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Planning application

21/1457/CP

491 SIDCUP ROAD, ELTHAM, LONDON, SE9 4ET

Refused Greenwich Lawful use (operation)

Proposal

Certificate of Lawfulness (Proposed) is sought for a loft conversion with a partial hip to gable roof extension, rear dormer window with juilet balcony and 2 rooflights to front roofslope.

As published by the council, reference 21/1457/CP

Timeline

Dates from the published record

  1. 20 Apr 2021

    Received by Greenwich

  2. 15 Jun 2021

    Decision issued: Refuse

  3. 29 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

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

  • 21/0841/HD Refused

    37 LUXFIELD ROAD, ELTHAM, LONDON, SE9 4EZ

    Construction of a first floor side infill extension with associated roof alterations, conversion of garage to habitable room including removal of garage door to be replaced with window at front elevation and other associated external alterations.

    8 Mar 2021 151m away Householder
  • 21/1356/HD Refused

    2 LUXFIELD ROAD, ELTHAM, LONDON, SE9 4EZ

    Construction of a single storey rear extension with raised decking.

    12 Apr 2021 151m away Householder
  • 25/4280/SD Awaiting decision

    GARAGES ADJACENT TO 554 TO 584, MIDDLE PARK AVENUE, ELTHAM, SE9 5QS

    Submission of details pursuant to Condition 7 (Piling Method Statement) & Condition 28 (Drainage) of Planning Permission 23/0970/F dated 22/04/2024.

    23 Dec 2025 163m away Conditions
  • 26/0114/SD Awaiting decision

    GARAGES adj to 554-584 MIDDLE PARK AVENUE, ELTHAM, SE9 5QS

    Submission of details pursuant to Condition 29 (Site Access) of planning permission 23/0970/F dated 22/04/2024.

    13 Jan 2026 163m away Conditions
  • 21/1292/HD Granted

    38 WEST PARK, ELTHAM, LONDON, SE9 4RH

    Construction of a single storey rear extension and associated external works.

    9 Apr 2021 180m away Householder
  • 12/0498/F Granted

    Mottingham Court, Sidcup Road, Eltham, SE9 4ER

    Construction of a raised single storey flat sited above the existing car park (Resubmission).

    10 Apr 2012 221m away Full applications

In Greenwich

  • 26/1580/CP Withdrawn

    8 PARK ROW, GREENWICH, LONDON, SE10 9NG

    Certificate of Lawfulness (Proposed) is sought for garden room to the rear of the garden.

    26 May 2026 Lawful development
  • 26/1630/CE Granted

    28 CHELSWORTH DRIVE, PLUMSTEAD, LONDON, SE18 2RA

    Certificate of Lawfulness (Existing) is sought for the change of use from existing dwellinghouse (Class C3) to a supported living accommodation for up to four (4) young people aged 16-17 (Class C2).

    1 Jun 2026 Lawful development
  • 26/2250/CE Awaiting decision

    ANNEXE AT, 12 HIGHMEAD, SE18 2DJ

    Certificate of Lawfulness (Existing) is sought for continued use as an independent dwellinghouse.

    28 Jul 2026 Lawful development
  • 26/2217/CP Awaiting decision

    120 GLENESK ROAD, ELTHAM, LONDON, SE9 1RE

    Certificate of Lawfulness (Proposed) is sought for loft conversion with new gable and rear dormer.

    27 Jul 2026 Lawful development
  • 26/1629/CP Refused

    335 PLUMSTEAD HIGH STREET, PLUMSTEAD, LONDON, SE18 1JX

    Certificate of Lawfulness (Proposed) is sought for change of use from a C3 dwellinghouse to a small C4 House in Multiple Occupation for five single occupants.

    1 Jun 2026 Lawful development