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The Old Barn House The Platt Amersham Buckinghamshire HP7 0HX

PL/21/2804/EUCertificate of lawfulness - existingApproved
Lawful development certificate

Approved on 3 February 2022

Council decision: Certificate of Lawful Development OperDelegated (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 existing single storey side/rear extension

Received
14 July 2021
Decision level
Delegated (officer decision)
Council
Chiltern South Bucks
Ward
Penn Wood & Old Amersham
Agent
Hawkins Eades Associates
  1. Received14 Jul
  2. Validated14 Jul
  3. Consult.17 Aug
  4. Target4 Feb
  5. Decided3 Feb

Decided in 204 days (council typically 56)

About this application

This is an application to amend a permission at The Old Barn House The Platt Amersham Buckinghamshire HP7 0HX. Chiltern South Bucks has handled 601 applications of this type. This one was decided in 204 days, 21 weeks longer than Chiltern South Bucks's typical decision time. The site is in the Amersham conservation area, with 20 listed buildings nearby. There have been 4 other applications at this address. We hold 2,558 applications in total for the HP7 postcode area.

68% of amendment 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
HP7 0HX
Application type
Certificate of lawfulness - existing
Scale / size
Medium
Parish
Amersham

Planning application dates

Date validated
14 July 2021
Consultation expiry
19 August 2021
Consultation start
27 July 2021
Consultation end
17 August 2021
Neighbour consultation start
27 July 2021
Neighbour consultation end
17 August 2021
Last date for comments
19 August 2021
Target decision date
4 February 2022

Applicant and agent

Agent
Hawkins Eades Associates
Agent address
100 High Street Great Missenden HP16 0BE

Planning decision

Statutory period
205 days

Publicity

Site notice start
29 July 2021
Site notice end
19 August 2021

Additional information

Documents
10

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Amersham
  • Listed building: Grade II: 1-4, Ward PlaceOn or next to this site
  • Article 4 direction: Whole District excluding the Town of Chesham - Poultry production.
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)

flood storage areas, 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

5 other applications at this property, newest first.

  1. 2024
    27 Sep

    Single storey side extension to existing residential annex

    ApprovedFull ApplicationPL/24/2923/FA
  2. 2022
    24 Jun

    Certificate of lawfulness for existing conversion of existing annex and integral double garage to form…

    ApprovedCertificate of lawfulness - existingPL/22/2258/EU
  3. 2010
    24 Feb

    Variation of Conditions 2, 6 and 7 of planning permission CH/2004/1098/FA

    ApprovedVariation of conditions (s73)CH/2010/0282/VRC
  4. 2009
    27 Oct

    Application for a Certificate of Lawfulness for a proposed operation relating to a new vehicular access…

    RefusedCertificate of Lawful Use - ProposedCH/2009/1563/SA
  5. 2008
    17 Nov

    Detached double garage with attached store and new vehicular access to The Platt, including new entrance gates

    RefusedFull ApplicationCH/2008/1830/FA

Source: Chiltern South Bucks

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