Estimated reading time: 6 minutes
Key Takeaways
- The Planning Inspectorate halted Horsham’s Local Plan examination, citing *legal non-compliance* and inadequate water neutrality evidence.
- Horsham District Council has filed a formal complaint and is calling for an *urgent* review of the decision.
- Failure to cooperate with neighbouring authorities puts the district at risk of speculative development.
- Environmental concerns focus on the **Sussex North Offsetting Water Strategy (SNOWS)** and pressure on sensitive chalk aquifers.
- A revised plan could take months, affecting housing delivery targets through 2040.
Table of Contents
Background of the Horsham District Local Plan
The Horsham District Local Plan was intended to guide housing, infrastructure and environmental policy from 2023-2040. According to the Horsham District Council statement, the plan sought to balance economic growth with ecological preservation, aligning local ambitions with national planning policy.
Key objectives included allocating land for 965 homes per year, protecting biodiversity corridors and ensuring major developments adopted water-efficient technologies.
Why the Plan Was Rejected
On 4 April 2025, examination hearings were abruptly halted when inspectors ruled the draft plan legally non-compliant. The primary failure lay in meeting the statutory duty to cooperate with neighbouring councils. Inspectors also highlighted insufficient evidence proving water neutrality.
- No updated memoranda of understanding with adjacent authorities.
- Uncertainty around the proposed Sussex North Offsetting Water Strategy.
- “Soundness” concerns regarding housing delivery mechanisms.
“Without constructive engagement across administrative boundaries, the Plan cannot proceed to adoption,” the lead inspector wrote.
Council’s Response
Within 48 hours, Horsham District Council filed a formal complaint, calling the decision “disproportionate” and requesting ministerial intervention. A letter to the Planning and Housing Minister argued that *“robust evidence exists but was overlooked in the hearings.”*
- Formation of a cross-party taskforce to review the inspector’s findings.
- Commitment to re-engage neighbouring councils in the coming weeks.
- Exploration of interim policies to counter speculative applications.
Water Neutrality Challenges
Water neutrality means new development should not increase overall demand on local water resources. Inspectors deemed SNOWS “technically interesting but practically untested.”
- Potential impact on Pulborough Brooks and the Arun Valley wetlands.
- Need for stronger safeguards to protect fragile chalk aquifers.
- Calls for metering, grey-water recycling and developer levies.
Implications for Housing
With no adopted plan, the tilted balance in national policy may favour ad-hoc applications. Developers could exploit gaps, proposing estates in locations previously deemed unsuitable.
- Current applications for 2,500 homes now face uncertainty.
- Community groups fear loss of strategic green buffers.
- Affordable housing delivery targets risk significant delay.
Next Steps for the Council
Officials anticipate at least six months to redraft the Local Plan. A new evidence-base on water efficiency, coupled with re-negotiated cooperation agreements, will underpin the revised submission. Public consultation rounds are expected in late autumn.
Conclusion
The rejection of Horsham’s Local Plan underscores a growing national trend of stricter scrutiny. Whether the council can craft a *legally watertight* and environmentally robust blueprint will shape development across the district for decades. Residents, developers and conservationists alike will watch closely as the next draft emerges.
FAQs
Why did the Planning Inspectorate halt the examination?
Inspectors found Horsham District Council had not met the duty to cooperate with neighbouring authorities and lacked convincing evidence on water neutrality.
What is water neutrality?
Water neutrality ensures that new development does not increase overall water consumption in the region, often achieved through efficiency measures and offsetting schemes.
How long will a revised Local Plan take?
Council officials estimate at least six months to prepare a new draft, followed by public consultation and further examination.
Could speculative development increase during the delay?
Yes. Without an adopted plan, developers may lodge applications that exploit the presumption in favour of sustainable development.
Where can I review the rejected draft plan?
The full document is available on the Horsham District Council planning portal.