Planning application
4 Riverside Horsham West Sussex RH12 1NX
Works: Extension
Relates to DC/26/0364
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Non Material Amendment to previously approved application DC/26/0364 (Erection of a two storey side extension) to step the extension in off the boundary by 100mm.
As published by the council, reference DC/26/1118
Application record
- Reference
- DC/26/1118
- Type
- Non-Material Amendments Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 13 Jul 2026
- Validated
- 13 Jul 2026
- Decided
- 4 Aug 2026
- Ward
- Denne
- Parish
- Horsham TC
- Decision by
- Delegated Decision
- Postcode
- RH12 1NX
Site history
Applications at this address on the Horsham register
This site has had 2 applications since 2026: 1 approved, 0 refused.
-
DC/26/0364 Awaiting decision
4 Riverside Horsham West Sussex RH12 1NX
Erection of a two storey side extension.
Timeline
Dates from the published record
-
13 Jul 2026
Received by Horsham
-
4 Aug 2026
Decision issued: Application Permitted
-
4 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
-
DC/26/0364 Awaiting decision
4 Riverside Horsham West Sussex RH12 1NX
Erection of a two storey side extension.
Who's behind it
Company information only, from the register and Companies House
Commercial Drawing Service Agent, registered in Epsom
Active · incorporated 1995 · Epsom
65 applications on PlanIndex · across 9 councils · 90% 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
8 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 4 August 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 amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
4 Riverside Horsham West Sussex RH12 1NX
98% historically approved · decision due ~5 May
Erection of a two storey side extension.
Awaiting decision Householder Extension 15 docsDomestic -
7 Riverside Horsham West Sussex RH12 1NX
Erection of a first floor side extension and single-storey rear extension.
Granted Householder Extension 14 docsSmall domestic -
17 The Crescent Horsham West Sussex RH12 1NA
98% historically approved · decision due ~15 Oct
Demolition of existing single storey front extension and erection of replacement single storey front extension, erection of a single storey rear extension, installation of front and rear dormer windows, alterations to fenestration, installation of a rooflight, erection of a roof terrace, and associated landscaping works.
Awaiting decision Householder Extension Loft or dormer +2 10 docsSmall domestic -
Summerbank 11 The Crescent Horsham West Sussex RH12 1NA
Demolition of existing rear extension and erection of a single storey rear extension.
Granted Householder Extension Demolition 12 docsSmall domestic -
8 The Crescent Horsham West Sussex RH12 1NB
Erection of a single storey rear extension.
Granted Householder Extension 13 docsSmall domestic -
Managers Office Hills Place Horsham West Sussex RH12 1XT
Surgery to 1x Common Yew, 1x Copper Beech, 2x Sycamore, 1x Common Elder. Fell 1x Jacquemont's Birch.
Granted Trees 5 docs
Other amendment applications
In Horsham
-
DC/26/1123 Granted
18 Croft Way Horsham West Sussex RH12 2AS
Variation of Condition 3 of previously approved application reference DC/24/1837 (Retrospective erection of a single storey garden office building at the rear of the property) to allow business use as a pilates studio.
-
DC/26/1134 Withdrawn
Kerves Farm Cottage Kerves Lane Horsham West Sussex RH13 6RJ
Variation of Condition 4 of previously approved application DC/11/1176 (All weather riding arena) for the sand school to used in connection with Kerves Farm Cottage.
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DC/26/1282 Refused
Aurora Vincent House School 31 North Parade Horsham West Sussex RH12 2DA
Non Material Amendment to previously approved application DC/23/1566 (Change of use from Office to Special Educational Needs School. Construction of two storey link building. Construction of Multi Use Games Area and associated landscaping) to amend proposed site plan to include new outdoor play area.
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DC/26/1397 Awaiting decision
Kilnwood Vale Crawley Road Faygate West Sussex
Non Material Amendment to previously approved application DC/25/2158 (Removal of Conditions 3 and 6 of previously approved application DC/23/1694 (Reserved Matters approval sought for layout, appearance, scale and access, in accordance with DC/15/2813 for the Kilnwood Vale Neighbourhood Centre, comprising of 111 residential dwellings (C3), 66 elderly care units (C2), a community building and 9no. commercial units (Class E) with associated landscaping, access and parking) relating to Water Efficiency) for a correction to the red line boundary, revisions to external levels to reflect existing site conditions, with associated changes to apartment blocks, updates to apartment block floor plans, heights, roofscape, windows, doors and signage, amendments to the convenience store entrance and glazing, removal of door swing indications for selected retail units, the addition of a substation and associated landscaping, revisions to selected cycle shelters, footpaths and landscaping around the apartment blocks, amendments to fire tender access arrangements, and changes to porch and bay window roof designs on selected plots.
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DC/26/1398 Awaiting decision
Hareswith House West Chiltington Road Storrington West Sussex RH20 4BP
Non Material Amendment to previously approved application DC/26/0140 (Extension and conversion of existing garage) to increase the width of 2no. ground floor windows on the west elevation, replace 1no. window with 2no. windows on the west elevation, remove one rooflight on the west roof slope, increase height of the entrance door on the east elevation, and rearrange the rooflights on the east roof slope.