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9 Ashbridge Street London NW8 8DH

20/07117/LBCListed Building Consent ApplicationApproved
Listed building consent

Approved on 2 July 2021

Council decision: Application PermittedDelegated (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

Excavation to extend existing basement; open front lightwell with associated new stair; erection of rear infill extension at first and second floor levels to house staircase; installation of replacement rear conservatory skylight; installation of sliding glazed roof to enclose rear courtyard; associated internal alterations. (Linked to 20/07116/FULL)

Received
9 November 2020
Decision level
Delegated (officer decision)
Public comments
2
Ward
Church Street
Agent
Ian Wylie Architects
  1. Received9 Nov
  2. Validated11 Nov
  3. Consult.
  4. Target6 Jan
  5. Decided2 Jul

Decided in 233 days (council typically 49)

About this application

This is a heritage application for a conservatory at 9 Ashbridge Street London NW8 8DH. Westminster has handled 2,677 applications of this type. This one was decided in 235 days, 27 weeks longer than Westminster's typical decision time. The site is in 3 listed buildings nearby. There have been 5 other applications at this address. In the past year there have been 33 applications across Church Street. We hold 2,758 applications in total for the NW8 postcode area.

93% of heritage applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 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
NW8 8DH
Application type
Listed Building Consent Application
Scale / size
Small

Planning application dates

Date validated
11 November 2020
Consultation expiry
16 December 2020
Target decision date
6 January 2021

Applicant and agent

Agent
Ian Wylie Architects
Architect profile
IAN WYLIE ARCHITECTS LTD
Agent address
17 Nottingham Street London W1U 5EW

Planning decision

Statutory period
56 days

Publicity

Last advertised
25 November 2020
Advertisement expiry
16 December 2020

Additional information

Planning Portal ID
PP-09229555
Documents
19

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Listed building: Grade II: Exeter Arms Public HouseOn or next to this site
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage areas, conservation 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.

Associated applications

  1. 2020
    9 Nov

    Excavation to extend existing basement; open front lightwell with associated new stair; erection of rear…

    ApprovedApplication for full Planning PermissionPart of20/07116/FULL
  2. 2020
    9 Nov

    Excavation to extend existing basement; open front lightwell with associated new stair; erection of rear…

    This applicationApprovedListed building consent20/07117/LBC

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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