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Planning application

129 Court Lane London Southwark SE21 7EE

Granted Southwark 25/AP/3435 Householder Application

Works: Extension Demolition Small domestic

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

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Part demolition of an existing rear extension to erect a larger single-storey rear extension.

As published by the council, reference 25/AP/3435

Application record

Reference
25/AP/3435
Type
Householder Application
Status
Granted
Decision
Householder - GRANTED
Received
25 Nov 2025
Validated
8 Dec 2025
Decided
26 Jan 2026
Ward
Dulwich Village
Parish
Dulwich
Decision by
Delegated Panel - Simple
Postcode
SE21 7EE

Site history

Applications at this address on the Southwark register

This site has had 2 applications since 2022: 2 approved, 0 refused.

  • 22/AP/3372 Granted

    129 Court Lane London Southwark SE21 7EE

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

    Decided 17 Nov 2022 Lawful development

Timeline

Dates from the published record

  1. 25 Nov 2025

    Received by Southwark

  2. 8 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 26 Jan 2026

    Decision issued: Householder - GRANTED

  4. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, an architecture practice

13 applications on PlanIndex · across 4 councils

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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 this grant of permission means

Southwark granted permission on 26 January 2026, 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 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

  • 131 Court Lane London Southwark SE21 7EE

    25/AP/3310 Submitted 12 Nov 2025 8m away

    Front and rear garden improvements including landscaping, parking, storage and new fencing.

    Granted Householder 41 docs
    Domestic

  • 131 Court Lane London Southwark SE21 7EE

    25/AP/3004 Submitted 15 Oct 2025 8m away

    95% historically approved · decision due ~10 Dec

    Replacement of existing single-storey rear extension with a new single-storey full-width rear extension, replacement of the rear dormer with two dormers at loft level, renewal of roof tiles, and erection of a single-storey garden outbuilding.

    Awaiting decision Householder Extension Loft or dormer +1 14 docs
    Small domestic

  • 145 Court Lane London Southwark SE21 7EE

    25/AP/3369 Submitted 18 Nov 2025 57m away

    95% historically approved · decision due ~14 Jan

    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.

    Awaiting decision Householder Extension Loft or dormer +1 20 docs
    Domestic

  • 145 Court Lane London Southwark SE21 7EE

    25/AP/2819 Submitted 30 Sep 2025 58m 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 58m 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 58m 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

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