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Alderley 16 Austenway Chalfont St Peter Buckinghamshire SL9 8NW

PL/19/2349/SACertificate of Lawful Use - ProposedApproved
Outline / PiP

Approved on 5 September 2019

Council decision: Cert of law proposed dev or use issuedDelegated (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

Certificate of Lawfulness for proposed: Rear dormer and front and side rooflights to allow loft conversion.

Received
5 July 2019
Decision level
Delegated (officer decision)
Council
Chiltern South Bucks
Ward
Austenwood
  1. Received5 Jul
  2. Validated5 Jul
  3. Consult.
  4. Target30 Aug
  5. Decided5 Sep

Decided in 62 days (council typically 56)

About this application

This is an outline application for a loft conversion at Alderley 16 Austenway Chalfont St Peter Buckinghamshire SL9 8NW. Chiltern South Bucks has handled 1,766 applications of this type. This one was decided in 62 days, 6 days longer than Chiltern South Bucks's typical decision time. There have been 2 other applications at this address. We hold 2,362 applications in total for the SL9 postcode area.

68% of outline 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 8NW
Application type
Certificate of Lawful Use - Proposed
Scale / size
Small
Parish
Chalfont St Peter

Planning application dates

Date validated
5 July 2019
Target decision date
30 August 2019

Applicant and agent

Agent address
349 Chartridge Lane Chesham HP5 2SH

Planning decision

Statutory period
56 days

Additional information

Documents
4

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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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