Reliable Structural Engineer in Swanley, Kent (BR8)
ProStructural Design provides expert structural calculations, detailed drawings, and engineering support for properties across Swanley and the wider BR8 postcode area. As part of the Sevenoaks District Council, we ensure all our designs for home extensions, loft conversions, and structural alterations are robust, buildable, and fully compliant with local Building Control regulations.
We work efficiently to deliver accurate, reliable structural solutions required for a wide range of residential projects:
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Home Extensions – Complete design for single and double-storey extensions, tailored for Sevenoaks Council submission.
 
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Loft Conversions – Structural calculations optimised for safe new floor joists and roof modifications.
 
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Load-bearing Wall Removals – Precise RSJ calculations (steel beams) for open-plan living and kitchen spaces.
 
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Chimney Breast Removals – Certified support design for safe removal or modification of chimney stacks.
 
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Building Control Packages – Comprehensive calculation reports ready for straightforward submission to the local authority.
 
- Strong expertise in the local area and the requirements of Sevenoaks District Council.
 
- Fixed-fee, transparent pricing upfront, with no hidden costs.
 
- Designs guaranteed to be accepted by all Approved Inspectors and local authorities.
 
- Detailed, high-quality drawings that minimise builder queries and site confusion.
 
Serving Swanley and the Sevenoaks District
We proudly serve Swanley and surrounding towns including Orpington, Sevenoaks, Dartford, and Farningham. Our structural designs are always bespoke and compliant with local authority needs.
Our Service Area Map in Swanley