Architects Action for Affordable Housing also backed the change, saying: ‘A more realistic assessment of capacity, borough-sensitive affordable housing thresholds and a shift from rigid prescription towards performance-based assessment all signal a serious effort to unlock housing in challenging economic conditions.’ Southwark Council has hit out at the mayor over its housing targets, although it was not allocated any for green belt land. The plan allocates 10-year green-belt housing targets to nine boroughs: Barking and Dagenham, Barnet, Croydon, Ealing, Enfield, Harrow, Havering, Hillingdon and Redbridge. ‘This London Plan isn’t simply about pushing ever greater density’Assael Architecture director Emily Newton told the AJ: ‘This London Plan isn’t simply about pushing ever greater density into inner London, but looking more broadly at where and how London can grow. The draft plan also sets out criteria for the acceptable design of tall buildings, more than 30m in height.