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Planning application

4 Chester Street London SW1X 7BB

Granted Westminster 20/06906/FULL Full Planning Permission Application

Works: Extension Loft or dormer Windows or glazing

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

Proposal

Variation of Condition 1 of planning permission dated 31 Janurary 2017 (RN: 16/11228/FULL) for the: Construction of a full width extension at rear lower ground and half width extension at upper ground floor level ; replacement of timber steps to front lightwell with metal steps, new door to front lightwell and lowering part of the vaults floor; replacement of existing rooflight with larger frameless double-glazed rooflight and one new rooflight at main roof level; replacement of doors at rear upper ground floor with a new window; and external renovation and repair works. Namely, to allow the removal of low wall to the rear terrace at first-floor level and replace with black painted railings.

As published by the council, reference 20/06906/FULL

Application record

Reference
20/06906/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
30 Oct 2020
Validated
30 Oct 2020
Decided
3 Dec 2020
Ward
Knightsbridge And Belgravia
Decision by
Delegated Decision
Postcode
SW1X 7BB

Timeline

Dates from the published record

  1. 30 Oct 2020

    Received by Westminster

  2. 3 Dec 2020

    Decision issued: Application Permitted

  3. 4 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Clear Future Architecture Ltd. Agent, an architecture practice registered in Bristol

Active · incorporated 2011 · Bristol

12 applications on PlanIndex · across 4 councils · 100% granted

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Documents

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

13 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 3 December 2020, 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

  • 12 Chester Street London SW1X 7BB

    26/02886/LBC Submitted 1 May 2026 50 yards away

    90% historically approved · decision due ~26 Jun

    Replacement of existing rear extension at first, second and third with a new rear extension (first to third floor level) with flat roof. Erection of an extension at rear ground floor level. Removal of the existing kitchen rooflight and extension of existing terrace at first floor level. Replacement of existing windows and French doors with new; and alterations to French door width at rear first floor level.

    Awaiting decision Heritage and listed buildings Extension Loft or dormer +1 12 docs
  • 12 Chester Street London SW1X 7BB

    26/01507/FULL Submitted 9 Mar 2026 50 yards away

    88% historically approved · decision due ~4 May

    Variation of condition 1 of planning permission dated 24th July 2025 (RN 24/05883/FULL) for the Excavation of a new basement level. Replacement of existing rear extension at first, second and third with a new rear extension (first to third floor level) with flat roof. Erection of an extension at rear ground floor level. Removal of the existing kitchen rooflight and extension of existing terrace at first floor level. Replacement of existing windows and French doors with new. NAMELY, to omit the approved basement and minor amendments to the upper floors.

    Awaiting decision Full applications Extension Loft or dormer +1 17 docs
  • 19-20 Grosvenor Place London SW1X 7HP

    20/00431/AD7 Submitted 22 Jan 2020 50 yards away

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  • 19-20 Grosvenor Place London SW1X 7HP

    19/00724/AD7 Submitted 30 Jan 2019 50 yards away

    Display for a temporary period of six months of a non-illuminated 'to let'/ 'for sale' board attached to the stone balustrade in front of the building at street level and measuring 0.6m x 0.45m.

    Granted Advertising 5 docs
  • 31 Chester Street London SW1X 7BL

    26/00869/LBC Submitted 12 Feb 2026 50 yards away

    Internal alterations including installation of a new free standing electric fireplace to principal bedroom at second floor, the removal and replacement of mouldings, floor coverings, joinery, bathrooms and kitchen throughout the building.

    Granted Heritage and listed buildings 105 docs
  • 12 Chester Street London SW1X 7BB

    25/09272/LBC Submitted 22 Dec 2025 50 yards away

    Installation of air conditioning units within an acoustic enclosure at roof level and replacement of the existing lead flat roof with a new lead flat roof.

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In Westminster

  • 26/05984/FULL Decided

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    Replacement of front, side and rear windows with double glazed timber framed sash windows and replacement of a door with a double glazed timber framed door.

    Received 2 Sep, published by the council 11 Sep 2026 Full applications
  • 26/06134/FULL Decided

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    Received 8 Sep, published by the council 15 Sep 2026 Full applications
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    Shopfront alterations. (Linked with 26/07194/ADV)

    Received 21 Oct, published by the council 22 Oct 2026 Full applications
  • 26/07187/FULL Awaiting decision

    Ground Floor Flat 151 Portnall Road London W9 3BN

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    Received 21 Oct, published by the council 22 Oct 2026 Full applications