21 Regency Crt

History

Built by William Mackenzie King, son of Lieutenant George King, who died in the War of 1812. William MacKenzie King established the first reform newspaper in town. King named the building “Solitude” but it is referred to as “King's Castle”.

The Town of Oakville’s account, reproduced from its heritage register.

Heritage attributes

Brick Gothic Revival house with tall narrow gables, steeply pitched roof, pointed windows and decorative bargeboards and pendants. An impressive landmark in the Town. Historically, there was a highly decorated verandah on the house which has since been removed.

The Town of Oakville’s description, reproduced from its heritage register.

What the status means

Designated individually under Part IV of the Ontario Heritage Act by a Town by-law. Alterations to the heritage attributes and demolition need Town approval.

Whether a specific alteration needs a heritage permit is the Town’s call; ask its heritage planning staff before starting work. See permits and by-laws.

Sources

Contains information licensed under the Open Government Licence — Town of Oakville. Licence. Register checked September 24, 2026; the Town’s record is authoritative.