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Planning application

145 Court Lane London Southwark SE21 7EE

Awaiting decision Southwark 25/AP/3369 Householder Application

Works: Extension Loft or dormer Windows or glazing Domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

A full house renovation including a lower-ground floor with front and rear lightwells, construction of a ground-floor rear extension, internal alterations on all floors, refurbishment of the existing elevations and windows, alterations to the loft including revised staircase and refurbished dormer, and installation of an air source heat pump.

As published by the council, reference 25/AP/3369

Application record

Reference
25/AP/3369
Type
Householder Application
Status
Under consideration/assessment
Received
18 Nov 2025
Validated
19 Nov 2025
Ward
Dulwich Village
Parish
Dulwich
Postcode
SE21 7EE

Site history

Applications at this address on the Southwark register

This site has had 5 applications since 2025: 3 approved, 0 refused.

  • 26/AP/1511 Granted

    145 Court Lane London Southwark SE21 7EE

    Details of Condition 7 'Construction and Environmental Management Plan' required by planning permission ref: 25/AP/3369 'Renovation including a lower-ground floor with front and rear lightwells, construction of a ground-floor rear extension, internal alterations on all floors, refurbishment of the existing elevations and windows, alterations to the loft including revised staircase and refurbished dormer to include zinc cladding, and installation of an air source heat pump'

    Decided 14 Jul 2026 Conditions
  • 26/AP/1510 Granted

    145 Court Lane London Southwark SE21 7EE

    Partial discharge of condition 4 for Part C Only 'Cross Sections through Root Protection Areas' required by planning permission ref: 25/AP/3369 'Renovation including a lower-ground floor with front and rear lightwells, construction of a ground-floor rear extension, internal alterations on all floors, refurbishment of the existing elevations and windows, alterations to the loft including revised staircase and refurbished dormer to include zinc cladding, and installation of an air source heat pump'

    Decided 23 Jun 2026 Conditions
  • 26/AP/1507 Granted

    145 Court Lane London Southwark SE21 7EE

    Partial discharge of condition 4, Part B ONLY 'Arboricultural Method Statement' required by planning permission ref: 25/AP/3369 'Renovation including a lower-ground floor with front and rear lightwells, construction of a ground-floor rear extension, internal alterations on all floors, refurbishment of the existing elevations and windows, alterations to the loft including revised staircase and refurbished dormer to include zinc cladding, and installation of an air source heat pump'

    Decided 13 Jul 2026 Conditions
  • 25/AP/2819 Awaiting decision

    145 Court Lane London Southwark SE21 7EE

    Certificate of lawfulness (proposed) for the demolition of the existing outbuilding and toolshed and the construction of a new outbuilding and toolshed.

    Submitted 30 Sep 2025 Lawful development

Timeline

Dates from the published record

  1. 18 Nov 2025

    Received by Southwark

  2. 19 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 14 January 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Southwark took a median of 52 days over the applications it decided in the last year.

Cases linked to this one on the register

3 later applications on the register refer to this one:

  • 26/AP/1511 Granted

    145 Court Lane London Southwark SE21 7EE

    Details of Condition 7 'Construction and Environmental Management Plan' required by planning permission ref: 25/AP/3369 'Renovation including a lower-ground floor with front and rear lightwells, construction of a ground-floor rear extension, internal alterations on all floors, refurbishment of the existing elevations and windows, alterations to the loft including revised staircase and refurbished dormer to include zinc cladding, and installation of an air source heat pump'

    Decided 14 Jul 2026 Conditions
  • 26/AP/1510 Granted

    145 Court Lane London Southwark SE21 7EE

    Partial discharge of condition 4 for Part C Only 'Cross Sections through Root Protection Areas' required by planning permission ref: 25/AP/3369 'Renovation including a lower-ground floor with front and rear lightwells, construction of a ground-floor rear extension, internal alterations on all floors, refurbishment of the existing elevations and windows, alterations to the loft including revised staircase and refurbished dormer to include zinc cladding, and installation of an air source heat pump'

    Decided 23 Jun 2026 Conditions
  • 26/AP/1507 Granted

    145 Court Lane London Southwark SE21 7EE

    Partial discharge of condition 4, Part B ONLY 'Arboricultural Method Statement' required by planning permission ref: 25/AP/3369 'Renovation including a lower-ground floor with front and rear lightwells, construction of a ground-floor rear extension, internal alterations on all floors, refurbishment of the existing elevations and windows, alterations to the loft including revised staircase and refurbished dormer to include zinc cladding, and installation of an air source heat pump'

    Decided 13 Jul 2026 Conditions

Who's behind it

Company information only, from the register and Companies House

Agent on file, registered in London

20 applications on PlanIndex · across 2 councils · 100% granted

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Documents

Plans, drawings, consultee responses and the officer's report

20 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What happens while it is decided

This application is with Southwark for determination, against a statutory target of eight weeks. Over the last year Southwark decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 145 Court Lane London Southwark SE21 7EE

    25/AP/2819 Submitted 30 Sep 2025 2m away

    95% historically approved · decision due ~26 Nov

    Certificate of lawfulness (proposed) for the demolition of the existing outbuilding and toolshed and the construction of a new outbuilding and toolshed.

    Awaiting decision Lawful development Demolition 8 docs

  • 145 Court Lane London Southwark SE21 7EE

    26/AP/1511 Submitted 26 May 2026 2m away

    Details of Condition 7 'Construction and Environmental Management Plan' required by planning permission ref: 25/AP/3369 'Renovation including a lower-ground floor with front and rear lightwells, construction of a ground-floor rear extension, internal alterations on all floors, refurbishment of the existing elevations and windows, alterations to the loft including revised staircase and refurbished dormer to include zinc cladding, and installation of an air source heat pump'

    Granted Conditions Extension Loft or dormer +1 8 docs

  • 145 Court Lane London Southwark SE21 7EE

    26/AP/1510 Submitted 26 May 2026 2m away

    Partial discharge of condition 4 for Part C Only 'Cross Sections through Root Protection Areas' required by planning permission ref: 25/AP/3369 'Renovation including a lower-ground floor with front and rear lightwells, construction of a ground-floor rear extension, internal alterations on all floors, refurbishment of the existing elevations and windows, alterations to the loft including revised staircase and refurbished dormer to include zinc cladding, and installation of an air source heat pump'

    Granted Conditions Extension Loft or dormer +1 6 docs

  • 145 Court Lane London Southwark SE21 7EE

    26/AP/1507 Submitted 26 May 2026 2m away

    Partial discharge of condition 4, Part B ONLY 'Arboricultural Method Statement' required by planning permission ref: 25/AP/3369 'Renovation including a lower-ground floor with front and rear lightwells, construction of a ground-floor rear extension, internal alterations on all floors, refurbishment of the existing elevations and windows, alterations to the loft including revised staircase and refurbished dormer to include zinc cladding, and installation of an air source heat pump'

    Granted Conditions Extension Loft or dormer +1 8 docs

  • 129 Court Lane London Southwark SE21 7EE

    22/AP/3372 Submitted 26 Sep 2022 11m away

    Certificate of lawful development (proposed) for the installation of a garden studio/shed

    Granted Lawful development 7 docs
    Small domestic

  • 151 Court Lane London Southwark SE21 7EE

    26/AP/1396 Submitted 14 May 2026 19m away

    Works to tree with a TCA: T1 - Goat Willow Tree growing on the right hand side in the rear garden - To reduce by 2m all round, with up to 3m on the neighbours side, from a current branch length of 5m, reducing by 2m leaving a finished branch length of 3m. T2 - Plum Tree on the left hand side in the rear garden - To reduce the top growth by 2m, from a current height of 5m, reducing by 2m, leaving a finished height of 3m.To reduce the remaining crown to reshape by up to 1m. To crown thin by 10%.

    Granted Trees 8 docs

In Southwark

  • 26/AP/0707 Granted

    33 Abbotswood Road London Southwark SE22 8DJ

    Construction of a rear dormer extension and ground floor rear extension.

    11 Mar 2026 Householder
  • 26/AP/0784 Granted

    60 Grove Park London Southwark SE5 8LF

    Refurbishment of the property including replacement of glazing with thermally efficient conservation windows templated after originals, construction of a single-storey rear extension, a loft extension, minor internal partition alterations, and removal of external soil vent pipes.

    18 Mar 2026 Householder
  • 26/AP/1488 Granted

    15 Canon Beck Road London Southwark SE16 7DJ

    Loft conversion including the insertion of 2 no. rooflights to the front roof slope; conversion of the existing garage to a habitable room with an associated window to replace the existing garage door on the front elevation, installation of an Air Source Heat Pump and other alterations to the rear elevation fenestration at ground floor level.

    22 May 2026 Householder
  • 26/AP/0971 Granted

    86 Henslowe Road London Southwark SE22 0AS

    Retrospective planning permission for alterations to front garden layout including a front porch with projecting canopy, alterations to window apertures and fenestration, provision of cycle and refuses stores, along with hard and soft landscaping. new bin store and raised porch roof and revisions to front elevation fenestration.

    2 Apr 2026 Householder
  • 26/AP/1519 Granted

    61 Tyrrell Road London Southwark SE22 9NE

    Construction for a rear and side wrap around ground floor extension

    27 May 2026 Householder