Skip to content
PlanIndex Get alerts
Menu

Planning application

9 St Paul's Mews London NW1 9TZ

Awaiting decision Camden 2026/3481/P Certificate of Lawfulness (Proposed)

Works: Windows or glazing

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

Proposal

Repair and refurbish the five existing front-of-house sash windows, replacing the single glazing with double glazing.

As published by the council, reference 2026/3481/P

Application record

Reference
2026/3481/P
Type
Certificate of Lawfulness (Proposed)
Status
Registered
Received
13 Aug 2026
Validated
8 Sep 2026
Ward
Camden Square
Postcode
NW1 9TZ

Site history

Applications at this address on the Camden register

This site has had 3 applications since 2021: 1 approved, 0 refused.

  • 2026/3952/P Awaiting decision

    9 St Paul's Mews London NW1 9TZ

    Existing doors to the rear elevation at first and second floor to be replaced with new French doors and windows.

    Submitted 11 Sep 2026 Householder
  • 2021/3161/P Granted

    9 St Paul's Mews London NW1 9TZ

    Replacement of existing up and over garage doors to side hinged double doors on front elevation and associated conversion of integral garage to habitable room, including insertion of conservation type rooflights to rear roofslope in connection with loft conversion.

    Decided 30 Nov 2021 Full applications

Timeline

Dates from the published record

  1. 13 Aug 2026

    Received by Camden

  2. 8 Sep 2026

    Validated

    Checked as complete and ready for consideration.

  3. 17 Sep 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 3 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Camden took a median of 43 days over the applications it decided in the last year.

Documents

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

4 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 Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided lawful development applications in a median of 52 days. More in our guide to how long planning decisions take.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 9 St Paul's Mews London NW1 9TZ

    2026/3952/P Submitted 11 Sep 2026 50 yards away

    88% historically approved · decision due ~9 Nov

    Existing doors to the rear elevation at first and second floor to be replaced with new French doors and windows.

    Awaiting decision Householder Windows or glazing 5 docs
    Domestic
  • 9 St Paul's Mews London NW1 9TZ

    2021/3161/P 50 yards away

    Replacement of existing up and over garage doors to side hinged double doors on front elevation and associated conversion of integral garage to habitable room, including insertion of conservation type rooflights to rear roofslope in connection with loft conversion.

    Granted Full applications Loft or dormer
  • 10 St Paul's Mews London NW1 9TZ

    2026/3725/T Submitted 28 Aug 2026 50 yards away

    REAR GARDEN: 1 x Ash (T1) - Reduce lowest lateral limb over 9 St Pauls Mews by 2m; cut back overhanging growth by up to 1 metre whilst maintaining screen to rear neighbouring garden.

    Granted Trees 3 docs
  • 10 St. Pauls Mews London NW1 9TZ

    2012/2802/P 50 yards away

    Replacement of existing timber panels, window and single leaf door to the rear elevation at ground floor level with new bi-folding double glazed doors in connection with existing residential dwelling (Class C3).

    Granted Full applications Windows or glazing
    Domestic
  • 10 St. Pauls Mews London NW1 9TZ

    2012/2230/P 50 yards away

    Replacement of existing rear doors with new bi-folding doors at the ground floor level (Class C3).

    Withdrawn Full applications Windows or glazing
  • 10 St Paul's Mews London NW1 9TZ

    2023/0056/T 50 yards away

    REAR GARDEN: 3 x Ash (G1) - Reduce height and width by up to 2m. Retain natural and even flowing canopy outline. 1 x Ash (T1) - Fell to ground level.

    Granted Trees

In Camden

  • 2026/4314/P Awaiting decision

    Basement Flat & Flat Raised Ground Floor 46 Primrose Hill Road London NW3 3AA

    Amalgamation of two self-contained flats to form a self-contained maisonette on lower ground and raised ground floor.

    Received 6 Oct, published by the council 9 Oct 2026 Lawful development
  • 2026/4304/P Awaiting decision

    68 Clarence Way London NW1 8DG

    Erection of single storey outbuilding in rear garden.

    Received 2 Oct, published by the council 9 Oct 2026 Lawful development
  • 2026/3821/P Granted

    Plots B, C and D at Highgate Studios Highgate Road London NW5 1TL

    Certificate of Lawful Development to confirm the lawful use of the site is for office use (Class E(g)(i)) and that the use of the site as a gym (Class E(d)) or any other use falling within Class E would be lawful.

    Received 4 Sep, published by the council 11 Sep 2026 Lawful development
  • 2026/3389/P Granted

    99 Heath Street London NW3 6SS

    Confirmation of the implementation of planning permission 2007/3874/P granted, subject to a legal agreement dated 06/12/2007 for 'Change of use from offices (A2) to single family dwellinghouse (C3), the erection of extension at rear ground floor level within courtyard and formation of a terrace over, extension at ground floor level to western end of courtyard, creation of off-street open car parking space and minor elevational changes to The Mount elevation.', by way of erection of the extension at ground floor level to the western end of the courtyard, creation of an off-street car parking space, and minor elevational changes to the Mount elevation.

    Received 7 Aug, published by the council 15 Aug 2026 Lawful development
  • 2026/2493/P Granted

    8 Fitzroy Road London Camden NW1 8TX

    Use of the entire building for a single-family home (C3 residential).

    Received 16 Jun, published by the council 24 Jul 2026 Lawful development