Bathroom Radiators UK 400mm Wide – Efficient Heating Solutions

Optimizing warmth and style in small bathrooms starts with the right radiator—enter 400mm wide bathroom radiators, a perfect balance of efficiency and space-saving design in the UK market.

With a width of 400mm, these radiators fit seamlessly into narrow bathrooms without overwhelming limited space. Designed for modern aesthetics and reliable performance, they deliver consistent heat across compact layouts. Available in sleek finishes and materials like stainless steel or painted steel, they complement contemporary bathroom designs while meeting UK energy efficiency standards.

400mm wide radiators maximize heating output without sacrificing floor space—ideal for UK bathrooms where every inch counts. Their slim profile allows installation in tight corners, beside showers, or within constrained layouts, ensuring warmth without clutter. Combined with smart controls, they help homeowners reduce energy use while maintaining comfort.

Crafted for longevity, these radiators feature corrosion-resistant materials and advanced heat distribution technology. Many models meet current UK efficiency regulations, offering lower running costs and reduced environmental impact. Their reliable performance ensures long-term comfort in humid bathroom environments.

Upgrade your UK bathroom with a 400mm wide radiator to blend style, space, and efficiency. For trusted, high-quality options, explore leading UK suppliers today and transform your bathroom’s warmth and design.

Make your bathroom warm & cosy by adding a 400mm (40cm) wide towel radiator or bathroom radiator. Great choice of colours & designs. Buy yours today.

Visit Trade Radiators for massive savings on all 400mm Wide Radiators. Pay in 4 with Klarna. Free UK mainland delivery.

Small in stature but powerful in their performance, our range of 400mm-wide and high radiators are ideal for optimising heating in tight spots like bathrooms, along with office and living spaces. Upgrade your heating with the wide range of 400mm wide radiators at UK Radiators. Buy now and pay later with Klarna! Get FREE delivery on all orders!

Myhomeware 400mm Wide Straight Black Heated Bathroom Towel Rail Radiator With Valves For Central Heating UK (With Black Straight Valves, 400 x 1000mm (h)). Buy 400mm Towel Radiators at Screwfix.com. Perfect for smaller bathrooms.

Stylish and functional. All fixings are included. 60 days free credit available.

Check out our range of 400mm wide towel radiators and designer towel rails. Shop now at UKs #1 towel radiator specialist! ADIGE Towel Radiators since 2004. Visit Trade Radiators for massive savings on all 400mm Wide Towel Radiators & Heated Towel Rails.

Pay in 3 with Klarna. Free UK mainland delivery. 400mm Towel Rails & Radiators The perfect size for keeping your bathroom and towels toasty, our range of 400mm wide vertical towel radiators and rails features everything you need to optimise your heating in your bathroom build.

This striking selection of vertical designs comes in a choice of heights, ranging from 500mm. 400mm wide traditional style radiators that are available with a range of different BTU's. This would be considered a small radiator so would be perfect for a small bathroom or cloakroom.

Mainly used for a hanging, heating or drying towels in a bathroom whilst giving a nostalgic feel.