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Planning application

29 Queen Anne Street London W1G 9HU

Granted Westminster 25/04705/FULL Full Planning Permission Application

Works: Windows or glazing

Relates to 25/04706/LBC

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Replacement of a window on the rear elevation with a door. (Linked with 25/04706/LBC)

As published by the council, reference 25/04705/FULL

Application record

Reference
25/04705/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
9 Jul 2025
Validated
14 Jul 2025
Decided
24 Feb 2026
Ward
Marylebone
Decision by
Delegated Decision
Postcode
W1G 9HU

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • 25/04706/LBC Granted

    29 Queen Anne Street London W1G 9HU

    Replacement of a window on the rear elevation with a door and internal alterations, including installation of a slab and alterations to floor structure at lower ground floor level and installation of partions at second and third floor levels. (Linked with 25/04705/FULL)

    Decided 24 Feb 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 9 Jul 2025

    Received by Westminster

  2. 14 Jul 2025

    Validated

    Checked as complete and ready for consideration.

  3. 24 Feb 2026

    Decision issued: Application Permitted

  4. 29 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 25/04706/LBC Granted

    29 Queen Anne Street London W1G 9HU

    Replacement of a window on the rear elevation with a door and internal alterations, including installation of a slab and alterations to floor structure at lower ground floor level and installation of partions at second and third floor levels. (Linked with 25/04705/FULL)

    Decided 24 Feb 2026 Heritage and listed buildings

1 later application on the register refers to this one:

  • 25/04706/LBC Granted

    29 Queen Anne Street London W1G 9HU

    Replacement of a window on the rear elevation with a door and internal alterations, including installation of a slab and alterations to floor structure at lower ground floor level and installation of partions at second and third floor levels. (Linked with 25/04705/FULL)

    Decided 24 Feb 2026 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

Backyards Design Studios Ltd Agent, a design practice

8 applications on PlanIndex · across 3 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

50 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 this grant of permission means

Westminster granted permission on 24 February 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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

  • 29 Queen Anne Street London W1G 9HU

    25/04706/LBC Submitted 9 Jul 2025 50 yards away

    Replacement of a window on the rear elevation with a door and internal alterations, including installation of a slab and alterations to floor structure at lower ground floor level and installation of partions at second and third floor levels. (Linked with 25/04705/FULL)

    Granted Heritage and listed buildings Windows or glazing 50 docs

  • 14 Wigmore Place London W1U 2LX

    25/06648/LBC Submitted 17 Sep 2025 50 yards away

    Replacement of front entrance door; installation of insulation to external walls; removal of an existing partition between the lounge and kitchen and replacement of internal doors; installation of slim line glazing to existing windows; new window to the rear first floor; replacement of rooflight and strengthening works to the buildings structure. (Linked with 25/06647/FULL)

    Granted Heritage and listed buildings Loft or dormer Windows or glazing 24 docs

  • 14 Wigmore Place London W1U 2LX

    25/06647/FULL Submitted 17 Sep 2025 50 yards away

    Replacement of front entrance door; installation of insulation to external walls; removal of an existing partition between the lounge and kitchen and replacement of internal doors; installation of slim line glazing to existing windows; new window to the rear first floor; replacement of rooflight and strengthening works to the buildings structure. (Linked with 25/06648/LBC)

    Granted Full applications Loft or dormer Windows or glazing 23 docs

  • 23 Queen Anne Street London W1G 9HN

    26/00460/FULL Submitted 27 Jan 2026 50 yards away

    88% historically approved · decision due ~24 Mar

    Installation of photovoltaic panels (PV) at main roof level.

    Awaiting decision Full applications 14 docs

  • 30 Queen Anne Street London W1G 8HX

    25/05505/FULL Submitted 6 Aug 2025 50 yards away

    Erection of an infill extension at basement and ground floor level, Installation of a new dormer on top of the rear closet wing to facilitate a light overrun, erection of a single storey extension at first floor level to the rear of the property and installation of railing on the eastern boundary of the site to facilitate the use of flat roof at first floor level as a terrace. All to provide enhanced office accommodation (Class E)

    Refused Full applications Extension Loft or dormer 29 docs
    Small domestic

  • 37 Harley Street London W1G 8QG

    26/03517/FULL Submitted 28 May 2026 50 yards away

    88% historically approved · decision due ~23 Jul

    Installation of two air condenser units within acoustic enclosure to front lightwell. (Linked with 26/03518/LBC)

    Awaiting decision Full applications 8 docs

In Westminster

  • 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
  • 26/07508/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
  • 26/07470/FULL Awaiting decision

    12 Queen Anne's Gate London SW1H 9AA

    Excavation of single-storey basement. (Linked with 26/07471/LBC).

    Received 3 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07466/FULL Awaiting decision

    65 Albion Gate Albion Street W2 2LA

    Replacement of first-floor front elevation windows and balcony door with double-glazed steel-framed units.

    Received 3 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07460/FULL Awaiting decision

    1 Hanover Square London W1S 1HA

    Installation of new public art sculptures and seating; hard and soft landscaping; installation of an area of raised terrace decking on St George Street measuring 43m x 2.6m for the placing of tables, chairs and banquette benches in connection with restaurant use; and associated external alterations and enabling works.

    Received 3 Nov, published by the council 5 Nov 2026 Full applications