Chichester District Council has voted in favour of reorganising local government in West Sussex by creating two unitary authorities.
Under the proposal, one authority would cover Chichester, Arun, Worthing and Adur, while the other would include Crawley, Horsham and Mid Sussex.
The option has now been approved by cabinet members and is backed by every district and borough council in West Sussex.
“This is a major milestone in the collaborative work that has taken place over recent months to deliver a submission based on strong evidence and research,” said Councillor Adrian Moss, Leader of Chichester District Council.
“We’ve responded closely to the government’s criteria and used data and feedback from our residents, businesses and community groups to narrow the options down to three. After careful consideration, Chichester District Council is supporting the two-unitary model, which proposes the creation of one authority for Chichester, Arun, Worthing and Adur, and the other covering Crawley, Horsham and Mid Sussex.
“A two-unitary structure would give West Sussex a stronger strategic voice, with each unitary leader sitting on the strategic authority alongside the new Mayor. Given West Sussex’s size — nearly double that of East Sussex and triple that of Brighton and Hove — this model ensures fair representation.
“It also supports better democratic engagement, with 140 councillors proposed under the two-unitary model compared to 100 under a single-unitary. With nearly 900,000 residents across a large geographical area, we believe this structure better reflects the diversity and needs of our communities.
“Both of the two-unitary models scored equally against the government’s criteria. Our preference for the south west / north east (B2), two unitary option, is based on stakeholder feedback and strategic advice. This configuration has received strong support across the county and has been chosen by all of the other district and borough councils as their preferred option. The fact that all of the district and borough councils in West Sussex are backing this option strengthens the case for a two-unitary model — something our residents have clearly indicated they want.
“The decision now rests with the government, and we await their response. That’s why it’s vital for residents and businesses to engage with the formal consultation process once it is launched. We’ll be actively encouraging participation to ensure local voices are heard and represented.”
The government is expected to launch a formal consultation on the proposals in November, with a final decision anticipated in spring 2026. If approved, the new structure would be implemented from April 2028, following elections in spring 2027 and a shadow year to ensure a smooth transition.
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