Practical calculations, drawings and site support for extensions, loft conversions, refurbishments, basements and new‑build developments — from feasibility through to Building Control.
Full calculation packages, steel beam sizing and construction drawings — prepared to be understood by your architect, your builder and your Building Control officer alike.
Single and double‑storey rear extensions, open‑plan kitchens and bi‑fold openings — engineered around the home you actually want, not the easiest one to calculate.
Underpinning, retaining walls and structural due diligence for basement developments, commercial refurbishments, change‑of‑use projects and community buildings.
Condition surveys, crack and movement monitoring, and pre‑purchase structural opinions — clear, plain‑English reporting for homeowners, buyers and lenders alike.
Architectural drawings, photographs and project details.
We review the scope and issue a fixed quotation.
Carried out where the project requires it.
Structural calculations and drawings prepared.
Documents issued for approval and construction.
Ongoing engineering support where included.
Filter by project type — new work is added here as jobs complete.
Every project is quoted individually — these ranges give a realistic starting point. All figures exclude VAT.
Clear calculations and a genuinely fast turnaround — approved first time.
Practical site advice when we hit an unexpected drainage run.
Professional drawings our architect could work with directly.
In most cases, yes — Building Control requires calculations for new structural openings, beams or foundations.
If the wall is load‑bearing, yes. We can review your plans and confirm this before you commit to a quotation.
Yes — our packages are prepared specifically for Building Control submission across London and the South East.
Yes, where the project requires it — particularly for surveys, basements and complex alterations.
Architectural drawings or sketches, photographs of the existing structure, and a short project description.
Send over your drawings and photographs, and we'll come back with a quotation — usually within one working day.
