DUO continues to operate through these challenging times of COVID-19

DUO Building awarded Best Of Houzz 2018 for Customer Service.

2 Years In a Row!

We are London's leading design+build company

No matter your commercial specialty, we bring your unique vision to life

DUO wins six ACE Awards, including Renovator of the Year

Contact UsYou can contact us by phone at: (519) 434-0960 or by email at experts@duobuilding.com

What's New

Unique Custom Homes

Tour this creatively designed, new home in downtown London

Walk through this innovative, patient-friendly dental office

An inside look into our dedicated team

Check out our stunning spa renovation

Learn more about the DUO Promise and our 3-year warranty

We thank our clients for making this award for customer service possible!