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Planning application

Basement And Ground Floor 30 Chilworth Street London W2 6DT

Awaiting decision Westminster 26/02657/FULL Full Planning Permission Application

Relates to 26/02658/LBC

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

Proposal

Formation of basement flat from commercial basement currently used for storage. [Linked to 26/02658/LBC]

As published by the council, reference 26/02657/FULL

Application record

Reference
26/02657/FULL
Type
Full Planning Permission Application
Status
Pending
Received
22 Apr 2026
Validated
22 Apr 2026
Ward
Lancaster Gate
Postcode
W2 6DT

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026.

  • 26/02658/LBC Awaiting decision

    Basement And Ground Floor 30 Chilworth Street London W2 6DT

    Formation of basement flat from commercial basement currently used for storage. [Linked to 26/02657/FULL]

    Submitted 22 Apr 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 22 Apr 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 17 June 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 91 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 26/02658/LBC Awaiting decision

    Basement And Ground Floor 30 Chilworth Street London W2 6DT

    Formation of basement flat from commercial basement currently used for storage. [Linked to 26/02657/FULL]

    Submitted 22 Apr 2026 Heritage and listed buildings

1 later application on the register refers to this one:

  • 26/02658/LBC Awaiting decision

    Basement And Ground Floor 30 Chilworth Street London W2 6DT

    Formation of basement flat from commercial basement currently used for storage. [Linked to 26/02657/FULL]

    Submitted 22 Apr 2026 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

Constantine Architects Agent, an architecture practice

4 applications on PlanIndex

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

28 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 119 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

  • Basement And Ground Floor 30 Chilworth Street London W2 6DT

    26/02658/LBC Submitted 22 Apr 2026 50 yards away

    90% historically approved · decision due ~17 Jun

    Formation of basement flat from commercial basement currently used for storage. [Linked to 26/02657/FULL]

    Awaiting decision Heritage and listed buildings 1 doc
  • 24 Chilworth Street London W2 6DT

    25/06746/ADFULL Submitted 19 Sep 2025 50 yards away

    89% historically approved · decision due ~14 Nov

    Details of appropriate arrangements to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site pursuant to condition 5 of planning permission dated 26th June 2025 (RN: 25/01847/FULL)

    Decided 7 docs
  • 32 Chilworth Street London W2 6DT

    22/02820/LBC Submitted 26 Apr 2022 50 yards away

    Use of ground floor as 1 bedroom flat (Class C3); alterations to front facade; removal of flue, grille and rooflight to rear roof and installation of new rooflight in same opening; raising the window the main rear wall; and associated works. (Linked with 22/02819/FULL)

    Granted Heritage and listed buildings Loft or dormer Windows or glazing 24 docs
  • 32 Chilworth Street London W2 6DT

    22/02819/FULL Submitted 26 Apr 2022 50 yards away

    Use of ground floor as 1 bedroom flat (Class C3); alterations to front facade; removal of flue, grille and rooflight to rear roof and installation of new rooflight in same opening; raising the window to main rear wall; and associated works. (Linked with 22/02820/LBC)

    Refused Full applications Loft or dormer Windows or glazing 24 docs
  • 2 Gloucester Mews West London W2 6DY

    25/08774/FULL Submitted 2 Dec 2025 50 yards away

    88% historically approved · decision due ~27 Jan

    Variation of condition 1 of planning permission dated 01 November 2025 (RN: 23/08046/FULL) for the: Erection of mansard roof extension with rear second floor terrace, ground and first floor rear extensions and associated demolition and alterations to the front & rear elevation fenestration. Namely, to allow ground floor rearward extension with folding doors; alterations to fenestration on rear elevation; installation of a heat pump at second floor; and installation of glass balustrade and external lighting at second floor.

    Awaiting decision Full applications Extension Loft or dormer +2 17 docs
  • 1 Gloucester Mews West London W2 6DY

    20/04839/FULL Submitted 31 Jul 2020 50 yards away

    Variation of condition 12 of planning permission dated 12th April 2019 (RN 18/04329/FULL) granted on appeal for the erection of a roof extension to Nos.1-4 Gloucester Mews West to enlarge four existing dwellinghouses. NAMELY, to allow the substitution of revised drawings to reflect the as built design of the front elevation of the roof extension to 3 and 4 Gloucester Mews West, namely a window to the front elevation on no.4 has been omitted and the cladding panels and window dimensions are different on no.3.

    Granted Full applications Extension Windows or glazing 17 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