15 Chalcot Square London NW1 8YA

This site has had 16 applications since 2016: 10 approved, 0 refused.

• 2026/2298/L Awaiting decision

  15 Chalcot Square London NW1 8YA

  Approval of Details for part condition 4(E) (Slates and ridge tiles) of Listed Building Consent; 2025/2386/L "Internal and external alterations including reconfiguration of internal spaces; restoration works across all floors; replacement of rear terrace, balustrade and external staircase; installation of acoustic enclosure for air source heat pump in rear garden; replacement of windows and rooflights; roof repairs; and installation of underfloor heating ", granted on 02/09/2025

  Submitted 5 Jun 2026 Heritage and listed buildings
• 2026/2298/P Awaiting decision

  15 Chalcot Square London NW1 8YA

  Approval of Details (Condition 4E) of Listed Building Consent; 2025/2386/L "Internal and external alterations including reconfiguration of internal spaces; restoration works across all floors; replacement of rear terrace, balustrade and external staircase; installation of acoustic enclosure for air source heat pump in rear garden; replacement of windows and rooflights; roof repairs; and installation of underfloor heating ", granted on 02/09/2025

  Submitted 5 Jun 2026 Reserved matters
• 2026/2111/L Awaiting decision

  15 Chalcot Square London NW1 8YA

  Approval of Details Pursuant to Condition 4 (Detailed Drawings and Materials) of Listed Building Consent Ref: 2025/2386/L dated 02/09/2025. "Proposal: Internal and external alterations including reconfiguration of internal spaces; restoration works across all floors; replacement of rear terrace, balustrade and external staircase; installation of acoustic enclosure for air source heat pump in rear garden; replacement of windows and rooflights; roof repairs; and installation of underfloor heating."

  Submitted 22 May 2026 Heritage and listed buildings
• 2026/2034/L Granted

  15 Chalcot Square London NW1 8YA

  Details pursuant to Condition 4(a) (joinery) and 4(b) (terrace railings and external staircase) of Listed Building Consent 2025/2372/L, dated 29/09/2025, for the "Single storey rear extension and associated internal alterations. Enlargement of upper ground floor terrace."

  Decided 4 Sep 2026 Heritage and listed buildings
• 2026/2033/P Granted

  15 Chalcot Square London NW1 8YA

  Details pursuant to Condition 4 (Tree protection details) of planning permission 2025/2225/P granted on 25/09/2025 "Single storey rear extension at lower ground floor and enlargement of upper ground floor terrace"

  Decided 23 Jul 2026 Full applications
• 2026/2034/P Awaiting decision

  15 Chalcot Square London NW1 8YA

  Details pursuant to part-discharge Condition 4 of Listed Building Consent 2025/2372/L, granted 29.09.2025, for a "Single storey rear extension and associated internal alterations. Enlargement of upper ground floor terrace." Namely to discharge Condition 4 a) Details including elevations and sections at 1:10 of all new joinery including internal and external doors; and, b) Elevation and section drawings at 1:10 of the new terrace railings and external staircase.

  Submitted 19 May 2026 Full applications
• 2026/0554/P Granted

  15 Chalcot Square London NW1 8YA

  Details of Condition 8 (Materials of ASHP enclosure) of planning permission 2025/2117/P, granted on 02/09/2025 for: Replacement of the rear terrace, railings, external staircase, and internal alterations; the replacement of existing windows and doors throughout; replacement of existing rooflights to the rear roof; and an acoustic enclosure in the rear garden to house an air source heat pump (ASHP).

  Decided 11 Feb 2026 Full applications
• 2025/5156/P Granted

  15 Chalcot Square London NW1 8YA

  Details of condition 4 (Tree Protection Plan) of planning permission 2025/2225/P dated 25/09/2025 for 'Single storey rear extension at lower ground floor and enlargement of upper ground floor terrace'

  Decided 13 Jan 2026 Full applications
• 2025/5106/P Granted

  15 Chalcot Square London NW1 8YA

  Details of Conditions 6 (ASHP Living Roof) and 8(a) (Materials of ASHP enclosure) of planning permission 2025/2117/P, granted on 02/09/2025 for: Replacement of the rear terrace, railings, external staircase, and internal alterations; the replacement of existing windows and doors throughout; replacement of existing rooflights to the rear roof; and an acoustic enclosure in the rear garden to house an air source heat pump (ASHP).

  Decided 22 Jan 2026 Full applications
• 25-00150-HAPP Granted

  15 Chalcot Square London NW1 8YA

  Replacement of the rear terrace, railings, external staircase, and internal alterations; the replacement of existing windows and doors throughout; replacement of existing rooflights to the rear roof; and an acoustic enclosure in the rear garden to house an air source heat pump (ASHP).

  Decided 2 Sep 2025 Householder

1. 22 May 2026

   Received by Camden

2. 29 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 24 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Camden took a median of 42 days over the applications it decided in the last year.

• 2025/2386/L Granted

  15 Chalcot Square London NW1 8YA

  Internal and external alterations including reconfiguration of internal spaces; restoration works across all floors; replacement of rear terrace, balustrade and external staircase; installation of acoustic enclosure for air source heat pump in rear garden; replacement of windows and rooflights; roof repairs; and installation of underfloor heating.

  Decided 2 Sep 2025 Heritage and listed buildings

This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided full applications in a median of 56 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 15 Chalcot Square London NW1 8YA

  2026/2298/L Submitted 5 Jun 2026 0m away

  96% historically approved · decision due ~6 Aug

  Approval of Details for part condition 4(E) (Slates and ridge tiles) of Listed Building Consent; 2025/2386/L "Internal and external alterations including reconfiguration of internal spaces; restoration works across all floors; replacement of rear terrace, balustrade and external staircase; installation of acoustic enclosure for air source heat pump in rear garden; replacement of windows and rooflights; roof repairs; and installation of underfloor heating ", granted on 02/09/2025

  Awaiting decision Heritage and listed buildings Loft or dormer Windows or glazing 9 docs

• 15 Chalcot Square London NW1 8YA

  2026/2298/P Submitted 5 Jun 2026 0m away

  94% historically approved · decision due ~6 Aug

  Approval of Details (Condition 4E) of Listed Building Consent; 2025/2386/L "Internal and external alterations including reconfiguration of internal spaces; restoration works across all floors; replacement of rear terrace, balustrade and external staircase; installation of acoustic enclosure for air source heat pump in rear garden; replacement of windows and rooflights; roof repairs; and installation of underfloor heating ", granted on 02/09/2025

  Awaiting decision Reserved matters Loft or dormer Windows or glazing 9 docs

• 15 Chalcot Square London NW1 8YA

  25-00150-HAPP 0m away

  Replacement of the rear terrace, railings, external staircase, and internal alterations; the replacement of existing windows and doors throughout; replacement of existing rooflights to the rear roof; and an acoustic enclosure in the rear garden to house an air source heat pump (ASHP).

  Granted Householder Loft or dormer Windows or glazing
  Domestic

• 15 Chalcot Square London Camden NW1 8YA

  2025/2372/L 0m away

  96% historically approved

  Single storey rear extension and associated internal

  Awaiting decision Heritage and listed buildings Extension
  Small domestic

• 15 Chalcot Square London NW1 8YA

  2017/4550/T 0m away

  (TPO REF C67-T5) REAR GARDEN: 1 x Lime - Reduce crown by 30%, by approximately 3m over the crown, cut back limb extending ove rear gardens so it is within the crown of the tree and remove any dead or broken limbs

  Granted Trees

• 15 Chalcot Square London NW1 8YA

  2025/5106/P Submitted 11 Nov 2025 0m away

  Details of Conditions 6 (ASHP Living Roof) and 8(a) (Materials of ASHP enclosure) of planning permission 2025/2117/P, granted on 02/09/2025 for: Replacement of the rear terrace, railings, external staircase, and internal alterations; the replacement of existing windows and doors throughout; replacement of existing rooflights to the rear roof; and an acoustic enclosure in the rear garden to house an air source heat pump (ASHP).

  Granted Full applications Loft or dormer Windows or glazing 6 docs

• 2026/3898/P Awaiting decision

  98 Marchmont Street London WC1N 1AG

  Installation of a new kitchen extraction and ventilation system to the rear of the premises, including associated external ductwork, extraction plant and ancillary equipment.

  16 Sep 2026 Full applications
• 2026/2709/P Awaiting decision

  166A Camden Street London NW1 9PT

  Change of use from Use Class E to C3 Residential, demolition of existing store and office space, and erection of a three-bedroom dwellinghouse.

  16 Sep 2026 Full applications
• 2026/3994/P Awaiting decision

  Euston Tower 286 Euston Road London NW1 3DP

  Details to discharge Condition 23 (LUL Subculture) of planning reference 2023/5240/P dated 26/01/26 for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, caf?? and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.

  15 Sep 2026 Full applications
• 2026/3993/P Awaiting decision

  Euston Tower 286 Euston Road London NW1 3DP

  Details to discharge Condition 22 (LUL Infrastructure) of planning reference 2023/5240/P dated 26/01/26 for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, caf?? and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.

  15 Sep 2026 Full applications
• 2026/3861/P Awaiting decision

  Beaumont Court 1-45 College Grove London NW1 0RW

  Installation of condensors and minor alterations to elevations at lower floors.

  15 Sep 2026 Full applications