Skip to content
PlanIndex Get alerts
Menu

Planning application

6 Court Lane London Southwark SE21 7DR

Granted Southwark 25/AP/3437 Householder Application

Works: Extension 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

Contruction of an extension to existing outbuilding

As published by the council, reference 25/AP/3437

Application record

Reference
25/AP/3437
Type
Householder Application
Status
Granted
Decision
Granted As published: Householder - GRANTED
Received
25 Nov 2025
Validated
26 Nov 2025
Decided
20 Jan 2026
Ward
Dulwich Village
Parish
Dulwich
Decision by
Delegated Panel - Simple
Postcode
SE21 7DR

Site history

Applications at this address on the Southwark register

This site has had 3 applications since 2020: 3 approved, 0 refused.

  • 20/AP/2018 Granted

    6 Court Lane London Southwark SE21 7DR

    Construction of a single storey side and rear extension, construction of a bin store and electric car charging point to front, insertion of 2 x roolights to rear outrigger, removal of 1 x window and replacement window to first floor side and construction of a single storey rear outbuilding (gym and external terrace).

    Decided 15 Sep 2020 Householder
  • 20/AP/2019 Granted

    6 Court Lane London Southwark SE21 7DR

    Re-cladding of existing dormer on the side and rear elevation

    Decided 16 Oct 2020 Householder

Timeline

Dates from the published record

  1. 25 Nov 2025

    Received by Southwark

  2. 26 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 20 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

Design Squared Ltd Agent, a design practice registered in Brighton

Active · incorporated 2010 · Brighton

135 applications on PlanIndex · across 13 councils · 93% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

18 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Southwark granted permission on 20 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 0.3 miles

  • 6 Court Lane London Southwark SE21 7DR

    20/AP/2018 Submitted 22 Jul 2020 50 yards away

    Construction of a single storey side and rear extension, construction of a bin store and electric car charging point to front, insertion of 2 x roolights to rear outrigger, removal of 1 x window and replacement window to first floor side and construction of a single storey rear outbuilding (gym and external terrace).

    Granted Householder Extension Windows or glazing 22 docs
    Small domestic
  • 6 Court Lane London Southwark SE21 7DR

    20/AP/2019 Submitted 22 Jul 2020 50 yards away

    Re-cladding of existing dormer on the side and rear elevation

    Granted Householder Loft or dormer 16 docs
    Domestic
  • 12 Court Lane London Southwark SE21 7DR

    25/AP/2643 Submitted 15 Sep 2025 50 yards away

    Tree works prune the pittosporum tree: Reduction: 2 m, Thinning: maximum 10%, Lift: 2.5 m above ground level

    Granted Trees 3 docs
  • 61 Dulwich Village London Southwark SE21 7BJ

    26/AP/0934 Submitted 31 Mar 2026 50 yards away

    Works to tree with a TPO: T1 on appended arboricultural report (TPO no. 521A 2018), and T2 and TG1 as identified on the appended Tree Survey. The proposals, as set out in the appended report, seek to enable the replacement of an incoming lead water pipe with a new pipe.

    Granted Trees 13 docs
  • 61 Dulwich Village London Southwark SE21 7BJ

    23/AP/2935 Submitted 20 Oct 2023 50 yards away

    Lowering basement floor slab, removing the conservatory roof and reinstating rear basement light well with new patio doors, replacing garage door with partially glazed wall and replacing wall/door to storage beneath entrance steps.

    Granted Householder Extension Windows or glazing 43 docs
    Small domestic
  • The Crown And Greyhound 73 Dulwich Village London Southwark SE21 7BJ

    25/AP/2931 Submitted 9 Oct 2025 50 yards away

    99% historically approved · decision due ~4 Dec

    6851 Sycamore - Clear basal and epicormic growth, and remove deadwood. 6850 Common Ash - Create pollard structure at 2m away from crown break back to closest growth points and sever ivy at base. 6849 Sycamore - Crown reduce, sever ivy to 2m, remove leaning secondary stem (no herbicide), and clear deadwood in canopy. 6848 Cherry Laurel - Pollard to approximately 2.4m above ground level; wounds will exceed 10cm but species is tolerant. 6847 Common Ash - Fell to 50cm above ground and treat with systemic herbicide. 6846 Apple Species - Fell to approximately 1m above ground and treat with systemic herbicide. 6845 Sycamore - Crown reduce, sever ivy to 2m, cut ivy back to stem in canopy to allow for full inspection, remove deadwood, remove lowest limb on South Western aspect (approx 3.5m) back to stem and crown lift to 4m above ground level. 6844 Common Holly - Fell to 50cm above ground and treat with systemic herbicide. 6843 Horse Chestnut - Clear basal and epicormic growth and sever ivy to 2m above ground. 6842 Sycamore - Re-coppice stems back to ground level. 6841 Pedunculate Oak - Crown reduce, sever ivy to 2m, cut ivy in canopy for inspection, and remove deadwood.

    Awaiting decision Trees 5 docs

In Southwark

  • 26/AP/2158 Granted

    7 Alma Grove London Southwark SE1 5PY

    Erection of a rear ground floor side extension with a framed glass roof and bi-folding rear doors. Replacement of windows and door. Alterations to external facade.

    Received 21 Jul, published by the council 25 Jul 2026 Householder
  • 26/AP/2601 Awaiting decision

    49 Henshaw Street London Southwark SE17 1PE

    Demolition of existing rear extension and construction of part single, part two storey rear extension and erection of roof terrace on main roof with balustrades and glazed access hatch.

    2 Sep 2026 Householder
  • 26/AP/2545 Awaiting decision

    76 Shenley Road London Southwark SE5 8NQ

    Construction of a single storey side and rear extension to the rear; construction of a rear dormer roof extension over the main roofslope and the installation of 3x rooflights to the front roofslope.

    Received 26 Aug, published by the council 3 Sep 2026 Householder
  • 26/AP/2533 Awaiting decision

    28 Tyrrell Road London Southwark SE22 9NE

    Construction of rear extension.

    Received 25 Aug, published by the council 28 Aug 2026 Householder
  • 26/AP/2517 Awaiting decision

    65 Calton Avenue London Southwark SE21 7DF

    Construction of a ground-floor side-rear extension with terrace reinstated above; alterations to the rear outrigger, including raising the eaves and ridge, removal of the chimney stack, replacement windows, and installation of two rooflights; enlargement of the existing rear dormer; erection of bin and bike stores in the front garden, together with new landscaping and a front boundary wall; installation of an EV charger to front elevation and removal of existing front porch door; removal of existing garden buildings and erection of a shed, sauna and pergola in the rear garden, together with new landscaping and decking.

    Received 24 Aug, published by the council 28 Aug 2026 Householder