Planning application
2019/0652/P
5-6 Underhill Street London NW1 7HS
Proposal
Variation to condition 3 (approved plans) of planning permission ref 2017/4332/P dated 29/08/2019 (as a variation to planning permission ref 2015/0034/P dated 10/03/2016 for extensions and alterations to the existing building including erection of a single storey extension to the roof fronting Underhill Street to provide a self-contained flat), namely to allow an increase in height of the existing lift shaft by 0.5m, installation of a flank door on the side/rear elevation at second floor level to allow access to amended escape stairs fronting onto Underhill Street, alterations to fenestration on the front facade, and changes from a glass balustrade on the Underhill Street elevation to integral juliet balconies.
As published by the council, reference 2019/0652/P
Timeline
Dates from the published record
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28 Nov 2019
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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2024/5382/P Granted
5-6 Underhill Street London NW1 7HS
Change of use of ground floor front office (Class E) unit to residential (Class C3) for the provision of two self-contained residential units.
-
2026/1780/P Awaiting decision
5-6 Underhill Street London NW1 7HS
Change of use of ground floor rear office (Class E) unit to residential (Class C3) for the provision of 3no. self-contained residential units; minor alterations to fenestration at rear.
-
2024/1314/P Granted
5-6 Underhill Street London NW1 7HS
Change of use of second floor office space (Class E) to residential (Class C3) for the provision of a new self-contained residential unit.
-
2025/2776/P Granted
5-6 Underhill Street London NW1 7HS
Details pursuant to Condition 5 (Ground Floor Window Details) of planning permission 2024/5382/P (dated 18/06/2025) for the 'Change of use of ground floor front office (Class E) unit to residential (Class C3) for the provision of two self-contained residential units'.
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2015/0034/P Granted
5 Underhill Street London NW1 7HS
Extensions and alterations to the existing building including erection of a single storey extension to the roof fronting Underhill Street to provide 1 x 3 bed self-contained flat (Class C3 use) with external roof terrace and metal privacy screen, erection of two storey lift shaft to the rear at first and second floor level, installation of external fire escape staircase from ground to second floor level, alterations to the ground floor front elevation to create a new ground floor residential entrance and office entrance fronting Underhill Street, replacement of ground floor window openings with doors to bin store area and office storage area, and installation of roof light on the roof of the single storey front/side extension of the existing office building (Class B1 use).
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2022/5582/P Granted
5 - 6 Underhill Street London NW1 7HS
Conversion of two office suites on the second floor (Class E) into two self-contained flats (Class C3) with ancillary amenity space, new window and PV solar panels.
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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
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2026/0335/P Granted
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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.