Planning application
5-13 Leeke Street London WC1X 9HY
Works: Extension Demolition Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Phase 1: erection of three storey office extension (Use Class E(g)) at 13 Leeke Street following demolition of 13 Leeke Street (existing office floorspace) and external alterations to 5-11 Leeke Street, comprising partial rear upward extension, alterations to fenestration, and external facade upgrades; and, Phase 2: erection of additional office storey at roof level (Use Class E(g)), at 5-13 Leeke Street, with roof terrace above, plant and associated works
As published by the council, reference 2026/3440/P
Application record
- Reference
- 2026/3440/P
- Type
- Full Planning Permission
- Status
- Registered
- Received
- 12 Aug 2026
- Validated
- 20 Aug 2026
- Ward
- Kings Cross
- Postcode
- WC1X 9HY
Site history
Applications at this address on the Camden register
This site has had 2 applications since 2020: 1 approved, 0 refused.
-
2019/4683/P Granted
5-13 Leeke Street London WC1X 9HY
Erection of four storey office extension (Use Class B1a) following demolition of 13 Leeke Street (containing 1x1 bed self-contained flat (Use Class C3)); construction of additional storey at roof level with roof terrace above at 5-13 Leeke Street (Use Class B1a).
Timeline
Dates from the published record
-
12 Aug 2026
Received by Camden
-
20 Aug 2026
Validated
Checked as complete and ready for consideration.
-
22 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 15 October 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
52 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 full applications in a median of 56 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 500 metres
-
13 Leeke Street London WC1X 9HY
Demolition of existing building and erection of new three storey building with brick facade and erection of a two storey roof and rear extension. Change of use from residential house (Use class C3) to office space (Class B1) in conjunction with the existing use at 5-11 Leeke Street.
Refused Full applications Extension Demolition -
13 Leeke Street London WC1X 9HY
Use of the building as offices, confirming implementation of planning permission P2019/3267/P (dated 12/09/2019).
Granted Full applications -
13 Leeke Street London WC1X 9HY
Change of use from residential use (Class C3) to office use (Class B1a)
Granted Full applications 19 docs -
5-13 Leeke Street London WC1X 9HY
Erection of four storey office extension (Use Class B1a) following demolition of 13 Leeke Street (containing 1x1 bed self-contained flat (Use Class C3)); construction of additional storey at roof level with roof terrace above at 5-13 Leeke Street (Use Class B1a).
Granted Full applications Extension Demolition -
Paul Hamlyn Foundation 5 Leeke Street London WC1X 9HY
Erection of new pergola at roof level, and installation of decking and planters to existing roof terrace of office building (Class B1).
Granted Full applications -
5 - 11 Leeke Street London WC1X 9HZ
Display of internally illuminated sign to front elevation by main entrance to office.
Granted
Other full applications
In Camden
-
2026/2516/P Withdrawn
31 Loveridge Road London Camden NW6 2DU
Amalgamation of the existing three self-contained one-bedroom flats into a single-family dwelling house; demolition and replacement of existing outrigger; erection of a single-storey rear wrap-around extension; erection of a rear dormer extension; creation of a roof terrace above outrigger; replacement of existing windows with timber double glazed units; installation of rooflights to front roofslope; and installation of an air source heat pump in rear garden.
-
2026/3830/P Awaiting decision
Euston Tower 286 Euston Road London NW1 3DP
Deed of variation to allow more flexibility with Affordable housing payments for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, café and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.
-
2026/3282/P Granted
5 Berkley Road London NW1 8XX
Installation of 1no. above ground gas riser from the basement flat to the meter box at first floor (retrospective)
-
2026/0483/P Granted
100 Avenue Road London NW3 3HF
Discharge of details for condition 47 (surface water run off details) of planning permission 2026/0404/P granted on 19/06/2026 for " Variation of conditions (2 plan numbers); 8 (quantum of commercial space); 13 (commercial windows); 15 (Wind Microclimate); 19 (commercial windows); 24 (Air quality); 34 (development quantum); 40 (Circular Economy); 44 (designing out crime); 45 (Fire Strategy); 46 (SuDS); 48 (Community facility removed), 48 (wheelchair units), 49 (TfL health and safety) to planning permission ref. 2025/0852/P (for demolition of building and provision of a mixed-use residential-led development) to secure alterations to the external appearance; internal residential and commercial space layouts; omission of community floorspace and increased affordable housing provision; cycle and car parking; hard and soft landscaping, and other associated amendments”
-
2026/2697/P Awaiting decision
Flat 1, 73 Eton Avenue London NW3 3EU
Replacement of existing defective rear lean-to conservatory with a new slimline powder-coated aluminium framed conservatory with clear double glazing, on the exact same footprint as existing.