London Tree Map

Questions to the Mayor of London – answered on 24th May 2022.

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Photo of Hina Bokhari Hina Bokhari Liberal Democrat

What actions are you taking to collect data on local authority maintained trees from the remaining boroughs in London where data does not exist?

Photo of Sadiq Khan Sadiq Khan Mayor of London

The London Tree Map was last updated in January 2021 and contains data from 26 of the London boroughs, the City of London and Transport for London.

Officers are currently working with Greenspace Information for Greater London (GiGL), the city’s Environmental Records Centre, to request more recent data from all local authorities. We aim to update the map again in autumn 2022.

Officers are also working with the London Tree Officers Association, as part of the London Urban Forest Plan, to encourage boroughs to share their tree data. This includes working toward the new national Individual Tree Data Standard to encourage a common approach to data collection and make it easier to combine data from multiple sources.