Planning application
26/01982/FUL
34 Harpenden Road London SE27 0AE
Proposal
Erection of a rear mansard roof extension to the top flat.
As published by the council, reference 26/01982/FUL
Timeline
Dates from the published record
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6 Jul 2026
Received by Lambeth
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3 Aug 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 Lambeth 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 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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26/01983/FUL Awaiting decision
34 Harpenden Road London SE27 0AE
Erection of a single storey rear extension to the ground floor flat.
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26/01401/FUL Awaiting decision
34 Harpenden Road London SE27 0AE
Erection of a rear dormer extension including two roof lights to the front and two mansard windows to the rear (top floor flat)
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26/00529/LDCE Granted
34 Harpenden Road London SE27 0AE
Certificate of Lawful Development (existing) for the use of 2 self contained flats at 34 Harpenden Road.
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21/01741/FUL Granted
40 Harpenden Road London SE27 0AE
Erection of a single storey ground floor rear and side infill extension and installation of a 2.4m high boundary wall.
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24/02530/FUL Refused
264A Norwood Road London SE27 9AJ
Erection of a mansard roof extension to existing dwellinghouse.
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16/05197/P3O Granted
264A Norwood Road London SE27 9AJ
Prior Approval for the change of use from offices (Use Class B1 (a) to a self-contained apartment (Use Class C3) at ground floor level.
Other full applications applications
In Lambeth
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26/01656/FUL Refused
130 Landor Road London SW9 9JB
Replacement of an existing first floor front window with double doors to provide access onto the existing flat roof.
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26/01266/FUL Granted
255 Coldharbour Lane London SW9 8RP
Replacement of single-glazed timber French doors and flanking casements with double-glazed timber French doors and flanking casements and repair of all remaining windows and doors (Flat A).
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26/01706/FUL Granted
10 Francis Bentley Mews London SW4 0EG
Erection of a two-storey side extension incorporating a ground-floor car port, with a flat roof incorporating solar photovoltaic panels, together with the insertion of a new external door in the existing ground-floor side elevation.
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26/01328/FUL Refused
1 White Hart Street London SE11 4EP
Subdivision of the existing single residential unit into 2 self-contained residential units (Use Class C3), together with erection of a partial ground floor rear extension, associated fenestration alterations, provision of bin and cycle storage, and other associated works.
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26/01242/FUL Granted
25 Cavendish Road London Lambeth SW12 0BH
Erection of a single storey ground floor rear extension and the conversion of the garage into a habitable room including the replacement of the garage door with windows.