Maplehurst 22 Austenway Chalfont St Peter Buckinghamshire SL9 8NW
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
Two storey rear extension, side roof extension and alteration to existing front dormers, windows and doors.
- Received
- 12 August 2026
- Decision due
- 7 October 2026
- Decision level
- Delegated (officer decision)
- Council
- Buckinghamshire Council
- Ward
- Chalfont St Peter
- Agent
- Dunphy & Hayes Limited
- ReceivedReceived12 Aug
- ValidatedValidated12 Aug
- Consult.Consultation4 Sep
- TargetTarget Date7 Oct
- DecidedDecided
About this application
This is a full planning application for a two storey rear extension at Maplehurst 22 Austenway Chalfont St Peter Buckinghamshire SL9 8NW. Buckinghamshire has handled 2,296 applications of this type. It has been with the council since 12 August 2026 and is still awaiting a decision. There has been 1 other application at this address. In the past year there have been 116 applications across Chalfont St Peter. We hold 2,362 applications in total for the SL9 postcode area.
86% of full applications at Buckinghamshire 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.Planning something similar? See what gets approved on your street
Application details
- Postcode
- SL9 8NW
- Application type
- Full Application
- Scale / size
- Small
- Parish
- Chalfont St Peter
Planning application dates
- Date validated
- 12 August 2026
- Consultation expiry
- 4 September 2026
- Consultation start
- 14 August 2026
- Consultation end
- 4 September 2026
- Neighbour consultation start
- 13 August 2026
- Neighbour consultation end
- 3 September 2026
- Last date for comments
- 4 September 2026
Applicant and agent
- Agent
- Dunphy & Hayes Limited
- Agent address
- River Glen Dunally Park Shepperton TW17 8LJ
Planning decision
- Statutory period
- 56 days
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.
Planning history at this site
1 other application at this property, newest first.
Source: Buckinghamshire
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Around this site
Nearby applications
- Maplehurst 22 Austenway Chalfont St Peter Buckinghamshire SL9 8NWPL/25/0914/FA · FullAwaiting decision0.0 mi
- Wedgewood 20 Austenway Chalfont St Peter Buckinghamshire SL9 8NWPL/22/1335/FA · FullApproved0.0 mi
- Wedgewood 20 Austenway Chalfont St Peter Buckinghamshire SL9 8NWPL/18/4752/FA · FullApproved0.0 mi
- Wedgewood 20 Austenway Chalfont St Peter Buckinghamshire SL9 8NWPL/18/3260/FA · FullApproved0.0 mi
- Hope Cottage 18 Austenway Chalfont St Peter Buckinghamshire SL9 8NWCH/2017/1746/FA · FullApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Lynford homesVerifiedBuckinghamshireNew Builds0.5 mi
- Aljay Electrical LtdElectrician0.3 mi
- GX Home Improvements LtdConservatoriesWindow & Door Installers0.3 mi
- Formact LtdElectricianBuilders0.3 mi
Planning something similar?
See what the council approved and refused for two-storey and first-floor extensions on your street. Pick your home and get the evidence before you pay for drawings.