Skip to content
PlanIndex Get alerts
Menu

Planning application

Flat 4 4 St Stephen's Gardens London W2 5QX

Awaiting decision Westminster 25/09107/FULL Full Planning Permission Application

Works: Extension Loft or dormer Roofing

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

Proposal

Removal of existing butterfly roof, Raising of existing party walls for loft extension structure, Erection of a mansard roof extension to create open plan living and kitchen space, New roof terrace behind the front parapet, New rooflight over the stair.

As published by the council, reference 25/09107/FULL

Application record

Reference
25/09107/FULL
Type
Full Planning Permission Application
Status
Pending
Received
17 Dec 2025
Validated
17 Dec 2025
Ward
Bayswater
Postcode
W2 5QX

Timeline

Dates from the published record

  1. 17 Dec 2025

    Received by Westminster

  2. 20 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 11 February 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.

Who's behind it

Company information only, from the register and Companies House

Bolton Chalklin Architects Agent, an architecture practice registered in London

Active · incorporated 2013 · London

8 applications on PlanIndex · across 6 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

23 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

  • Development Site At 1-9 St Stephen's Gardens London W2 5RY

    08/02924/CAC Submitted 1 Apr 2008 50 yards away

    Storage shed at the back of the property including partial demolition and rebuilding of rear area retaining walls and steps.

    Withdrawn Heritage and listed buildings Demolition 2 docs
    Small domestic

  • Development Site At 1-9 St Stephen's Gardens London W2 5RY

    08/02923/FULL Submitted 1 Apr 2008 50 yards away

    Erection of single storey sheds with sedum green roofs to the rear of 5, 7 and 9 St. Stephen's Gardens at lower ground floor level for use as ancillary residential storage with associated alterations to rear garden boundary walls and lower ground floor retaining walls and steps.

    Refused Full applications 13 docs
    Small domestic

  • 5 St Stephen's Gardens London W2 5RY

    05/06368/FULL Submitted 5 Aug 2005 50 yards away

    Construction of two timber storage sheds in rear garden of Nos. 5-7 and reinstatement of garden boundary wall.

    Granted Full applications 4 docs
    Small domestic

  • 1-5 St Stephen's Gardens London W2 5RY

    12/03919/FULL Submitted 11 Apr 2012 50 yards away

    Installation of pitched roof to replace butterfly roofs and associated alterations including eight rooflights and two access hatches.

    Refused Full applications Loft or dormer 8 docs

  • 1-9 St Stephen's Gardens London W2 5RY

    10/06007/ADFULL Submitted 15 Jul 2010 50 yards away

    Details of the depth and methods to be used to dig the foundations for the sheds, boundary wall and associated decking and paving pursuant to Condition 5 of planning permission dated 28 January 2010 (RN:09/06712).

    Granted Full applications 4 docs
    Small domestic

  • 7 St Stephen's Gardens London W2 5RY

    10/05026/CAC Submitted 9 Jun 2010 50 yards away

    Demolition associated with the erection of two extensions to existing basements flats (No's 7 and 9 St. Stephen's Gardens).

    Decided Heritage and listed buildings New dwelling Extension +1 3 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