TY - BOOK AU - Shah,Aditi AU - Cuff,Nick TI - Markets: South London T2 - Property Week PY - 2010/// KW - London N2 - Irish developer Ballymore reveals its plans for a 2.5m sq ft mixed-use development at Nine Elms centring around the new US embassy site. Lend Lease Europe and Quintain's £5bn Greenwich Peninsula scheme prepares for its next phase, 250 000 sq ft of offices and homes. CoStar Focus research shows that rents in key office locations in south London have fallen on average by 20% with first half of 2010 take up down 50% compared with the same period in 2009. TK Maxx and New Look are combining units to create large stores at Southside Shopping Centre in Wandsworth ER -