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Planning application

145 Court Lane London Southwark SE21 7EE

Awaiting decision Southwark 25/AP/2819 Certificate of Lawful Dev. - Proposed

Works: Demolition

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

Proposal

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

As published by the council, reference 25/AP/2819

Application record

Reference
25/AP/2819
Type
Certificate of Lawful Dev. - Proposed
Status
Under consideration/assessment
Received
30 Sep 2025
Validated
1 Oct 2025
Ward
Dulwich Village
Parish
Dulwich
Postcode
SE21 7EE

Site history

Applications at this address on the Southwark register

This site has had 8 applications since 2025: 4 approved, 0 refused.

  • 26/AP/2982 Granted

    145 Court Lane London Southwark SE21 7EE

    5 Day Notification: Overall reduction and reshape to T1 Magnolia. Reducing a tree of approximately 5.5m to 3.5m in Height and up to 2m in lateral spread. Reason to facilitate works in association with 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'. All works in accordance with BS:3998:2010 as discussed onsite with LPA Urban Forester during the pre-commencement site visit.

    Submitted 9 Oct 2026
  • 26/AP/2672 Awaiting decision

    145 Court Lane London Southwark SE21 7EE

    Details of condition 8 (Basement Details) pursuant to planning permission 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.)

    Submitted 9 Sep 2026
  • 26/AP/2704 Awaiting decision

    145 Court Lane London Southwark SE21 7EE

    Details of condition 9 (Highway condition) pursuant to planning permission 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.)

    Submitted 9 Sep 2026
  • 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/3369 Awaiting decision

    145 Court Lane London Southwark SE21 7EE

    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.

    Submitted 18 Nov 2025 Householder

Timeline

Dates from the published record

  1. 30 Sep 2025

    Received by Southwark

  2. 1 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 26 November 2025, 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.

Who's behind it

Company information only, from the register and Companies House

Mittelman Associates LLP Agent, registered in London

Active · incorporated 2008 · London

38 applications on PlanIndex · across 5 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

8 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 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 lawful development applications in a median of 50 days. More in our guide to how long planning decisions take.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 145 Court Lane London Southwark SE21 7EE

    26/AP/1511 Submitted 26 May 2026 50 yards 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 50 yards 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 50 yards 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

  • 145 Court Lane London Southwark SE21 7EE

    25/AP/3369 Submitted 18 Nov 2025 50 yards 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

    26/AP/2982 Submitted 9 Oct 2026 50 yards away

    5 Day Notification: Overall reduction and reshape to T1 Magnolia. Reducing a tree of approximately 5.5m to 3.5m in Height and up to 2m in lateral spread. Reason to facilitate works in association with 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'. All works in accordance with BS:3998:2010 as discussed onsite with LPA Urban Forester during the pre-commencement site visit.

    Granted Extension Loft or dormer +2

  • 129 Court Lane London Southwark SE21 7EE

    22/AP/3372 Submitted 26 Sep 2022 50 yards away

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

    Granted Lawful development 7 docs
    Small domestic

In Southwark

  • 26/AP/2574 Awaiting decision

    23 Alberta Street London Southwark SE17 3SF

    Certificate of lawfulness (proposed) for construction of a rear dormer and the installation of 1x rooflight to the front roofslope.

    Received 1 Sep, published by the council 8 Sep 2026 Lawful development
  • 26/AP/2509 Awaiting decision

    Newington Gardens Harper Road London Southwark SE1

    Certificate of Lawfulness (proposed) for improvement works to the playground at Newington Gardens to include the removal of current playground equipment and installation of new accessible equipment.

    Received 21 Aug, published by the council 7 Sep 2026 Lawful development
  • 26/AP/1673 Granted

    Flat 67 Benbow House 24 New Globe Walk London Southwark SE1 9DS

    Certificate of Lawful Development to replace existing external doors with new thermally improved doors

    Received 11 Jun, published by the council 25 Jul 2026 Lawful development
  • 26/AP/1909 Granted

    6 Ethnard Road London Southwark SE15 1RU

    Certificate of lawfulness (proposed) for a loft conversion with rear dormer

    Received 30 Jun, published by the council 25 Jul 2026 Lawful development
  • 26/AP/2486 Awaiting decision

    84 Croxted Road London Southwark SE21 8NP

    Certificate of lawfulness (proposed) for the formation of a moveable structure (as defined under the Caravan Site Act) that can be separated into 2 sections and removed from the rear garden by crane. Refer to the following drawings: 318 SP 00 (PD) 318 SP 01 (PD) 318 SP 101 (PD) 318 GS 01 (PD) 318 GS 02 (PD)

    Received 19 Aug, published by the council 20 Aug 2026 Lawful development