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Planning application

2023/0754

18 Lydden Grove SW18 4LL

Granted Wandsworth Certificate of Lawfulness - Proposed

Proposal

Alterations including erection of an extension (with french doors and safety railing) to the main rear roof; Erection of an extension above the two-storey back addition.

As published by the council, reference 2023/0754

Timeline

Dates from the published record

  1. 24 Feb 2023

    Received by Wandsworth

  2. 3 Mar 2023

    Validated

    Checked as complete and ready for consideration.

  3. 14 Mar 2023

    Decision issued: Approve No Conditions

  4. 29 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

  • 2013/4025 Withdrawn

    26 Lydden Grove SW18 4LL

    Proposed single storey lean to rear extension

    9 Aug 2013 5m away Lawful development
  • 2023/0345 Granted

    Flat Ground Floor 17 Lydden Grove SW18 4LJ

    Erection of an outbuilding in rear garden for use as an office; installation of replacement fenestration to rear and side elevations.

    30 Jan 2023 25m away Full applications
  • 2023/0431 Granted

    Flat First Floor 1 Lydden Grove SW18 4LJ

    Installation of replacement external staircase from rear first floor to garden.

    3 Feb 2023 48m away Full applications
  • 2021/2812 Granted

    The Corner House 14 Kimber Road SW18 4NP

    Alterations including erection of single-storey rear/side extension.

    14 Jun 2021 64m away Householder
  • 2026/1429 Awaiting decision

    178 Garratt Lane SW18 4ED

    Installation of new kitchen extraction unit and flue to the rear

    15 Apr 2026 77m away Full applications
  • 2025/3233 Awaiting decision

    30 Lydden Road SW18 4LR

    Demolition of existing building and erection of a replacement single storey building (comprising an extension of Units 1-6) with mezzanine level to provide flexible industrial and storage floorspace (Use Class B2/B8) and ancillary office floorspace, with associated landscaping, yard parking, and other supporting infrastructure.

    16 Sep 2025 106m away Full applications

In Wandsworth

  • 2026/2084 Granted

    139 Mallinson Road SW11 1BH

    Erection of an extension above part of main rear roof and part of two-storey rear addition.

    4 Jun 2026 Lawful development
  • 2026/2735 Awaiting decision

    9 Pentlow Street SW15 1LX

    Lawful Development Certificate for a Proposed use or development.

    29 Jul 2026 Lawful development
  • 2026/1912 Granted

    100 Bickersteth Road SW17 9SJ

    Formation of vehichle crossover and dropped kerb; demolition of front boundary wall..

    20 May 2026 Lawful development
  • 2026/2721 Awaiting decision

    40 Mckiernan Court Shuttleworth Road SW11 3DY

    Application for a Lawful Development Certificate for a proposed use or development.

    28 Jul 2026 Lawful development
  • 2026/2042 Granted

    34 Marney Road SW11 5EP

    Alterations including erection of rear roof extension to main rear roof and installation of solar panels.

    1 Jun 2026 Lawful development