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Planning application

86 Fifth Avenue London W10 4DP

Awaiting decision Westminster 26/04182/LBC Heritage and listed buildings

Works: Extension Loft or dormer Windows or glazing

Relates to 26/00031/FULL

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

Proposal

Internal alterations. Making good of existing timber frame glass conservatory at the rear, new conservation rooflight in the ground floor rear projection roof, making good and upgrading single glazed timber sash windows with slimline double glazed panes on existing frames, new timber frame french doors at the ground floor rear projection, new window to side wall of ground floor rear projection, main door (linked with approved application 26/00031/FULL)

As published by the council, reference 26/04182/LBC

Application record

Reference
26/04182/LBC
Category
Heritage and listed buildings
Status
Pending
Received
24 Jun 2026
Validated
24 Jun 2026
Postcode
W10 4DP

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2026: 1 approved, 1 refused.

  • 26/00032/LBC Refused

    86 Fifth Avenue London W10 4DP

    Replacement of single glazing with double glazing, replacement of an existing uPvc window to a timber frame french door on the rear wall of the existing rear projection, reinstatement of window to side wall of rear projection, installation of conservation roof light to roof of rear projection, removal of two chimney breasts retaining the chimney stacks and internal alterations. (Linked to 26/00031/FULL)

    Decided 27 Apr 2026 Heritage and listed buildings
  • 26/00031/FULL Granted

    86 Fifth Avenue London W10 4DP

    Replacement of single glazing with double glazing, replacement of an existing uPvc window to a timber frame french door on the rear wall of the existing rear projection, reinstatement of window to side wall of rear projection, installation of conservation roof light to roof of rear projection, removal of two chimney breasts retaining the chimney stacks and internal alterations. (Linked to 26/00032/LBC)

    Decided 20 May 2026 Full applications

Timeline

Dates from the published record

  1. 24 Jun 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 19 August 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Westminster took a median of 91 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 26/00031/FULL Granted

    86 Fifth Avenue London W10 4DP

    Replacement of single glazing with double glazing, replacement of an existing uPvc window to a timber frame french door on the rear wall of the existing rear projection, reinstatement of window to side wall of rear projection, installation of conservation roof light to roof of rear projection, removal of two chimney breasts retaining the chimney stacks and internal alterations. (Linked to 26/00032/LBC)

    Decided 20 May 2026 Full applications

What happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 119 days. More in our guide to how long planning decisions take.

About heritage and listed building applications

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.

Nearby applications

Within 0.3 miles

  • Queens Park Avenues

    25/08173/LDO Submitted 10 Nov 2025 50 yards away

    The making of a Local Development Order (LDO) to allow the replacement of windows without the need for individual planning permissions where the windows accord with the designs included in the LDO.

    Granted Windows or glazing 18 docs

  • 86 Fifth Avenue London W10 4DP

    26/00032/LBC Submitted 5 Jan 2026 50 yards away

    Replacement of single glazing with double glazing, replacement of an existing uPvc window to a timber frame french door on the rear wall of the existing rear projection, reinstatement of window to side wall of rear projection, installation of conservation roof light to roof of rear projection, removal of two chimney breasts retaining the chimney stacks and internal alterations. (Linked to 26/00031/FULL)

    Refused Heritage and listed buildings Loft or dormer Windows or glazing 32 docs

  • 86 Fifth Avenue London W10 4DP

    26/00031/FULL Submitted 5 Jan 2026 50 yards away

    Replacement of single glazing with double glazing, replacement of an existing uPvc window to a timber frame french door on the rear wall of the existing rear projection, reinstatement of window to side wall of rear projection, installation of conservation roof light to roof of rear projection, removal of two chimney breasts retaining the chimney stacks and internal alterations. (Linked to 26/00032/LBC)

    Granted Full applications Loft or dormer Windows or glazing 34 docs

  • 92 Fifth Avenue London W10 4DP

    25/09206/FULL Submitted 19 Dec 2025 50 yards away

    88% historically approved · decision due ~30 Jun

    Replacement of existing timber sashes to front and rear elevations with new, slimline double-glazed timber sashes. (Linked to 25/09207/LBC)

    Awaiting decision Full applications Windows or glazing 26 docs

  • 92 Fifth Avenue London W10 4DP

    25/09207/LBC Submitted 19 Dec 2025 50 yards away

    90% historically approved · decision due ~30 Jun

    Replacement of existing timber sashes to front and rear elevations with new, slimline double-glazed timber sashes. (Linked to 25/09206/FULL)

    Awaiting decision Heritage and listed buildings Windows or glazing 20 docs

  • 72 Kilravock Street London W10 4HY

    25/05559/TCA Submitted 8 Aug 2025 100 yards away

    1 x False acacia (rear): fell

    Granted Trees 4 docs

In Westminster

  • 26/07529/LBC Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water supply pipe on rear courtyard elevation. (Linked with 26/07528/FULL)

    Received 5 Nov, published by the council 6 Nov 2026 Heritage and listed buildings
  • 26/07509/LBC Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07508/FULL)

    Received 4 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
  • 26/07473/LBC Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07472/FULL)

    Received 3 Nov, published by the council 6 Nov 2026 Heritage and listed buildings
  • 26/07471/LBC Awaiting decision

    12 Queen Anne's Gate London SW1H 9AA

    Excavation of single-storey basement, internal reconfiguration and installation of modern services. (Linked with 26/07470/FULL)

    Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
  • 26/07461/LBC Awaiting decision

    1 Savile Row London W1S 3JR

    Minor internal works comprising redecoration and upgrades to lighting, flooring and bathroom and kitchen facilities, together with external works including new lighting and signage.

    Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings