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13 Willow Avenue New Denham Buckinghamshire UB9 4AG

PL/26/03637/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 the proposed alterations and extension to roof to form rear dormer, demolition of garage and a detached outbuilding at rear garden

Received
1 May 2026
Decision due
26 June 2026
Decision level
Delegated (officer decision)
Ward
Gerrards Cross and Denham
  1. Received1 May
  2. Validated1 May
  3. Consult.
  4. Target26 Jun
  5. Decided

Have your say

Comment on the council's siteDocuments (8)

About this application

This is an outline application for demolition at 13 Willow Avenue New Denham Buckinghamshire UB9 4AG. Buckinghamshire has handled 827 applications of this type. It has been with the council since 1 May 2026 and is still awaiting a decision. There have been 2 other applications at this address. In the past year there have been 234 applications across Gerrards Cross and Denham. We hold 1,195 applications in total for the UB9 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
UB9 4AG
Application type
Certificate of Lawful Use - Proposed
Scale / size
Small
Parish
Denham Parish Council

Planning application dates

Date validated
1 May 2026

Applicant and agent

Agent
London Interiors
Architect profile
LONDON INTERIORS LTD
Agent address
Unit 8 Bowman Trading Estate Westmoreland Road Kingsbury NW9 9RL

Planning decision

Statutory period
56 days

Additional information

Documents
8

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)
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.

Associated applications

  1. 2026
    1 May

    Certificate of lawfulness for the proposed alterations and extension to roof to form rear dormer, demolition…

    This applicationPendingOutlinePL/26/03637/SA
  2. 2026
    27 Apr

    Notification under The Town and Country Planning (General Permitted Development) Order 2015, Part 1 of…

    PendingPrior Appr: Part 01 Class A-hse extFiled alongsidePL/26/03480/PNE

Source: Buckinghamshire

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For applicants and trades

Before the decision

You may need a flood risk assessment. Drainage & flood risk consultants near this site

The site is in flood zone 3 (Environment Agency).

See all drainage and flood risk consultants near Willowbank

Nearest first, within 25 miles of the site. Every firm is listed free.

Planning something similar?

See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.

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