The Hailsham & Hellingly Masterplan takes a holistic approach to every aspect of the town’s infrastructure: roads; sewerage and drainage; transport; retail; employment land; housing; healthcare; education and training; leisure, recreation and the arts.

Among the Masterplan’s proposals are long-term visualisations for the town's roads, (including two major (new) relief roads), making the High Street and town centre more pedestrian-friendly, a community-based diagnostic and treatment centre with GP surgeries, and a community park/complex (with a 500-seat concert hall, multi-use hall for clubs and societies, library and art gallery).

The Final Draft of the Masterplan has been amended in light of the results of an independent retail impact study carried out last year and identifies the estimated timescales for development, delivery mechanisms and resource implications required for its delivery.