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55 Rupert Avenue High Wycombe Buckinghamshire HP12 3NF

PL/25/4646/SACertificate of Lawful Use - ProposedAwaiting decision
Outline / PiP
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 single storey rear extension, single storey side extension and loft conversion and new front porch

Received
16 October 2025
Decision due
11 December 2025
Decision level
Delegated (officer decision)
Ward
Abbey
Agent
Oxbridge Design
  1. Received16 Oct
  2. Validated16 Oct
  3. Consult.
  4. Target11 Dec
  5. Decided

Have your say

Comment on the council's siteDocuments (9)

About this application

This is an outline application for a single storey rear extension at 55 Rupert Avenue High Wycombe Buckinghamshire HP12 3NF. Buckinghamshire has handled 827 applications of this type. It has been with the council since 16 October 2025 and is still awaiting a decision. There are no previous applications recorded at this address. In the past year there have been 161 applications across Abbey. We hold 725 applications in total for the HP12 postcode area.

73% of outline applications at Buckinghamshire Council 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
HP12 3NF
Application type
Certificate of Lawful Use - Proposed
Scale / size
Small
Parish
High Wycombe Unparished Area

Planning application dates

Date validated
16 October 2025

Applicant and agent

Agent
Oxbridge Design
Agent address
Tudor Cottage 114 High Street Chalgrove OX44 7ST United Kingdom

Planning decision

Statutory period
56 days

Additional information

Documents
9

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (24)

flood storage areas, conservation areas, listed buildings, Article 4 directions, 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: Buckinghamshire

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