Planning application
18 Collingwood Road Horsham West Sussex RH12 2QW
Works: Loft or dormer
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Conversion of loft into habitable living space with the installation of a rear dormer and 3no. rooflights to the front elevation. (Lawful Development Certificate - Proposed).
As published by the council, reference DC/26/0700
Application record
- Reference
- DC/26/0700
- Type
- Certificate Proposed Lawful Use/Dev
- Status
- Registered
- Received
- 29 Apr 2026
- Validated
- 29 Apr 2026
- Ward
- Trafalgar
- Parish
- Horsham PC
- Decision by
- Delegated Decision
- Postcode
- RH12 2QW
Timeline
Dates from the published record
-
29 Apr 2026
Received by Horsham
-
12 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 24 June 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.
Who's behind it
Company information only, from the register and Companies House
Agent on file, registered in Epsom
54 applications on PlanIndex · across 9 councils · 89% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
11 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.
Trade members open them 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 56 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 500 metres
-
8 Collingwood Close Horsham West Sussex RH12 2QP
Erection of a single storey side and rear extension.
Granted Householder Extension 31 docsSmall domestic -
21 Collingwood Road Horsham West Sussex RH12 2QN
Surgery to 1 x Lawsons' Cypress.
Granted Trees 4 docs -
34 Collingwood Road Horsham West Sussex RH12 2QW
Conversion of existing integral garage into habitable living space to form a utility room and wet room shower for disabled use including providing localised external ramps for mobility access. (Lawful Development Certificate - Proposed).
Granted Lawful development 10 docs -
West Lodge North Parade Horsham West Sussex RH12 2QR
Non Material Amendment to previously approved application DC/20/2094 (Erection of a detached double storey dwelling, utilising existing access and retention of existing garage) to allow for revisions to fenestration and internal layout of the new dwelling.
Granted Amendments New dwelling Windows or glazing 6 docsDomestic -
-
2 Collingwood Road Horsham West Sussex RH12 2QW
Erection of 1.8m high and 1m high fencing.
Granted Householder 8 docsDomestic
Other lawful development applications
In Horsham
-
DC/26/1062 Granted
Hayes Farm, Unit 3 Gay Street Pulborough West Sussex RH20 2HL
Use of premises (Unit 3) as a light-industrial workshop for the purpose of joinery construction (Lawful Development Certificate - Existing).
-
DC/26/1028 Granted
17 Purton Road Horsham West Sussex RH12 2HB
Erection of a single storey rear infill extension (Lawful Development Certificate - Proposed).
-
DC/26/1330 Awaiting decision
17 Cavendish Close Horsham West Sussex RH12 5HX
Demolition of existing garage and erection of new garage (Lawful Development Certificate - Proposed).
-
DC/26/1300 Awaiting decision
6 Faithfull Crescent Storrington West Sussex RH20 4QY
Demolition of existing conservatory and erection of a single storey rear extension. (Lawful Development Certificate - Proposed).
-
DC/26/1265 Awaiting decision
Malthouse Cottage Farm Malthouse Lane Ashington West Sussex RH20 3BU
Use of land forming part of the domestic curtilage of Malthouse Cottage Farm for the stationing of a mobile home to provide an ancillary annex to the house (Lawful Development Certificate - Proposed)