Tung Shan Terrace - History and Road Numbering | Gwulo: Old Hong Kong

Tung Shan Terrace - History and Road Numbering

Dear all I have lived in Tung Shan Terrace for a while now and I am still incredibly confused by the numbering! As you turn off Stubbs Road - the first building on Tung Shan Terrace is numbered as 23 and the numbers heading up the road don't seem to have much logic to the way they proceed with 6 appearing near the top but no no. 1 in sight. Does anyone have any insight to the history of Tung Shan Terrace and how this strange numbering sequence occured?
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There is a number 1, it's The Notting Hill. If you zoom in at http://www1.map.gov.hk/gih3/view/index.jsp you can see that buildings 1 - 7 are in sequence, but after that the numbering jumps about.

One possibility is that they were numbered in the order they were built. That's how the big houses on the road into Shek O are numbered. So back at Tung Shan Terrace you could have started with 1 - 8, then a garden was sold to make land for 10, 11, 12, and so on.