Planning application
21 St Leonard's Square London NW5 3HL
Works: Extension Demolition Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Erection of a ground floor rear extension; erection of metal railings to the existing first floor roof terrace; lowering of the existing first floor terrace parapet wall; installation of two timber framed windows to the rear outrigger at first and second floors; replacement timber framed window at first floor side elevation; and associated alterations to the external facade, following demolition of the existing ground floor rear extension.
As published by the council, reference 2020/1650/P
Application record
- Reference
- 2020/1650/P
- Category
- Full applications
- Status
- Final Decision
- Decision
- Granted
- Decided
- 12 Oct 2021
- Postcode
- NW5 3HL
Site history
Applications at this address on the Camden register
This site has had 3 applications since 2012: 3 approved, 0 refused.
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2019/2608/P Granted
21 St Leonard's Square London NW5 3HL
Erection of a ground floor rear extension; erection of timber trellis to the existing first floor roof terrace; installation of two timber framed windows to the rear outrigger at first and second floors; replacement timber framed window at first floor side elevation; and associated alterations to the external facade, following demolition of the existing ground floor rear extension.
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2012/0644/T Granted
21 St Leonard's Square London NW5 3HL
DDD - REAR GARDEN: 1 x Whitebeam - Fell - DDD.
Timeline
Dates from the published record
-
12 Oct 2021
Decision issued: Granted
-
22 Jul 2026
Added to PlanIndex
What this grant of permission means
Camden granted permission on 12 October 2021, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
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
-
21 St Leonard's Square London NW5 3HL
Erection of a ground floor rear extension; erection of timber trellis to the existing first floor roof terrace; installation of two timber framed windows to the rear outrigger at first and second floors; replacement timber framed window at first floor side elevation; and associated alterations to the external facade, following demolition of the existing ground floor rear extension.
Granted Full applications Extension Demolition +1 28 docs -
21 St Leonards Square London NW5 3HL
Change of use from 2x flats to a single family dwelling (Class C3).
Granted Full applications New dwellingDomestic -
-
23 St. Leonards Square London NW5 3HL
Remodelling and enlargement of roof light and patio doors to rear of property.
Granted Full applications Loft or dormer Windows or glazing -
11 Talacre Road London NW5 3PH
Erection of rear conservatory at second floor level.
Refused Full applications Extension -
Talacre Town Green Talacre Road London NW5 3NS
Upgrade works to the existing Talacre Town Green play area including erection of replacement play equipment.
Granted Full applications
Other full applications
In Camden
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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.
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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)
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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”
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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.