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Planning application

50 DERBY HILL, LONDON, SE23 3YD

Granted Lewisham DC/26/143246 Householder Application

Works: Extension Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Construction of a single-storey rear extension and replacement of rear first floor bay window with a flush window to 50 Derby Hill, SE23.

As published by the council, reference DC/26/143246

Application record

Reference
DC/26/143246
Type
Householder Application
Status
Decided
Decision
Granted
Received
9 Mar 2026
Validated
9 Mar 2026
Decided
22 Apr 2026
Ward
Forest Hill
Decision by
Delegated
Postcode
SE23 3YD

Site history

Applications at this address on the Lewisham register

This site has had 2 applications since 2026: 2 approved, 0 refused.

  • DC/26/143247 Granted

    50 DERBY HILL, LONDON, SE23 3YD

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a hip-to-gable and rear roof extension and installation of four front-slope roof lights to 50 Derby Hill, SE23

    Decided 22 Apr 2026 Lawful development

Timeline

Dates from the published record

  1. 9 Mar 2026

    Received by Lewisham

  2. 22 Apr 2026

    Decision issued: Granted

  3. 25 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Studio Werc Ltd Agent, registered in London

Active · incorporated 2017 · London

78 applications on PlanIndex · across 16 councils · 93% granted

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

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Documents

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

9 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.

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What this grant of permission means

Lewisham granted permission on 22 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 42 DERBY HILL, LONDON, SE23 3YD

    DC/18/110094 Submitted 12 Dec 2018 50 yards away

    Certificate of Lawful Development (Proposed) for the construction of a hip-to-gable and rear dormer extension loft conversion at 42 Derby Hill, SE23, incorporating rooflights on the front roofslope.

    Refused Lawful development Extension Loft or dormer 9 docs

  • 21 DERBY HILL, LONDON, SE23 3YD

    DC/21/121561 Submitted 28 Apr 2021 50 yards away

    Construction of single storey side and rear extensions at 21 DERBY HILL, SE23, together with alterations to the existing raised patio and landscaping, and to the front porch.

    Granted Householder Extension 5 docs
    Small domestic

  • 3 DERBY HILL, LONDON, SE23 3YD

    DC/21/122094 Submitted 4 Jun 2021 50 yards away

    Demolition of existing garage, new single storey side extension, replace existing porch with new. Convert the existing roof from hip to gable, new dormer to rear roof slope. 2 no. roof lights to front roof slope, 2 no. rooflights to new pitched roof to side extension and 2 no. rooflights to dormer flat roof. Replacement of existing window to side elevation. Repairs to boundary wall, installation of new gate, resurfacing of front driveway and path.

    Withdrawn Householder Extension Loft or dormer +3
    Small domestic

  • 13 DERBY HILL, LONDON, SE23 3YD

    DC/18/109917 Submitted 29 Nov 2018 50 yards away

    The construction of a part one/two storey side extension at 13 Derby Hill, SE23, together with the relocation of the crossover, alterations to the front and side boundary treatments and hard and soft landscaping of the front driveway REVISED DESCRIPTION

    Refused Householder Extension 11 docs
    Domestic

  • 50 DERBY HILL, LONDON, SE23 3YD

    DC/26/143247 Submitted 9 Mar 2026 50 yards away

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a hip-to-gable and rear roof extension and installation of four front-slope roof lights to 50 Derby Hill, SE23

    Granted Lawful development Extension Loft or dormer 9 docs

  • 42 DERBY HILL, LONDON, SE23 3YD

    DC/19/111588 Submitted 25 Mar 2019 50 yards away

    Retrospective planning permission for the construction of a hip to gable end extension and a roof extension incorporating Juliet balcony in the rear roof slope at 42 Derby Hill SE23, together with the installation of rooflights in the front roof slope and a new window in the side.

    Granted Householder Extension Loft or dormer +1 10 docs
    Domestic

In Lewisham

  • DC/26/144603 Granted

    6 FRIENDLY STREET, LONDON, SE8 4DT

    Patial demoltion of existing rear additions, construction of a new single storey rear extension and all associated works at 6 Friendly Street, SE8

    Received 6 Jul, published by the council 3 Aug 2026 Householder
  • DC/26/145239 Awaiting decision

    18 ARICA ROAD, LONDON, SE4 2PX

    Construction of a single-storey side/rear wraparound extension featuring roof terrace with glazed privacy screen, L-shape rear roof extension with juliet balacony and two rooflights to the front roofslope of 18 Arica Road, London, SE4 2PX

    Received 31 Aug, published by the council 9 Sep 2026 Householder
  • DC/26/145176 Awaiting decision

    162 CHUDLEIGH ROAD, LONDON, SE4 1EE

    Construction of a two storey side extension with a hipped roof and a cycle store within the front garden at 162 Chudleigh Road, SE4 1EE.

    Received 25 Aug, published by the council 28 Aug 2026 Householder
  • DC/26/145156 Awaiting decision

    6 WALTERS WAY, LONDON, SE23 3LH

    The installation of an Air Source Heat Pump positioned on the flat roof of the front porch, together with the removal of the existing glasal fibre cement cladding board and overcladding the thermal envelope, ground floor rear and front porch extension, first floor rear extension and extension of roofline, installation of solar panels at roof level and all associated works at Walters Way SE23.

    Received 24 Aug, published by the council 26 Aug 2026 Householder
  • DC/26/142856 Granted

    21 HAREFIELD ROAD, LONDON, SE4 1LW

    Retrospective planning permission for the construction of timber decking, shed, pergola and a boundary fence in the rear garden of 21 Harefield Road SE4.

    Received 2 Feb, published by the council 25 Jul 2026 Householder