D.G. Biddle and Associates Limited’s building design team offers a full range of consulting and design services. We are experienced with commercial, and Industrial building design and the process of obtaining building permits in the Province of Ontario. With years of service we have developed relationships within the industry to advance projects through the permitting process to occupancy.


  • Ontario Building Code practitioners specializing in:
    • Small Building Design (OBC Part 9 <600 m2)
    • Large Building Design (OBC Part 3 >600 m2)
    • OBC Limiting Distance calculations for lot severances
  • Building condition assessments


  • Stoeger Canada, office renovation and warehouse expansion – Oshawa
  • Victoria Place, 3-storey commercial building – Brooklin
  • Baulch Rd. Comfort Station – Baulch Rd. Park, Port Hope
  • Purple Woods Heritage Hall – Oshawa
  • Oshawa PUC Transformer Vault Rehabilitation – Oshawa
  • Nishnawbe Apartments – Oshawa
  • Treetop Eco-Adventure Park Zip Line TSSA Approval – Oshawa
  • Potter Settlement Winery – Tweed
  • Oshawa Airport Hangarminium – Oshawa

Service Counter

Office Building Under Construction