21 Timber Mill Southwater West Sussex RH13 9SX
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Prior Approval for the erection of a single-storey rear larger home extension, which would project 5.10m from the rear elevation, comprising a maximum height of 3.50m and an eaves height of 2.40m
- Received
- 15 June 2026
- Decision due
- 27 July 2026
- Decision level
- Delegated (officer decision)
- Council
- Horsham District Council
- Ward
- Southwater South and Shipley
- Agent
- dk planning & design
- ReceivedReceived15 Jun
- ValidatedValidated15 Jun
- Consult.Consultation
- TargetTarget Date27 Jul
- DecidedDecided
Have your say
About this application
This is an outline application for an extension at 21 Timber Mill Southwater West Sussex RH13 9SX. Horsham has handled 569 applications of this type. It has been with the council since 15 June 2026 and is still awaiting a decision. There are no previous applications recorded at this address. In the past year there have been 50 applications across Southwater South and Shipley. We hold 2,379 applications in total for the RH13 postcode area.
83% of outline applications at Horsham District Council were approved. Across all application types, the council typically decides in about 8 weeks (median).
Based on decided applications received in the last 3 years.See what's approved near your address
Application details
- Postcode
- RH13 9SX
- Application type
- Gen Permitted Development - Householder
- Scale / size
- Small
- Parish
- Southwater PC
Planning application dates
- Date validated
- 15 June 2026
Applicant and agent
- Agent
- dk planning & design
- Agent address
- 22 Searles View Horsham RH12 4FG
Planning decision
- Statutory period
- 42 days
Additional information
- Planning Portal ID
- PP-15004734
- Documents
- 7
- Constraints
- 12
Site constraints
Designations that overlap or adjoin the site outline.
- Tree Preservation Order: TPO/1236Protected tree on or next to this site
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)
flood storage areas, conservation areas, listed buildings, Article 4 directions, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
Source: Horsham
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Around this site
Nearby applications
- 38A Quarry Way Southwater Horsham West Sussex RH13 9SUDISC/26/0215 · ConditionsApproved0.0 mi
- Land At 515666 126464 Quarry Way Southwater West Sussex RH13 9STDC/26/0495 · ConditionsAwaiting decision0.1 mi
- Brookfield House Worthing Road Southwater Horsham West Sussex RH13 9DTDC/26/0418 · AmendmentRefused0.1 mi
- Holly House Worthing Road Southwater West Sussex RH13 9DTDISC/26/0076 · ConditionsAwaiting decision0.1 mi
- Holly House Worthing Road Southwater Horsham West Sussex RH13 9DTDC/25/2141 · ConditionsApproved0.1 mi
For applicants and trades
Before the decision
You may need a tree survey and arboricultural impact assessment. Arboriculturists near this site
Protected trees (TPO) are on or next to this site.
- 4.2 miHorsham
- 11.5 miHaywards Heath
- 12.4 miWorthing
Nearest first, within 25 miles of the site. Every firm is listed free.
Contractors near this project
Find contractors for extensions near this site- B.Gillespie Fixing & GlazingWindow & Door Installer0.2 mi
- The PowerMan Electrical ServicesElectrician0.2 mi
- Connect LNE Electrical LtdElectrician0.2 mi
- B & T Services LtdElectrician0.3 mi
What's been approved on your street?
See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.
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