Proposal
Conversion of 2 flats at upper ground and 1st floor levels to form 1 self-contained maisonette (Class C3).
As published by the council, reference 2020/3559/P
Timeline
Dates from the published record
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6 Oct 2020
Decision issued: Granted
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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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2014/3310/T Granted
15 A Belsize Square London NW3 4HT
(TPO Ref 27H) FRONT GARDEN: 1 x Silver Birch - Reduce back to previous reduction point
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2021/1799/T Granted
15 Belsize Square London NW3 4HT
FRONT GARDEN: 1 x Silver Birch - Lift low branches to a height of 3m. Crown reduce by up to 20%.
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2020/1958/P Withdrawn
16 Belsize Square
Replacement of windows and doors with double glazed windows and doors.
-
2015/5005/P Granted
Flat B 14 Belsize Square London NW3 4HT
Alterations to rear ground floor elevation to allow installation of bi-folding doors and extended balcony with associated balustrade.
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2014/4848/P Granted
14 Belsize Square London NW3 4HT
Retention of new garden shed and proposed planting on roof, to be utilised as a design studio and storage space (Retrospective).
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2019/3404/P Granted
Flat 1 13 Belsize Square London NW3 4HT
Replacement of the existing lower ground floor front and side elevation timber sash windows with double glazed timber sash windows, replacement of the existing lower ground floor timber windows and doors with metal double glazed windows and doors, removal of the peddle dash to the rear bay window for smooth render and associated external alterations.
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.
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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.