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.
More top news
A woman died as she crossed the road when she was struck by four separate motorists who police believe did not stop.
Patrols including local volunteers have been set up after the grisly finds in Thamesmead in the last month.
Thieves targeted a property in Richmond on Monday afternoon.