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Planning application

18 Glengarry Road London Southwark SE22 8PZ

Granted Southwark 23/AP/2027 Certificate of Lawful Dev. - Proposed

Works: Extension Loft or dormer Demolition Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Demolition of existing derelict single storey rear additions and the erection of a single storey rear extension with 2 rooflights and the installation of 3 new rooflights on the main roof

As published by the council, reference 23/AP/2027

Application record

Reference
23/AP/2027
Type
Certificate of Lawful Dev. - Proposed
Status
Granted
Decision
Certificate of Lawfulness Prop- GRANTED
Received
20 Jul 2023
Validated
26 Jul 2023
Decided
15 Sep 2023
Ward
Goose Green
Parish
Dulwich
Decision by
Delegated Panel - Simple
Postcode
SE22 8PZ

Timeline

Dates from the published record

  1. 20 Jul 2023

    Received by Southwark

  2. 26 Jul 2023

    Validated

    Checked as complete and ready for consideration.

  3. 15 Sep 2023

    Decision issued: Certificate of Lawfulness Prop- GRANTED

  4. 26 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, an architecture practice

22 applications on PlanIndex · across 4 councils · 88% granted

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Documents

Plans, drawings, consultee responses and the officer's report

29 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.

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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

  • 7 Trossachs Road London Southwark SE22 8PY

    26/AP/0495 Submitted 18 Feb 2026 34m away

    Certificate of Lawfulness (Proposed) for hip to gable roof extension and erection of a rear roof dormer, installation of solar panels to front roof slope and flat roof of the rear dormer, installation of two rooflights to front roof slope and one rooflight to rear roof slope, and installation of Juliet balcony to rear dormer.

    Granted Lawful development Extension Loft or dormer 19 docs
  • First Floor And Second Floor Flat 10 Tarbert Road London Southwark SE22 8QB

    25/AP/3298 Submitted 11 Nov 2025 43m away

    91% historically approved · decision due ~7 Jan

    Rear dormer with roolights on front slope plus a roof terrace over part of rear addition roof

    Awaiting decision Full applications Loft or dormer 17 docs
  • 14 Trossachs Road London Southwark SE22 8PY

    26/AP/0566 Submitted 25 Feb 2026 68m away

    Demolition of existing rear extension and construction of a new single storey rear extension

    Granted Householder Extension Demolition 15 docs
    Small domestic
  • 64 Melbourne Grove London Southwark SE22 8QY

    22/AP/2980 Submitted 25 Aug 2022 68m away

    Construction of a single storey rear extension and removal of existing conservatory.

    Granted Householder Extension 9 docs
    Small domestic
  • 68 Melbourne Grove London Southwark SE22 8QY

    26/AP/1290 Submitted 6 May 2026 69m away

    Construction of hip-to-gable loft conversion including a full-width rear flat roof dormer, raising of the existing ridge height by 300mm, and installation of two rooflights to the front roof slope.

    Granted Householder Loft or dormer Roofing 17 docs
    Domestic
  • 70 Melbourne Grove London Southwark SE22 8QY

    22/AP/2683 Submitted 26 Jul 2022 70m away

    Replacement of existing pitched roof addition to existing rear extension with a flat roof addtion and window box.

    Granted Householder Extension Windows or glazing 18 docs
    Domestic

In Southwark

  • 26/AP/1316 Granted

    Seavington House Champion Hill London Southwark SE5 8DN

    Certificate of lawfulness (proposed) to confirm excavation works carried out on the site in the form of trial pits constitute a material operation under the Town and Country Planning Act 1990 and therefore represent lawful commencement of the approved planning permission 22/AP/0174.

    7 May 2026 Lawful development
  • 26/AP/1420 Granted

    40 Strathnairn Street London Southwark SE1 5BL

    Certificate of lawfulness (proposed) for construction of a ground floor rear extension and a rear dormer.

    18 May 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
  • 26/AP/1509 Withdrawn

    Railway Arch 101 Rockingham Street London Southwark SE1 6PD

    Certificate of lawfulness (proposed) for confirmation of implementation of planning permission 22/AP/3065: Change of use of the railway arch at 101 Rockingham Street from Use Class B8 (Storage/Distribution) to Use Classes E (Commercial, Business and Service) and F2 (Local Community) and a new glazed facade to the exterior including 2x extractor fans.

    27 May 2026 Lawful development