20 Underhill Road London Southwark SE22 0AH

1. 26 Nov 2021

   Received by Southwark

2. 29 Nov 2021

   Validated

   Checked as complete and ready for consideration.

3. 21 Jan 2022

   Decision issued: Certificate of Lawfulness Exist- REFUSED

4. 21 Sep 2026

   Added to PlanIndex

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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 20 Underhill Road London Southwark

  22/AP/1282 Submitted 7 Apr 2022 50 yards away

  PARTIAL DISCHARGE for Part C ONLY of condition 3 (Arboricultural Method Statement) as required by planning permission 21/AP/2305 dated 14/02/2022 for - Construction of a roof extension, front extension with balconies, ground to fourth floor rear extensions, excavation of the ground floor and the use of the building to provide five (2 bedroom) residential units, a side extension to provide an escape stair and passenger lift, proposed landscaping, and 2 garden rooms.'

  Granted Conditions Extension 7 docs

• 20 Underhill Road London Southwark

  22/AP/2533 Submitted 14 Jul 2022 50 yards away

  Details of condition 3 (Arboricultural Method Statement) pursuant to planning permission 21/AP/2305 (Construction of a roof extension, front extension with balconies, ground to fourth floor rear extensions, excavation of the ground floor and the use of the building to provide five (2 bedroom) residential units, a side extension to provide an escape stair and passenger lift, proposed landscaping, and 2 garden rooms.)

  Granted Conditions Extension 8 docs

• 20 Underhill Road London Southwark

  22/AP/1287 Submitted 7 Apr 2022 50 yards away

  Details of condition 4 (Details of foundation works) as required by planning permission 21/AP/2305 dated 14/02/2022 for - 'Construction of a roof extension, front extension with balconies, ground to fourth floor rear extensions, excavation of the ground floor and the use of the building to provide five (2 bedroom) residential units, a side extension to provide an escape stair and passenger lift, proposed landscaping, and 2 garden rooms.'

  Granted Conditions Extension 5 docs

• 20 Underhill Road London Southwark

  22/AP/1288 Submitted 7 Apr 2022 50 yards away

  Details of condition 5 (Reinstatement of footpath if damaged by construction) as required by planning permission 21/AP/2305 dated 14/02/2022 for - 'Construction of a roof extension, front extension with balconies, ground to fourth floor rear extensions, excavation of the ground floor and the use of the building to provide five (2 bedroom) residential units, a side extension to provide an escape stair and passenger lift, proposed landscaping, and 2 garden rooms.'

  Granted Conditions Extension 8 docs

• Flat 4 22 Underhill Road London Southwark SE22 0AH

  25/AP/3517 Submitted 3 Dec 2025 50 yards away

  Installation of roof terrace on existing flat roof with obscure glass side screens and open metal balustrade to rear

  Granted Full applications 17 docs

• 12 Underhill Road London Southwark SE22 0AH

  26/AP/2723 Submitted 15 Sep 2026 50 yards away

  95% historically approved · decision due ~11 Nov

  Proposed erection of a single-storey ground floor side infill extension; ground floor rear extension; formation of a first-floor rear roof terrace and insertion of glazed door/panels; alterations to existing first floor rear elevation roof profile; insertion of rooflights to front roof slope; front garden landscaping; facade glazing replacement to existing loft conversion rear elevation and facade alterations

  Awaiting decision Extension Loft or dormer +1
  Small domestic

• 26/AP/1673 Granted

  Flat 67 Benbow House 24 New Globe Walk London Southwark SE1 9DS

  Certificate of Lawful Development to replace existing external doors with new thermally improved doors

  Received 11 Jun, published by the council 25 Jul 2026 Lawful development
• 26/AP/1909 Granted

  6 Ethnard Road London Southwark SE15 1RU

  Certificate of lawfulness (proposed) for a loft conversion with rear dormer

  Received 30 Jun, published by the council 25 Jul 2026 Lawful development
• 26/AP/1759 Granted

  29 Dundas Road London Southwark SE15 2DR

  Certificate of Lawful Development (Proposed) for loft conversion with rear dormer, installation of roof lights to front roof slope, construction of a rear outbuilding, fenestration changes including new and replacement windows and installation of soil vent pipe.

  Received 17 Jun, published by the council 25 Jul 2026 Lawful development
• 26/AP/1942 Granted

  Peckham Rye Railway Station Station Way London Southwark SE15 4RX

  Certificate of lawfulness (existing) to confirm that planning permission 22/AP/1006 was lawfully implemented within the prescribed time period

  Received 3 Jul, published by the council 25 Jul 2026 Lawful development
• 26/AP/1625 Granted

  97 - 99 Borough High Street Southwark SE1 1NL

  Certificate of Lawful development (proposed) for: Like for like replacement of the existing Zinc Cladding, for non combustible insulation, behind the cladding and replacement external like for like (new) zinc cladding; and like for like replacement of the penthouse terrace decking and the balcony decking to the rear.

  Received 8 Jun, published by the council 25 Jul 2026 Lawful development