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100-101 Ashmill Street London NW1 6RA

10/04457/LBCListed Building Consent ApplicationRefused
Listed building consent

Refused on 30 November 2010

Council decision: Application RefusedDelegated (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

Retention of nine air conditioning units to rear elevation and at roof level.

Received
21 May 2010
Decision level
Delegated (officer decision)
Ward
Church Street
Agent
Design With Altitude
  1. Received21 May
  2. Validated8 Oct
  3. Consult.
  4. Target3 Dec
  5. Decided30 Nov

Decided in 53 days (council typically 49)

About this application

This is a heritage application at 100-101 Ashmill Street London NW1 6RA. Westminster has handled 2,677 applications of this type. This one was decided in 193 days, 21 weeks longer than Westminster's typical decision time. The site is in the Lisson Grove conservation area, with 3 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 33 applications across Church Street. We hold 3,180 applications in total for the NW1 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
NW1 6RA
Application type
Listed Building Consent Application
Scale / size
Small

Planning application dates

Date validated
8 October 2010
Consultation expiry
3 September 2010
Target decision date
3 December 2010
Committee meeting
30 November 2010

Applicant and agent

Agent
Design With Altitude
Agent address
La Combe Samoens Haute-Savoie France 74340

Planning decision

Statutory period
56 days

Publicity

Last advertised
13 August 2010
Advertisement expiry
3 September 2010

Additional information

Comments
0
Documents
2

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Lisson Grove
  • Listed building: Grade II: 99-101, Ashmill Street Nw1On or next to this site
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Brownfield land register: Tresco House Lisson Grove NW1Register site at or near this address
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)

flood storage 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 and heritage coasts.

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. 2010
    21 May

    Retention of nine air conditioning units to rear elevation and at roof level.

    RefusedApplication for full Planning PermissionFiled alongside10/04456/FULL
  2. 2010
    21 May

    Retention of nine air conditioning units to rear elevation and at roof level.

    This applicationRefusedListed building consent10/04457/LBC

Source: Westminster

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

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