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Planning application

8 Gladstone Street London Southwark SE1 6EY

Granted Southwark 26/AP/0149 Listed Building Consent

Works: Extension Loft or dormer Windows or glazing

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

Proposal

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.

As published by the council, reference 26/AP/0149

Application record

Reference
26/AP/0149
Type
Listed Building Consent
Status
Granted
Decision
Listed Building Consent - GRANTED
Received
19 Jan 2026
Validated
27 Jan 2026
Decided
1 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  • 26/AP/0145 Withdrawn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  • 26/AP/0148 Withdrawn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/0146 Granted

    8 Gladstone Street London Southwark SE1 6EY

    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 8 May 2026 Householder
  • 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. 1 May 2026

    Decision issued: Listed Building Consent - 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

26 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 1 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 heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. 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/0146 Submitted 19 Jan 2026 0m away

    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 Householder Extension Loft or dormer +1 30 docs
    Domestic

  • 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/0792 Granted

    11 Portland Street London Southwark SE17 2PF

    Listed building consent for internal alterations including replacement of floorboards and partitions

    19 Mar 2026 Heritage and listed buildings
  • 26/AP/1408 Granted

    73A Peckham Road London Southwark SE5 8UH

    Listed Building Consent for the replacement of the unauthorised UPVC front entrance door with a timber heritage door. (revised description)

    15 May 2026 Heritage and listed buildings
  • 26/AP/0879 Granted

    Anchor 1 Bankside London Southwark SE1 9DN

    Remove the redundant kitchen and service area to the mezzanine area and provide a new bar servery including backfitting and counter

    25 Mar 2026 Heritage and listed buildings
  • 26/AP/1240 Granted

    Anchor 1 Bankside London Southwark SE1 9DN

    Listed building consent for Installation of replacement signs to include 2x pictorial projecting sign, 1x 3D Anchor, 4x fascia signs, 2x menu cases, 2x door plaques, 1 large lantern, 9x small lanterns 1x set of building numbers and repainting of the exterior windows and doors by others

    29 Apr 2026 Heritage and listed buildings
  • 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 Heritage and listed buildings