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49-50 Chagford Street London NW1 6EB

08/02845/FULLApplication for full Planning PermissionRefused
Full

Refused on 10 June 2008

Council decision: Application RefusedDelegated (officer decision)

Approximate location: the centre of the postcode, not the exact property.

Proposal

Erection of mansard roof extension to create two self-contained flats.

Received
31 March 2008
Decision level
Delegated (officer decision)
Ward
Bryanston And Dorset Square
  1. Received31 Mar
  2. Validated16 Apr
  3. Consult.
  4. Target11 Jun
  5. Decided10 Jun

Decided in 55 days (council typically 49)

About this application

This is a full planning application for an extension at 49-50 Chagford Street London NW1 6EB. Westminster has handled 4,484 applications of this type. This one was decided in 71 days, 3 weeks longer than Westminster's typical decision time. The site is in the Dorset Square conservation area, with 4 listed buildings nearby. There have been 2 other applications at this address. We hold 3,180 applications in total for the NW1 postcode area.

86% of full 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 6EB
Application type
Application for full Planning Permission
Scale / size
Small

Planning application dates

Date validated
16 April 2008
Consultation expiry
16 May 2008
Target decision date
11 June 2008

Applicant and agent

Agent address
57 Chalton Street London NW1 1HY

Planning decision

Statutory period
56 days

Publicity

Last advertised
25 April 2008
Advertisement expiry
16 May 2008
Site notice start
22 April 2008
Site notice end
13 May 2008

Appeal

Appeal status
Appeal decided
Appeal result
Appeal Dismissed

Additional information

Planning Portal ID
PP-00405193
Comments
0
Documents
7

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Conservation area: Dorset Square
  • 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, listed buildings, 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. 2008
    31 Mar

    Erection of mansard roof extension to create two self-contained flats.

    This applicationRefusedFull08/02845/FULL
  2. 2008
    31 Mar

    Demolition of roof.

    WithdrawnConservation Area Consent Appl (CAC)Filed alongside08/02846/CAC

Source: Westminster

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

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