Key Features

  • Compact Size

    The 800mm x 500mm footprint is ideal for smaller spaces where efficient heating still matters

  • Gloss White Finish

    A clean white gloss surface gives this radiator a smart, modern look that suits contemporary interiors

  • Strong Heat Output

    Delivering 2558 BTU, it helps warm your room quickly and effectively

  • Durable Build

    Made from mild steel for lasting performance and everyday reliability

  • Modern Square Style

    The crisp square design brings a neat, contemporary finish to your wall

  • 5-Year Guarantee

    Enjoy extra peace of mind with a 5-year manufacturer guarantee

Description

The Kartell K-Flat Premium Kompact Type 11 radiator brings a smart, streamlined look to your space while delivering the warmth you need every day. Its modern square design and gloss white finish give it a clean, contemporary feel that works beautifully in bathrooms, kitchens, hallways, and other compact rooms.

With dimensions of 800mm wide by 500mm high, this radiator is a great choice when wall space is limited but you still want dependable heating. The slim 56mm depth helps it sit neatly against the wall, while the horizontal format keeps the look balanced and practical.

Built from durable mild steel, this radiator is made to handle everyday use while maintaining its polished appearance. The single panel with single convector design helps provide an impressive heat output of 2558 BTU, making it a reliable option for keeping smaller spaces comfortably warm.

This model is designed for central heating systems and comes with fittings supplied for easier installation. It is wall mounted and uses a brackets and plumbing method, with valves required. As part of the K-Flat Premium collection, it combines performance and style in a simple, no-fuss design that feels at home in modern interiors.

For extra reassurance, the radiator includes a 5-year guarantee. If you want a compact radiator that looks the part and works hard behind the scenes, the Kartell K-Flat Premium Kompact is a strong, practical choice.

Specifications

width 800mm
height 500mm
depth 56mm
heat source Central Heating
item colour White
fittings supplied Yes
heating item type Radiator
item collection Premium
item finish Gloss
item guarantee 5 Years
item material Mild Steel
item orientation Horizontal
item depth 56mm
item mounting type Wall Mounted
item mounting method Brackets and Plumbing
item range K-Flat
item style Modern
item shape Square
item weight 11.5kg
number of panels 18
packaged item height 76mm
packaged item weight 12kg
packaged item width 530mm
valves required Yes

Kartell K-Flat Premium Kompact Type 11 White 500mm x 800mm Single Panel with Single Convector Horizontal Radiator - KS508FP

£249.95
Dispatching from 19th Dec 2026
Buy now, pay later
BTU: British Thermal Units - the amount of heat this radiator gives out per hour. The higher the BTU, the larger the room it can heat.
2558
Pipe Centres: The approximate distance between the centres of the two pipe connections, to help you check it fits your existing pipework.
445mm (approx)
Adding To Basket… The item has been added

* Pre-order - this item will ship when in stock