340 Watson Ave

Heritage attributes

The Slater House is a representative example of a Colonial Revival house. The house was built in 1929 with elements of Colonial Revival design such as: side gabled roof with symmetrical façade; brick in English bond pattern; boxed cornice return with dentil detailing at the roofline and dormer roof line; brick quoins on the corners; central entrance with small stone porch with sidelights and fanlight surrounding wood panelled door; door surround with radiating square brick voussoirs; multipaned windows with brick lintel with keystones and stone sills; wooden shutters; and a bay window on the north elevation.

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

Criterion met under Ontario Regulation 9/06

The property has design value or physical value because it is a rare, unique, representative or early example of a style, type, expression, material or construction method.

O. Reg. 9/06 sets the criteria a property must meet to be designated under Part IV; the Town recorded which one applies.

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.