I need a skilled draughtsman or architect to amend existing drawings for a basement extension and side infill extension. The amendments are primarily design modifications. Requirements: - Redesign the lightwell stair - Move the retaining wall - Update floor plan layout with: - Room dimensions and placement - Location of doors and windows - room labels changed - utility in existing kitchen moved to basement - remove room from existing plans Ideal skills and experience: - Experience with residential extension projects, preferably with basements - Proficiency in architectural design software - Strong understanding of building regulations and compliance - Attention to detail and creativity in design modifications Please provide examples of previous similar work and ensure all modifications comply with local regulations.