Planning application
4 Riverside Horsham West Sussex RH12 1NX
Works: Extension Domestic
Read from the description, not a valuation. How we read the register
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Erection of a two storey side extension.
As published by the council, reference DC/26/0364
Application record
- Reference
- DC/26/0364
- Type
- Householder
- Status
- Decided
- Received
- 27 Feb 2026
- Validated
- 10 Mar 2026
- Ward
- Denne
- Parish
- Denne NC (pre HPC)
- 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/26/1118 Granted
4 Riverside Horsham West Sussex RH12 1NX
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.
Timeline
Dates from the published record
-
27 Feb 2026
Received by Horsham
-
10 Mar 2026
Validated
Checked as complete and ready for consideration.
-
12 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
DC/26/1118 Granted
4 Riverside Horsham West Sussex RH12 1NX
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.
Who's behind it
Company information only, from the register and Companies House
Commercial Drawing Service Agent, registered in Epsom
Active · incorporated 1995 · Epsom
77 applications on PlanIndex · across 9 councils · 91% 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
15 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 documentsAfter the decision
Horsham has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.
About householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
4 Riverside Horsham West Sussex RH12 1NX
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.
Granted Amendments Extension 8 docs -
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 11 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 householder applications
In Horsham
-
DC/26/1294 Granted
Meadow Cottage Wineham Lane Wineham West Sussex BN5 9AY
Erection of single storey rear extension and replacement of timber garage roof and walls.
-
DC/26/1291 Granted
The Spinney Melrose Place Storrington West Sussex RH20 3HH
Erection of a single-storey rear extension.
-
DC/26/1279 Granted
21 Wood Croft Billingshurst West Sussex RH14 9XL
Erection of a single storey rear extension.
-
DC/26/1264 Granted
25 Springfield Park North Parade Horsham West Sussex RH12 2BF
Loft conversion with installation of front and rear roof lights.
-
DC/26/1260 Granted
34 Staples Barn Henfield West Sussex BN5 9PN
Erection of front porch and alterations to front elevation, replacement of existing brickwork and tile hanging and replacement of existing flat roof with pitched roof.