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Half Acre Denham Avenue Denham Buckinghamshire UB9 5ER

PL/20/4092/PNEPrior Notification ExtensionApproved
Outline / PiP

Approved on 18 January 2021

Council decision: Prior Approval Not RequiredDelegated (officer decision)

Approximate location: the centre of the postcode, not the exact property.

Proposal

Notification under The Town and Country Planning (General Permitted Development) Order 2015, Part 1 of Schedule 2 Class A 4 for: single storey rear extension (depth extending from the original rear wall of 8.00 metres, maximum height 4.00 metres, eaves height 2.82 metres)

Received
8 December 2020
Decision level
Delegated (officer decision)
Council
Chiltern South Bucks
Ward
Denham
Agent
James Rush Associates Ltd
  1. Received8 Dec
  2. Validated8 Dec
  3. Consult.7 Jan
  4. Target18 Jan
  5. Decided18 Jan

Decided in 41 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at Half Acre Denham Avenue Denham Buckinghamshire UB9 5ER. Chiltern South Bucks has handled 1,766 applications of this type. This one was decided in 41 days, 2 weeks quicker than Chiltern South Bucks's typical decision time. There have been 8 other applications at this address. We hold 1,195 applications in total for the UB9 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
UB9 5ER
Application type
Prior Notification Extension
Scale / size
Small
Parish
Denham Parish Council

Planning application dates

Date validated
8 December 2020
Consultation expiry
7 January 2021
Neighbour consultation start
15 December 2020
Neighbour consultation end
7 January 2021
Last date for comments
7 January 2021
Target decision date
18 January 2021

Applicant and agent

Agent
James Rush Associates Ltd
Architect profile
JAMES RUSH ASSOCIATES LIMITED
Agent address
54 Joiners Lane Chalfont St Peter Buckinghamshire SL9 0AT

Planning decision

Statutory period
41 days

Additional information

Documents
5

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Green belt: Buckinghamshire
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, conservation areas, listed buildings, Article 4 directions, tree preservation orders, 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

8 other applications at this property, newest first.

  1. 2023
    6 Sep

    Conversion of existing dwelling into 5 flats with additional rooflights, windows and doors and changes to…

    ApprovedFull ApplicationPL/23/2777/FA
  2. 2023
    17 Aug

    Conversion of existing outbuilding into two dwellings

    PendingFull ApplicationPL/23/2697/FA
  3. 2023
    19 Jul

    Conversion of existing garage into dwelling

    PendingFull ApplicationPL/23/2281/FA
  4. 2021
    13 Jan

    Certificate of Lawfulness for proposed single storey rear extension, rear dormer window, 1 front, 1 rear and…

    ApprovedCertificate of Lawful Use - ProposedPL/20/4467/SA
  5. 2020
    23 Oct

    PL/20/3561/SAApplication for a Certificate of lawfulness for proposed: Outbuilding in rear garden

    ApprovedCertificate of Lawful Use - ProposedPL/20/3561/SA
  6. 2020
    16 Jul

    Certificate of Lawfulness for proposed outbuilding and swimming pool in rear garden

    WithdrawnCertificate of Lawful Use - ProposedPL/20/2270/SA

Source: Chiltern South Bucks

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