 She was one of the few candidates in the race to rent rather than own her home and made private renters' rights a centrepiece of her campaign.She was described by "The Guardian"s London specialist Dave Hill as having "like her party, grown more formidable with experience".Berry was a founder of the Alliance against Urban 4×4s, which began in Camden in 2003 and became a national campaign demanding measures to stop 4×4s (or sport utility vehicles) "taking over our cities".