HOME / STRUCTURAL SERVICES
House extension structural design in Birmingham
A brighter kitchen or an extra family room often starts with a larger opening in the back of the house. We help turn that new layout into a considered structural design.
Plan the opening and the extension together
Rear extension structural calculations should consider the existing house as well as the new space. We review the proposed opening, floors and walls above, roof arrangement and the route by which loads reach the ground. Wide openings can need posts or a frame as well as a beam.
Details that influence the build
Foundation requirements depend on ground conditions, nearby trees, drains, adjacent structures and the proposed loads. Existing foundations may need investigation. We identify the assumptions and information needed so the builder is not left to resolve important design questions on site.
For Birmingham homes of different ages
A terrace in Stirchley, a semi-detached home in Great Barr and a detached property in Solihull can present very different access and structural constraints. Share photographs of the rear elevation, neighbouring structures and any visible alterations alongside the proposed plans.
Keep design changes manageable
Tell us early about rooflights, bifold doors, level changes or a future storey. These choices can alter the structural arrangement. We agree the deliverables and fee before starting, and explain the effect of later architectural changes before revising the design.
Do I need structural calculations for a rear extension?
Many extensions need structural design for openings, beams, roofs or foundations. Send the proposed layout so we can identify the structural work and confirm the required design scope.