CAD Drawing Services

Extension Plan provides professional CAD drafting services at competitive prices. Our services include 2D CAD drawings, 3D models & visualisations, as well as the preparation of planning & building regulations drawings and documentation for both residential and commercial extensions and developments.

Architectural Design | CAD Drafting Solutions | Planning Applications | Building Regulations | 3D Modelling


Since 2016, our small team of architectural designers have provided architectural design services to both private individuals and businesses. We offer all of our services to clients throughout South East London and parts of Kent, Surrey, and East Sussex. We also provide remote and outsourced CAD services to architects, contractors, and other construction professionals across the UK.

Whilst the majority of our work is on residential developments and alterations, including Planning Applications & Building Regulations packages, we also provide architectural CAD services for commercial projects, with experience working on retail, leisure, and office developments.

If you require architectural design and drafting services on a project, or if you are a firm looking for outsourced CAD draftsmen, please contact us for a quick and easy quotation.

Architecture: We produce CAD drawings, and 3D visuals for architectural projects, including extensions & conversions.
Planning: We achieve strong first attempt approval rates on home extension and conversion planning applications.
Surveying: We also provide building condition reports, measured surveys, Lease Plans, and party wall advice.


Architectural CAD Drafting

3D Models & Visualisations

Planning Applications

Building Regulations

Outsourced CAD Services


If you would like a quotation, or to make an enquiry about a service, complete the short form below and we will be in touch.