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Planning application

26/01762/LDCP

45 St Louis Road London SE27 9QJ

Awaiting decision Lambeth Certificate of Lawful Use proposed

Proposal

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

As published by the council, reference 26/01762/LDCP

Timeline

Dates from the published record

  1. 16 Jun 2026

    Received by Lambeth

  2. 25 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Lambeth for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

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

  • 26/00693/FUL Awaiting decision

    45 St Louis Road London Lambeth SE27 9QJ

    Conversion of existing single dwelling into two self-contained dwellings with associated works including; erection of a single storey rear infill extension and rear dormer.

    5 Mar 2026 0m away Full applications
  • 26/01761/LDCP Awaiting decision

    45 St Louis Road London SE27 9QJ

    Application for a Certificate of Lawful Development (Proposed) with respect to the erection of ground floor single storey rear extensions.

    16 Jun 2026 0m away Lawful development
  • 17/02350/PDE Withdrawn

    21A St Louis Road London SE27 9QN

    Application for prior approval for the erection of a single storey ground floor rear extension with dimensions of 3.6m (length), 2.85m (total maximum height) and 2.35m (height to the eaves)

    16 May 2017 96m away Prior approval
  • 26/01008/FUL Granted

    19 St Louis Road London SE27 9QN

    Construction of a ground floor single-storey rear extension, a two-storey side infill extension, and the addition of a upward extension. Works also include the replacement of existing uPVC windows with traditional timber sash windows and associated alterations, including the extension of existing chimney stacks.

    30 Mar 2026 115m away Full applications
  • 21/01013/DET Granted

    25 Auckland Hill London SE27 9PF

    Approval of details pursuant to conditions 5 (Green roof) of planning permission ref : 19/00340/FUL (Erection of a single storey lower ground floor rear extension with courtyard together with replacement door at ground floor (Flat 25) and the erection of a first floor rear extension (Flat 27).) granted on 26.03.2019

    11 Mar 2021 135m away Conditions
  • 21/01012/DET Granted

    31 - 37 Auckland Hill London SE27 9PF

    Approval of details pursuant to conditions 8 (Green roof) of planning permission ref 20/02373/VOC (Variation of condition 2 (Approved Plans) of planning permission 18/02253/FUL (Demolition of existing buildings and the erection of a four storey replacement building comprising of 7 x residential units (Class C3), associated amenity space, landscaping, cycle parking and refuse storage) granted on 02.10.2020. Variation sought: - to increase the single storey elements of the lower ground floor to allow for adequate internal floor area for family (3 bed) units on this floor; and - an additional rear infill dormer between two approved dormers to allow for adequate access to the top floor flat that satisfies Approved Document Part M4(3). (Reason for re-consultation: the addition of a rear infill dormer) granted on 08.06.2021

    11 Mar 2021 140m 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