15 Chalcot Square London Camden NW1 8YA

1. 22 Jul 2026

   Added to PlanIndex

2. Decision

   Awaiting decision

   The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

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

2 later applications on the register refer to this one:

• 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
• 2026/2034/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

This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided heritage and listed building applications in a median of 55 days. More in our guide to how long planning decisions take.

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.

• 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 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

• 15 Chalcot Square London NW1 8YA

  2026/2034/L Submitted 19 May 2026 0m away

  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."

  Granted Heritage and listed buildings Extension 7 docs
  Small domestic

• 2026/3332/L Granted

  82 Hampstead High Street London Camden NW3 1RE

  Replacement chimney pots & chimney repairs.

  5 Aug 2026 Heritage and listed buildings
• 2026/3162/L Granted

  48 Monmouth Street London WC2H 9EP

  Repainting works to shopfront and projecting sign bracket and display of 1 x non-illuminated fascia sign and 1 x non-illuminated replacement projecting sign.

  27 Jul 2026 Heritage and listed buildings
• 2026/3964/L Awaiting decision

  3 Gainsborough Gardens London NW3 1BJ

  Reorganisation of the front garden

  14 Sep 2026 Heritage and listed buildings
• 2026/3052/L Refused

  128 St Pancras Way London NW1 9NB

  Erection of rear extension and internal alterations.

  17 Jul 2026 Heritage and listed buildings
• 2026/3142/L Granted

  The British Museum Great Russell Street London WC1B 3DG

  Installation of metal gate in place of approved replacement brick wall on northern boundary between nos. 11 Montague Street & 43 Russell Square.

  24 Jul 2026 Heritage and listed buildings