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 0m 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 5m 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 5m 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 5m 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 10m 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 23m 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/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/1958 Granted

  38 Winterbrook Road London Southwark SE24 9JA

  Demolition of the existing rear extension and erection of a single-storey wraparound rear and side extension, together with associated alterations to existing openings, removal of the rear chimney and addition of wooden storage to the side. The proposals also incorporate previously approved roof works under planning permission ref. 25/AP/3282, comprising the enlargement of the existing rear dormer and installation of two rooflights.

  7 Jul 2026 Householder
• 26/AP/1789 Granted

  81 Grove Hill Road London Southwark SE5 8DF

  Construction of a single storey rear extension, alteration to the existing side extension roof and rear elevation, internal reconfiguration and associated work

  19 Jun 2026 Householder
• 26/AP/1831 Granted

  20 Homeleigh Road London Southwark SE15 3EE

  Construction of L-shaped dormer loft conversion with 450mm ridge raise and installation of three rooflights on front roof slope.

  24 Jun 2026 Householder
• 26/AP/1814 Granted

  7 Tollgate Drive London Southwark SE21 7LS

  Rear ground floor extension, garage conversion and partial courtyard infill with associated internal alterations, rooflights, a pergola above the front door and the over the rear terrace. The conversion of the loft to create additional storage and the installation of a rooflight to the main roof.

  22 Jun 2026 Householder