Skip to content
PlanIndex Get alerts
Menu

Planning application

15 Chalcot Square London NW1 8YA

Awaiting decision Camden 2026/2298/P Approval of Reserved Matters

Works: Loft or dormer Windows or glazing

Relates to 2025/2386/L

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

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

As published by the council, reference 2026/2298/P

Application record

Reference
2026/2298/P
Type
Approval of Reserved Matters
Status
Registered
Received
5 Jun 2026
Validated
11 Jun 2026
Ward
Primrose Hill
Postcode
NW1 8YA

Site history

Applications at this address on the Camden register

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
  • 2026/2111/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
  • 2026/2111/P 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 Full applications
  • 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

Timeline

Dates from the published record

  1. 5 Jun 2026

    Received by Camden

  2. 11 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 6 August 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.

Cases linked to this one on the register

  • 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

Documents

Plans, drawings, consultee responses and the officer's report

9 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What happens while it is decided

This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden's median decision took 42 days. More in our guide to how long planning decisions take.

About reserved matters applications

A reserved matters application fills in the detail held back from an earlier outline permission, judged against that permission rather than the principle of development. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 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

    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
  • 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

In Camden

  • 2026/3766/P Awaiting decision

    14 Cannon Place London Camden NW3 1EJ

    Discharge of ondition 4 E of listed buiding consent application 2023/4992/L relating to flooring in the ground floor kitchen and first floor.

    2 Sep 2026 Reserved matters
  • 2026/3701/P Awaiting decision

    North Bridge House Senior School 65 Rosslyn Hill London Camden NW3 5UD

    Details of condition 6 of planning permission ref. 2026/0919/P dated 19/06/2026 (for Installation of external flue and inlet louvre)

    28 Aug 2026 Reserved matters
  • 2026/3499/P Awaiting decision

    19 Charterhouse Street London EC1N 6RA

    Details pursuant to condition 3 a, b and c (Air Quality Monitoring Methodology - Locations and Periods) of of planning permission 2025/1683/P, granted subject to a legal agreement on 05/06/2026, for remodelling, refurbishment and extensions (including 3 additional storeys) of the existing building to provide Use Class E (commercial, retail/restaurant and jewellery workspace) and associated landscaping and facade works.

    14 Aug 2026 Reserved matters
  • 2026/3434/P Awaiting decision

    Christ Apostolic Church Highgate Road London NW5 1JY

    Proposed variation of Condition 4 (6 month implementation period) of Listed Building Consent 2020/1246/L, granted 20 May 2020 for ‘The removal, repair and reinstatement of two stained glass windows by William Wailes on the south wall of the nave, and repairs to stone surrounds.’ Namely to extend the implementation timeframe for the ongoing enforcement case by three years.

    11 Aug 2026 Reserved matters
  • 2026/3261/P Awaiting decision

    London Irish Centre 50-52 Camden Square London NW1 9XB

    Details to discharge Condition 24 (Air Quality Assessment Report) of planning permission ref. 2020/1481/P dated 17/05/24 for 'Redevelopment of site to provide new and reconfigured community centre and ancillary residential accommodation (Class D1/ D2) involving alterations to retained buildings at No's. 50, 51 and 52 Camden Square including replacement of two storey 'link' building; demolition of Murray Street and Murray Mews buildings and replacement with part-three / part-four storey building (plus basement level) with second and third floor terraces and new entrance; associated landscaping and cycle parking'.

    31 Jul 2026 Reserved matters