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Planning application

128 Piccadilly London W1J 7PY

Decided Westminster 26/04489/FULL Full applications

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Relates to 26/04490/LBC

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Erection of a single storey extension at 4th floor level facilitating link between existing bedrooms and internal alterations to door openings and alterations to existing structure to incorporate extension. (Linked with 26/04490/LBC)

As published by the council, reference 26/04489/FULL

Application record

Reference
26/04489/FULL
Category
Full applications
Status
Decided
Received
6 Jul 2026
Validated
10 Jul 2026
Ward
West End
Postcode
W1J 7PY

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026.

  • 26/04490/LBC Decided

    128 Piccadilly London W1J 7PY

    Erection of a single storey extension at 4th floor level facilitating link between existing bedrooms. and internal alterations to door openings and alterations to existing structure to incorporate extension. (Linked with 26/04490/LBC)

    Submitted 6 Jul 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 6 Jul 2026

    Received by Westminster

  2. 10 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jul 2026

    Added to PlanIndex

  4. 11 Sep 2026

    Status changed to Decided

    Previously Pending.

Cases linked to this one on the register

  • 26/04490/LBC Decided

    128 Piccadilly London W1J 7PY

    Erection of a single storey extension at 4th floor level facilitating link between existing bedrooms. and internal alterations to door openings and alterations to existing structure to incorporate extension. (Linked with 26/04490/LBC)

    Submitted 6 Jul 2026 Heritage and listed buildings

Documents

Plans, drawings, consultee responses and the officer's report

18 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

After the decision

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

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

  • 128 Piccadilly London W1J 7PY

    26/04490/LBC Submitted 6 Jul 2026 50 yards away

    90% historically approved · decision due ~4 Sep

    Erection of a single storey extension at 4th floor level facilitating link between existing bedrooms. and internal alterations to door openings and alterations to existing structure to incorporate extension. (Linked with 26/04490/LBC)

    Decided Heritage and listed buildings Extension 18 docs
    Small domestic

  • 4 Old Park Lane London W1K 1QW

    06/02453/ADFULL Submitted 30 Mar 2006 50 yards away

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

    Granted Full applications Windows or glazing 3 docs

  • 4 Old Park Lane London W1K 1QW

    06/02189/ADFULL Submitted 21 Mar 2006 50 yards away

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

    Granted Full applications 3 docs

  • 4 Old Park Lane London W1K 1QW

    08/02340/ADV Submitted 10 Mar 2008 50 yards away

    Display of a non-illuminated fascia sign.

    Decided Advertising 6 docs

  • 4 Old Park Lane London W1K 1QW

    05/03010/CAC Submitted 19 Apr 2005 50 yards away

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

    Decided Heritage and listed buildings Demolition 2 docs

  • 4 Old Park Lane London W1K 1QW

    05/03009/FULL Submitted 19 Apr 2005 50 yards away

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

    Granted Full applications Extension Windows or glazing 14 docs
    Small domestic

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront with Medication Dispensing Outlet.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06317/FULL Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications