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We have 7 horizontal radiators 1100mm wide in stock from Carisa and Ethiant, from 500mm to 600mm high, priced from £225 to £2,228.28 with heat outputs from 1,905 to 4,557 BTU/hr (ΔT50).
Width is what a radiator has to fit; height and panel depth are what give it output. If the wall only allows 1100mm, go taller or choose a double-panel model rather than settling for less heat. 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 |
|---|---|---|---|---|
| Oval Tubed Panel Double Horizontal Radiator 600 Height In White | White | 600 × 1140mm | 4,557 | £225 |
| Oval Tubed Panel Double Horizontal Radiator 600 Height In Anthracite | Anthracite | 600 × 1140mm | 4,557 | £232 |
| Carisa Angers Horizontal Aluminium Designer Radiator | Textured Anthracite, Textured White | 600 × 1095mm | 2,831 | £350.42 |
| Carisa Chambord Horizontal Aluminium Designer Radiator | Textured Anthracite, Textured White | 600 × 1095mm | 2,810 | £350.42 |
| Carisa Angers Double Horizontal Aluminium Designer Radiator | Textured Anthracite, Textured White | 600 × 1095mm | 4,016 | £498.48 |
| Carisa Chambord Double Horizontal Aluminium Designer Radiator | Textured Anthracite, Textured White | 600 × 1095mm | 4,016 | £498.48 |
| Carisa Piano Horizontal Stainless Steel Designer Radiator | Mirror Polished Stainless Steel, Satin Polished Stainless Steel | 600 × 1130mm, 500 × 1130mm | 1,905–2,286 | £1,514.78 |
Between 1,905 and 4,557 BTU/hr at ΔT50 across the 7 models on this page. The highest output here is the Oval Tubed Panel Double Horizontal Radiator 600 Height In Anthracite at 4,557 BTU/hr (1,337 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 Oval Tubed Panel Double Horizontal Radiator 600 Height In White: 4,557 BTU/hr for £225, about 20 BTU for every £1. The cheapest model on the page starts at £225.
It depends on the model — the range on this page runs from a bedroom, home office or small kitchen at 1,905 BTU/hr up to a typical living room or a large bedroom at 4,557 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 5 in anthracite, 5 in white, 1 in raw metal & stainless steel. 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. Delivery to mainland England and Wales is free.
Back to Radiators by size.