A Detailed HAA led to the consolidation of three separate conservation areas into a single conservation area encompassing the whole quarter. Subsequently a further 120 buildings in the quarter were statutorily listed as of special architectural and historical interest and in 2005 Birmingham City Council published (as Supplementary Planning Guidance) a design guide for the area. These measures were accompanied by the adoption of planning policies which have been successful in protecting the unique character of the quarter and its fragile manufacturing and craft base whilst permitting controlled new development on its periphery.