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Planning application

15 Colnbrook Street London Southwark SE1 6EZ

Refused Southwark 22/AP/1032 Listed Building Consent

Works: Extension

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

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

As published by the council, reference 22/AP/1032

Application record

Reference
22/AP/1032
Type
Listed Building Consent
Status
Refused
Decision
Listed Building Consent - REFUSED
Received
14 Mar 2022
Validated
18 Mar 2022
Decided
24 Jun 2022
Ward
St Georges
Parish
Borough, Bankside And Walworth
Decision by
Delegated Panel - Complex
Postcode
SE1 6EZ

Site history

Applications at this address on the Southwark register

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/0881 Refused

    15 Colnbrook Street London Southwark SE1 6EZ

    Construction of rear extension on outrigger

    Decided 24 Jun 2022 Householder

Timeline

Dates from the published record

  1. 14 Mar 2022

    Received by Southwark

  2. 18 Mar 2022

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jun 2022

    Decision issued: Listed Building Consent - REFUSED

  4. 28 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Unreal Studio Ltd Agent

4 applications on PlanIndex · across 2 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

Plans, drawings, consultee responses and the officer's report

30 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 refusal means

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.

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

  • 15 Colnbrook Street London Southwark SE1 6EZ

    22/AP/0881 Submitted 7 Mar 2022 0m away

    Construction of rear extension on outrigger

    Refused Householder Extension 29 docs
    Domestic

  • 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

In Southwark

  • 26/AP/1924 Granted

    Railway Arches 1 To 2 Crucifix Lane London Southwark SE1 3JW

    Listed building consent for the change of use of Arches 1-2 Crucifix Lane to flexible uses under Class E (a),(b), (c), (d), (g)(ii) and (g)(iii)) and Drinking Establishment (Sui Generis) and associated internal and external alteration works.

    2 Jul 2026 Heritage and listed buildings
  • 26/AP/1792 Granted

    Camberwell School Of Arts And Crafts 61 - 65 Peckham Road London Southwark SE5 8UF

    Listed building consent for the installation of a Cat ladder and edge protection to a section of the first floor pitched roof on the north and west elevations of Block D

    19 Jun 2026 Heritage and listed buildings
  • 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/2376 Awaiting decision

    13 Shad Thames London Southwark SE1 2PB

    Openreach to provide a Full Fibre Infrastructure network into the property, this involves bringing full fibre cabling in from the Openreach external network, via the existing duct work into the property, and running via the basement through existing metal trunking, to the risers and false ceiling voids of the property where we will be leaving POU (point of entry boxes) outside the internal flat doors ready for tenants to place orders for service. This is necessary as part of Openreach's exchange closure programme, the property currently does not benefit from full fibre and will be directly affected when Openreach closed Southwark Telephone Exchange and the PSTN Switch off goes ahead in January 2027.

    7 Aug 2026 Heritage and listed buildings
  • 26/AP/1723 Granted

    16 Trafalgar Avenue London Southwark SE15 6NR

    Listed building consent for the partial repair and reconstruction of impact-damaged sections of the existing boundary wall, including rebuilding of collapsed brick piers and wall sections using salvaged and matching materials where practicable, and like-for-like replacement of the damaged wrought iron gate. Existing undamaged sections of wall are to be retained.

    15 Jun 2026 Heritage and listed buildings