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Building Regulation Drawings in London

REGULATIONS

Prepare your extension, loft conversion, garage conversion or new build for construction with accurate building regulation drawings from AA Drafting Solutions. We produce detailed technical plans and specifications to demonstrate how the proposed work will meet the applicable Building Regulations and support a building control application.

Based in South London, our Architectural Design Technicians work with homeowners, landlords and developers across London and the surrounding areas. We develop your approved design into a clear technical drawing package for review by your local authority building control team or a registered building control approver.

Building Regulations Plans for Extensions and Conversions

Building Regulations address the construction, safety, accessibility and energy performance of building work. They are separate from planning permission, which generally considers how a development affects the property and surrounding area.

Our building regulations drawing service is suitable for projects including:

Single and double-storey extensions
Loft and garage conversions
Internal alterations involving structural work
House and flat conversions
HMO conversions
New build projects

If you are still at the design or planning stage, AA Drafting can also prepare planning drawings for an extension and help you move from the initial proposal to the technical design stage.

What Our Building Regulation Drawings Include

Each drawing package is tailored to the property, project and building control route. Depending on the work involved, it may include:

Proposed floor plans, elevations and cross-sections
Foundation, wall, floor and roof construction details
Insulation specifications and thermal performance information
Fire safety measures, escape provisions and fire-resistant construction
Ventilation and moisture-control details
Drainage layouts and relevant sanitary provisions
Stair, guarding and accessibility details where applicable
Notes and specifications identifying proposed materials and construction methods

We align the technical drawings with the approved or agreed design so builders and building control professionals can understand how the work is intended to be constructed. The exact information required will depend on the scope and complexity of your project.

Structural Calculations and Technical Coordination

Projects involving new openings, steel beams, altered load-bearing walls, foundations or other structural work may also require structural calculations. These calculations are normally prepared by a structural engineer and submitted alongside the relevant architectural and structural drawings.

Where required, we can coordinate with a structural engineering company so the calculations and technical details are reflected consistently within the drawing package. This helps reduce discrepancies between the architectural plans, structural design and proposed construction.

Building Regulation Example Drawings

View examples of building regulation drawings prepared for residential extensions, loft conversions and property alterations. The examples show the level of technical detail that may be included, such as plans, sections, construction specifications, insulation, fire safety and structural information.

Example drawings are provided for general guidance. Every project requires a drawing package based on its own design, property conditions and compliance requirements.

Our Building Regulation Drawings Process

Initial Project Review

We discuss the proposed work, review any existing or approved drawings and identify the information needed to prepare an accurate quotation. Where a measured survey is required, we will confirm this before technical drawing work begins.

Technical Drawing Preparation

Our team develops the design into detailed building control drawings and specifications. We consider the relevant construction, fire safety, ventilation, insulation, drainage and accessibility requirements that apply to the project.

Specialist Coordination

If structural calculations or other specialist information is required, we coordinate the relevant details with the appointed consultant and update the drawing package accordingly.

Building Control Review

The plans can be submitted to the appropriate building control body for review. If technical queries or reasonable amendments arise during the plan-checking stage, we can help respond and revise the drawings within the agreed scope of service.

Why Choose AA Drafting Solutions?

Practical London experience: We prepare drawings for residential and commercial projects across London and understand the requirements commonly raised by London building control teams.
Clear technical information: Our plans are produced to help building control professionals, structural engineers and contractors understand the proposed work.
Joined-up project support: We can assist with architectural services, planning drawings and the later technical design stage.
Drawings tailored to the project: Each package reflects the property, approved design and construction requirements rather than relying on a generic specification.

If you would like a general explanation before commissioning the service, see our guide to what building regulation drawings are and how they are used.

Get a Quote for Building Regulation Drawings

Whether you are moving an extension from planning approval towards construction or preparing technical plans for a loft conversion, property conversion or new build, AA Drafting Solutions can provide the detailed building regulation drawings your project needs.

Contact AA Drafting Solutions for a free quote and tell us about your property, proposed work and current project stage.