Planning application
Delta House 175 - 177 Borough High Street Southwark SE1 1HR
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.
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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.
Timeline
Dates from the published record
-
17 Sep 2025
Received by Southwark
-
18 Sep 2025
Validated
Checked as complete and ready for consideration.
-
10 Aug 2026
Added to PlanIndex
-
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 documentsWhat 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
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Delta House 175-177 Borough High Street Southwark SE1 1HR
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
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
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
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
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
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
Other heritage and listed building applications
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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.
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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
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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.
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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.
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26/AP/2544 Awaiting decision
Sessions House Newington Causeway London Southwark SE1 6AZ
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