Planning and new building in Westbourne
Figures last changed 20 October 2026. House prices for Westbourne are on the main Westbourne page.
On this page: What is being built near Westbourne? · Can I extend or alter a home in Westbourne?
What is being built near Westbourne?
Land Registry recorded 7 sales of newly built homes in Westbourne between January 2022 and August 2026: 6 in 2025 and 1 in 2026 (to August). New estates take several months to appear in its records, and their new postcodes longer, so homes finished this year may not show yet. Chichester District Council's brownfield land register (last updated December 2024) lists no site within 500 metres of its postcodes; it covers land that has been built on before, not fields. Where new homes go is set by Chichester District Council's local plan, the Local Plan 2021 to 2039, adopted in August 2025; a new one is being prepared.
Source: HM Land Registry Price Paid Data · Brownfield land registers (planning.data.gov.uk) · Local plans (planning.data.gov.uk) · How to check a new estate's drainage.
Can I extend or alter a home in Westbourne?
Usually, within the national limits, but not everywhere: 29 of Westbourne's 91 postcodes are in the Westbourne conservation area or the South Downs National Park, where homeowners can do less without planning permission. Of those, the Westbourne conservation area covers 24 and the National Park five. There, an extension to the side, a back extension of more than one storey, a loft extension that adds to the roof and cladding the outside all need planning permission. Historic England lists 57 buildings within 100 metres of a Westbourne postcode, among them the grade I Parish Church of St John the Baptist and one at grade II*; any work that changes a listed building's character, inside or out, needs listed building consent. Neither Chichester District Council nor the South Downs National Park Authority, which decides planning inside the park, has published its Article 4 directions or its tree preservation orders to the government's planning data service, so check with them before starting work. In a conservation area, cutting down or pruning a tree above a small size needs six weeks' notice to the council. Flats and maisonettes have no householder permitted development rights. Whether a particular job needs permission depends on the home: the council can say, and a lawful development certificate puts it in writing.
Source: Conservation areas (planning.data.gov.uk, Historic England and councils) · National Landscapes (planning.data.gov.uk, Natural England) · National Parks (planning.data.gov.uk) · Listed buildings (planning.data.gov.uk, Historic England) · Permitted development rights for householders: technical guidance (GOV.UK).
Figures cover 91 postcodes in Westbourne. How these figures are made.