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146 High Street Amersham Buckinghamshire HP7 0EG

PL/23/3290/FAFull ApplicationApproved
Full

Approved on 6 December 2023

Council decision: Conditional permissionDelegated (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

Demolition of existing conservatory and porch roof, erection of new single storey rear extension, conservatory and front porch roof, addition of new rooflight into existing roofscape and changes to some windows and doors

Received
16 October 2023
Decision level
Delegated (officer decision)
Council
Chiltern South Bucks
Ward
Penn Wood & Old Amersham
Agent
Blaise Architectural Limited
  1. Received16 Oct
  2. Validated16 Oct
  3. Consult.20 Nov
  4. Target11 Dec
  5. Decided6 Dec

Decided in 51 days (council typically 56)

About this application

This is a full planning application for demolition at 146 High Street Amersham Buckinghamshire HP7 0EG. Chiltern South Bucks has handled 8,004 applications of this type. This one was decided in 51 days, 5 days quicker than Chiltern South Bucks's typical decision time. The site is in the Amersham conservation area, with 2 listed buildings nearby. There have been 4 other applications at this address. We hold 2,556 applications in total for the HP7 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
HP7 0EG
Application type
Full Application
Scale / size
Small
Parish
Amersham

Planning application dates

Date validated
16 October 2023
Consultation expiry
24 November 2023
Consultation start
30 October 2023
Consultation end
20 November 2023
Neighbour consultation start
30 October 2023
Neighbour consultation end
20 November 2023
Last date for comments
24 November 2023
Target decision date
11 December 2023

Applicant and agent

Agent
Blaise Architectural Limited
Architect profile
BLAISE ARCHITECTURAL LIMITED
Agent address
Cardinal Point Park Road Rickmansworth WD3 1RE

Planning decision

Statutory period
56 days

Publicity

Last advertised
3 November 2023
Advertisement expiry
24 November 2023
Site notice start
31 October 2023
Site notice end
21 November 2023

Additional information

Documents
9

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)Next to the site
  • Conservation area: Amersham
  • Article 4 direction: Whole District excluding the Town of Chesham - Poultry production.
Also checked, none recorded (22)

flood storage 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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