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Planning application

24/02402/LDCP

66 Thurlow Hill London SE21 8JN

Refused Lambeth Certificate of Lawful Use proposed

Proposal

Application for a Certificate of Lawful Development (Proposed) with respect to the erection of a single storey ground floor rear and side infill extension. Erection of a dormer to the existing rear addition and a rear dormer roof extension with the installation of three front rooflights.

As published by the council, reference 24/02402/LDCP

Timeline

Dates from the published record

  1. 31 Jul 2024

    Received by Lambeth

  2. 25 Sep 2024

    Decision issued: Refuse Permission

  3. 25 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

  • 26/01486/FUL Refused

    74 Thurlow Hill London Lambeth SE21 8JN

    Erection of a ground floor rear extension, together with a two storey side and rear extension.

    15 May 2026 33m away Full applications
  • 26/01085/FUL Awaiting decision

    42 Lovelace Road London Lambeth SE21 8JR

    Erection of a single storey rear ground floor infill extension including alteration to rear fenestration and removal of a side window.

    7 Apr 2026 89m away Full applications
  • 22/04025/FUL Refused

    4 Birkbeck Hill London Lambeth SE21 8JS

    Replacement of all single-glazed timber framed windows with double-glazed uPVC windows and replacement of the doors with uPVC framed doors.

    11 Nov 2022 151m away Full applications
  • 16/05040/FUL Granted

    41 Thurlow Park Road London SE21 8JP

    Loft conversion involving the formation of two rear dormers along with the installation of 1no rear and 3no front rooflights (second floor flat)

    24 Aug 2016 153m away Full applications
  • 22/04515/LDCP Granted

    33 Lovelace Road London SE21 8JY

    Application for a Certificate of Lawful Development (Proposed) with respect to the replacement/enlargement of existing windows with patio doors and the installation of retractable awning on the rear elevation.

    20 Dec 2022 159m away Lawful development
  • 21/01401/DET Granted

    17 St Faith's Road London SE21 8JD

    Approval of details pursuant to conditions 3 (cycle parking/lighting) and 4 (boundary treatments) of Planning Permission ref: 20/01710/FUL (Conversion of existing residential unit to provide two self-contained flats at ground floor level, including the erection of a single storey ground floor rear extension.) Granted on 06.04.2021.

    8 Apr 2021 252m away Conditions

In Lambeth

  • 26/02152/LDCP Awaiting decision

    111 Hydethorpe Road London SW12 0JF

    Demolition of existing shed and erection of one single storey outbuilding in the rear garden

    23 Jul 2026 Lawful development
  • 26/00455/LDCP Granted

    129 Hydethorpe Road London SW12 0JF

    Application for Certificate of Lawful Development (Proposed) with respect to the erection of a rear dormer roof extension and installation of new rooflights to the front roof slope.

    12 Feb 2026 Lawful development
  • 26/01557/LDCP Granted

    6 Perran Road London SW2 3DL

    Application for a Certificate of Lawfulness (Proposed) with respect to the change of use of the property from dwelling house (Use Class C3) to small house in multiple occupation (HMO) (Use Class C4).

    22 May 2026 Lawful development
  • 26/01500/LDCP Granted

    126 Gipsy Road London SE27 9RE

    Application for a Certificate of Lawful Development (Proposed) with respect to erection of an L-shaped rear dormer roof extension and installation of 3 front roof lights.

    18 May 2026 Lawful development
  • 26/01999/LDCE Awaiting decision

    60 Brixton Road London SW9 6BS

    Application for a Certificate of Lawful Development (Existing) with respect to the continued existence of an elevated decking platform supported by adjoining walls above the roof terrace, together with safety railings to the outer edge, at Flat 2, 60 Brixton Road. Wooden decking replaced with composite decking as like for like maintenance. The submitted evidence details that the structure has been in place unchanged for 16 years.

    9 Jul 2026 Lawful development