Planning application
32 Percy Street London W1T 2DE
Works: Extension Loft or dormer Demolition Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Erection of 2 storey rear extension with copper roof and rooflights (including basement excavation) following demolition of existing extension, replacement front windows at 2nd floor level, replacement rear windows, alteration to rear dormer, insertion of rooflight, 4 condensers at roof level and 1 condenser to front vault, all to existing offices (Class B1).
As published by the council, reference 2015/6537/P
Application record
- Reference
- 2015/6537/P
- Category
- Full applications
- Status
- Final Decision
- Decision
- Granted Subject to a Section 106 Legal Agreement
- Decided
- 5 Oct 2017
- Postcode
- W1T 2DE
Site history
Applications at this address on the Camden register
This site has had 10 applications since 2014: 6 approved, 0 refused.
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2025/1506/P Granted
32 Percy Street London W1T 2DE
Addition of external steel security bars to front basement windows and installation of trickle ventilation to single glazed replacement panel in rear lean-to rooflight.
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2025/1539/L Granted
32 Percy Street London W1T 2DE
External alterations involving the addition of external steel security bars to front basement windows and installation of trickle ventilation to single glazed replacement panel in rear lean-to rooflight. Various internal alterations, including application of mirrored solar film to internal face of shopfront windows; installation of partitions at ground and basement floor levels, timber panelled fire door at ground floor level, glazed partition with pivot door at 2nd floor level, timber communications cabinet at basement level, surface mounted roller blinds to all rooflights within existing rear elevation, ceiling mounted curtains to all front elevation windows, replacement of staircase carpets, surface mounted electrical fittings; and works of redecoration throughout.
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2021/4868/P Granted
32 Percy Street London W1T 2DE
Installation of 4 air source heat pump units to roof valley on supporting steelwork (following removal of an existing air conditioning unit), removal and replacement of rooflights and roof glazing to rear ground floor extension and above rear lightwell with revised configuration; installation of new rooflight to replace existing dormer to allow roof access; addition of new doors to front and rear basement vaults to provide new storage areas; and addition of sedum cassettes to rear 1st floor roof.
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2021/5561/L Granted
32 Percy Street London W1T 2DE
External alterations in connection with the installation of 4 air source heat pump units to roof valley on supporting steelwork, removal and replacement of rooflights and roof glazing to rear ground floor extension and rear lightwell; installation of new rooflight to replace existing dormer; addition of new doors to front and rear basement vaults; and addition of sedum cassettes to rear 1st floor roof. Internal alterations include the removal of non-original partitions and lobbies, reinstatement of original layout and revised door openings, removal and replacement of modern light fittings and floor finishes, installation of new MEP services throughout, and replacement of existing non-fire-rated doors with timber fire doors.
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2015/7158/L Granted
32 Percy Street London W1T 2DE
Erection of 2 storey rear extension with copper roof and rooflights (including basement excavation) following demolition of existing extension, replacement front windows at 2nd floor level, replacement rear windows, alteration to rear dormer, insertion of rooflight, 4 condensers at roof level, 1 condenser to front vault and various internal alterations, all to existing offices (Class B1).
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2014/3532/P Withdrawn
32 Percy Street london W1T 2DE
The change of use from office (Class B1) to residential dwelling (Class C3) to form one 4 bedroom house, demolition and rebuilding of existing rear extension.
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2014/3593/L Withdrawn
32 Percy Street london W1T 2DE
Internal alterations associated with the change of use from office (Class B1) to residential dwelling (Class C3) to form one 4 bedroom house, demolition and rebuilding of existing rear extension.
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2013/7452/L Withdrawn
32 Percy Street London W1T 2DE
The change of use from office (Class B1) to residential dwelling (Class C3) to form 4x1 bedroom house, alterations to front and rear at ground floor level, demolition and rebuilding of existing rear extension, and provision of roof terrace on the rear extension.
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2013/7340/P Withdrawn
32 Percy Street London W1T 2DE
The change of use from office (Class B1) to residential dwelling (Class C3) to form 1x4 bedroom house, alterations to front and rear at ground floor level, demolition and rebuilding of existing rear extension, and provision of roof terrace on the rear extension.
Timeline
Dates from the published record
-
5 Oct 2017
Decision issued: Granted Subject to a Section 106 Legal Agreement
-
22 Jul 2026
Added to PlanIndex
What this grant of permission means
Camden granted permission on 5 October 2017, 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
-
32 Percy Street London W1T 2DE
Erection of 2 storey rear extension with copper roof and rooflights (including basement excavation) following demolition of existing extension, replacement front windows at 2nd floor level, replacement rear windows, alteration to rear dormer, insertion of rooflight, 4 condensers at roof level, 1 condenser to front vault and various internal alterations, all to existing offices (Class B1).
Granted Heritage and listed buildings Extension Loft or dormer +2 -
32 Percy Street London W1T 2DE
Installation of 4 air source heat pump units to roof valley on supporting steelwork (following removal of an existing air conditioning unit), removal and replacement of rooflights and roof glazing to rear ground floor extension and above rear lightwell with revised configuration; installation of new rooflight to replace existing dormer to allow roof access; addition of new doors to front and rear basement vaults to provide new storage areas; and addition of sedum cassettes to rear 1st floor roof.
Granted Full applications Extension Loft or dormer +1 -
32 Percy Street London W1T 2DE
The change of use from office (Class B1) to residential dwelling (Class C3) to form 4x1 bedroom house, alterations to front and rear at ground floor level, demolition and rebuilding of existing rear extension, and provision of roof terrace on the rear extension.
Withdrawn Heritage and listed buildings Extension DemolitionDomestic -
32 Percy Street London W1T 2DE
External alterations in connection with the installation of 4 air source heat pump units to roof valley on supporting steelwork, removal and replacement of rooflights and roof glazing to rear ground floor extension and rear lightwell; installation of new rooflight to replace existing dormer; addition of new doors to front and rear basement vaults; and addition of sedum cassettes to rear 1st floor roof. Internal alterations include the removal of non-original partitions and lobbies, reinstatement of original layout and revised door openings, removal and replacement of modern light fittings and floor finishes, installation of new MEP services throughout, and replacement of existing non-fire-rated doors with timber fire doors.
Granted Heritage and listed buildings Extension Loft or dormer +1 -
32 Percy Street london W1T 2DE
The change of use from office (Class B1) to residential dwelling (Class C3) to form one 4 bedroom house, demolition and rebuilding of existing rear extension.
Withdrawn Full applications Extension DemolitionDomestic -
32 Percy Street london W1T 2DE
Internal alterations associated with the change of use from office (Class B1) to residential dwelling (Class C3) to form one 4 bedroom house, demolition and rebuilding of existing rear extension.
Withdrawn Heritage and listed buildings Extension DemolitionDomestic
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In Camden
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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.
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2026/3830/P Awaiting decision
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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)
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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”
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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.