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Save 109 Warren Rd (Algernon Temple House)
It is on Toronto's heritage register as a listed property. Unless council issues a notice of intention to designate, it comes off the register on January 1, 2027 and can't be listed again for five years.
Architectural Contextual HistoricalFrom the municipal heritage register
Year built: 1910 (circa) · Architect or builder: Smith, Eden · Building height: about 19 m at its highest point (City of Toronto 3D massing) · Lot area: 1,201 m² (0.12 ha) · Neighbourhood: Casa Loma · Heritage neighbours: 1 other heritage property within 100 m
1. Add your support
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2. Write to your councillor
Council decides whether to issue a notice of intention to designate. A short, personal letter from a resident counts.
Write the letterFind your councillor
Ontario's municipal election is on October 26, 2026. Send the same letter to the candidates in your ward and ask where they stand.
3. Help with the research
Heritage staff need evidence. A research record gathers the building's history and why it matters, in the shape they use.
Priority for volunteers: 47/100 (within 800 m of St Clair West; lot of 1,000 m² or more; register has a description).
Spread the word
Status from City of Toronto — Heritage Register, as of September 1, 2026. Not legal advice. Confirm status with the municipality.