Tonight: Brockley Central drew our attention to a gathering in the Golden Lion Pub on Sydenham High Street tonight where Tim Lund, Chair of the Sydenham Society (not for much longer) will be talking about "Doing Civics in the 21st Century". Those who love local, whichever bit it is, might be inspired considering the role of civic societies and getting involved with planning issues. From 8pm, free.
Friday: Exhibit at the Golden Lane Estate plays host to an 'in conversation' event about social housing. Lynsey Hanley (author of Estate: An Intimate History) chats to artist Anthony McCorry, who's been in residence at the estate recently. Book your £3.50 ticket now by emailing firstname.lastname@example.org or buzz 020 7253 6668. Starts 7.30pm in the Golden Lane Estate Community Hall.
Saturday: Some top green tip offs from Project Dirt for the weekend. 10.30am, Purfleet - Join Thames21 to clean-up litter from the Thames foreshore on this otherwise beautiful nature reserve! Everyone is welcome, all you need is lots of enthusiasm and willingness to get stuck in! Wellington Boots, gloves and socks will be provided. It's also Volunteer Day on Streatham Common, 11am-3pm.
If you've spent your morning active on the river bank, you might want to spend your evening being activist with United Underground. OK, it's £6 but we reckon cheap at the price to see Ken Livingstone on the same bill as Twee as Fuck.
On the Southbank, the Metropolitan Police Male Voice Choir serenade the Front Room at QEH at 1.30pm, absolutely free for all.
Down by the canal in Hackney, it's the final day of the Scapegoat Society art exhibition, co-curated by Mark McGowan. From 3pm there's a performance, talks and closing drinks at Guest Projects, Sunbury House, E8.
Monday: If Valentine's Day vexed you, the Gresham College free public lecture at 6pm might help. Professor Glenn Wilson talks on "For better or worse: how we pick our partners".
Tuesday: We tried to do this last week but the quizmeister was sick - hope you have better luck this time at the Southwark Tavern Pub Quiz. £2 a head, 8pm start but get there early to bag a table (or discreet snogging 'cell').
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