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Formed in 1966 in response to the threatened destruction of London's original financial district on Ridout Street, the London Region Branch of the Architectural Conservancy of Ontarion (ACO) is a charitable organization dedicated to promoting, preserving and interpreting the architectural heritage of the London area.

The ACO welcomes suggestions and concerns and can be contacted using the information in the "Contact Us" section. The ACO is always open to others in our community.

The mandate of the ACO and its 23 branches is:

to preserve the best examples of the architectural heritage of the province and
to protect its places of natural beauty

If you have ever stopped to look at a building whose architectural features or sense of history held your interest, then the ACO might just be what you are looking for.

Did you know?

Most people who join the ACO are not architects. They are citizens who want to know about built heritage and want to save the best of it.

Membership in the ACO will put you in touch with others:

Who value both our built heritage and natural heritage
Who want to preserve these features that make London a distinctive city
Who believe that heritage is the way a community maintains its identity
Who believe in landmarks not landfill, and that adaptive reuse is a green option