146 Central spine design staircase at this private residence. Steel stringer design staircase made for this delicatessen at The Estuary Leigh-on-Sea. Designer: Stone Me Architectural & Interior Design. STAIRCASES Whichever style metal staircase you may have in mind we can help you achieve this. We produce feature staircases in various configurations specially tailored to enhance the appearance of your property. Some examples of the types of staircase we make are shown over the next few pages. Please contact our sales staff to discuss your requirements. Toughened glass balustrading with stainless steel handrail and pig nose fixings for the staircase at The Food Company - Marks Tey. Contractor: S. P. Bardwell Ltd.