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Converting a loft into habitable space usually requires structural calculations and technical drawings to demonstrate compliance with Building Regulations.
BuildRegs prepares structural calculations and Building Regulation drawings for loft conversion projects across the UK.


If you already have architect drawings prepared, you can upload them for review and receive a fixed quote for the documentation required for Building Control submission.
Typical loft conversion projects start from £849.
Most quotes within 24 hours · Secure digital delivery · Documentation prepared for Building Control

Loft conversions often involve significant structural alterations to the existing property.
This may include strengthening floor structures, installing steel beams, and modifying roof structures to safely support the new living space.
Structural calculations demonstrate that these elements can safely support the loads placed on them and are commonly required as part of the Building Control approval process.
BuildRegs prepares structural calculations that clearly demonstrate the structural design of the proposed loft conversion.
Every loft conversion project is different, but structural calculations are commonly required for:
These calculations help confirm that the structure safely supports the loads created by the new room.
In addition to structural calculations, Building Regulation drawings are often required to demonstrate how the loft conversion will be constructed.
These drawings typically include technical details relating to:
Building Regulation drawings help Building Control understand how the proposed loft conversion complies with the technical standards required under the Building Regulations.
BuildRegs supports a wide range of loft conversion projects, including:
If you already have architect drawings for your loft conversion, we can review them and confirm the structural calculations and documentation required.
All drawings and structural calculations prepared by BuildRegs are designed to support Building Regulations approval.
Documentation typically includes:
Structural calculations for beams and structural elements
Building Regulation drawings suitable for submission
Clear technical documentation prepared for Building Control review
Digital delivery ready to submit
Structural calculations and Building Regulation drawings for loft conversion projects typically start from £849.
Final pricing depends on the size and complexity of the project and the number of structural elements involved.
Upload your architect drawings and we will review the project and provide a fixed quote.
Upload your architect drawings in PDF or DWG format using the Upload Plans page.
We review the drawings and confirm the structural calculations and Building Regulation drawings required.
You receive a clear fixed quote by email.
Once approved, we prepare the structural calculations and technical drawings required for your extension project.
Your completed documentation is delivered digitally by email, ready for Building Control submission.
If you already have architect drawings for your loft conversion project, upload them for review and we will provide a fixed quote for the structural calculations and Building Regulation drawings required.
Typical projects start from £849.
Most quotes within 24 hours · Secure digital delivery · Documentation prepared for Building Control
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