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Planning application

Delta House 175 - 177 Borough High Street Southwark SE1 1HR

Awaiting decision Southwark 25/AP/2677 Listed Building Consent

Works: Extension Demolition

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Listed building consent for alterations including partial demolition and extension to the existing building to create additional Class E office floor space; to include extension and reconfiguration at roof level and the rear, creation associated amenity terraces, facade alterations including replacement shopfronts, replacement/ additional plant and plant enclosures, and other works associated with the development.

As published by the council, reference 25/AP/2677

Application record

Reference
25/AP/2677
Type
Listed Building Consent
Status
Under consideration/assessment
Received
17 Sep 2025
Validated
18 Sep 2025
Ward
Chaucer
Parish
Borough, Bankside And Walworth
Postcode
SE1 1HR

Site history

Applications at this address on the Southwark register

This site has had 2 applications since 2025.

  • 25/AP/2649 Awaiting decision

    Delta House 175-177 Borough High Street Southwark SE1 1HR

    Alterations including partial demolition and extension to the existing building to create additional Class E office floorspace; to include extension and reconfiguration at roof level and the rear, creation associated amenity terraces, facade alterations including replacement shopfronts, replacement/additional plant and plant enclosures, and other works associated with the development.

    Submitted 15 Sep 2025 Full applications

Timeline

Dates from the published record

  1. 17 Sep 2025

    Received by Southwark

  2. 18 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 13 November 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Southwark took a median of 52 days over the applications it decided in the last year.

Documents

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

83 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

This application is with Southwark for determination, against a statutory target of eight weeks. Over the last year Southwark decided heritage and listed building applications in a median of 65 days. More in our guide to how long planning decisions take.

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 0.3 miles

  • Delta House 175-177 Borough High Street Southwark SE1 1HR

    25/AP/2649 Submitted 15 Sep 2025 50 yards away

    90% historically approved · decision due ~21 Nov

    Alterations including partial demolition and extension to the existing building to create additional Class E office floorspace; to include extension and reconfiguration at roof level and the rear, creation associated amenity terraces, facade alterations including replacement shopfronts, replacement/additional plant and plant enclosures, and other works associated with the development.

    Awaiting decision Full applications Extension Demolition 80 docs
  • Blue Eyed Maid 173 Borough High Street London Southwark SE1 1HR

    22/AP/0819 Submitted 3 Mar 2022 50 yards away

    96% historically approved · decision due ~29 Apr

    Details of Condition 3 - material samples samplepanels sample-boards of all external facing materials as required by planning permission dated 26/11/2021 [LBS Ref 19/AP/0084] for Retention of public house (Sui Generis use class) at the basement and ground floor, conversion of the upper floors to provide x1 two-bed flat and x2 one-bed flats (Use Class C3) (total: x3 residential units), including a second and third floor rear extension and minor alterations to existing window and door openings to side elevation, and provision of associated refuse facilities'.

    Awaiting decision Conditions New dwelling Extension +1 3 docs
  • Blue Eyed Maid 173 Borough High Street London SE1 1HR

    22/AP/2286 Submitted 27 Jun 2022 50 yards away

    Non-material amendment pursuant to 19/AP/0084 [Retention of public house (Sui Generis use class) at the basement and ground floor, conversion of the upper floors to provide x1 two-bed flat and x2 one-bed flats (Use Class C3) (total: x3 residential units), including a second and third floor rear extension and minor alterations to existing window and door openings to side elevation, and provision of associated refuse facilities] for replacement of cladding on rear extension from timber slats to zinc cladding.

    Decided Conditions New dwelling Extension +1 21 docs
  • Blue Eyed Maid 173 Borough High Street London Southwark SE1 1HR

    22/AP/2989 Submitted 25 Aug 2022 50 yards away

    Variation of condition 1 (approved Plans) of planning permission ref: 19/AP/0084 granted on 26/11/2021 for (Retention of public house (Sui Generis use class) at the basement and ground floor, conversion of the upper floors to provide x1 two-bed flat and x2 one-bed flats (Use Class C3) (total: x3 residential units), including a second and third floor rear extension and minor alterations to existing window and door openings to side elevation, and provision of associated refuse facilities) -to allow the change in the material of the rear extension from clad timber slate to Zinc.

    Decided Amendments New dwelling Extension +1 41 docs
  • Bus Shelter 0128 0460 Borough High Street Southwark SE1 1HR

    26/AP/0197 Submitted 23 Jan 2026 50 yards away

    Display of 2no. internally illuminated static sequential bus shelter advertisement panels measuring 1720mm x 1160mm.

    Granted Advertising 9 docs
  • 165A Borough High Street Southwark London SE1 1HR

    26/AP/0297 Submitted 2 Feb 2026 50 yards away

    90% historically approved · decision due ~4 Jun

    Change of use from office (Use class E(g)(i)) to a large residential HMO (Sui Generis), with associated communal facilities, minor external alterations, installation of plant and external communal terraces.

    Awaiting decision Full applications 51 docs

In Southwark

  • 26/AP/2661 Awaiting decision

    Vintage Yard 59 - 63 Bermondsey Street London Southwark SE1 3XF

    Listed Building Consent for installation of replacement rooftop and replacement low level roof plant, elevation alterations to include the removal of existing entrance gate and refurbishment of existing front door. Listed Building Consent: The installation of replacement rooftop and replacement low level roof plant, removal of existing entrance gate, refurbishment of existing front, repairs to the external fabric and various amendments to the internal fabric.

    Received 8 Sep, published by the council 10 Sep 2026 Heritage and listed buildings
  • 26/AP/1168 Granted

    101 - 103 Denmark Hill London Southwark SE5 8AA

    Listed building consent for the installation of heat recovery ventilation grille units and secondary glazing to windows

    Received 23 Apr, published by the council 25 Jul 2026 Heritage and listed buildings
  • 26/AP/2576 Awaiting decision

    209 Camberwell New Road London Southwark SE5 0TJ

    Listed building consent for Internal alterations and replacement of rear window to facilitate the conversion of the existing dwellinghouse (Class C3) to an HMO within Class C4.

    Received 1 Sep, published by the council 10 Sep 2026 Heritage and listed buildings
  • 26/AP/2559 Awaiting decision

    57-61 Union Street London Southwark SE1 1SG

    Listed building consent for alterations to the Grade II listed building at 59-61 Union Street comprising adaptation of the existing roof space to provide additional office accommodation; formation of a stair from second-floor level; erection of a rear dormer; localised alterations to the roof structure; installation of glazed screens, partitions and balustrading; introduction of glazing to the existing roof hatch; and associated works.

    Received 28 Aug, published by the council 1 Sep 2026 Heritage and listed buildings
  • 26/AP/2544 Awaiting decision

    Sessions House Newington Causeway London Southwark SE1 6AZ

    Replacement upgrades and amendments to the existing Panic Alarm Installation

    Received 26 Aug, published by the council 10 Sep 2026 Heritage and listed buildings