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Planning application

20/AP/2178

First Floor Flat 16 St Marys Road London Southwark SE15 2DW

Granted Southwark Householder Application

Proposal

The construction of a rear dormer extension with a Juliet balcony and the addition of two rooflights to the front roof slope and one to the side.

As published by the council, reference 20/AP/2178

Timeline

Dates from the published record

  1. 4 Aug 2020

    Received by Southwark

  2. 5 Aug 2020

    Validated

    Checked as complete and ready for consideration.

  3. 9 Oct 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

  • 22/AP/1303 Granted

    Second Floor Flat D 16 St Marys Road London Southwark SE15 2DW

    Formation of a rear dormer extension and insertion of one rooflight to the front roof slope

    11 Apr 2022 0m away Full applications
  • 26/AP/1559 Granted

    1 Pioneer Centre Frobisher Place London Southwark SE15 2EE

    Listed building consent to replace roof coverings to both stair towers and main roof with new 2 ply torch on system over existing asphalt roof.

    1 Jun 2026 107m away Heritage and listed buildings
  • 26/AP/1335 Awaiting decision

    Flat A 146 Queens Road London Southwark SE15 2HP

    Conversion of existing maisonette into 2 x 2 bedroom self-contained residential flats

    8 May 2026 138m away Full applications
  • 26/AP/1368 Granted

    180D Queens Road London Southwark SE15 2HP

    T1 - Sycamore tree located to the front left side of the property adjacent to the front elevation boundary. Proposed works: Remove tree to ground level only. Reason for works: The tree is positioned in close proximity to the property and surrounding hardstanding areas. Replacement planting: No replacement planting proposed due to proximity of the tree to the property frontage and surrounding structures. T2 - Sycamore tree located to the front right side of the property adjacent to the front elevation boundary. Proposed works: Remove tree to ground level and treat stump to prevent regrowth. Reason for works: The tree is positioned in close proximity to the property and surrounding hardstanding areas. Replacement planting: No replacement planting proposed due to proximity of the tree to the property frontage and surrounding structures.

    12 May 2026 142m away Trees
  • 20/AP/2815 Granted

    14B Lausanne Road London Southwark SE15 2HU

    Construction of rear dormer roof extension with rooflight to front elevation

    29 Sep 2020 159m away Householder
  • 22/AP/1191 Refused

    1B, C And D Astbury Road London Southwark

    Construction of a roof extension forming a new floor, retention of a commercial unit and conversion to provide 1, one bedroom and 4, two bedroom residential dwellings with rear facing balconies and refuse and cycle storage

    1 Apr 2022 164m 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