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Land·Gap

How much land each council still has to find for new homes

South East

Mid Sussex must find land for 5,316 more homes

Mid Sussex has to plan for 1,343 new homes a year, 6,715 over 5 years. Its brownfield register holds land for about 1,398 of them.

Brownfield with permission: 411 Other brownfield on the register: 987 Still to find: 5,316

Brownfield cover

21%

of 5 years' need, calculated. How

Still to find

5,316

homes over 5 years

Housing Delivery Test

104%

of required homes built, 2025 measurement

Delivery

Over the three years to March 2025, Mid Sussex delivered 3,124 of the 3,008 homes it was required to: 104%. The government's published consequence: no consequence.

What is on the brownfield register

43 live sites covering 28 hectares, of which 29 have no planning permission yet. 2 give no housing estimate, so the capacity above is a floor, not a total.

A council short of land has to find more, and the 17 August 2026 planning framework widened what counts as grey belt. This page describes the council's position. It does not say whether any particular piece of land would get permission.

Housing Delivery Test 2025 measurement, published 17 August 2026.