This is too late for Andrew but may be of interest to others:
Roots and Shoots are now selling Christmas Trees. The centre will be open during the week 10am - 4pm and on Sat 6th and Sat 13th 10am - 2pm. On Sat.13th they will have the Brockwell Park Drummers and mincepies and mulled wine.
Roots and Shoots are located at Walnut Tree Walk (off Kennington Road). For further information please contact Roots and Shoots on 020 7587 1131.