List of tallest buildings in London, Ontario

London is the largest city in the Canadian region of Southwestern Ontario, with a metropolitan area population of 543,551 as of 2021. London is home to 19 completed buildings that stand taller than 75 metres (246 ft), five of which are taller than 100 m (328 ft) as of 2026. The tallest building in the city is the 40-storey, Centro South Tower, which was completed in 2025. The second tallest building is the 24-storey, 109 m (358 ft) One London Place, which was the tallest building in the city from 1992 to 2025. Since the mid-2010s, London has seen an influx of residential high-rises, similar to other cities in Southern Ontario such as Kitchener or Hamilton.

No high-rises were constructed in London during the first half of the 20th century, with the tallest building in the city being the nine-storey Huron and Erie Building, which was built in 1931. The 1960s saw the arrival of the city's first residential and commercial high-rises. The City Centre Towers, a twin office tower complex, was completed in 1974, becoming the city's two tallest buildings and a centrepiece of London's skyline. The taller south tower reaches a height of 92 m (301 ft). The towers were the tallest buildings in Southwestern Ontario until 1992, when One London Place was completed.

In the 21st century, London's skyline is increasingly characterized by residential high-rise buildings, driven by the city's high population growth. The city is undergoing a high-rise construction boom. Since 2018, four buildings taller than 100 m (328 ft) have risen in London, compared to only one beforehand, that being One London Place. Upon its completion in 2025, Centro South Tower became the tallest building in London and the tallest building in Canada between Mississauga and Calgary. London's tallest buildings are concentrated in the city's downtown, which is located east of the confluence of the Thames River and North Thames River.

History

Cityscape

Map of tallest buildings This map displays the location of buildings taller than 75 m (246 ft) in London, all of which are in the city's downtown. Each marker is numbered by the building's height rank, and coloured by the decade of its completion.

Tallest buildings

This list ranks completed buildings in London that stand at least 75 m (246 ft) tall as of 2026, based on standard height measurement. This includes spires and architectural details but does not include antenna masts. The “Year” column indicates the year of completion. Buildings tied in height are sorted by year of completion with earlier buildings ranked first, and then alphabetically.

RankName ImageLocationHeightm (ft)FloorsYearPurpose Notes 1 Centro South Tower 40 2025 Residential Tallest building in London since 2025. Tallest building completed in London in the 2020s. Also known as Centro 1. 2 One London Place 24 1992 Office Tallest building in London from 1992 to 2025. Tallest building in London completed in the 1990s. Tallest office building in London. 3 One Richmond Row 32 2021 Residential 4Aqui on King—322024ResidentialAlso known as 131 King Street. 5 Azure — 30 2018 Residential Tallest building completed in London in the 2010s.6Renaissance North—282009ResidentialTallest building completed in London in the 2000s7Renaissance South—282013Residential 8 London City Centre South 22 1974 Office Also known as City Centre Tower South. Tallest building in London from 1974 to 1992. Tallest building completed in London in the 1970s.9Riverwalk242021Residential10Clarence Square London 252024Residential 11 London City Centre North 20 1974 Office Also known as City Centre Tower North.12SOHOSQ—232025Residential13City Place Apartments East—252005Residential14City Place Apartments West—252004Residential15The Harriston—232008Residential 16 Talbot Centre East 18 1989 Office Tallest buildings completed in London in the 1980s.17Talbot Centre West181989OfficeTallest buildings completed in London in the 1980s. 18 Colborne Centre Apartments North — 26 1987 Residential 19Colborne Centre Apartments South—261987Residential

Tallest under construction or proposed

Under construction The following table includes buildings under construction in London that are planned to be at least 75 m (246 ft) tall as of 2026, based on standard height measurement. The “Year” column indicates the expected year of completion. Buildings that are on hold are not included. NameHeightm (ft)FloorsYearPurpose Notes300-320 King Street35—ResidentialCentro North Tower292026Residential

Proposed The following table includes approved and proposed buildings in London that are expected to be at least 75 m (246 ft) tall as of 2026, based on standard height measurement. The “Year” column indicates the expected year of completion. A dash “–“ indicates information about the building’s height, floor count, or year of completion is unknown or has not been released. NameHeightm (ft)FloorsYearPurpose Notes50 King St. A53—Residential50 King St. B42—Residential743 Richmond35—Residential67 York St. A—45—Residential67 York St. B—40—Residential195 Dundas Street A—35—Residential195 Dundas Street B—32—Residential

Timeline of tallest buildings This lists buildings that once held the title of the tallest building in London. NameImageYears as tallestHeightm (ft)FloorsReferencesHuron and Erie Building—1931–19649The Whitehall—1964–197116London City Hall1971–197212University Hospital1972–197312383 Richmond—1973–197414London City Centre South1974–199222One London Place 1992–202524Centro South Tower2025–present40

List of tallest buildings in London, Ontario

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