Planning application
11 West Street Horsham West Sussex RH12 1PF
Works: Extension Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Alterations to the existing building for additional retail space, erection of a first floor infill extension for an additional office, and alterations to the rear elevation fenestration to allow the formation of a new fire escape and extension of the retail space.
As published by the council, reference DC/26/0307
Application record
- Reference
- DC/26/0307
- Type
- Full Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 20 Feb 2026
- Validated
- 20 Feb 2026
- Decided
- 17 Apr 2026
- Ward
- Denne
- Parish
- Denne NC (pre HPC)
- Decision by
- Delegated Decision
- Postcode
- RH12 1PF
Timeline
Dates from the published record
-
20 Feb 2026
Received by Horsham
-
17 Apr 2026
Decision issued: Application Permitted
-
12 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Mark Alford Design Limited Agent, a design practice registered in Storrington
Active · incorporated 2013 · Storrington
50 applications on PlanIndex · across 5 councils · 97% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
17 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat this grant of permission means
Horsham granted permission on 17 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
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