Planning application
23 Comptons Lane Horsham West Sussex RH13 5NL
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Conversion of loft into habitable living space with hip to gable roof extension, rear dormer and front rooflights. (Lawful Development Certificate - Proposed).
As published by the council, reference DC/26/0086
Application record
- Reference
- DC/26/0086
- Type
- Certificate Proposed Lawful Use/Dev
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 19 Jan 2026
- Validated
- 2 Feb 2026
- Decided
- 30 Mar 2026
- Ward
- Forest
- Parish
- Forest NC (Pre HTC)
- Decision by
- Delegated Decision
- Postcode
- RH13 5NL
Timeline
Dates from the published record
-
19 Jan 2026
Received by Horsham
-
2 Feb 2026
Validated
Checked as complete and ready for consideration.
-
30 Mar 2026
Decision issued: Application Permitted
-
12 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Si-tec plans ltd Agent, registered in Wokingham
Active · incorporated 2004 · Wokingham
47 applications on PlanIndex · across 14 councils · 85% 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
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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Horsham granted permission on 30 March 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 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
-
119 Bennetts Road Horsham West Sussex RH13 5JY
Prior Approval for the erection of a single-storey rear larger home extension, which would project 5.50 meters from the rear elevation, comprising a maximum height of 2.50 meters and an eaves height of 2.5 meters.
Refused Prior approval Extension 11 docsSmall domestic -
133 Bennetts Road Horsham West Sussex RH13 5JY
94% historically approved · decision due ~10 Sep
Conversion of loft into habitable living space with the installation of a rear dormer, 2no. front rooflights and a window to the side elevation (Lawful Development Certificate - Proposed).
Decided Lawful development Loft or dormer Windows or glazing 9 docs -
103 Bennetts Road Horsham West Sussex RH13 5JY
Variation of Condition 1 of previously approved application DC/18/1937 (Demolish existing conservatory and erection of a single storey rear extension and flat roof side extension incorporating garage) to reduce size of extension and amend roof form.
Granted Amendments Extension Demolition 12 docsSmall domestic -
The Forest School Comptons Lane Horsham West Sussex RH13 5NT
Installation of new 3m wide path along southern parameter of the main school building with access gate onto Comptons Lane
Granted Outline 4 docs -
78 Eversfield Road Horsham West Sussex RH13 5JT
Loft conversion with hip to gable roof extension, rear dormer and front rooflights. Erection of front porch and raising of roof to side projection (Lawful Development Certificate - Proposed)
Granted Lawful development Extension Loft or dormer 14 docsSmall domestic -
65 Comptons Lane Horsham West Sussex RH13 5NS
Erection of a first floor side extension, rendering and insulating of existing first floor external walls, and alterations to fenestration. Installation of new dropped kerb and front driveway.
Granted Householder Extension Windows or glazing 12 docsSmall domestic
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).
-
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)