Planning application
9 St Paul's Mews London NW1 9TZ
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.
-
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.
Timeline
Dates from the published record
-
13 Aug 2026
Received by Camden
-
8 Sep 2026
Validated
Checked as complete and ready for consideration.
-
17 Sep 2026
Added to PlanIndex
-
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 documentsWhat 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
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 docsDomestic -
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.
Granted Full applications Loft or dormer -
10 St Paul's Mews London NW1 9TZ
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
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 glazingDomestic -
10 St. Pauls Mews London NW1 9TZ
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
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
Other lawful development applications
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).
-
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
-
2026/3289/P Granted
1 Elliott Square London NW3 3SU
Replacement of front garage door with half-height infill wall and aluminium window.
-
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.
-
2026/3948/P Awaiting decision
34 Prince Of Wales Road London NW5 3LG
Erection of single storey outbuilding in rear garden.