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Planning application

05/03009/FULL

4 Old Park Lane London W1K 1QW

Granted Westminster Application for full Planning Permission

Proposal

Single storey roof extension for office purposes (Class B1), refurbishment including alterations to front and rear windows and re-cladding of side elevation.

As published by the council, reference 05/03009/FULL

Timeline

Dates from the published record

  1. 19 Apr 2005

    Received by Westminster

  2. 9 May 2005

    Validated

    Checked as complete and ready for consideration.

  3. 26 Jul 2005

    Decision issued: Application Permitted

  4. 29 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 06/02453/ADFULL Granted

    4 Old Park Lane London W1K 1QW

    Details of replacement windows to the Old Park Lane elevation pursuant to Condition 7 of planning permission dated 26 July 2005 (RN: 05/03009).

    30 Mar 2006 0m away Full applications
  • 06/02189/ADFULL Granted

    4 Old Park Lane London W1K 1QW

    Details of the northwest facing brickwork and quoins pursuant to Condition 5 of planning permission dated 26 July 2005 (RN: 05/03009).

    21 Mar 2006 0m away Full applications
  • 08/02340/ADV Decided

    4 Old Park Lane London W1K 1QW

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    10 Mar 2008 0m away Advertising
  • 05/03010/CAC Decided

    4 Old Park Lane London W1K 1QW

    Demolition of roof and chimneys; internal walls, stairs, ground floor and basement floor; and removal of painted render flank wall skin.

    19 Apr 2005 0m away Heritage and listed buildings
  • 06/02933/ADFULL Granted

    4 Old Park Lane London W1K 1QW

    Provision of a structural engineers report pursuant to Condition 8 of planning permission dated 26 July 2005 (RN 05/03009).

    18 Apr 2006 0m away Full applications
  • 26/04490/LBC Awaiting decision

    128 Piccadilly London W1J 7PY

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    6 Jul 2026 21m away Heritage and listed buildings

In Westminster

  • 26/04824/ADFULL Granted

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    20 Jul 2026 Full applications
  • 26/04829/ADFULL Granted

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    20 Jul 2026 Full applications
  • 26/04841/ADFULL Granted

    29 Henstridge Place London NW8 6QD

    Details of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 5 of planning permission dated 18th November 2025 (RN:25/06159).

    20 Jul 2026 Full applications
  • 26/04989/FULL Awaiting decision

    1 Kildare Terrace London W2 5JT

    Erection of a mansard roof extending over the main house and side wing, replacement lower ground rear extension with roof terrace above, lowering of lower ground floor slab, installation of an air source heat pump in rear garden, new front boundary treatment, and new second floor window on the north elevation.

    24 Jul 2026 Full applications
  • 26/04986/FULL Awaiting decision

    Inver Court Inverness Terrace London W2 6JB

    Replacement of combustible materials in the render facades; timber decking and plastic soffits/ fascias to terraces with non-combustible materials on the 5th and 6th floors.

    24 Jul 2026 Full applications