Planning application
2021/1895/P
12 Netherhall Gardens London NW3 5RN
Proposal
Erection of single storey extension at roof level to infill the valley roof, incorporating vent stacks and rooflights, plus installation of new dormer to rear elevation and window to front gable, all in association with the provision of additional classroom space to existing school building
As published by the council, reference 2021/1895/P
Timeline
Dates from the published record
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15 Nov 2023
Decision issued: Granted Subject to a Section 106 Legal Agreement
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22 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About full applications applications
How this application type works
A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.
Nearby applications
Within 500 metres
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2020/0754/P Granted
12 Netherhall Gardens London NW3 5RS
Erection of replacement boundary wall to match existing one
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2016/0228/T Granted
Rear Playground South Hampstead School 12 Netherhall Gardens London NW3 5RS
REAR PLAYGROUND: 1 x Large Alianthus(T1) - Reduce large low limb back to boundary, spread reduce remainder of Crown by 2m back towards boundary fence 1 x Large Conifer (T2) - reduce spread back to boundary full height-1-2m Small Elder (G1) - reduce to fence height, Trim remainder of all growth back to fence line.
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2026/1455/P Refused
12 Netherhall Gardens London NW3 5TG
Installation of a retractable awning to ground floor window on west elevation.
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2015/0093/T Granted
12 Netherhall Gardens London NW3 5RN
WITHIN GROUNDS: 1 x Eucalyptus - Reduce in height by 3m
-
2014/5141/T Granted
12 Netherhall Gardens London NW3 5TG
REAR GARDEN: 1 x Sycamore - Fell to ground level.
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2013/7166/T Granted
South Hampstead Junior School 12 Netherhall Gardens London NW3 5RN
FRONT GARDEN: 1 x Crab Apple - Fell as low as possible.
Other full applications applications
In Camden
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2026/0743/P Granted
34-42 Middlesex House Cleveland Street London W1T 4JE
Details pursuant to Condition 6 (Living Roof) of planning permission 2024/2020/P granted on 12/09/2024 "(Minor refurbishment and rooftop works including: upgraded entrance and reception area; new cycle storage and associated end of trip facilities; new/replaced rooftop plant and plant enclosures; creation of a rooftop amenity area with pavilion structure; hard and soft rooftop landscaping; and all associated and ancillary works)."
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2026/3202/P Awaiting decision
Flat 1 94 Goldhurst Terrace London NW6 3HS
Erection of a single storey rear extension.
-
2026/0335/P Granted
216A West End Lane London NW6 1UX
Conversion of 1 x 7 bedroom flat (C3) and 1 x 2 bedroom flat (C3) to 1 x 7 bedroom House in Multiple Occupation (Sui-generis) and 1 x 1 bedroom flat (C3) and installation of four rooflights
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2026/3229/P Awaiting decision
52 Neal Street London WC2H 9PA
Alterations to the shopfront and installation of awnings.
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2026/2160/P Granted
120 College Place London NW1 0DJ
Erection of a rear roof extension, formation of a rear roof terrace and installation of 2x rooflights to front roof slope, and associated works.