Trelawny House Horsham Road Cowfold Horsham West Sussex RH13 8BU

DC/15/2837Listed Building ConsentApproved

Approved on 15 April 2016

Council decision: Application PermittedDelegated (officer decision)

Approximate site (title boundary)

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

Single storey, lean-to side extension, single storey rear extension, conversion of roof space with the inclusion of 5 conservation rooflights and dormer window to rear (Listed Building Consent)

Received: 21 December 2015
Decision level: Delegated (officer decision)
Council: Horsham District Council
Ward: Cowfold,Shermanbury and West Grinstead
Agent: GWP Architects

ReceivedReceived21 Dec
ValidatedValidated21 Dec
Consult.Consultation20 Jan
TargetTarget Date15 Feb
DecidedDecided15 Apr

Decided in 116 days (council typically 56)

About this application

This is a heritage application for a single storey rear extension at Trelawny House Horsham Road Cowfold Horsham West Sussex RH13 8BU. Horsham has handled 513 applications of this type. This one was decided in 116 days, 9 weeks longer than Horsham's typical decision time. The site is in the Cowfold conservation area, with 5 listed buildings nearby. There have been 9 other applications at this address. We hold 2,379 applications in total for the RH13 postcode area.

97% of heritage 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 8BU
Application type: Listed Building Consent
Scale / size: Small
Parish: Cowfold PC

Planning application dates

Date validated: 21 December 2015
Consultation expiry: 29 January 2016
Consultation end: 20 January 2016
Neighbour consultation end: 20 January 2016
Target decision date: 15 February 2016

Applicant and agent

Agent: GWP Architects
Agent address: Fairfield House 49 Fairfield Road Burgess Hill West Sussex RH15 8QB

Planning decision

Statutory period: 56 days

Publicity

Advertisement expiry: 29 January 2016
Site notice end: 27 January 2016

Additional information

Planning Portal ID: PP-04711123
Documents: 19
Constraints: 11

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Cowfold Conservation Area
Listed building: Grade II: Trelawny HouseOn this site
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (22)

flood storage areas, Article 4 directions, tree preservation orders, 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.

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.

Associated applications

2017
3 Feb
Approval of details reserved by conditions 3 and 6 on DC/15/2837
ApprovedDischarge of conditionsDISC/17/0034
2015
21 Dec
Single storey, lean-to side extension, single storey rear extension, conversion of roof space with the…
This applicationApprovedListed building consentDC/15/2837

Planning history at this site

8 other applications at this property, newest first.

Source: Horsham

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