Planning application
2026/2537/L
26 Swinton Street London WC1X 9NX
Proposal
Demolition of the existing conservatory, construction of a rear extension, installation of replacement windows and doors, new internal staircase alterations, and reconfigured layouts at ground and lower ground floors.
As published by the council, reference 2026/2537/L
Timeline
Dates from the published record
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10 Jun 2026
Received by Camden
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17 Jun 2026
Validated
Checked as complete and ready for consideration.
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24 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Camden for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
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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2023/5120/L Refused
Basement And Ground Floor 26 Swinton Street London WC1X 9NX
Demolition of existing conservatory and rear walls, chimney breast, internal stud walls and erection of a 2 storey rear extension at lower ground floor level with internal alterations for ancillary residential floorspace.
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2023/4443/P Refused
Basement And Ground Floor Flat 26, Swinton Street London WC1X 9NX
Erection of a two storey rear extension following the demolition of the existing conservatory, to the rear elevation at lower-ground floor level.
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2026/2391/P Awaiting decision
26 Swinton Street London WC1X 9NX
Erection of a two storey rear extension following the demolition of the existing conservatory, to the rear elevation at lower-ground floor level.
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2015/2340/P Granted
Flat 1st and 2nd Floor 30 Swinton Street London WC1X 9NX
Mansard roof extension at 3rd floor level, retention of part of existing roof terrace, and associated works.
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2011/3267/P Granted
Basement Flat 30 Swinton Street London WC1X 9NX
Erection of a single storey rear extension and alterations to door, window and stair access to the front elevation of existing basement flat (Class C3)
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2015/5834/P Granted
34 Swinton Street London WC1X 9NX
Erection of a mansard roof extension to create 1 x studio flat (Use Class C3).
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).