A community centre in Cricklewood was set alight in a suspected arson attack.
Firefighters and police were called to Ashford Place in Ashford Road shortly after 4am on Tuesday, February 11.
Flames ripped through a kitchen in the basement of the centre, which runs a variety of community services including support for homeless people, counselling and alcohol and drug treatment.
The kitchen was damaged in the fire, which was put out shortly after 5am.
No one was injured in the incident.
Police are treating the fire as suspicious and are appealing for witnesses to call them on 020 8733 3709, or call Crimestoppers anonymously on 0800 555 111.