CSV Make a Difference Day is the nation's biggest single day of volunteering.
Although most of the events are taking place today (Saturday 27th October), there are also special volunteering initiatives throughout the next week.
In addition to the project in Wembley, Londoners will also be:
- Helping plant spring bulbs and mow lawns on the Thames View Estate in Barking.
- Making over a garden in Wandsworth.
- Creating artworks to display on the wall of a recently-built community garden in Newham.
- Baking cupcakes for elderly people in Camden.
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The Tooting MP has been the frontrunner in the counting process ahead of Tory challenger Zac Goldsmith.
It's not just London where elections have been taking place today. There were council elections taking place across the home counties.
A list of results for London Mayor and the London Assembly