Original Steel Windows & Doors

Hand Crafted | Purpose Designed | Lasting Elegance

Hand crafted and purpose designed. Our steel windows and doors are produced to meet your design and application needs. 


Steel framed windows and doors boast an industrial elegance, that compliments both traditional and modern interiors alike. The traditional material will add a high end and luxurious feeling to any commercial and residential refurbishment whilst giving modern performance values.

Doors can be accompanied with windows and fixed glazed units allowing for large expanses of glass walls. Perfect for office and commercial units, or when light is at a premium.

Thermally broken profiles allow efficient centre pane U Values of under 1.6W/m2K and overall U values that are compliant to current building regulations, allowing windows and doors to be used for internal as well as external applications:

  • Internal partitions | office partitions | shower and privacy screens
  • Fire Rated single & double doors*
  • Sliding doors | hinged Doors | pivot doors
  • External doors | Internal doors
  • Full conservatory & extensions made from steel
  • Side hung windows | top hung windows | centre pivot windows

All with super slim frame sight lines: <40mm

We provide a variety of finishes: from powder coated RAL colours to exposed bare metal finishes. Choose from a large choice of handles and hardware that will make your steel doors completely unique. Bullet hinges, and handles are available in variety of finishes: satin chrome, brass, old bronze, bronze & powder coated colours.

Steel windows and doors can be further customisable with Patterned Glass options to add an element of decoration or privacy, Click here to see our range.

Our FENSA registered installers give you peace of mind.

Black Steel Window and Door design Crittall inspired W20 W40 Design Plus London


*Doors and fixed lights will be manufactured to the same specification as the Steel Window Association FD30 fire integrity test. Due to the nature product being highly customisable it is the responsibility of the client to obtain approval/sign off from Building Control/ Fire officer. Design Plus London Limited assume no liability.