15 Colnbrook Street London Southwark SE1 6EZ

This site has had 4 applications since 2022: 0 approved, 2 refused.

• 26/AP/1114 Awaiting decision

  15 Colnbrook Street London Southwark SE1 6EZ

  First-floor rear extension to existing outrigger; lowering & reinstatement of front parapet entablature; repair and re-glazing of existing windows; replacement of rear basement window with French doors; new front lightwell staircase; installation of Air Source Heat Pump/Air Conditioning and building services upgrades; associated internal alterations, repairs, and landscaping.

  Submitted 20 Apr 2026 Householder
• 26/AP/1115 Awaiting decision

  15 Colnbrook Street London Southwark SE1 6EZ

  Listed building consent for the first-floor rear extension to existing outrigger; lowering & reinstatement of front parapet entablature; repair and re-glazing of existing windows; replacement of rear basement window with French doors; new front lightwell staircase; installation of Air Source Heat Pump/Air Conditioning and building services upgrades; associated internal alterations, repairs, and landscaping.

  Submitted 20 Apr 2026 Heritage and listed buildings
• 22/AP/1032 Refused

  15 Colnbrook Street London Southwark SE1 6EZ

  Construction of extension on rear outrigger, restoration of front facade and removal of chimney breast at lower ground floor

  Decided 24 Jun 2022 Heritage and listed buildings

1. 7 Mar 2022

   Received by Southwark

2. 14 Mar 2022

   Validated

   Checked as complete and ready for consideration.

3. 24 Jun 2022

   Decision issued: Householder - REFUSED

4. 28 Jul 2026

   Added to PlanIndex

Southwark refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 15 Colnbrook Street London Southwark SE1 6EZ

  22/AP/1032 Submitted 14 Mar 2022 0m away

  Construction of extension on rear outrigger, restoration of front facade and removal of chimney breast at lower ground floor

  Refused Heritage and listed buildings Extension 30 docs

• 15 Colnbrook Street London Southwark SE1 6EZ

  26/AP/1115 Submitted 20 Apr 2026 2m away

  94% historically approved · decision due ~30 Jun

  Listed building consent for the first-floor rear extension to existing outrigger; lowering & reinstatement of front parapet entablature; repair and re-glazing of existing windows; replacement of rear basement window with French doors; new front lightwell staircase; installation of Air Source Heat Pump/Air Conditioning and building services upgrades; associated internal alterations, repairs, and landscaping.

  Awaiting decision Heritage and listed buildings Extension Windows or glazing 42 docs

• 15 Colnbrook Street London Southwark SE1 6EZ

  26/AP/1114 Submitted 20 Apr 2026 4m away

  95% historically approved · decision due ~2 Jul

  First-floor rear extension to existing outrigger; lowering & reinstatement of front parapet entablature; repair and re-glazing of existing windows; replacement of rear basement window with French doors; new front lightwell staircase; installation of Air Source Heat Pump/Air Conditioning and building services upgrades; associated internal alterations, repairs, and landscaping.

  Awaiting decision Householder Extension Windows or glazing 55 docs
  Domestic

• 13 Colnbrook Street London Southwark SE1 6EZ

  21/AP/0177 Submitted 18 Jan 2021 10m away

  Widening at Ground floor level to existing outrigger to match footprint at Lower Ground Floor, new roof and new enlarged window. Removal of modern window to outrigger at Lower Ground Floor level. Installation of a new timber sash window to match existing rear windows. Removal of outrigger door and filling in on the opening with new brickwork to match the existing.. Removal of the modern French doors, opening increased by 300mm and installation of new timber glazed doors, at Lower Ground Floor. Removal of existing windows to modern mansard extension (Front elevation) and installation of inward opening timber/ glazed doors. Introduction of a glazed access hatch (900mmx900mm) to mansard roof. Existing modern steps to rear lightwell increased in size to full width.

  Granted Householder Extension Loft or dormer +2 33 docs
  Domestic

• 13 Colnbrook Street London Southwark SE1 6EZ

  23/AP/2231 Submitted 9 Aug 2023 10m away

  Details of Condition 3 Specification and method statements of waterproofing to basement walls and floor as required 21/AP/0188 dated 11/03/2021 for Internal refurbishment of the building on all floors including repair of historic fabric, damp proof works, new openings and wider openings at Lower Ground Floor, removal of modern bathroom fittings First Floor rear room rmoval of modern partitions at Second Floor level and installation of bathroom. External alterations including widening of the outrigger at Ground Floor level and replacement of the existing window with a new sash window in a wider opening. Widening of opening in rear wall and installation of new timber French doors and replacement of uPVC window with a timber sash. Removal of existing door to the outrigger and filling in of opening with new brickwork to match existing. Installation of a rooflight. Replacement of the mansard windows with doors on the front elevation.

  Granted Conditions Extension Loft or dormer +1 12 docs

• 15 Gladstone Street London Southwark SE1 6EY

  22/AP/0394 Submitted 10 Feb 2022 31m away

  Refurbishment and extension of the property. To include removal of the roof terrace and construction of an upward extensions at first and second floor to the existing outrigger Demolition of the existing front slope to the mansard and dormers, removal of the front roof terrace and construction of a new roof and 3no. dormer windows. Installation and 3 no. rooflights to the main flat roof.

  Refused Householder Extension Loft or dormer +3 37 docs
  Domestic

• 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