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Planning application

8 Gladstone Street London Southwark SE1 6EY

Granted Southwark 26/AP/0146 Householder Application

Works: Extension Loft or dormer Windows or glazing Domestic

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

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Extension of the existing mansard roof with two dormer windows along with minor layout alterations on second floor level and retrospective permission for retention of openable glass roof facilitating access to roof.

As published by the council, reference 26/AP/0146

Application record

Reference
26/AP/0146
Type
Householder Application
Status
Granted
Decision
Householder - GRANTED
Received
19 Jan 2026
Validated
27 Jan 2026
Decided
8 May 2026
Ward
St Georges
Parish
Borough, Bankside And Walworth
Decision by
Delegated Panel - Simple
Postcode
SE1 6EY

Site history

Applications at this address on the Southwark register

This site has had 6 applications since 2026: 4 approved, 0 refused.

  • 26/AP/0145 Withdrawn

    8 Gladstone Street London Southwark SE1 6EY

    Construction of a first and second-floor extension over the existing rear outrigger, installation of two sash windows and a Juliet balcony to the rear.

    Decided 27 Mar 2026 Householder
  • 26/AP/0148 Withdrawn

    8 Gladstone Street London Southwark SE1 6EY

    Listed building consent for the construction of a first and second-floor extension over the existing rear outrigger, installation of two sash windows and a Juliet balcony to the rear, with minor alterations to landings and internal alterations on first and second floor levels at 8 Gladstone Street

    Decided 30 Mar 2026 Heritage and listed buildings
  • 26/AP/0149 Granted

    8 Gladstone Street London Southwark SE1 6EY

    Listed building consent for the extension of the existing mansard roof with two dormer windows along with minor layout alterations on second floor level and retrospective permission for retention of openable glass roof facilitating access to roof.

    Decided 1 May 2026 Heritage and listed buildings
  • 26/AP/0147 Granted

    8 Gladstone Street London Southwark SE1 6EY

    Listed building consent for the installation of a glass roof over the lower ground floor rear lightwell; damp-proofing works and installation of insulation at lower ground floor level; construction of a first-floor extension over the existing rear outrigger; internal alterations to the lower ground, first and second floors to open up the layout; replacement of the existing Juliet balcony doors with a sash window; and replacement of the rear door with a pair of timber-framed French doors.

    Decided 1 May 2026 Heritage and listed buildings
  • 26/AP/0143 Granted

    8 Gladstone Street London Southwark SE1 6EY

    Installation of a glass roof over the lower ground floor rear lightwell; damp-proofing works and installation of insulation at lower ground floor level; construction of a first-floor extension over the existing rear outrigger; internal alterations to the lower ground, first and second floors to open up the layout; replacement of the existing Juliet balcony doors with a sash window; and replacement of the rear door with a pair of timber-framed French doors.

    Decided 8 May 2026 Householder

Timeline

Dates from the published record

  1. 19 Jan 2026

    Received by Southwark

  2. 27 Jan 2026

    Validated

    Checked as complete and ready for consideration.

  3. 8 May 2026

    Decision issued: Householder - GRANTED

  4. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, an architecture practice registered in London

10 applications on PlanIndex · across 4 councils

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Documents

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

30 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.

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What this grant of permission means

Southwark granted permission on 8 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 8 Gladstone Street London Southwark SE1 6EY

    26/AP/0145 Submitted 19 Jan 2026 0m away

    Construction of a first and second-floor extension over the existing rear outrigger, installation of two sash windows and a Juliet balcony to the rear.

    Withdrawn Householder Extension Windows or glazing 30 docs
    Domestic

  • 8 Gladstone Street London Southwark SE1 6EY

    26/AP/0148 Submitted 19 Jan 2026 0m away

    Listed building consent for the construction of a first and second-floor extension over the existing rear outrigger, installation of two sash windows and a Juliet balcony to the rear, with minor alterations to landings and internal alterations on first and second floor levels at 8 Gladstone Street

    Withdrawn Heritage and listed buildings Extension Windows or glazing 27 docs

  • 8 Gladstone Street London Southwark SE1 6EY

    26/AP/0149 Submitted 19 Jan 2026 0m away

    Listed building consent for the extension of the existing mansard roof with two dormer windows along with minor layout alterations on second floor level and retrospective permission for retention of openable glass roof facilitating access to roof.

    Granted Heritage and listed buildings Extension Loft or dormer +1 26 docs

  • 8 Gladstone Street London Southwark SE1 6EY

    26/AP/0147 Submitted 19 Jan 2026 0m away

    Listed building consent for the installation of a glass roof over the lower ground floor rear lightwell; damp-proofing works and installation of insulation at lower ground floor level; construction of a first-floor extension over the existing rear outrigger; internal alterations to the lower ground, first and second floors to open up the layout; replacement of the existing Juliet balcony doors with a sash window; and replacement of the rear door with a pair of timber-framed French doors.

    Granted Heritage and listed buildings Extension Windows or glazing 44 docs

  • 8 Gladstone Street London Southwark SE1 6EY

    26/AP/0143 Submitted 19 Jan 2026 0m away

    Installation of a glass roof over the lower ground floor rear lightwell; damp-proofing works and installation of insulation at lower ground floor level; construction of a first-floor extension over the existing rear outrigger; internal alterations to the lower ground, first and second floors to open up the layout; replacement of the existing Juliet balcony doors with a sash window; and replacement of the rear door with a pair of timber-framed French doors.

    Granted Householder Extension Windows or glazing 51 docs
    Domestic

  • 16 Gladstone Street London Southwark SE1 6EY

    20/AP/2476 Submitted 1 Sep 2020 18m away

    Partial discharge of Condition 3 (natural slate) dated 17/06/2020 [LBS Ref 20/AP/1145] for 'Demolition of existing outrigger structure at ground floor level, vertical extension of existing lower ground outrigger to ground and first floor. Introduction of a new door to the garden at the rear, widened steps up to garden level. Relocation of lower ground floor kitchen window to the new first floor rear extension. The existing rear stairwell window is also to be reinstated in the rear ground floor extension. Demolition of existing roof and erection of mansard extension, set back from front parapet. At the rear, mansard structure to be set back behind the existing and retained butterfly roof profile. Two dormer windows to the rear, two patio doors to the front. Internal changes include changes to the partitions at lower ground floor level, reinstatement of the original partition layout at ground floor and the removal of non-original arched alcove soffits at first floor'.

    Granted Conditions Extension Loft or dormer +2 7 docs

In Southwark

  • 26/AP/0707 Granted

    33 Abbotswood Road London Southwark SE22 8DJ

    Construction of a rear dormer extension and ground floor rear extension.

    11 Mar 2026 Householder
  • 26/AP/0784 Granted

    60 Grove Park London Southwark SE5 8LF

    Refurbishment of the property including replacement of glazing with thermally efficient conservation windows templated after originals, construction of a single-storey rear extension, a loft extension, minor internal partition alterations, and removal of external soil vent pipes.

    18 Mar 2026 Householder
  • 26/AP/1488 Granted

    15 Canon Beck Road London Southwark SE16 7DJ

    Loft conversion including the insertion of 2 no. rooflights to the front roof slope; conversion of the existing garage to a habitable room with an associated window to replace the existing garage door on the front elevation, installation of an Air Source Heat Pump and other alterations to the rear elevation fenestration at ground floor level.

    22 May 2026 Householder
  • 26/AP/0971 Granted

    86 Henslowe Road London Southwark SE22 0AS

    Retrospective planning permission for alterations to front garden layout including a front porch with projecting canopy, alterations to window apertures and fenestration, provision of cycle and refuses stores, along with hard and soft landscaping. new bin store and raised porch roof and revisions to front elevation fenestration.

    2 Apr 2026 Householder
  • 26/AP/1519 Granted

    61 Tyrrell Road London Southwark SE22 9NE

    Construction for a rear and side wrap around ground floor extension

    27 May 2026 Householder