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Planning application

59 Ondine Road London Southwark SE15 4EA

Awaiting decision Southwark 25/AP/3662 Certificate of Lawful Dev. - Proposed

Works: Extension Loft or dormer

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 construction of a rear dormer extension and the addition of three roof lights to the front roof slope.

As published by the council, reference 25/AP/3662

Application record

Reference
25/AP/3662
Type
Certificate of Lawful Dev. - Proposed
Status
Under consideration/assessment
Received
15 Dec 2025
Validated
6 Jan 2026
Ward
Goose Green
Parish
Dulwich
Postcode
SE15 4EA

Site history

Applications at this address on the Southwark register

This site has had 4 applications since 2025: 2 approved, 0 refused.

  • 26/AP/1033 Granted

    59 Ondine Road London Southwark SE15 4EA

    Removal of an existing rear lean-to extension and erection of a single storey wrap-around ground floor extension to the rear of a semi-detached house.

    Decided 29 May 2026 Householder
  • 26/AP/1034 Granted

    59 Ondine Road London Southwark SE15 4EA

    Certificate of lawfulness (proposed) for erection of a rear dormer extension to the rear roof slope, with the addition of 3 rooflights to the front roof slope and 3 rooflights to the pitched roof over the rear outrigger, including the removal of a chimney breast on the rear roof slope, and alterations to the fenestration to the side of a semi-detached house.

    Decided 13 May 2026 Lawful development
  • 25/AP/3664 Withdrawn

    59 Ondine Road London Southwark SE15 4EA

    Construction of rear dormer extension, erection of rear wrap-around single-storey extension, installation of first floor window to side, south-west elevation of outrigger.

    Decided 16 Jan 2026 Householder

Timeline

Dates from the published record

  1. 15 Dec 2025

    Received by Southwark

  2. 6 Jan 2026

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 3 March 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.

Who's behind it

Company information only, from the register and Companies House

A1 PLANNING PORTAL Ltd Agent, a planning consultancy registered in London

Active · incorporated 2017 · London

82 applications on PlanIndex · across 31 councils · 65% 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

  • 59 Ondine Road London Southwark SE15 4EA

    25/AP/3664 Submitted 15 Dec 2025 50 yards away

    Construction of rear dormer extension, erection of rear wrap-around single-storey extension, installation of first floor window to side, south-west elevation of outrigger.

    Withdrawn Householder Extension Loft or dormer +1 11 docs
    Small domestic

  • 59 Ondine Road London Southwark SE15 4EA

    26/AP/1033 Submitted 10 Apr 2026 50 yards away

    Removal of an existing rear lean-to extension and erection of a single storey wrap-around ground floor extension to the rear of a semi-detached house.

    Granted Householder New dwelling Extension 26 docs
    Small domestic

  • 59 Ondine Road London Southwark SE15 4EA

    26/AP/1034 Submitted 10 Apr 2026 50 yards away

    Certificate of lawfulness (proposed) for erection of a rear dormer extension to the rear roof slope, with the addition of 3 rooflights to the front roof slope and 3 rooflights to the pitched roof over the rear outrigger, including the removal of a chimney breast on the rear roof slope, and alterations to the fenestration to the side of a semi-detached house.

    Granted Lawful development New dwelling Extension +2 28 docs

  • 39 Marsden Road London Southwark SE15 4EE

    23/AP/2590 Submitted 14 Sep 2023 50 yards away

    Works to a TPO tree: Resubmission to approve replacement planting T1 - XL Sycamore tree. Section fell to ground level. Grind stump. Replant with 14-16cm girth Sorbus torminalis (Wild Service Tree)

    Granted Trees 10 docs

  • 39 Marsden Road London Southwark SE15 4EE

    22/AP/1493 Submitted 26 Apr 2022 50 yards away

    5 day Notification: T1 Sycamore, Dead. Replant with suitable size Tulip tree.

    Granted Trees 5 docs

  • 51 Ondine Road London Southwark SE15 4ED

    25/AP/2298 Submitted 12 Aug 2025 50 yards away

    95% historically approved · decision due ~15 Oct

    Single storey rear wrap around extension

    Awaiting decision Householder Extension 10 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