Talk to Frank - Honest information about drugs


About this service

CGL BaSIS is a free and confidential drug and alcohol service for adults in Greenwich. We work with those living, working or studying in Greenwich who use:

  • Cannabis
  • Cocaine and club drugs
  • New Psychoactive Substances (formerly Legal Highs)
  • Steroids
  • Alcohol, but non-dependant

We also work with people who take part in Chemsex. We offer up to 12 weeks of one-to-one psycho-social support, including groups and promoting health and wellbeing, whether clients want to be abstinent, cut down and reduce to safer levels, or look at minimising harm and using more safely. We also offer free staff training and have a presence at community events.

Referral (how to access this service)

Self referral or via other agency

Catchment (areas they serve)



Royal Arsenal Medical Centre, 21 Arsenal Way, Woolwich, London, Greater London, SE18 6TE
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Opening times

Monday: 9am - 5pm
Tuesday: 9am - 5pm
Wednesday: 9am - 9pm (after 5pm, appointments only)
Thursday: 9am - 5pm
Friday: 9am - 5pm

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