15 Colnbrook Street London Southwark SE1 6EZ

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

• 26/AP/1114 Granted

  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; installation of Air Source Heat Pump and building services upgrades; associated internal alterations, repairs, and landscaping.

  Submitted 20 Apr 2026
• 26/AP/1115 Granted

  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; installation of Air Source Heat Pump and building services upgrades; associated internal alterations, repairs, and landscaping. (Revised description)

  Submitted 20 Apr 2026
• 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 50 yards 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

• 13 Colnbrook Street London Southwark SE1 6EZ

  21/AP/1466 Submitted 28 Apr 2021 50 yards away

  Details to Discharge Condition 5. Detailed drawings plans as required by planning permission 21/AP/0188 dated 11/3/2021for 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 removal 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 9 docs

• 13 Colnbrook Street London Southwark SE1 6EZ

  21/AP/0177 Submitted 18 Jan 2021 50 yards 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

  21/AP/0188 Submitted 20 Jan 2021 50 yards away

  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 Heritage and listed buildings Extension Loft or dormer +1 33 docs

• 13 Colnbrook Street London Southwark SE1 6EZ

  23/AP/2231 Submitted 9 Aug 2023 50 yards 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

• 18 Colnbrook Street London Southwark SE1 6EZ

  21/AP/3689 Submitted 22 Oct 2021 50 yards away

  T1 - Extra Large Ailanthus - Selectively reduce laterals growth by 2-3 meters to achieve a balanced & symmetrical shaped canopy. - Remove major deadwood. - Height to remain at its present level.

  Granted Trees 7 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