Putting its Mitzvah Day contribution in numbers, Hendon Synagogue calculates that 80 balloons were blown up by barmitzvah boys to decorate the community centre and 80 packages of fresh green vegetables were presented to the Gift charity.
Sixty seniors were taken to a tea party with food prepared by the community's youth and 30 Chanucah cards sent to IDF soldiers. Another key figure was 100 - the age of birthday celebrant Evie Mantz. Local MP Matthew Offord was among the special guests.
Hendon Reform supporters wrapped toys and gifts for Barnardo's children, delivered food and household goods to Homeless Action Barnet and made brightly decorated laminated placemats for Norwood children.
Collections for the Karen Morris Memorial Trust were made at Brent Cross shopping centre and young members entertained Jewish Care residents.
South Hampstead Synagogue had 150 people engaged in Mitzvah Day pursuits. Young participants planted daffodil boxes on the balconies of the Marie Curie Hospice in Hampstead and dozens of volunteers visited residents at the Otto Schiff home in Golders Green. During the day, in excess of 200 bin bags of clothes and 20 crates of food were collected for the homeless in Camden.
Organiser Ben Leon said: "We brought the whole community together with neighbouring churches St Saviour and St Mary's, making a difference for others. When the government talks about the Big Society they should come and see what we are doing here."