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Planning application

128 Park Lane London W1K 7AE

Awaiting decision Westminster 26/05290/FULL Full applications

Works: Loft or dormer

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

Proposal

Replacement of the existing roof with a mansard roof structure to extend the accessible area into roof terrace with an improved entrance to the plant room.

As published by the council, reference 26/05290/FULL

Application record

Reference
26/05290/FULL
Category
Full applications
Status
Pending
Received
5 Aug 2026
Validated
28 Sep 2026
Postcode
W1K 7AE

Timeline

Dates from the published record

  1. 5 Aug 2026

    Received by Westminster

  2. 28 Sep 2026

    Validated

    Checked as complete and ready for consideration.

  3. 29 Sep 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 23 November 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.

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 full applications in a median of 119 days. More in our guide to how long planning decisions take.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 36 Green Street London W1K 7FH

    25/08865/FULL Submitted 5 Dec 2025 50 yards away

    Installation of an air-conditioning condenser to the rear of the main roof.

    Granted Full applications 34 docs
  • 138 Park Lane London W1K 7FF

    25/07067/LBC Submitted 1 Oct 2025 50 yards away

    Replacement glazing to the road-facing windows and entrance door within the existing frames/fixtures, and internal alterations to the lower ground and ground floor levels

    Granted Heritage and listed buildings Windows or glazing 17 docs
  • 17 Dunraven Street London W1K 7EG

    07/08453/FULL Submitted 26 Sep 2007 50 yards away

    Erection of new railing around lightwell at roof level in connection with use as a terrace.

    Granted Full applications 7 docs
  • 17 Dunraven Street London W1K 7EG

    07/07420/LBC Submitted 22 Aug 2007 50 yards away

    Erection of new railing around lightwell at roof level in connection with use as a terrace.

    Granted Heritage and listed buildings 2 docs
  • 17 Dunraven Street London W1K 7EG

    12/05865/NMA Submitted 8 Jun 2012 50 yards away

    Amendments to planning permission dated 28 October 2009 (RN:09/07182) for infilling of the rear courtyard at lower ground floor level with glazed access hatch at ground floor level, raising of side boundary walls with adjoining properties by approximately 0.8m Namely to infill of rear courtyard by 3m; removal of fixed rear lights and minor internal alterations to layout.

    Withdrawn Amendments Extension Windows or glazing 8 docs
  • 12 North Row London W1K 7DF

    25/07038/LBC Submitted 1 Oct 2025 50 yards away

    Installation of an external decked terrace and landscaping to the front of restaurant (retrospective). (Linked with 25/07037/FULL)

    Refused Heritage and listed buildings 13 docs

In Westminster

  • 26/07528/FULL Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 26/05200/FULL Decided

    1 The Court House 165 Seymour Place London W1H 4PU

    Installation of waterproofing system to the existing lead flat roofs

    Received 3 Aug, published by the council 28 Aug 2026 Full applications
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL 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 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications