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Planning application

47 Weymouth Street London W1G 8NE

Granted Westminster 25/06502/LBC Listed Building Consent Application

Works: Extension

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

Proposal

Rear extension at basement level, alterations to rear flat roof areas and installation of a metal bridge and railings and other associated works in relation to the extension of the roof terrace at first floor level, internal alterations to each floor level

As published by the council, reference 25/06502/LBC

Application record

Reference
25/06502/LBC
Type
Listed Building Consent Application
Status
Decided
Decision
Application Permitted
Received
11 Sep 2025
Validated
11 Sep 2025
Decided
20 May 2026
Ward
Marylebone
Decision by
Delegated Decision
Postcode
W1G 8NE

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2025: 4 approved, 0 refused.

  • 25/06324/ADLBC Granted

    47 Weymouth Street London W1G 8NE

    Detailed drawings of metal bridge, railings and external window pursuant to condition 5 of listed building consent dated 4th April 2019(RN:18/08715/LBC).

    Decided 2 Oct 2025 Conditions
  • 25/06329/ADFULL Granted

    47 Weymouth Street London W1G 8NE

    Detailed drawings of metal bridge, railings and external window pursuant to condition 3 of planning permssion dated 7th December 2018 (RN:18/08716/FULL).

    Decided 2 Oct 2025 Full applications
  • 25/06331/NMA Granted

    47 Weymouth Street London W1G 8NE

    Amendments to planning permission dated 24th July 2018 (RN 18/01879/FULL) for the Rear extension at basement level and extension of the roof terrace at first floor level, use as a single family dwelling (C3 use class). NAMELY, Change from metal glazed screen to timber sash window to infill extension at lower ground floor, omission of timber panelling to rear roof terrace, replacement of concrete coping to rear terrace wall with new stone ones and amendment to metal bridge design. (Linked to 25/06502/LBC)

    Decided 19 Sep 2025 Amendments

Timeline

Dates from the published record

  1. 11 Sep 2025

    Received by Westminster

  2. 20 May 2026

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 25/06331/NMA Granted

    47 Weymouth Street London W1G 8NE

    Amendments to planning permission dated 24th July 2018 (RN 18/01879/FULL) for the Rear extension at basement level and extension of the roof terrace at first floor level, use as a single family dwelling (C3 use class). NAMELY, Change from metal glazed screen to timber sash window to infill extension at lower ground floor, omission of timber panelling to rear roof terrace, replacement of concrete coping to rear terrace wall with new stone ones and amendment to metal bridge design. (Linked to 25/06502/LBC)

    Decided 19 Sep 2025 Amendments

Who's behind it

Company information only, from the register and Companies House

IBLA Agent, registered in London

Active · incorporated 2000 · London

7 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

29 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.

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What this grant of permission means

Westminster granted permission on 20 May 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 heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 47 Weymouth Street London W1G 8NE

    25/06329/ADFULL Submitted 5 Sep 2025 0m away

    Detailed drawings of metal bridge, railings and external window pursuant to condition 3 of planning permssion dated 7th December 2018 (RN:18/08716/FULL).

    Granted Full applications Windows or glazing 6 docs

  • 47 Weymouth Street London W1G 8NE

    25/06324/ADLBC Submitted 5 Sep 2025 2m away

    Detailed drawings of metal bridge, railings and external window pursuant to condition 5 of listed building consent dated 4th April 2019(RN:18/08715/LBC).

    Granted Conditions Windows or glazing 6 docs

  • 47 Weymouth Street London W1G 8NE

    25/06331/NMA Submitted 5 Sep 2025 5m away

    Amendments to planning permission dated 24th July 2018 (RN 18/01879/FULL) for the Rear extension at basement level and extension of the roof terrace at first floor level, use as a single family dwelling (C3 use class). NAMELY, Change from metal glazed screen to timber sash window to infill extension at lower ground floor, omission of timber panelling to rear roof terrace, replacement of concrete coping to rear terrace wall with new stone ones and amendment to metal bridge design. (Linked to 25/06502/LBC)

    Granted Amendments Extension Windows or glazing 14 docs
    Domestic

  • 43 Weymouth Street London W1G 8NB

    25/09266/LBC Submitted 22 Dec 2025 18m away

    Partial demolition of rear roofslope and creation of a concealed roof terrace at rear second floor level. Installation of one rooflight, one external door and one repositioned window.

    Granted Heritage and listed buildings Loft or dormer Demolition +1 19 docs

  • 43 Weymouth Street London W1G 8NB

    25/09265/FULL Submitted 22 Dec 2025 19m away

    Partial demolition of rear roofslope and creation of a concealed roof terrace at rear second floor level. Installation of one rooflight, one external door and one repositioned window.

    Granted Full applications Loft or dormer Demolition +1 17 docs

  • 45 Wimpole Street London W1G 8SB

    26/01948/LBC Submitted 25 Mar 2026 26m away

    90% historically approved · decision due ~20 May

    Installation of emergency lighting above exit doors (internal side of door only)

    Awaiting decision Heritage and listed buildings 10 docs

In Westminster

  • 26/06250/LBC Awaiting decision

    53 Wimpole Street London W1G 8YH

    Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06249/FULL)

    11 Sep 2026 Heritage and listed buildings
  • 26/06203/LBC Awaiting decision

    106 Blandford Street London W1U 8AG

    Installation of two roof-mounted anchor posts. (Linked to 26/06202/FULL)

    10 Sep 2026 Heritage and listed buildings
  • 26/06187/LBC Awaiting decision

    4 Shepherd Market London W1J 7QB

    Installation of wall mounted highway street light on to the facade of 4 Shepherd Market.

    10 Sep 2026 Heritage and listed buildings
  • 26/06216/LBC Awaiting decision

    208 Regent Street London W1B 5BD

    Strip-out of existing, modern retail unit fixtures, fittings, stair and services, with retention of heritage and listed features, including shopfront and entrances, and ground floor ceiling details and features. Fit-out of new retail fittings, fixtures and services. Retention of shopfront with new 'like-for-like' signage and a new flag pole.

    10 Sep 2026 Heritage and listed buildings
  • 26/06176/LBC Awaiting decision

    46 Gloucester Place London W1U 8HG

    Installation of 1,100 mm high protective railings along the existing roof-level access walkway. (Linked to 26/06178/FULL)

    9 Sep 2026 Heritage and listed buildings