapest model on the page starts at £232.20.
It depends on the model — the range on this page runs from a cloakroom, en-suite or small box room at 807 BTU/hr up to a big open-plan space, or one radiator doing the work of two at 9,766 BTU/hr. A well-insulated modern room needs far less than an older one with single glazing and an outside wall, so use our BTU calculator with your room’s measurements before you choose.
In this group we have 12 in white, 9 in anthracite, 4 in raw metal & stainless steel, 2 in black, 2 in brass & gold. Colour is chosen as a finish option on the product page.
A pair of radiator valves (a thermostatic set is the usual choice) — see our valves and accessories. Wall brackets are supplied with every radiator, and column radiators in this group can be fitted with feet where the wall will not take the full weight. Delivery to mainland England and Wales is free.
Back to Radiators by size.