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15-16 Cornwall Terrace London NW1 4QP

20/07837/LBCListed Building Consent ApplicationApproved
Listed building consent

Approved on 28 September 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

Creation of a roof terrace to main roof level of no. 16, creation of access hatch to main roof level of no. 15, installation of plant and other equipment at roof level including part replacement of roof structure, lift overrun, replacement of rooflights to main roof level, and internal alterations including repositioning of lift, alterations to third floor level including works to ceiling to third floor level and new stairs from third floor to roof, internal servicing and installation of membrane to vault walls (linked to 20/07836/FULL).

Received
8 December 2020
Decision level
Delegated (officer decision)
Ward
Regent's Park
  1. Received8 Dec
  2. Validated8 Dec
  3. Consult.
  4. Target2 Feb
  5. Decided28 Sep

Decided in 294 days (council typically 49)

About this application

This is a heritage application at 15-16 Cornwall Terrace London NW1 4QP. Westminster has handled 2,677 applications of this type. This one was decided in 294 days, 35 weeks longer than Westminster's typical decision time. The site is in the Regent's Park conservation area, with 7 listed buildings nearby. There have been 3 other applications at this address. In the past year there have been 120 applications across Regent's Park. We hold 3,181 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 4QP
Application type
Listed Building Consent Application
Scale / size
Small

Planning application dates

Date validated
8 December 2020
Consultation expiry
6 January 2021
Target decision date
2 February 2021

Applicant and agent

Agent
Montagu Evans
Agent address
5 Bolton Street London W1J 8BA

Planning decision

Statutory period
56 days

Publicity

Last advertised
16 December 2020
Advertisement expiry
6 January 2021

Additional information

Planning Portal ID
PP-09287480
Comments
0
Documents
12

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Regent's Park
  • Listed building: Grade I: 1-21, Cornwall Terrace Nw1On this site · +7 more
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Registered park and garden: Regent'S ParkPart of the site
  • 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 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
    8 Dec

    Creation of a roof terrace to main roof level of no. 16, creation of access hatch to main roof level of no…

    ApprovedApplication for full Planning PermissionPart of20/07836/FULL
  2. 2020
    8 Dec

    Creation of a roof terrace to main roof level of no. 16, creation of access hatch to main roof level of no…

    This applicationApprovedListed building consent20/07837/LBC

Source: Westminster

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

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