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Planning application

20/AP/2230

38 Strathnairn Street London Southwark SE1 5BL

Granted Southwark Householder Application

Proposal

The construction of a single storey rear extension; the addition of a Juliet balcony and two windows to the rear elevation and one window to the front; and alterations to the fenestration of the front porch.

As published by the council, reference 20/AP/2230

Timeline

Dates from the published record

  1. 7 Aug 2020

    Received by Southwark

  2. 10 Aug 2020

    Validated

    Checked as complete and ready for consideration.

  3. 30 Sep 2020

    Decision issued: Householder - GRANTED

  4. 29 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • 26/AP/1420 Awaiting decision

    40 Strathnairn Street London Southwark SE1 5BL

    Certificate of lawfulness (proposed) for construction of a ground floor rear extension and a rear dormer.

    18 May 2026 5m away Lawful development
  • 22/AP/1542 Granted

    10 Strathnairn Street London Southwark SE1 5BL

    Construction of a part single storey part two storey extension to the rear and the installation of a roof light.

    29 Apr 2022 48m away Householder
  • 20/AP/2297 Granted

    17 Trothy Road London Southwark SE1 5RR

    Certificate of Lawful Development (Proposed) for the demolition existing conservatory and the construction of a new 3m deep rear extension, retractable hoarding, new decking, new pergola and new shed.

    13 Aug 2020 74m away Lawful development
  • 26/AP/1357 Granted

    22 Trothy Road London Southwark SE1 5RR

    Certificate of lawfulness (proposed) for single storey rear extension; rear dormer extension and front porch.

    12 May 2026 102m away Lawful development
  • 26/AP/1169 Granted

    25 Esmeralda Road London Southwark SE1 5RJ

    Certificate of lawfulness (proposed) for a rear dormer roof extension and three rooflights to the front main roof

    23 Apr 2026 113m away Lawful development
  • 22/AP/3844 Granted

    153 Simms Road London Southwark SE1 5QJ

    Replacement of all front and rear windows and rear garden door with timber double glazed windows and timber double glazed garden door.

    7 Nov 2022 117m away Full applications

In Southwark

  • 26/AP/2269 Awaiting decision

    88 Holmdene Avenue London Southwark SE24 9LE

    Side extension and replacement rear extension, replacement roof dormer, rooflights to the main roof, removal of a small single-pot chimney, and alterations to window openings in the side elevation.

    30 Jul 2026 Householder
  • 26/AP/1459 Granted

    422 Lordship Lane London Southwark SE22 8NE

    Demolition of the existing lean-to outrigger to facilitate the erection of a single storey rear extension and a raised decked area.

    21 May 2026 Householder
  • 26/AP/2252 Awaiting decision

    19 Crofton Road London Southwark SE5 8LY

    Erection of a rear dormer extension, including a 350 mm increase to the main roof ridge, rear-facing timber casement windows and rooflights to the dormer roof, together with the conversion of the existing loft storage space to provide a study, guest bedroom and associated storage.

    29 Jul 2026 Householder
  • 26/AP/1476 Granted

    2 Weald Close London Southwark SE16 3ET

    Proposed ground floor rear extension, garage conversion, loft conversion with rear dormer and 2no. rooflights to the front roof slope, floor plan redesign and all associated works at 2 Weald Close, SE16 3ET

    22 May 2026 Householder
  • 26/AP/2230 Awaiting decision

    11 Calton Avenue London Southwark SE21 7DE

    Erection of a single-storey side extension following demolition of the existing side extension.

    28 Jul 2026 Householder