About Design & Supply Ltd

Design and Supply – Steel Door Specialists

Design and Supply are specialist manufacturers and suppliers of Industrial Steel Doors, Steel Fire Rated Doors, Steel Security Rated Doors, Steel Glazed Doors and Sheet Metal Products. Established in 1986, Design and Supply offer a varied range of high quality steel doors at competitive prices.
With almost 30 years experience within the Steel Door industry we offer the full package, right through from door planning, site surveys, door design, door production, door assembly, powder coat finish, to installation. We look upon our customers problems as our own, and will endeavour to solve it by producing any steel door of any gauge of material to the highest specification.
As specialists in manufacturing steel doors, we have decades of experience to call upon. In this time, we have captured the whole steel door market, our clients include, worldwide contractors, local councils, schools, right down to the smaller end user. Using the latest CAD/CAM technology, we can produce standard steel doors or unique specials with equal ease all to the highest quality.
The following are some of our high quality steel door ranges;
Custom Steel Door
A popular range as each steel door is engineered and manufactured to customers specification, and can be manufactured in 1.2mm, 1.5mm or 2mm Zintec Steel with a double skin construction. Custom steel doors offer the flexibility to specify a wide range of features ensuring that each door is truly unique for its application.
Fire Rated Steel Door
Our Fire Rated Steel Doors have been independently 3rd party tested and offer certification in excess of 6 hours. We are able to offer a large range of hardware options as the door has been tested both latched and unlatched. The door is manufactured from 1.5mm zintec steel as standard making it both strong and secure.
Security Rated Steel Door
Safety and Security is increasingly becoming a concern, we offer LPS 1175 level 1, 2 and 3 tested steel doors that are available as single or double doors (outward opening). The security steel doors have been vigorously tested by the LPCB to withstand attack and unauthorised entry with heavy duty tools. A large variety of locking systems can be specified including manual and electric as well as a wide choice of glazing units, louvre panels and removable transoms are also available.
Flood Proof Steel Doors
Our Flood Proof Steel Doors have been designed to offer protection against both flood and unauthorised entry. Available in both single and double steel doors (outward opening) with unique seals and hardware, the doors offer peace of mind where the threat of flood is high. Flood Proof Steel Doors for residential applications are also now available.
Slimline Glazed Steel Door
Our Slimline Glazed Steel Door offers a range of profile sections which are suitable for both internal and external doors, screens and windows where strength yet elegance are paramount.
The fully welded steel framework provides a robust carrier for all types of glazed units and allows easy access for cable ways for powered locks, alarm contacts and entry systems.
The Slimline Steel Door range offers a fire rating, security rating, low U values and high acoustic dampening, this makes it ideal for schools, offices, public buildings and social housing projects.
Standard Steel Door
Standard Steel Doors are manufactured from 1.2mm Zintec steel, they are a flexible bespoke general purpose steel door that can be used both internally and externally and a popular choice for personnel and fire exits.

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  • Monday09:00 AM - 05:00 PM
  • Tuesday09:00 AM - 05:00 PM
  • Wednesday09:00 AM - 05:00 PM
  • Thursday09:00 AM - 05:00 PM
  • Friday09:00 AM - 05:00 PM
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