Skip to content
PlanIndex Get alerts
Menu

Planning application

23 Thornbury Road London SW2 4DL

Refused Lambeth 20/01926/FUL Full Planning Permission

Works: Extension Loft or dormer Windows or glazing

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Erection of rear roof dormer extension, installation of 2 front rooflights and replacement of existing windows.

As published by the council, reference 20/01926/FUL

Application record

Reference
20/01926/FUL
Type
Full Planning Permission
Status
Decided
Decision
Refused As published: Refuse Permission
Received
11 Jun 2020
Validated
11 Jun 2020
Decided
21 Jul 2020
Ward
Brixton Hill
Decision by
Delegated Decision
Postcode
SW2 4DL

Timeline

Dates from the published record

  1. 11 Jun 2020

    Received by Lambeth

  2. 21 Jul 2020

    Decision issued: Refuse Permission

  3. 22 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Catfish Studio Limited Agent, registered in London

Active · incorporated 2003 · London

10 applications on PlanIndex · across 4 councils · 70% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

18 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this refusal means

Lambeth refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 27 Thornbury Road London Lambeth SW2 4DL

    26/01001/FUL Submitted 27 Mar 2026 50 yards away

    Erection of a single storey ground floor side/rear infill extension with side pitched roof and flat rear roof including roof lights.

    Granted Full applications Extension Loft or dormer 9 docs
    Small domestic
  • 27 Thornbury Road London Lambeth SW2 4DL

    26/00999/LDCP Submitted 27 Mar 2026 50 yards away

    Application for a Certificate of Lawful Development (Proposed) with respect to the erection of a rear roof extension incorporating a juliet balcony and the installation of three roof lights to the front and to the rear outrigger.

    Granted Lawful development Extension Loft or dormer 6 docs
  • 49 Thornbury Road London SW2 4DL

    16/04905/FUL Submitted 17 Aug 2016 50 yards away

    Erection of a single storey ground floor rear and side and rear infill extension

    Refused Full applications Extension 11 docs
    Small domestic
  • 49 Thornbury Road London SW2 4DL

    16/04903/LDCP Submitted 17 Aug 2016 50 yards away

    Application for a Certificate of Lawful Development (Proposed) with respect to erection of a single storey ground floor rear and side infill extension

    Refused Lawful development Extension 10 docs
    Small domestic
  • 17 Thornbury Road London SW2 4DL

    26/02821/FUL Submitted 29 Sep 2026 50 yards away

    78% historically approved · decision due ~24 Nov

    Replacement of the existing timber windows and doors with new double glazed uPVC framed windows to all elevations, a new composite door to the front, and a new uPVC door to the rear.

    Awaiting decision Full applications Windows or glazing
  • 15 Thornbury Road London SW2 4DL

    20/01989/FUL Submitted 17 Jun 2020 50 yards away

    Erection of a single storey ground floor rear side infill extension together with a cycle store in the rear garden; and the erection of a rear mansard roof extension with the installation of three front rooflights together with the erection of an intersecting pitched roof behind the existing front parapet.

    Granted Full applications Extension Loft or dormer 27 docs
    Small domestic

In Lambeth

  • 26/03073/FUL Awaiting decision

    10 Claverdale Road London SW2 2DP

    Erection of a single storey ground floor rear side infill extension. Erection of a rear dormer roof extension with juliet balcony and installation of a roof light to rear return roof.

    Received 20 Oct, published by the council 23 Oct 2026 Full applications
  • 26/03040/FUL Awaiting decision

    3 Walberswick Street London Lambeth SW8 1XF

    Erection of a second-storey rear extension and the addition of a window to the mansard. Reduction from a double sliding door to a single door with a Juliet balcony

    Received 15 Oct, published by the council 21 Oct 2026 Full applications
  • 26/03004/FUL Awaiting decision

    61 Amesbury Avenue London Lambeth SW2 3AE

    Erection of a single storey rear infill extension, replacement of the existing timber sash windows with double glazed timber sash windows, erection of new fence to front patio and installaton of Air Source Heat Pump to existing roof.

    Received 14 Oct, published by the council 21 Oct 2026 Full applications
  • 26/02990/FUL Awaiting decision

    85 Clapham Manor Street London Lambeth SW4 6DR

    Construction of a mansard-roof extension to provide additional residential accommodation.

    Received 13 Oct, published by the council 23 Oct 2026 Full applications
  • 26/02988/FUL Awaiting decision

    76 Bonham Road London Lambeth SW2 5HG

    Change of use of the ground floor to self contained unit (class C3), upper floors and loft to a large House in Multiple Occupation (Sui Generis), together with sub-division of the rear garden, installation of 2x rooflights to front roofslope, conversion of the existing garage to ancillary residential gym use, installation of air source heat pumps, and provision of cycle and refuse storage.

    Received 13 Oct, published by the council 22 Oct 2026 Full applications