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Planning application

1B Chester Row London SW1W 9JF

Granted Westminster 25/05281/FULL Full Planning Permission Application

Works: Extension Roofing

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

Proposal

Extension at rear roof level, relocation of existing plant enclosure, simplification of roofscape including new roof maintenance access hatch.

As published by the council, reference 25/05281/FULL

Application record

Reference
25/05281/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
29 Jul 2025
Validated
29 Jul 2025
Decided
24 Sep 2025
Ward
Knightsbridge & Belgravia
Decision by
Complex Delegated Decision
Postcode
SW1W 9JF

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2025: 2 approved, 1 refused.

  • 26/04485/FULL Awaiting decision

    1B Chester Row London SW1W 9JF

    New basement extension (under the rear half of the building) to enlarge the existing basement (beneath the front half of the building), including creation of a new lightwell along the rear of the building.

    Submitted 6 Jul 2026 Full applications
  • 25/08340/ADFULL Granted

    1B Chester Row London SW1W 9JF

    Detailed drawings of new rear windows pursuant to Condition 5 of planning permission dated 24th September 2025 (RN:25/05281/FULL)

    Decided 12 Feb 2026 Full applications
  • 25/07487/ADFULL Refused

    1B Chester Row London SW1W 9JF

    Detailed drawings of new rear windows pursuant to condition 5 of planning permission dated 24th September 2025 (RN: 25/05281).

    Decided 13 Nov 2025 Full applications

Timeline

Dates from the published record

  1. 29 Jul 2025

    Received by Westminster

  2. 24 Sep 2025

    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:

  • 25/08340/ADFULL Granted

    1B Chester Row London SW1W 9JF

    Detailed drawings of new rear windows pursuant to Condition 5 of planning permission dated 24th September 2025 (RN:25/05281/FULL)

    Decided 12 Feb 2026 Full applications

Who's behind it

Company information only, from the register and Companies House

AD Heritage Planning Agent, a planning consultancy

13 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

27 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 September 2025, 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

  • 1B Chester Row London SW1W 9JF

    26/04485/FULL Submitted 6 Jul 2026 50 yards away

    88% historically approved · decision due ~31 Aug

    New basement extension (under the rear half of the building) to enlarge the existing basement (beneath the front half of the building), including creation of a new lightwell along the rear of the building.

    Awaiting decision Full applications Extension 31 docs

  • First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ

    25/07677/FULL Submitted 23 Oct 2025 50 yards away

    Installation of replacement sashes (double glazed) within the existing box frames to the front and rear at first floor level and associated works.

    Granted Full applications Windows or glazing 15 docs

  • First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ

    25/07678/LBC Submitted 23 Oct 2025 50 yards away

    Installation of replacement sashes (double glazed) within the existing box frames to the front and rear at first floor level and associated works. (Linked with 25/07677/FULL)

    Granted Heritage and listed buildings Windows or glazing 10 docs

  • 1 Chester Row London SW1W 9JF

    25/09022/LBC Submitted 12 Dec 2025 50 yards away

    Installation of scaffold fixings, removal and replacement of render and structural strengthening to cracks in underlying brickwork to front elevation.

    Granted Heritage and listed buildings 15 docs

  • First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ

    26/01481/ADFULL Submitted 9 Mar 2026 50 yards away

    Detailed drawings (including sections) of the replacement windows pursuant to Condition 4 of planning permission dated 19 February 2026 (25/07677/FULL).

    Granted Full applications Windows or glazing 6 docs

  • First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ

    26/01482/ADLBC Submitted 9 Mar 2026 50 yards away

    Detailed drawings (including sections) of the replacement windows pursuant to Condition 3 of listed building consent dated 19 February 2026 (25/07678/LBC).

    Granted Conditions Windows or glazing 6 docs

In Westminster

  • 26/07528/FULL Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 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
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    Received 4 Nov, published by the council 6 Nov 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
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications