Planning application
2015/2419/L
177 King's Cross Road London WC1X 9BZ
Proposal
Internal and external alterations and extensions including raising the height of the eaves on rear elevation at second floor level (following removal of existing mansard) and erection of mansard roof together with new internal staircase all in association with the existing residential dwelling (C3 use).
As published by the council, reference 2015/2419/L
Timeline
Dates from the published record
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17 Aug 2015
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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2015/1352/P Granted
177 King's Cross Road London WC1X 9BZ
Alterations and extensions including raising the height of the eaves on rear elevation at second floor level (following removal of existing mansard) and erection of mansard roof in association with the existing residential dwelling (C3 use).
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2026/1103/P Awaiting decision
8-12 Leeke Street London WC1X 9HT
Change of use of the first and second floors from office (Use Class E) to a single residential dwelling (Use Class C3), retention of the ground floor office use, creation of a new residential entrance at street level, and associated external alterations.
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2018/1253/P Granted
8-12 Leeke Street LONDON WC1X 9HT
Installation of 6 x air source heat pumps and associated acoustic enclosure on the roof of the building following the removal of 5 air source heat pumps on the roof and 1 on the west side elevation at first floor level in association with the existing office use (B1 use class).
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2018/1748/P Withdrawn
8-12 Leeke Street London WC1X 9HT
Condensers (x6) for air source heat pumps installed at roof level for more than 10 years.
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2024/4526/P Granted
2-6 Leeke Street London WC1X 9HS
Installation of 5 x air source heat pumps on roof, enclosed within acoustic louvre screens; external alterations including infilling of two window openings on first and second floor, alterations to existing window and doors and redecoration of façade.
-
2025/1696/P Granted
2-6 Leeke Street London WC1X 9HS
Replacement of all existing single glazed crittall windows with double glazed metal windows, installation of louvres and infill of 2 x window and 1 x door opening to courtyard elevation.
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.
-
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
-
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).