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Planning application

25/05672/LBC

12C Warrington Crescent London W9 1EL

Refused Westminster Listed Building Consent Application

Proposal

Demolition and reconfiguration of internal partitions; demolition and reconfiguration of internal stair connecting to mezzanine; demolition and reconfiguration of Mezzanine; demolition of existing joinery and fittings; demolition and reinstatement of existing decorative features, such as timber and plaster mouldings; using the existing timber frames of the external doors and windows, replace the single glazing with slim line double-glazing; introduce, currently absent, fire stopping measures to the doors, walls, ceilings and floor; and introduction of a small brick vent in the rear facade to allow for mechanical ventilation of the bathroom. (Linked with 25/05671/FULL)

As published by the council, reference 25/05672/LBC

Timeline

Dates from the published record

  1. 13 Aug 2025

    Received by Westminster

  2. 26 Aug 2025

    Validated

    Checked as complete and ready for consideration.

  3. 7 Oct 2025

    Decision issued: Application Refused

  4. 21 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

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

  • 25/07985/FULL Awaiting decision

    12C Warrington Crescent London W9 1EL

    Replacement of front facade window glazing within exiting timber frames with slim line double-glazing (installing new putty). Internal alterations. (Linked with 25/07986/LBC)

    4 Nov 2025 0m away Full applications
  • 25/07986/LBC Awaiting decision

    12C Warrington Crescent London W9 1EL

    Replacement of front facade window glazing within exiting timber frames with slim line double-glazing (installing new putty). Internal alterations including demolition and reconfiguration of internal partitions; demolition and reconfiguration of internal stair connecting to mezzanine; demolition and reconfiguration of Mezzanine; demolition of existing joinery and fittings; and introduction of fire stopping measures to the doors, walls, ceilings. (Linked with 25/07985/FULL)

    4 Nov 2025 0m away Heritage and listed buildings
  • 25/06006/LBC Awaiting decision

    12A Warrington Crescent London W9 1EL

    Replacement of existing two front lightwell sash windows with matching double-glazed sash windows made of white painted timber. (Linked with 25/06005/FULL)

    22 Aug 2025 0m away Heritage and listed buildings
  • 25/06005/FULL Awaiting decision

    12A Warrington Crescent London W9 1EL

    Replacement of existing two front lightwell sash windows with matching double-glazed sash windows made of white painted timber. (Linked with 25/06006/LBC)

    22 Aug 2025 0m away Full applications
  • 25/05671/FULL Granted

    12C Warrington Crescent London W9 1EL

    Replace the single glazing with slim line double-glazing; and introduction of a small brick vent in the rear facade to allow for mechanical ventilation of the bathroom. (Linked with 25/05672/LBC)

    13 Aug 2025 0m away Full applications
  • 25/05997/LBC Awaiting decision

    12A Warrington Crescent London W9 1EL

    Replacement of two rear elevation windows and doors. Internal works to include waterproofing on all walls up to 1.2m, the removal of all flooring including screed, repair failed waterproofing, reinstate floor with acoustic treatment (to isolate noise from underground trains), underfloor heating and then to reinstate existing skirting; replacement of all joinery will be replaced, works to lighting. (Linked to 25/05996/FULL)

    22 Aug 2025 1m away Heritage and listed buildings

In Westminster

  • 26/04984/LBC Awaiting decision

    47G Randolph Avenue London W9 1BQ

    Installation of replacement fire surround.

    24 Jul 2026 Heritage and listed buildings
  • 26/04997/LBC Awaiting decision

    Hanover Lodge Outer Circle Regent's Park London NW1 4HB

    Erection of a morning room side extension. (Linked to 26/04996/FULL)

    24 Jul 2026 Heritage and listed buildings
  • 26/04979/LBC Awaiting decision

    12 Brewer Street London W1F 0SF

    Internal alterations including removal of internal enclosures; Replacement flooring, shelving and slatwall systems, staircase handrail repair and other associated joinery works.

    24 Jul 2026 Heritage and listed buildings
  • 26/04987/LBC Awaiting decision

    Basement And Ground Floor 8 Ganton Street London W1F 7QL

    Repainting of the existing timber shopfront, hand-painted fascia lettering, installation of a new hanging sign using the existing projecting sign bracket, and installation of a discreet fascia-mounted LED trough light.

    24 Jul 2026 Heritage and listed buildings
  • 26/04995/LBC Awaiting decision

    Hanover Lodge Outer Circle Regent's Park London NW1 4HB

    Erection of rear conservatory extensions and an entrance loggia to side with roof terrace above, together with associated landscaping and alterations. (Linked with 26/04994/FULL)

    24 Jul 2026 Heritage and listed buildings