Complete Stair System External Staircase

Our range of external spiral staircases are supplied made to measure across the UK and beyond.  They are constructed in mild steel and are custom made to the height and diameter required.  There are several different tread and balustrade types to choose from and they are supplied galvanised, or powder coated.

They offer a cost-effective way of accessing a rear garden and can even be constructed to incorporate a balcony.

Each spiral is constructed using a single steel centre column with steel tapered treads arms bolted to the side.  A top platform is generally located at the top level with the finished floor. 1700mm 1800mm 1900mm 2000mm 2100

The tapered steel tread can be supplied with various steel plates welded on the top or left completely flat to take a client supplied finish such as timber decking or millboard.  There is even the option to create a steel frame for glass treads.

For safety and to support the handrail an infill is require preventing falling.  Please be aware that in the UK for domestic applications, horizontal rails are generally not permitted being considered climbable.

An external stringer is a piece of steel that wraps around the perimeter of the spiral, covering the edge of the treads.  It adds a swooping, twisting feel to the flight.  This is either supplied as a structural 8mm piece of mid steel which is bolted directly to the treads or a 1.5mm steel cover piece which gives a similar appearance but it less cost.

The external spiral staircases come complete with a square top platform.  This can be enlarged to incorporate a larger platform or even a substantial balcony area.

Being custom made, full technical drawings are prepared for each spiral to ensure the correct rotation and height.   Manufacture takes around 8- 9 weeks from drawing to approval.

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