Planning application
97 Cook Road Horsham West Sussex RH12 5GL
Works: Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Conversion of garage into habitable living space with replacement of garage door with window and replacement of rear door (Lawful Development Certificate - Proposed).
As published by the council, reference DC/26/1422
Application record
- Reference
- DC/26/1422
- Type
- Certificate Proposed Lawful Use/Dev
- Status
- Awaiting decision
- Received
- 4 Sep 2026
- Validated
- 23 Sep 2026
- Ward
- Holbrook West
- Parish
- North Horsham PC
- Postcode
- RH12 5GL
Timeline
Dates from the published record
-
4 Sep 2026
Received by Horsham
-
23 Sep 2026
Validated
Checked as complete and ready for consideration.
-
28 Sep 2026
Added to PlanIndex
-
12 Oct 2026
Status changed to Awaiting decision
Previously Registered.
-
Decision
Awaiting decision
Decision expected by 18 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Horsham took a median of 56 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
6 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Horsham for determination, against a statutory target of eight weeks. Over the last year Horsham decided lawful development applications in a median of 63 days. More in our guide to how long planning decisions take.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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54 Primrose Copse Horsham West Sussex RH12 5PZ
94% historically approved · decision due ~5 Aug
Conversion of loft with rear dormer and 2no. front rooflights (Lawful Development Certificate - Proposed).
Decided Lawful development Loft or dormer 10 docs -
Chennells Brook House North Heath Lane Horsham West Sussex RH12 5PJ
Variation of Condition 5 of previously approved application DC/17/1129 (Proposed demolition of existing garage and erection of detached outbuilding/studio) for outbuilding to be used for ancillary purposes and not to be separated or sold off as an independent planning unit of residential accommodation.
Refused Amendments Demolition 6 docs -
7 Primrose Copse Horsham West Sussex RH12 5PY
Conversion of loft to form habitable space, incorporating creation of a rear dormer and installation of 2no rooflights to front (Lawful Development Certificate - Proposed).
Granted Lawful development Loft or dormer 7 docs -
Westlake House 130 Pondtail Road Horsham West Sussex RH12 5EZ
Surgery to 3 x Oak, 1 x Willow and 1 x Beech.
Granted Trees 4 docs -
Bentley House North Heath Lane Industrial Estate North Heath Lane Horsham West Sussex RH12 5QE
81% historically approved · decision due ~6 Mar
Change of use of building to provide 9 residential units.
Awaiting decision Full applications 46 docs
Other lawful development applications
In Horsham
-
DC/26/1319 Granted
Little Meadow Kerves Lane Horsham West Sussex RH13 6ES
Erection of outbuilding for use as a garage/gym and workshop. (Lawful Development Certificate - Proposed).
-
DC/26/1310 Granted
143 Rushams Road Horsham West Sussex RH12 2NY
Loft conversion with hip to gable roof extension and rear dormer. Replacement of rear doors with bi-fold doors. (Lawful Development Certificate - Proposed).
-
DC/26/1172 Granted
30 Laines Road Steyning West Sussex BN44 3LL
Conversion of garage into habitable living space, with the installation of 2no. windows to the front elevation, 1no. french doors to the rear elevation, and 2no. rooflights (Lawful Development Certificate - Proposed).
-
DC/26/1544 Awaiting decision
17 Thornden Cowfold West Sussex RH13 8AG
Siting of single storey mobile home for ancillary use to the main dwelling (Lawful Development Certificate - Proposed).
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DC/26/1524 Awaiting decision
Rowan Two Mile Ash Horsham West Sussex RH13 0LA
Application to confirm the continuous use of the land Garden at Rowan purposes for a period in excess of ten years (Lawful Development Certificate - Existing)