Planning application
18 Oliver Road Horsham West Sussex RH12 1LH
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Erection of a single storey ancillary residential annexe.
As published by the council, reference DC/26/1155
Application record
- Reference
- DC/26/1155
- Type
- Householder
- Status
- Decided
- Received
- 20 Jul 2026
- Validated
- 20 Jul 2026
- Ward
- Denne
- Parish
- Horsham TC
- Decision by
- Delegated Decision
- Postcode
- RH12 1LH
Timeline
Dates from the published record
-
20 Jul 2026
Received by Horsham
-
4 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
RS Architectural Designs Agent, an architecture practice
5 applications on PlanIndex
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
7 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
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23 Oliver Road Horsham West Sussex RH12 1LH
Prior Approval for the erection of a single storey rear larger home extension, which would project 5.00m from the rear elevation, comprising a maximum height of 3.501m and eaves height of 2.850m.
Granted Prior approval Extension 8 docsSmall domestic -
76 Worthing Road Horsham West Sussex RH12 1TD
Approval of details reserved by condition 3 to approved application DC/23/0072.
Granted Conditions 7 docs -
76 Worthing Road Horsham West Sussex RH12 1TD
Erection of a two-storey side and front extension. Conversion of loft to form habitable space, incorporating roof extensions, creation of dormers to side and rear and installation of rooflights. Fenestrations and associated external alterations to dwelling.
Granted Householder Extension Loft or dormer 20 docsDomestic -
Five Farthings Hengist Close Horsham West Sussex RH12 1SB
Erection of a front porch to the east elevation. Alterations to fenestration including the installation of sliding doors to the south elevation.
Granted Householder Extension Windows or glazing 13 docsSmall domestic -
99 Blackbridge Lane Horsham West Sussex RH12 1RU
81% historically approved · decision due ~30 Apr
Erection of a detached two-bedroom dwelling with associated parking and access, following approval for dwelling under application reference DC/24/1557.
Decided Full applications 12 docsDomestic -
Netherledys Blackbridge Lane Horsham West Sussex RH12 1SD
98% historically approved · decision due ~26 Nov
Surgery x 6 Yew, x 1 Leylandii and x 1 Cedar
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Other householder applications
In Horsham
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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.
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DC/26/1291 Granted
The Spinney Melrose Place Storrington West Sussex RH20 3HH
Erection of a single-storey rear extension.
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DC/26/1279 Granted
21 Wood Croft Billingshurst West Sussex RH14 9XL
Erection of a single storey rear extension.
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DC/26/1264 Granted
25 Springfield Park North Parade Horsham West Sussex RH12 2BF
Loft conversion with installation of front and rear roof lights.
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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.