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Planning application

13 Chalcot Square London NW1 8YA

Granted Camden 2010/1152/L Heritage and listed buildings

Works: Extension

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Excavation of front extension to basement level residential flat (Class C3). including associated internal works at basement and ground floor levels.

As published by the council, reference 2010/1152/L

Application record

Reference
2010/1152/L
Category
Heritage and listed buildings
Status
Final Decision
Decision
Granted
Decided
13 May 2010
Postcode
NW1 8YA

Site history

Applications at this address on the Camden register

This site has had 9 applications since 2010: 7 approved, 2 refused.

  • 2013/5964/L Granted

    13 Chalcot Square London NW1 8YA

    Details pursuant to conditions 2 (detailing) & 3 (structural engineering) of listed building consent 2010/1149/L dated 22/06/2010 (Internal alterations associated with the conversion of two existing residential flats at first, second and third floor levels to provide a single five bedroom maisonette).

    Decided 26 Feb 2014 Heritage and listed buildings
  • 2013/1946/L Granted

    13 Chalcot Square London NW1 8YA

    Erection of lower ground floor rear extension, installation of new windows to the rear elevation at lower ground and ground floor level and replacement of double doors and Juliet balcony with window at first floor level together with alterations to the internal layout (Class C3).

    Decided 2 Sep 2013 Heritage and listed buildings
  • 2013/1394/P Granted

    13 Chalcot Square London NW1 8YA

    Erection of lower ground floor rear extension, installation of new windows to the rear elevation at lower ground and ground floor level and replacement of double doors and Juliet balcony with window at first floor level together with alterations to the internal layout (Class C3).

    Decided 2 Sep 2013 Full applications
  • 2013/1942/L Refused

    13 Chalcot Square London NW1 8YA

    External and internal alterations associated with erection of single storey rear extension at first floor level, replacement of Juliet balcony with window and alterations to existing rear windows at ground and first floor level to residential flat (Class C3).

    Decided 9 Aug 2013 Heritage and listed buildings
  • 2013/1393/P Refused

    13 Chalcot Square London NW1 8YA

    Single storey rear extension at first floor level, replacement of Juliet balcony with window and alterations to existing rear windows at ground and first floor level to residential flat (Class C3).

    Decided 9 Aug 2013 Full applications
  • 2010/1149/L Granted

    13 Chalcot Square London NW1 8YA

    Internal alterations associated with the conversion of two existing residential flats at first, second and third floor levels to provide a single five bedroom maisonette.

    Decided 22 Jun 2010 Heritage and listed buildings
  • 2010/1145/P Granted

    13 Chalcot Square London NW1 8YA

    Change of use and conversion of two existing residential flats (class C3) at first, second and third floor levels to provide a five bedroom maisonette (class C3).

    Decided 22 Jun 2010 Full applications
  • 2010/1147/P Granted

    13 Chalcot Square London NW1 8YA

    Excavation of front extension to basement level residential flat (Class C3).

    Decided 13 May 2010 Full applications

Timeline

Dates from the published record

  1. 13 May 2010

    Decision issued: Granted

  2. 22 Jul 2026

    Added to PlanIndex

What this grant of permission means

Camden granted permission on 13 May 2010, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • Maisonette Ground 1st 2nd And 3rd Floor 13 Chalcot Square London NW1 8YA

    2026/1086/L Submitted 12 Mar 2026 50 yards away

    Repair of unoriginal windows with new double glazed panes, replacement of windows with new heritage detailed timber framed double glazed units, one new window to the rear facade, alterations to the internal layout of the property, refurbishment of the floor and wall finishes and restoration works to the front and rear facades and front forecourt.

    Granted Heritage and listed buildings Windows or glazing 2 docs

  • 13 Chalcot Square London NW1 8YA

    2013/1946/L 50 yards away

    Erection of lower ground floor rear extension, installation of new windows to the rear elevation at lower ground and ground floor level and replacement of double doors and Juliet balcony with window at first floor level together with alterations to the internal layout (Class C3).

    Granted Heritage and listed buildings Extension Windows or glazing

  • 13 Chalcot Square London NW1 8YA

    2010/1147/P 50 yards away

    Excavation of front extension to basement level residential flat (Class C3).

    Granted Full applications Extension

  • 13 Chalcot Square London NW1 8YA

    2013/1942/L 50 yards away

    External and internal alterations associated with erection of single storey rear extension at first floor level, replacement of Juliet balcony with window and alterations to existing rear windows at ground and first floor level to residential flat (Class C3).

    Refused Heritage and listed buildings Extension Windows or glazing
    Small domestic

  • 13 Chalcot Square London NW1 8YA

    2013/5964/L 50 yards away

    Details pursuant to conditions 2 (detailing) & 3 (structural engineering) of listed building consent 2010/1149/L dated 22/06/2010 (Internal alterations associated with the conversion of two existing residential flats at first, second and third floor levels to provide a single five bedroom maisonette).

    Granted Heritage and listed buildings New dwelling

  • 13 Chalcot Square London NW1 8YA

    2013/1393/P 50 yards away

    Single storey rear extension at first floor level, replacement of Juliet balcony with window and alterations to existing rear windows at ground and first floor level to residential flat (Class C3).

    Refused Full applications Extension Windows or glazing
    Small domestic

In Camden

  • 2026/3449/L Awaiting decision

    Alexandra & Ainsworth TRA Hall 100 Rowley Way London NW8 0SW

    Reconstuction of roof loggia and roof lantern drainage channel pursuant to planning permission ref 2023/3413/P and listed building consent ref 2023/4012/L granted on 18/12/2024, for various works of roof repair and replacement.

    Received 18 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
  • 2026/3087/L Granted

    205 Albany Street London NW1 4AB

    Installation of a free standing air source heat pump in the rear courtyard. Installation of an innovative, thin and flexible PV panels to the flat section of the roof

    Received 21 Jul, published by the council 24 Jul 2026 Heritage and listed buildings
  • 2026/4003/L Awaiting decision

    10 Sicilian Avenue London Camden WC1A 2QH

    Internal alterations to ground floor and basement level, including new partitions and mechanical ventillation.

    Received 16 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
  • 2026/4002/L Awaiting decision

    Flat A 4 Rowley Way London NW8 0SF

    Internal refurbishment including replacement of non-original kitchen and bathroom fittings, repair and refinishing of original internal timber joinery, replacement of floor finishes and internal redecoration.

    Received 16 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
  • 2026/3990/L Awaiting decision

    Unison Centre 130 Euston Road London Camden NW1 2AY

    Repair and refurbishment works.

    Received 15 Sep, published by the council 21 Sep 2026 Heritage and listed buildings