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Planning application

20 Gylcote Close London Southwark SE5 8EU

Awaiting decision Southwark 25/AP/3182 Minor application

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Proposal for an existing 1960's ground floor flat. To upgrade the flat to meet modern safety, energy and comfort standards. The additional internal floor area is 29m2. The rear is proposed to extend 4m and the side, 1.8m. This has resulted in the improved the volume to surface area ratio which reduces heat loss rate. This has also improved the quality of the property by the addition of a third bedroom as well as the efficient use of space to introduce one new bathroom and a living room kitchen arrangement where previously the rooms were small and closed off. A patio will extend into the garden and a new fence will replace the existing which is in poor condition, on the side return. To ensure environmental alignment, the proposal considers a whole house approach by introducing external wall insulation to existing walls to reduce energy consumption of the property and to work efficiently with an air source heat pump and underfloor heating. The garden will be planted with plants local to the UK. No changes have been made to communal areas and the use remains as residential.

As published by the council, reference 25/AP/3182

Application record

Reference
25/AP/3182
Type
Minor application
Status
Under consideration/assessment
Received
3 Nov 2025
Validated
10 Nov 2025
Ward
Champion Hill
Postcode
SE5 8EU

Site history

Applications at this address on the Southwark register

This site has had 2 applications since 2025: 1 approved, 0 refused.

  • 26/AP/1836 Granted

    20 Gylcote Close London Southwark SE5 8EU

    Details of 'Biodiversity Net Gain Condition' required by planning permission ref no. 25/AP/3182 'Construction of a single storey rear/side extension with new patio and solar panels to roof, inclusion of external insulation to dwelling. Replacement of existing windows/doors and garden fence'.

    Decided 13 Aug 2026 Conditions

Timeline

Dates from the published record

  1. 3 Nov 2025

    Received by Southwark

  2. 10 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 5 January 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.

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 26/AP/1836 Granted

    20 Gylcote Close London Southwark SE5 8EU

    Details of 'Biodiversity Net Gain Condition' required by planning permission ref no. 25/AP/3182 'Construction of a single storey rear/side extension with new patio and solar panels to roof, inclusion of external insulation to dwelling. Replacement of existing windows/doors and garden fence'.

    Decided 13 Aug 2026 Conditions

Documents

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

14 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 full applications in a median of 65 days. More in our guide to how long planning decisions take.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 20 Gylcote Close London Southwark SE5 8EU

    26/AP/1836 Submitted 24 Jun 2026 50 yards away

    Details of 'Biodiversity Net Gain Condition' required by planning permission ref no. 25/AP/3182 'Construction of a single storey rear/side extension with new patio and solar panels to roof, inclusion of external insulation to dwelling. Replacement of existing windows/doors and garden fence'.

    Granted Conditions Extension Windows or glazing 9 docs
    Small domestic

  • 19 Gylcote Close London Southwark SE5 8EU

    25/AP/3814 Submitted 29 Dec 2025 50 yards away

    Hip to gable loft conversion with rear roof dormer extension and 3no. front rooflights.

    Granted Full applications Extension Loft or dormer 20 docs

  • 3 Gylcote Close London Southwark SE5 8EU

    20/AP/0507 Submitted 18 Feb 2020 50 yards away

    Construction of a ground floor rear extension.

    Granted Householder Extension 7 docs
    Domestic

  • 1, 2 And 3 Gylcote Close London Southwark SE5 8EU

    22/AP/2478 Submitted 12 Jul 2022 50 yards away

    Part retrospective application for the change of use of the open land to the rear of nos. 1-3 Gylcote Close to private garden land, in order to extend the existing rear gardens at these properties, together with the erection of 2.1 metre high wooden fencing around the land.

    Granted Full applications 14 docs

  • 37 Sunray Avenue London Southwark SE24 9PX

    22/AP/0352 Submitted 7 Feb 2022 50 yards away

    Loft conversion with two roof lights

    Granted Householder Loft or dormer 9 docs
    Domestic

  • 25A Sunray Avenue London Southwark SE24 9PY

    21/AP/1383 Submitted 23 Apr 2021 100 yards away

    Construction of a single storey timber outbuilding at the rear of a private garden.

    Granted Full applications 15 docs
    Small domestic

In Southwark

  • 26/AP/2734 Awaiting decision

    Flat D 116 Barry Road London Southwark SE22 0HP

    Construction of a rear dormer extension with juliet balcony and the addition of three roof lights to the front roof slope.

    Received 15 Sep, published by the council 11 Oct 2026 Full applications
  • 26/AP/0663 Granted

    Burgess Business Park Parkhouse Street London Southwark SE5 7TJ

    Construction of new employment floorspace to provide Class E(g)(iii) and Class B8 floorspace, together with associated external works including the installation of a security cabin and replacement boundary fencing.

    Received 5 Mar, published by the council 28 Jul 2026 Full applications
  • 26/AP/0565 Withdrawn

    Church Of St Thomas More 380 Lordship Lane London Southwark SE22 8ND

    Landscaping works to provide accessible access from the church carpark to the John Paul Community Hall and Parish Office.

    Received 25 Feb, published by the council 28 Jul 2026 Full applications
  • 26/AP/2659 Awaiting decision

    23B Adys Road London Southwark SE15 4DX

    Rear dormer with 2no. rooflights on front slope plus a roof terrace over part of rear addition roof

    8 Sep 2026 Full applications
  • 26/AP/2660 Awaiting decision

    Vintage Yard 59 - 63 Bermondsey Street London Southwark SE1 3XF

    Installation of replacement rooftop and replacement low level roof plant, elevation alterations to include the removal of existing entrance gate and refurbishment of existing front door.

    8 Sep 2026 Full applications