Planning application
2019/4517/L
30 Percy Street London W1T 2DB
Proposal
Internal and external alterations including replacement rear extension at ground floor and basement level with roof terrace above, change of use of 3 bed flat (Class C3) at second and third floor level to office space (Class B1a) and use of basement level as social enterprise space.
As published by the council, reference 2019/4517/L
Timeline
Dates from the published record
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28 Aug 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 heritage and listed buildings applications
How this application type works
Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.
More on heritage and listed buildings applications in our guide
Nearby applications
Within 500 metres
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2021/4408/P Granted
30 Percy Street London W1T 2DB
Amendment to planning permission ref 2019/4241/P dated 28/08/2020, as amended by ref 2021/1374/P dated 13/08/2021 (for External alterations including replacement rear extension at ground floor and basement level with roof terrace above, change of use of existing flat at second and third floor level to office space and use of basement level as social enterprise space), namely to replace a small glazed area within the basement roof of the approved rear extension by a solid floor.
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2020/4759/L Granted
30 Percy Street London W1T 2DB
Internal and external alterations to incorporate fire safety measures including installation of 3 rooflights and re-configuration of existing 3 bed flat.
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2021/5088/P Granted
30 Percy Street London W1T 2DB
Details required by condition 8 (terrace privacy screen) of planning permission ref 2019/4241/P dated 28/08/2020, as amended by 2021/1374/P dated 13/08/2021 (for External alterations including replacement rear extension at ground floor and basement level with roof terrace above, change of use of existing flat at second and third floor level to office space and use of basement level as social enterprise space).
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2020/3951/P Granted
30 Percy Street London W1T 2DB
External alterations including installation of 3 rooflights associated with re-configuration of existing 3 bed flat.
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2021/1374/P Granted
30 Percy Street London W1T 2DB
Variation of condition 3 (approved plans) of planning permission ref 2019/4241/P dated 28/08/2020 (External alterations including replacement rear extension at ground floor and basement level with roof terrace above, change of use of existing flat (Class C3) at second and third floor level to office space (Class B1a) and use of basement level as social enterprise space) namely to incorporate fire safety measures including installation of rooflights and PV panels.
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2021/1552/L Granted
30 Percy Street London W1T 2DB
Internal and external alterations associated with fire safety measures including installation of rooflights and PV panels.
Other heritage and listed buildings applications
In Camden
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2026/3248/L Awaiting decision
15 Eton Villas London NW3 4SG
Single storey rear extension, internal reconfigurations, installation of double-glazed windows and doors, new air-conditioning units, landscaping to rear garden and erection of outbuilding amongst other alterations to the property.
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2026/3213/L Awaiting decision
51, 53, 55, 57 Lamb's Conduit Street London Camden WC1N 3NB
Installation of gas infrastructure including an external gas riser, associated pipework, and internal alterations comprising the relocation of gas meters and associated connections
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2026/2318/L Granted
90 Frognal London NW3 6XB
Structural strengthening of underground vault and underpinning of northern side of ground-floor boot room.
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2026/2136/L Granted
45 Downshire Hill London NW3 1NU
Proposed repair and replacement of front elevation windows with matching single glazed timber sash units. Replacement modern French doors in slim-profile double glazing. Rear windows retained, and repaired as required.
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2026/2122/L Granted
6 Royal College Street London NW1 0TH
Various internal and external changes, including replacement and alteration to timber windows, adjustments to internal layout, installation of fire-rated doors and emergency lighting, relocation and rearrangement of bathroom and kitchen (retrospective).