18 Gladstone Street London Southwark SE1 6EY

This site has had 2 applications since 2026: 2 approved, 0 refused.

• 26/AP/1353 Granted

  18 Gladstone Street London Southwark SE1 6EY

  Listed building consent to replace a number of windows to the rear of the property, replacement bi-fold doors to the second floor front elevation (non-original part of house) and single door to the rear of the property to the second floor rear terrace, including external decorations and making good a leak to the pavement vaults on the lower ground floor, make good window lintel to the rear and replace both floor finishes to the terrace. Internal works include, enlarging the existing opening between the reception rooms by 300mm, replacing the existing kitchen and island, plus refurbishment of two bathrooms replacing fixtures fittings and finishes.

  Decided 16 Jul 2026 Heritage and listed buildings

1. 11 May 2026

   Received by Southwark

2. 26 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 16 Jul 2026

   Decision issued: Householder - GRANTED

4. 25 Jul 2026

   Added to PlanIndex

Southwark granted permission on 16 July 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.

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.

• 18 Gladstone Street London Southwark SE1 6EY

  26/AP/1353 Submitted 11 May 2026 50 yards away

  Listed building consent to replace a number of windows to the rear of the property, replacement bi-fold doors to the second floor front elevation (non-original part of house) and single door to the rear of the property to the second floor rear terrace, including external decorations and making good a leak to the pavement vaults on the lower ground floor, make good window lintel to the rear and replace both floor finishes to the terrace. Internal works include, enlarging the existing opening between the reception rooms by 300mm, replacing the existing kitchen and island, plus refurbishment of two bathrooms replacing fixtures fittings and finishes.

  Granted Heritage and listed buildings Windows or glazing 23 docs

• 16 Gladstone Street London Southwark SE1 6EY

  20/AP/2476 Submitted 1 Sep 2020 50 yards 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

• 16 Gladstone Street London Southwark SE1 6EY

  20/AP/1873 Submitted 8 Jul 2020 50 yards away

  Details of Condition 4 - Schedule of condition/schedule of works, as required by planning permission 20/AP/1145 (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 8 docs

• 16 Gladstone Street London Southwark SE1 6EY

  20/AP/1866 Submitted 8 Jul 2020 50 yards away

  Details of Condition 2 - Detailed drawings, as required by planning permission 20/AP/1145 (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 22 docs

• 14 Gladstone Street London Southwark SE1 6EY

  20/AP/1991 Submitted 20 Jul 2020 50 yards away

  Demolition of modern external brick rear lightwell stairs and replacement with a metal Building Regulation compliant stairs in the same location. Works to Lower Ground Floor level including: replacement of existing metal window with a single glazed timber window (front elevation) and garden patio doors with new timber French doors (rear elevation) remodelling of the internal walls, replacement of modern floor and ceiling finishes and tanking of front pavement vaults.

  Granted Heritage and listed buildings Demolition Windows or glazing 24 docs

• 42 Gladstone Street London Southwark SE1 6EY

  22/AP/2774 Submitted 4 Aug 2022 50 yards away

  Proposal to provide rooflight access to existing roof and extension of internal stairs to roof to provide roof access. Removal of existing steel access ladder from front balcony and mansard roof.

  Withdrawn Heritage and listed buildings Extension Loft or dormer 18 docs

• 26/AP/2158 Granted

  7 Alma Grove London Southwark SE1 5PY

  Erection of a rear ground floor side extension with a framed glass roof and bi-folding rear doors. Replacement of windows and door. Alterations to external facade.

  Received 21 Jul, published by the council 25 Jul 2026 Householder
• 26/AP/2601 Awaiting decision

  49 Henshaw Street London Southwark SE17 1PE

  Demolition of existing rear extension and construction of part single, part two storey rear extension and erection of roof terrace on main roof with balustrades and glazed access hatch.

  2 Sep 2026 Householder
• 26/AP/2545 Awaiting decision

  76 Shenley Road London Southwark SE5 8NQ

  Construction of a single storey side and rear extension to the rear; construction of a rear dormer roof extension over the main roofslope and the installation of 3x rooflights to the front roofslope.

  Received 26 Aug, published by the council 3 Sep 2026 Householder
• 26/AP/2533 Awaiting decision

  28 Tyrrell Road London Southwark SE22 9NE

  Construction of rear extension.

  Received 25 Aug, published by the council 28 Aug 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.

  Received 18 Mar, published by the council 28 Jul 2026 Householder