Key Features

  • Modern Gloss Finish

    A clean white gloss surface gives this radiator a fresh, contemporary look that suits a wide range of interiors

  • Durable Mild Steel

    Built from robust mild steel for reliable everyday performance and long-lasting quality

  • Powerful Heat Output

    Delivers 3701 BTU to help warm your room quickly and effectively

  • Compact Size

    Measuring 400mm high and 1400mm wide, it offers strong heating in a slim, space-saving format

  • Horizontal Design

    The horizontal layout makes it a versatile choice for fitting neatly beneath windows or along longer walls

  • 10-Year Guarantee

    Backed by a 10-year guarantee for added peace of mind

Description

The Kartell K-Flat Kompact Type 11 radiator brings a smart, modern finish to your space while giving you dependable heating you can count on. With its glossy white surface and slim horizontal profile, it looks clean and understated, making it an easy fit for both fresh renovations and simple upgrades.

Designed to balance style with everyday practicality, this radiator is made from durable mild steel and offers a strong 3701 BTU heat output. That means you get efficient warmth without taking up unnecessary room, making it a great choice where wall space matters. Its compact 400mm height and 1400mm width give it a neat, streamlined presence that works especially well beneath windows or in longer rooms.

The single panel and single convector design is made for central heating systems, helping to deliver reliable performance across your home. At just 56mm deep, it sits close to the wall for a tidy finish, while the wall-mounted horizontal format keeps installation straightforward and flexible.

This radiator also comes with fittings supplied, so you have what you need to get started. With a 10-year guarantee included, you can choose it with confidence knowing it’s built for long-term use and everyday comfort.

Specifications

width 1400mm
height 400mm
depth 56mm
heating item type Radiator
item collection Kompact
heat source Central Heating
fittings supplied Yes
item colour White
item finish Gloss
item guarantee 10 Years
item depth 56mm
item material Mild Steel
item mounting method Brackets and Plumbing
item mounting type Wall Mounted
item orientation Horizontal
item range K-Flat
item shape Square
item style Modern
item weight 16.3kg
number of panels 9
packaged item height 76mm
packaged item weight 17kg
packaged item width 430mm
valves required Yes

Kartell K-Flat Kompact Type 11 White 400mm x 1400mm Single Panel with Single Convector Horizontal Radiator - KS414F

£274.95
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.
3701
Pipe Centres: The approximate distance between the centres of the two pipe connections, to help you check it fits your existing pipework.
345mm (approx)
Adding To Basket… The item has been added

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