Planning application
15 Belsize Avenue London NW3 4BL
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Installation of new air source heat pumps and installation of new twin wall flue
As published by the council, reference 2025/5602/P
Application record
- Reference
- 2025/5602/P
- Type
- Full Planning Permission
- Status
- Final Decision
- Decision
- Granted
- Received
- 12 Dec 2025
- Validated
- 16 Dec 2025
- Decided
- 11 Mar 2026
- Ward
- Belsize
- Decision by
- Delegated
- Postcode
- NW3 4BL
Site history
Applications at this address on the Camden register
This site has had 3 applications since 2012: 3 approved, 0 refused.
-
2013/4643/P Granted
15 Belsize Avenue London NW3 4BL
Installation of four velux rooflights to the top of four roof accesses (one rooflight on each access) of flats (Class C3).
-
2012/4049/P Granted
15 Belsize Avenue London NW3 4BL
Replacement of existing aluminium and timber windows of flats 1-28 to front and rear elevations with double glazed windows.
Timeline
Dates from the published record
-
12 Dec 2025
Received by Camden
-
16 Dec 2025
Validated
Checked as complete and ready for consideration.
-
11 Mar 2026
Decision issued: Granted
-
9 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
13 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 this grant of permission means
Camden granted permission on 11 March 2026, 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
-
Flats 1-28 15 Belsize Avenue London NW3 4BL
Installation of communal digital TV reception equipment including 2 satellite dishes, an aerial and associated equipment including an external cabinet and cable runs to each residential flat (Class C3).
Granted Full applications -
15 Belsize Avenue London NW3 4BL
Installation of four velux rooflights to the top of four roof accesses (one rooflight on each access) of flats (Class C3).
Granted Full applications New dwelling Loft or dormer -
15 Belsize Avenue London NW3 4BL
Replacement of existing aluminium and timber windows of flats 1-28 to front and rear elevations with double glazed windows.
Granted Full applications New dwelling Windows or glazing -
1 Belsize Avenue London NW3 4BL
(TPO - 23H-T95) FRONT GARDEN - 1 x Mulberry - Reduce by 20% to previous pruning points.
Refused Trees -
1 Belsize Avenue London NW3 4BL
(TPO Ref: 23H) FRONT GARDEN - 1 x Mulberry - Lift lower hanging branches. Trim back small branches overhanging the road to the line of the curb. Trim back light sprouting growth on lower trunk.
Granted Trees -
23 Belsize Avenue London NW3 4BL
REAR GARDEN: 1 x Multi-Stemmed Ash (T1) - Fell to ground level and treat stump
Granted Trees
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.