Estimated reading time: 6 minutes
Key Takeaways
- Government inspector rejects the Horsham District Local Plan for legal non-compliance.
- Council withdraws the plan and requests a fresh hearing.
- Water neutrality and the duty to cooperate are central stumbling blocks.
- Delays may put housing targets at risk until at least 2026.
- Community engagement will intensify as the council revises evidence and policies.
Table of Contents
Background of the Local Plan
The Horsham District Local Plan was drafted to guide development between 2023 and 2040, mapping out where new housing, employment land and infrastructure should go. Described by one councillor as *“our development compass for the next generation,”* the plan promised certainty for residents, investors and environmental groups alike.
- Spanned a seventeen-year horizon, covering housing supply, town-centre regeneration and climate resilience.
- Sought alignment with the government’s National Planning Policy Framework.
- Intended to deliver roughly 1,200 homes per year to meet rising demand.
Why Was the Plan Rejected?
In his scathing letter, the government planning inspector at the Planning Inspectorate highlighted three fatal flaws:
- Legal Duty to Cooperate: Horsham had failed to agree cross-border housing numbers with neighbouring authorities such as Crawley and Mid-Sussex.
- Water Neutrality Strategy: The supporting Strategic North West Sussex Water Study (SNOWS) did not prove the district could achieve water neutrality in a *high-stress* catchment.
- Mapping & Evidence Errors: Dozens of site allocations contained outdated flood-risk data, undermining confidence in the evidence base.
Quoting the inspector, “*The cumulative effect of these shortcomings renders the plan unsound in its current form.*”
Council’s Response
Faced with rejection, Horsham District Council voted unanimously to withdraw the plan and seek a new hearing. Leader Cllr Martin Boffey told the chamber:
“We cannot accept a plan labelled non-compliant; we owe our residents a blueprint that passes every legal test.”
- The council will commission fresh hydrological modelling and reopen talks with neighbouring districts.
- Officers acknowledge the *“tightrope”* of balancing growth with environmental safeguards.
- Internal restructuring caused by local government re-organisation has further stretched planning resources.
Examination Process & New Hearing
The new examination will mirror the original scrutiny but with a sharper focus on cooperation and water. Before formal resubmission the council must:
- Publish an updated Statement of Common Ground with neighbouring councils.
- Demonstrate water neutrality through revised mitigation projects and monitoring.
- Correct mapping errors and refresh the Sustainability Appraisal.
Planning officers estimate the hearing could take place in late *2025*, pushing final adoption to *2026 or beyond*.
Implications for Development
Without an adopted plan, Horsham is vulnerable to speculative applications. Developers may rely on the presumption in favour of sustainable development, meaning:
- Greater uncertainty for local businesses eyeing expansion.
- Potential shortfall of 3,600 homes if targets slip by three years.
- Infrastructure funding via Section 106 agreements could be delayed.
Community Feedback
During earlier consultations more than 9,000 representations were lodged. Common themes included:
- Traffic congestion around the A24 corridor.
- Protection of ancient woodland and the Mens Nature Reserve.
- Requests for genuinely affordable homes for younger residents.
The council has promised a fresh round of engagement, insisting *“no voice will be ignored.”*
Planning Policy Considerations
Experts say the case underscores the growing legal weight of the duty to cooperate. Law firm Burges Salmon notes that 48% of plans withdrawn since 2019 cited this duty. Additionally, mounting environmental obligations—such as nutrient neutrality—mean evidence bases must be *“forensic.”*
Next Steps
Horsham District Council’s roadmap includes:
- Commissioning updated water studies by Q1 2025.
- Holding targeted public workshops in each market town.
- Submitting the revised plan for examination in *autumn 2025*.
- Adoption hoped for *spring 2026* if found sound.
Until then, planning decisions will rely on national policy and the dated 2015 core strategy.
Conclusion
The rejection of the Horsham District Local Plan is a pivotal moment for local governance. While the setback exposes procedural weaknesses, it also offers an opportunity to craft a stronger, greener and more collaborative blueprint for the district’s future. The coming months will test the council’s resolve, but lessons learnt now could shape Horsham’s landscape for decades.
FAQ
What is the “duty to cooperate” and why did it matter?
The duty to cooperate is a legal requirement forcing councils to work with neighbouring authorities on strategic issues like housing numbers. Horsham’s failure to evidence genuine collaboration was a key reason the inspector found the plan unsound.
Will housing applications be paused during the rethink?
No. Applications will still be determined, but without an up-to-date plan the council has less control over where development occurs.
How can residents have their say in the new plan?
The council will open an online portal and hold in-person workshops once draft revisions are published. Details will appear on the planning policy webpage.
What is water neutrality?
Water neutrality means ensuring that total water use after development is no greater than before. In Horsham’s water-stressed area, developers may have to include grey-water recycling or offset schemes.
When could a compliant plan realistically be adopted?
Officials project adoption in 2026, assuming the revised evidence satisfies the inspector and there are no further legal challenges.