Flat 13 Devon House 1 Maidstone Buildings Mews London Southwark SE1 1GE

This site has had 2 applications since 2026.

• 26/AP/0842 Awaiting decision

  Flat 13 Devon House 1 Maidstone Buildings Mews London Southwark SE1 1GE

  Extension of existing top floor flat into the terrace, erection of a dormer to the southern side of the building with a deck terrace, and installation of windows, double doors and skylights (Revision of approved application no. 25/AP/1640)

  Submitted 24 Mar 2026 Full applications

1. 24 Mar 2026

   Received by Southwark

2. 25 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 28 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 20 May 2026, 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 51 days over the applications it decided in the last year.

• 26/AP/0842 Awaiting decision

  Flat 13 Devon House 1 Maidstone Buildings Mews London Southwark SE1 1GE

  Extension of existing top floor flat into the terrace, erection of a dormer to the southern side of the building with a deck terrace, and installation of windows, double doors and skylights (Revision of approved application no. 25/AP/1640)

  Submitted 24 Mar 2026 Full applications

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.

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.

• Flat 13 Devon House 1 Maidstone Buildings Mews London Southwark SE1 1GE

  26/AP/0842 Submitted 24 Mar 2026 0m away

  91% historically approved · decision due ~20 May

  Extension of existing top floor flat into the terrace, erection of a dormer to the southern side of the building with a deck terrace, and installation of windows, double doors and skylights (Revision of approved application no. 25/AP/1640)

  Awaiting decision Full applications Extension Loft or dormer +1 35 docs

• Flat 11 Wiltshire House 2 Maidstone Buildings Mews London Southwark SE1 1GH

  25/AP/2414 Submitted 22 Aug 2025 17m away

  Listed building consent for the replacement of decking and installation of a gate and the retention of an extended roof terrace, including one replacement and one additional roof light, access steps for maintenance purposes and replacement of the glass balustrade.

  Granted Heritage and listed buildings Loft or dormer 20 docs

• Flat 11 Wiltshire House 2 Maidstone Buildings Mews London Southwark SE1 1GH

  25/AP/2413 Submitted 22 Aug 2025 17m away

  Proposed replacement of decking and installation of a gate and retention of an extended roof terrace, including one replacement and one additional roof light, access steps for maintenance purposes and replacement of the glass balustrade.

  Granted Full applications Loft or dormer 20 docs

• Apartment 10 Sussex House 3 Maidstone Buildings Mews London Southwark SE1 1GF

  19/AP/7111 Submitted 5 Dec 2019 20m away

  Increased bathroom dormer; New dormer at mezzanine level; New rooflight on north-east elevation; New privacy screen; Extended lobby boundary.

  Granted Full applications Loft or dormer 23 docs

• The Liberty Of Southwark (formerly Landmark Court) Land Bounded By Southwark Street Redcross Way And Cross Bones Graveyard London SE11RQ

  23/AP/2334 Submitted 17 Aug 2023 36m away

  Non material amendment of planning permission 19/AP/0830: 'Mixed-use development involving the demolition of 25-33 Southwark Street, the restoration of 15 Southwark Street for residential use and the erection of new buildings comprising: a part 6/8/9-storey office (Class B1) building incorporating a single-storey basement, flexible ground floor uses (Classes A1/A2/A3/A4 and D2) and workspace units (Class B1); a 3-storey workshop building (Class B1); a marketplace with up to 9 permanent stalls (Class A1); 36 residential units in the refurbished 15 Southwark Street building and a new 8-storey block; associated areas of new public realm; hard and soft landscaping; enhancements to Crossbones Burial Ground; means of access and enclosure, and; ancillary plant and equipment.'Non-Material Amendment to enable the dismantlement, storage, and restoration of the facade of 15 Southwark Street and the amendment of the wording of Condition 25.

  Decided Conditions Demolition 22 docs
  Small domestic

• The Liberty Of Southwark (formerly Landmark Court) Land Bounded By Southwark Street Redcross Way And Cross Bones Graveyard London SE1 1RQ

  23/AP/2810 Submitted 5 Oct 2023 36m away

  Minor material amendment of planning permission 19/AP/0830 (as amended by 21/AP/1295, 22/AP/1689, 23/AP/0230, 23/AP/2643, 23/AP/2334 and 23/AP/2763: 'Mixed-use development involving demolition, the restoration of 15 Southwark Street and the erection of new buildings comprising: offices (Class B1) incorporating a single-storey basement; flexible ground floor uses (Classes A1/A2/A3/A4, B1 and D2); a marketplace for permanent stalls (Class A1); residential units (Class C3); associated areas of new public realm; hard and soft landscaping; enhancements to Crossbones Burial Ground; means of access and enclosure; and ancillary plant and equipment .' Amendments include: -Addition of permanent structure for discovered mausoleum and mosaics; -Creation of community centre; -Change of use of 15 Southwark Street from retail/residential to retail/office; -Reconfiguration of basement -Increased massing of office and residential buildings; -Updates to energy, sustainability and fire safety strategy (including additional staircores); -Creation of new cycle hub, increase in cycle parking, improvement to storage facilities, updates to parking strategy

  Granted Amendments Demolition 172 docs
  Small domestic

• 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