Architectural Plans for 2 storey side house extension

Architectural plans in DWG file required for a planned 2 storey side extension to a detached house in London. Existing house is 5 bedrooms and DWG file is available showing existing plans and layou. You will be able to use this dwg file and modify it for new proposal. Attached diagrams show existing house and proposed new extension with an increase in size. Roof structure will require modification. I will require a DWG file of new house. 3d rendered views x3 (front side and rear). PDF format of floor plans and elevations to scale of new house. Elevations in standard 2D. Architectural plans to be sound in terms of structural engineering. Exact design details will be discussed with successful bidder. Bidder should be familiar with CAD software and architectural plans and buildings drawings.