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Planning application

Alpha House 100 Borough High Street London Southwark SE1

Granted Southwark 23/AP/2641 Major application

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Redevelopment of existing office building to provide a new office development (Class E) between 4-8 storeys with roof terraces, retention of existing basement with lowered depth, new ground floor commercial uses (Class E), servicing yard, cycle parking and refuse storage and associated works.

As published by the council, reference 23/AP/2641

Application record

Reference
23/AP/2641
Type
Major application
Status
Granted
Decision
Granted As published: Major - GRANTED
Received
6 Sep 2023
Validated
3 May 2024
Decided
1 Oct 2025
Ward
Borough & Bankside
Parish
Borough, Bankside And Walworth
Decision by
Delegated Panel - Complex

Site history

Applications at this address on the Southwark register

This site has had 2 applications since 2023: 2 approved, 0 refused.

  • 25/AP/3745 Granted

    Alpha House 100 Borough High Street London Southwark SE1

    Certificate of lawful development (proposed) for the demolition of side boundary wall of site/building as part of implementation of planning application 23/AP/2641

    Decided 21 Jan 2026 Lawful development

Timeline

Dates from the published record

  1. 6 Sep 2023

    Received by Southwark

  2. 3 May 2024

    Validated

    Checked as complete and ready for consideration.

  3. 1 Oct 2025

    Decision issued: Major - GRANTED

  4. 26 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 25/AP/3745 Granted

    Alpha House 100 Borough High Street London Southwark SE1

    Certificate of lawful development (proposed) for the demolition of side boundary wall of site/building as part of implementation of planning application 23/AP/2641

    Decided 21 Jan 2026 Lawful development

Who's behind it

Company information only, from the register and Companies House

Urbanspace Planning Ltd Agent, a planning consultancy registered in Hertford

Active · incorporated 2020 · Hertford

68 applications on PlanIndex · across 27 councils · 92% granted

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

117 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 this grant of permission means

Southwark granted permission on 1 October 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • Alpha House 100 Borough High Street London Southwark SE1

    25/AP/3745 Submitted 19 Dec 2025 50 yards away

    Certificate of lawful development (proposed) for the demolition of side boundary wall of site/building as part of implementation of planning application 23/AP/2641

    Granted Lawful development Demolition 8 docs
    Small domestic
  • 106-114 Borough High Street London Southwark SE1 1LB

    22/AP/3613 Submitted 18 Oct 2022 50 yards away

    Alterations to the brickwork/limestone cladding to east elevation, new louvered door to bin store, re-handing of existing fire exit door, alterations to existing facade.

    Granted Full applications 13 docs
  • 8 Union Street London Southwark SE1 1SZ

    25/AP/3734 Submitted 18 Dec 2025 50 yards away

    Replacement windows and doors throughout, and a side entrance door to provide level access via portable lifting platform.

    Granted Full applications Windows or glazing 27 docs
  • 116-118 Borough High Street London Southwark SE1 1LB

    23/AP/2991 Submitted 25 Oct 2023 50 yards away

    Alterations to building entrance by reducing the recessed entry space and replacing the door, fanlight, post boxes and dry riser outlet.

    Granted Full applications 16 docs
  • 10 - 18 Union Street London Southwark SE1 1SZ

    26/AP/1894 Submitted 30 Jun 2026 50 yards away

    Replacement windows and doors to Union Street (South elevation).

    Granted Full applications Windows or glazing 20 docs
  • Marlborough Sports Garden 11 - 25 Union Street London Southwark SE1 1SD

    25/AP/3462 Submitted 27 Nov 2025 50 yards away

    Discharge of Condition 3 (Operational Management Plan) pursuant to 22/AP/2071 [Redevelopment of site for the construction of two storey Cafe (Use Class E.b) with ancillary facilities, erection of roof apparatus (PV panels and plant), renewal of existing game areas, provision of cycle parking and associated landscaping for outdoor games, viewing terraces and planting and associated highway works with pedestrian ramp access].

    Granted Conditions 5 docs

In Southwark

  • 26/AP/2734 Awaiting decision

    Flat D 116 Barry Road London Southwark SE22 0HP

    Construction of a rear dormer extension with juliet balcony and the addition of three roof lights to the front roof slope.

    Received 15 Sep, published by the council 11 Oct 2026 Full applications
  • 26/AP/0663 Granted

    Burgess Business Park Parkhouse Street London Southwark SE5 7TJ

    Construction of new employment floorspace to provide Class E(g)(iii) and Class B8 floorspace, together with associated external works including the installation of a security cabin and replacement boundary fencing.

    Received 5 Mar, published by the council 28 Jul 2026 Full applications
  • 26/AP/0565 Withdrawn

    Church Of St Thomas More 380 Lordship Lane London Southwark SE22 8ND

    Landscaping works to provide accessible access from the church carpark to the John Paul Community Hall and Parish Office.

    Received 25 Feb, published by the council 28 Jul 2026 Full applications
  • 26/AP/2659 Awaiting decision

    23B Adys Road London Southwark SE15 4DX

    Rear dormer with 2no. rooflights on front slope plus a roof terrace over part of rear addition roof

    8 Sep 2026 Full applications
  • 26/AP/2660 Awaiting decision

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

    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.

    8 Sep 2026 Full applications