Hello there,
Im an Architect who's currently working as a Freelancer.
I've read your job description of designing the extension, and approving it's blueprints.
All my previous work was for permit approval purposes (Residential buildings), Where I do turn all drafts or sketches into the required architecture blueprints in 2D and 3D diagrams, With ability of providing Electrical and Plumbing sheets.
Also providing Existing Condition house Blueprints and Proposed blueprints too .
Check out my Profile's portoflio to see similar projects.
https://www.freelancer.com/u/ahmedibrahimarch
If you want to get started and complete this project, chat to discuss, looking forward to work with you.
Thanks in advance.