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Planning application

17 Alexander Street London W2 5NT

Awaiting decision Westminster 25/08229/FULL Full Planning Permission Application

Works: Extension Loft or dormer Windows or glazing

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

Proposal

Full width rear extension at lower ground floor; full height double glazed door and a new window across the lower ground floor elevation; new balcony spanning the width of the property at raised ground floor level at the rear, with a new stair from balcony to garden level; new glazed door within the closet wing rear elevation at raised ground floor; new glazed door to the terrace from the house at raised ground floor; new timber sash window within the closet wing; new railing and glazed door above closet wing at first floor - second floor half landing level; modifications to the mansard roof to accommodate photovoltaic panels and plant equipment; modifications to the front lightwell including replacement of the metal railings at ground floor and inclusion of a gate; new period detailed doors and windows to the lower ground front lightwell; and landscaping works to the rear garden.

As published by the council, reference 25/08229/FULL

Application record

Reference
25/08229/FULL
Type
Full Planning Permission Application
Status
Pending
Received
11 Nov 2025
Validated
11 Nov 2025
Ward
Bayswater
Postcode
W2 5NT

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2020: 1 approved, 0 refused.

  • 26/05491/FULL Awaiting decision

    17 Alexander Street London W2 5NT

    Installation of air source heat pump unit within the rear garden and ancillary works.

    Submitted 12 Aug 2026 Full applications
  • 26/05150/ADFULL Decided

    17 Alexander Street London W2 5NT

    Details of new railings pursuant to condition 6 of planning permission dated 04 June 2026 (RN: 25/08229/FULL)

    Submitted 30 Jul 2026
  • 20/08026/TCA Granted

    17 Alexander Street London W2 5NT

    T1 Cherry: crown reduce by 25%. Remove decayed branch over driveway.

    Decided 21 Dec 2020 Trees

Timeline

Dates from the published record

  1. 11 Nov 2025

    Received by Westminster

  2. 20 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 6 January 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 66 days over the applications it decided in the last year.

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 26/05150/ADFULL Decided

    17 Alexander Street London W2 5NT

    Details of new railings pursuant to condition 6 of planning permission dated 04 June 2026 (RN: 25/08229/FULL)

    Submitted 30 Jul 2026

Who's behind it

Company information only, from the register and Companies House

Atelier Gooch Ltd Agent, registered in London

Active · incorporated 2020 · London

10 applications on PlanIndex · across 5 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

47 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

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 91 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

  • 17 Alexander Street London W2 5NT

    20/08026/TCA Submitted 16 Dec 2020 50 yards away

    T1 Cherry: crown reduce by 25%. Remove decayed branch over driveway.

    Granted Trees 2 docs

  • 18 Alexander Street London W2 5NT

    25/09034/FULL Submitted 12 Dec 2025 50 yards away

    87% historically approved · decision due ~6 Feb

    Variation of condition 1 of planning permission dated 7th August 2025 (RN: 25/03483/FULL) for the Lower ground floor rear extension, ground floor glazed infill extension adjacent to the closet wing, with balcony and new staircase from balcony to garden level; closet wing extended vertically to create an additional storey, new sash windows to closet wing and replacement of dormer window with doors to rear mansard roof. Namely, Removal of the central masonry pier introduced during the determination of the original application

    Awaiting decision Full applications Extension Loft or dormer +1 11 docs

  • 18 Alexander Street London W2 5NT

    26/00025/FULL Submitted 5 Jan 2026 50 yards away

    Installation of 6no photovoltaic panels and an acoustic enclosure housing 2no condenser units on the roof.

    Refused Full applications 21 docs

  • 17 Alexander Street London W2 5NT

    26/05491/FULL Submitted 12 Aug 2026 50 yards away

    87% historically approved · decision due ~3 Nov

    Installation of air source heat pump unit within the rear garden and ancillary works.

    Awaiting decision Full applications

  • 17 Alexander Street London W2 5NT

    26/05150/ADFULL Submitted 30 Jul 2026 50 yards away

    89% historically approved · decision due ~24 Sep

    Details of new railings pursuant to condition 6 of planning permission dated 04 June 2026 (RN: 25/08229/FULL)

    Decided

  • 12 Sunderland Terrace London W2 5PA

    25/08583/FULL Submitted 24 Nov 2025 50 yards away

    Installation of an air conditioning outdoor unit to existing front roof patio behind existing parapet walls.

    Granted Full applications 21 docs

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