Windwhistle 19 Copthall Lane Chalfont St Peter Buckinghamshire SL9 0BY
Refused on 26 September 2022
Council decision: Refuse PermissionDelegated (officer decision)
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
Additional first floor incorporating new loft rooms with 6 side rooflights in raised roof, single storey front/side extension, changes to doors and windows
- Received
- 13 July 2022
- Decision level
- Delegated (officer decision)
- Council
- Chiltern South Bucks
- Ward
- Chalfont St Peter
- Agent
- Jackson Property Consultancy Limited
- ReceivedReceived13 Jul
- ValidatedValidated13 Jul
- Consult.Consultation18 Aug
- TargetTarget Date19 Sep
- DecidedDecided26 Sep
Decided in 75 days (council typically 56)
About this application
This is a full planning application for a side extension at Windwhistle 19 Copthall Lane Chalfont St Peter Buckinghamshire SL9 0BY. Chiltern South Bucks has handled 8,004 applications of this type. This one was decided in 75 days, 3 weeks longer than Chiltern South Bucks's typical decision time. There are no previous applications recorded at this address. We hold 2,362 applications in total for the SL9 postcode area.
82% of full applications at Chiltern South Bucks 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.Planning something similar? See what gets approved on your street
Application details
- Postcode
- SL9 0BY
- Application type
- Full Application
- Scale / size
- Medium
- Parish
- Chalfont St Peter
Planning application dates
- Date validated
- 13 July 2022
- Consultation expiry
- 1 September 2022
- Consultation start
- 28 July 2022
- Consultation end
- 18 August 2022
- Neighbour consultation start
- 28 July 2022
- Neighbour consultation end
- 18 August 2022
- Last date for comments
- 1 September 2022
- Target decision date
- 19 September 2022
Applicant and agent
- Agent
- Jackson Property Consultancy Limited
- Architect profile
- JACKSON PROPERTY CONSULTANCY LTD
- Agent address
- 6 High View Place Amersham HP8 4JZ
Planning decision
- Statutory period
- 68 days
Publicity
- Site notice start
- 11 August 2022
- Site notice end
- 1 September 2022
Additional information
- Documents
- 15
Site constraints
Designations that overlap or adjoin the site outline.
- Article 4 direction: Whole District excluding the Town of Chesham - Poultry production.
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)
flood storage areas, conservation areas, listed buildings, 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.
© 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: Chiltern South Bucks
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Around this site
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Planning something similar?
See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.