The entrance door, even in the humblest cottage, should always be a conspicuous feature in its front

A. J. Downing, Cottage Residences, Rural Architecture and Landscape Gardening (1842)

Welcome to the London Doorways research project. This is an initiative of ACO London Region, a branch of Architectural Conservancy Ontario. This project is a study of a specific style of triple-arched doorways found in London and surrounding communities in southwestern Ontario.

Latest research

  • Happy Hallowe’en!
    Happy Hallowe’en from ACO London Region! 🎃 Our amazing volunteer Lis Edwards created this remarkably detailed London Doorways costume. View on Instagram:
  • How to purchase the new London Doorways book
    London Doorways – an Expanded Study of Triple-Arched Doorways takes a closer look and wider view to better understand the influences that produced the London Doorway and its architectural significance. Since the posthumous publication of Julia Beck’s work on the London Doorway (Architectural Conservancy Ontario London Region, 2014), our passion for London Doorways has only grown.…

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  • Pre-sales for our new London Doorways book end on May 13, 2023
    Pre-sales of London Doorways: An expanded study of triple-arched doorways. are available online at The special pre-sale price of $45 is available until May 13, 2023. Pre-sale books will be available for pick up at the Geranium Heritage House Tour on Sunday, June 18, 2023.