Basement Conversion Structural Design
Structural engineering for basement conversions and lowered floors. Underpinning, retaining wall and waterproofing-related structural design with calculations for Building Control.
Next steps
Talk to SBS and plan your project
Send through a sketch, plan or photo and we'll come back with a clear written quote — no obligation. Most enquiries are answered the same working day. Phone, WhatsApp and email are in the footer.
Mon to Sat, 8am to 6pm. Most calls answered within 1 hour. Or message us on WhatsApp.
Where we work from
Two offices — Ilford (61 Cranbrook Road, IG1 4PG) and Tilbury (Brunel Close, RM18 8EJ) — covering Ilford, Tilbury, Thurrock, East London and Essex.