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Outbuilding Building Regulations Drawings & Structural Calculations

Outbuildings such as garden rooms, home offices and annexes are increasingly popular ways to create additional space within a property.

Many outbuilding projects require structural calculations and Building Regulation drawings to demonstrate that the structure complies with Building Regulations.

Timber-clad garden room used as a home office
Timber-clad garden room with bifold doors open onto a patio

BuildRegs prepares structural calculations and Building Regulation drawings for residential outbuilding projects across England and Wales.

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 outbuilding projects start from £749.

Most quotes within 24 hours · Secure digital delivery · Documentation prepared for Building Control

Structural Calculations for Outbuildings

Outbuildings often involve structural elements such as foundations, roof structures and structural openings.

Structural calculations demonstrate that these elements safely support the loads applied to them and comply with structural requirements under the Building Regulations.

Structural calculations may be required for:

BuildRegs prepares structural calculations that clearly demonstrate the structural design of the proposed outbuilding.

Building Regulations Drawings for Outbuildings

Building Regulation drawings show how the outbuilding will be constructed in accordance with Building Regulations.

These drawings typically include technical details relating to:

These drawings help Building Control understand how the proposed structure complies with Building Regulations requirements.

Outbuilding Projects We Support

BuildRegs supports structural calculations and Building Regulation drawings for a wide range of residential outbuilding projects including:

If you already have architect drawings prepared for your outbuilding project, we can review them and confirm the structural calculations and documentation required.

Documentation for Building Control

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

Outbuilding Design Fees

Structural calculations and Building Regulation drawings for residential outbuildings typically start from £749.

Final pricing depends on the size and complexity of the project and the number of structural elements involved.

Prices start from the figure shown. Upload your architect drawings and we will review the project and confirm your fixed fee.

Starting from £749

How It Works

01

Upload Your Plans

Send your drawings in PDF format (DWG/CAD files by email).

02

Project Review

We review your plans and confirm the scope of work.

03

Receive Your Quote

Receive your fixed-fee quotation by email.

04

Make Payment

Accept your quote and pay securely using the payment link provided.

05

Documentation Prepared

We prepare the drawings and calculations included in your quote.

06

Ready for Submission

Receive your documents, ready for submission to Building Control.

Work begins once payment and all required project information have been received.

Get a Quote for Your Outbuilding

If you already have architect drawings for your outbuilding 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 £749.

Most quotes within 24 hours · Secure digital delivery · Documentation prepared for Building Control

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