Platt House The Platt Amersham Buckinghamshire
Approved on 12 July 2022
Council decision: Conditional 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
Side infill extension to undercroft of main house and replacement pitched roof over side element.
- Received
- 28 February 2022
- Decision level
- Delegated (officer decision)
- Council
- Chiltern South Bucks
- Ward
- Penn Wood & Old Amersham
- Agent
- Arcline Architecture
- ReceivedReceived28 Feb
- ValidatedValidated28 Feb
- Consult.Consultation25 May
- TargetTarget Date5 Jul
- DecidedDecided12 Jul
Decided in 134 days (council typically 56)
About this application
This is a full planning application for an extension at Platt House The Platt Amersham Buckinghamshire. Chiltern South Bucks has handled 8,004 applications of this type. This one was decided in 134 days, 11 weeks longer than Chiltern South Bucks's typical decision time. The site is in the Amersham conservation area, with 5 listed buildings nearby. There are no previous applications recorded at this address.
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
- Application type
- Full Application
- Scale / size
- Medium
- Parish
- Amersham
Planning application dates
- Date validated
- 28 February 2022
- Consultation expiry
- 25 May 2022
- Consultation start
- 11 May 2022
- Consultation end
- 25 May 2022
- Neighbour consultation start
- 15 March 2022
- Neighbour consultation end
- 5 April 2022
- Last date for comments
- 25 May 2022
- Target decision date
- 5 July 2022
Applicant and agent
- Agent
- Arcline Architecture
- Agent address
- 45 Holtspur Top Lane Beaconsfield HP9 1DR
Planning decision
- Statutory period
- 127 days
Publicity
- Last advertised
- 18 March 2022
- Advertisement expiry
- 8 April 2022
- Site notice start
- 15 March 2022
- Site notice end
- 5 April 2022
Additional information
- Documents
- 10
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: AmershamPart of the site
- Article 4 direction: Whole District excluding the Town of Chesham - Poultry production.
- Tree Preservation Order: TPO/1992/012Protected tree on or next to this site
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)
flood storage areas, 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
Nearby applications
- Darling Cottage The Platt Amersham Buckinghamshire HP7 0HXPL/25/6001/KA · TreesRefused0.0 mi
- Land Adjacent To Platt House The Platt Amersham BuckinghamshireCH/2012/0583/FA · FullRefused0.0 mi
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- Land Adjacent To Platt House The Platt Amersham BuckinghamshireCH/2011/40265/IQL · OutlineApproved0.0 mi
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Contractors near this project
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Planning something similar?
See what the council approved and refused for single-storey side extensions on your street. Pick your home and get the evidence before you pay for drawings.