Duo Building Ltd

4.6· 33 Google reviews

Home Renovation listing in London, ON

About Duo Building Ltd

DUO Building Ltd. has designed and built renovations and new homes around London, Ontario since 1979. In-house designers and carpenters handle whole home renovations, kitchens with in-house cabinet design, bathrooms and ensuites, basements and additions such as rear additions, extra storeys and detached guest suites. It also builds passive homes and commercial offices, and it backs its renovations with a warranty program it describes as longer than most builders offer. Reviewers mention workmanship, clear communication and a clean job site. 33 Google reviewers give it an average of 4.6 out of 5, with 29 at the top mark.

Topics in its Google reviews: professional staff (8), workmanship (6), courteous staff (5), kitchen renovation (3), basement renovation (3), clear communication (3), clean job site (2), design phase (2), punctuality (2), timely manner (2)

Services and details

  • Renovates homes

    Yes

  • Kitchen renovations

    Yes

  • Bathroom renovations

    Yes

  • Basement finishing

    Yes

  • Home additions

    Yes

  • Builds custom homes

    Yes

  • Commercial projects

    Yes

  • Design and build

    Yes

  • Offers a warranty

    Yes

No information yet on handles permits, states it is insured, states HCRA licence or Tarion registration, free estimates, financing available. Not stated by the company; worth asking on the first call.

Contact

Details gathered from public sources, 2026-10-24. Fix an error or ask for removal. Back to home renovation companies in London.