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Planning application

22/AP/3798

12 Ash Avenue London Southwark SE17 1GQ

Granted Southwark Certificate of Lawful Dev. - Proposed

Proposal

Certificate of lawfulness development (proposed) for the works related solely to the inside of the building.

As published by the council, reference 22/AP/3798

Timeline

Dates from the published record

  1. 2 Nov 2022

    Received by Southwark

  2. 3 Nov 2022

    Validated

    Checked as complete and ready for consideration.

  3. 21 Mar 2023

    Decision issued: Certificate of Lawfulness Prop- GRANTED

  4. 28 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 26/AP/2049 Awaiting decision

    The Park At Elephant Park Site Bounded By Phase MP3 To The North, Plot H7 To The South, Castle Square To The West London Southwark

    Details of condition 7 (Verification of remediation) for Phases 4, 4A and 5 of the Park only, pursuant to permission ref. 21/AP/1798 'Reserved matters (access, layout, landscaping and appearance only) for the Park Area within Elephant Park submitted pursuant to outline planning permission (ref: 12/AP/1092). The proposal incorporates changes to the Park Plaza area, cycle route, planting, lighting, signage and other minor amendments to the park development approved by reserved matters approval (ref: 19/AP/5787).'

    13 Jul 2026 37m away Conditions
  • 26/AP/2047 Awaiting decision

    The Park At Elephant Park Site Bounded By Phase MP3 To The North, Plot H7 To The South, Castle Square To The West London Southwark

    Details of condition 8 (External Lighting) for Phases 4, 4A and 5 of the Park only, pursuant to planning permission 21/AP/1798 'Application for the approval of reserved matters (access, layout, landscaping and appearance only) for the Park Area within Elephant Park submitted pursuant to outline planning permission (ref: 12/AP/1092). The proposal incorporates changes to the Park Plaza area, cycle route, planting, lighting, signage and other minor amendments to the park development approved by reserved matters approval (ref: 19/AP/5787).'

    13 Jul 2026 37m away Conditions
  • 26/AP/2080 Awaiting decision

    The Park At Elephant Park Site Bounded By Phase MP3 To The North, Plot H7 To The South, Castle Square To The West London Southwark

    Non-material amendment (retrospective in parts) to permission ref. 21/AP/1798 (Reserved matters (access, layout, landscaping and appearance only) for the Park Area within Elephant Park submitted pursuant to outline planning permission (ref: 12/AP/1092). The amendments within the park were to: - Change in path material (CEDEC surface to Coloured asphalt) and widen paths. - Additional drainage. - Improvements to the tree protection/attenuation. - Realignment of cycle parking stand to be positioned within the Park Area redline boundary. - Revised play space material (Sand to Tiger Mulch) next to Elephant Springs play area.

    15 Jul 2026 37m away Conditions
  • 26/AP/1422 Awaiting decision

    3 Hewson Way London Southwark SE17 1JS

    Installation of illuminated signage on the exterior facade of the commercial unit with painted fascia, including a main illuminated sign, a series of illuminated graphic icon signs with text, and a hanging sign.

    18 May 2026 46m away Advertising
  • 20/AP/2349 Granted

    Plot H7 MP5 Heygate Street Within Land Bounded By Elephant Park To The NorthPlot H2 To The West Heygate Street To The South And H11B To The East London SE17

    Details of condition 20 (Dust monitoring) for Plot H7 for part of construction phase MP5 pursuant to planning permission ref. 12/AP/1092 (Outline application for: Redevelopment to provide a mixed use development comprising a number of buildings ranging between 13.13m (AOD) and 104.8m (AOD) in height with capacity for between 160,579sqm GEA (min) and 254,000sqm GEA (max) residential floorspace together with retail (Class A1-A5), business (Class B1), leisure and community (Class D2 and D1), energy centre (sui generis) uses. New landscaping, park and public realm, car parking, means of access and other associated works).

    19 Aug 2020 59m away Conditions
  • 26/AP/1679 Granted

    Plot H7 Elephant Park London Southwark SE17 1JL

    Details of condition 7 'Landscaping and planting' - with a revised landscaping scheme along the northern side of the plot to replace the CEDEC surfacing with buff colour asphalt surface - as required by reserved matters approval ref. 19/AP/1166 dated 05/03/2019 for 'Application for the approval of reserved matters (access, scale, appearance, layout and landscaping) for Plot H7 within Elephant Park (previously referred to as the Heygate Masterplan), submitted pursuant to Outline Planning Permission ref: 12/AP/1092. The proposal comprises the construction of a development ranging between 9 and 25 storeys in height (maximum building height 86.75 m AOD), comprising 424 residential units, 1,237sqm (GEA) of flexible retail (Classes A1 - A5) uses and 628 sqm (GEA) flexible retail, community and leisure (Classes A1-A5, D1-D2), car parking, cycle storage, servicing, plant areas, landscaping, public realm, and other associated works.'

    11 Jun 2026 59m away Conditions

In Southwark

  • 26/AP/1647 Granted

    7 Medlar Street London Southwark SE5 0JU

    Certificate of lawfulness (proposed) for the construction of an L-shaped rear dormer extension and installation of 2no. rooflights to the front roof slope

    8 Jun 2026 Lawful development
  • 26/AP/2189 Awaiting decision

    Surrey Square Park Surrey Square London Southwark SE17 2JX

    Certificate of Lawfulness (existing) for refurbishment and reconfiguration of the existing children's playground and landscape improvements including new pathways and planting within Surrey Square Park.

    24 Jul 2026 Lawful development
  • 26/AP/2168 Awaiting decision

    150A Lower Road London Southwark SE16 2UG

    Certificate of lawfulness (proposed) for the change of use of a single dwellinghouse (Use Class C3) to a House in Multiple Occupation (Use Class C4) occupied by three unrelated individuals.

    22 Jul 2026 Lawful development
  • 26/AP/1618 Granted

    252 Barry Road London Southwark SE22 0JS

    Certificate of lawful development (proposed) for the construction of a rear dormer extension.

    5 Jun 2026 Lawful development
  • 26/AP/1577 Granted

    Residence Inn By Marriott London Bridge 201-211 Long Lane London SE1 4PN

    Certificate of lawfulness (proposed) for undertaking of facade remedial works to remove combustible cladding materials and replace with a like-for-like non-combustible cladding with no change to the outer aesthetics of the building.

    2 Jun 2026 Lawful development