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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 42 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.

Trade members open them 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 53 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 500 metres

  • 9 St Paul's Mews London NW1 9TZ

    2026/3952/P Submitted 11 Sep 2026 0m 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 0m 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 4m away

    99% historically approved · decision due ~28 Oct

    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.

    Awaiting decision Trees 2 docs
  • 10 St. Pauls Mews London NW1 9TZ

    2012/2802/P 4m 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 4m 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 4m 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

  • 2026/3834/P Awaiting decision

    49 Maitland Park Road London NW3 2HA

    Enclosure of balcony area on front elevation at 1st floor level to provide habitable accommodation ancillary to the existing residential use of the dwellinghouse (Class C3).

    14 Sep 2026 Lawful development
  • 2026/3983/P Awaiting decision

    Flat 3 3 Templewood Avenue London NW3 7UY

    Internal alterations to flats 1 and 3 including removal of internal walls

    14 Sep 2026 Lawful development
  • 2026/3289/P Granted

    1 Elliott Square London NW3 3SU

    Replacement of front garage door with half-height infill wall and aluminium window.

    11 Aug 2026 Lawful development
  • 2026/3230/P Granted

    6 Lyndhurst Road London NW3 5PX

    Amalgamation of the existing lower ground floor flat and upper maisonette into a single dwellinghouse, involving the formation of a new internal staircase and associated internal alterations.

    29 Jul 2026 Lawful development
  • 2026/3948/P Awaiting decision

    34 Prince Of Wales Road London NW5 3LG

    Erection of single storey outbuilding in rear garden.

    11 Sep 2026 Lawful development