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Planning application

2026/2298/L

15 Chalcot Square London NW1 8YA

Awaiting decision Camden Approval of Details (Listed Building)

Proposal

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

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

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

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

What happens while it is decided

The process from here

This application is with Camden for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About heritage and listed buildings applications

How this application type works

Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.

More on heritage and listed buildings applications in our guide

Nearby applications

Within 500 metres

  • 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

    5 Jun 2026 0m away Reserved matters
  • 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).

    2 Sep 2025 0m away Householder
  • 2025/2372/L Awaiting decision

    15 Chalcot Square London Camden NW1 8YA

    Single storey rear extension and associated internal

    0m away Heritage and listed buildings
  • 2017/4550/T Granted

    15 Chalcot Square London NW1 8YA

    (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

    24 Aug 2017 0m away Trees
  • 2026/2034/L 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.

    19 May 2026 0m away Heritage and listed buildings
  • 2025/2225/P Awaiting decision

    15 Chalcot Square London NW1 8YA

    Single storey rear extension at lower ground floor

    0m away Full applications

In Camden

  • 2026/3248/L Awaiting decision

    15 Eton Villas London NW3 4SG

    Single storey rear extension, internal reconfigurations, installation of double-glazed windows and doors, new air-conditioning units, landscaping to rear garden and erection of outbuilding amongst other alterations to the property.

    30 Jul 2026 Heritage and listed buildings
  • 2026/3213/L Awaiting decision

    51, 53, 55, 57 Lamb's Conduit Street London Camden WC1N 3NB

    Installation of gas infrastructure including an external gas riser, associated pipework, and internal alterations comprising the relocation of gas meters and associated connections

    29 Jul 2026 Heritage and listed buildings
  • 2026/2318/L Granted

    90 Frognal London NW3 6XB

    Structural strengthening of underground vault and underpinning of northern side of ground-floor boot room.

    5 Jun 2026 Heritage and listed buildings
  • 2026/2136/L Granted

    45 Downshire Hill London NW3 1NU

    Proposed repair and replacement of front elevation windows with matching single glazed timber sash units. Replacement modern French doors in slim-profile double glazing. Rear windows retained, and repaired as required.

    26 May 2026 Heritage and listed buildings
  • 2026/2122/L Granted

    6 Royal College Street London NW1 0TH

    Various internal and external changes, including replacement and alteration to timber windows, adjustments to internal layout, installation of fire-rated doors and emergency lighting, relocation and rearrangement of bathroom and kitchen (retrospective).

    26 May 2026 Heritage and listed buildings