You can use the BestHeating BTU Calculator to work out which size bedroom radiator will be appropriate to adequately heat up the space.
You can choose to opt for a larger radiator to dominate wall space, especially in a smaller bedroom area, or decide to install multiple bedroom radiators or heated towel rails for added warmth in bigger bedroom spaces.
For a deeper insight into bedroom radiators and the most inspirational styles to consider, explore our bedroom radiator buying guide.