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Planning application

21 Conduit Mews London W2 3RE

Awaiting decision Westminster 26/01285/FULL Full Planning Permission Application

Works: Loft or dormer

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

Proposal

Erection of dormer to rear roof slope.

As published by the council, reference 26/01285/FULL

Application record

Reference
26/01285/FULL
Type
Full Planning Permission Application
Status
Pending
Received
2 Mar 2026
Validated
2 Mar 2026
Ward
Lancaster Gate
Postcode
W2 3RE

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025: 0 approved, 1 refused.

  • 25/06778/FULL Refused

    21 Conduit Mews London W2 3RE

    Erection of a dormer to the rear elevation.

    Decided 17 Feb 2026 Full applications

Timeline

Dates from the published record

  1. 2 Mar 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 27 April 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.

Who's behind it

Company information only, from the register and Companies House

sjd Architects Ltd Agent, an architecture practice registered in Stockton-On-Tees

Active · incorporated 2003 · Stockton-On-Tees

43 applications on PlanIndex · across 8 councils · 95% granted

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

5 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

  • 21 Conduit Mews London W2 3RE

    25/06778/FULL Submitted 22 Sep 2025 50 yards away

    Erection of a dormer to the rear elevation.

    Refused Full applications Loft or dormer 23 docs

  • Basement And Ground Floor 2 Spring Street London W2 3RA

    26/06228/ADV Submitted 9 Sep 2026 50 yards away

    82% historically approved · decision due ~10 Nov

    Display of externally illuminated projection sign measuring 600mm x 600mm, and retention of externally illuminated fascia sign (Linked with 26/05931/LBC)

    Decided Advertising

  • Basement And Ground Floor 2 Spring Street London W2 3RA

    26/05931/LBC Submitted 31 Aug 2026 50 yards away

    90% historically approved · decision due ~10 Nov

    Display of externally illuminated projection sign measuring 600mm x 600mm, and retention of externally illuminated fascia sign. (Linked with 26/06228/ADV)

    Decided Heritage and listed buildings

  • Flat G 13 Westbourne Terrace London W2 3UL

    26/02711/LBC Submitted 23 Apr 2026 50 yards away

    90% historically approved · decision due ~18 Jun

    Replacement of single-glazed timber sliding sash windows with vacuum-glazed timber sliding sash windows. (Linked with 26/02710/FULL)

    Awaiting decision Heritage and listed buildings Windows or glazing 1 doc

  • Flat G 13 Westbourne Terrace London W2 3UL

    26/02710/FULL Submitted 23 Apr 2026 50 yards away

    88% historically approved · decision due ~18 Jun

    Replacement of single-glazed timber sliding sash windows with vacuum-glazed timber sliding sash windows. (Linked with 26/02711/LBC)

    Awaiting decision Full applications Windows or glazing 9 docs

  • 196 - 200 Sussex Gardens London W2 3UA

    26/03421/FULL Submitted 26 May 2026 50 yards away

    88% historically approved · decision due ~23 Jul

    Underpinning to basement and front elevations inlcuding repair works; Replacement concrete stairs and steel balustrades in lightwell; New concrete floor slab, build up; and other associated works. Linked with 26/03422/LBC

    Awaiting decision Full applications 14 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