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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

72 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

  • 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
  • 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
  • KINGSWEAR HOUSE, DARTMOUTH ROAD, LONDON, SE23 3YE

    DC/21/119964 Submitted 14 Jan 2021 100 yards away

    Alterations to the elevations at Kingswear House, Dartmouth Road SE23, together with construction of retaining walls and formation of extended ramp at the front.

    Granted Full applications 12 docs
  • KINGSWEAR HOUSE, DARTMOUTH ROAD, LONDON, SE23 3YE

    DC/23/130114 Submitted 27 Jan 2023 100 yards away

    An application submitted under Section 96a of the Town & Country Planning Act 1990 for a non-material amendment in connection with planning permission DC/21/119964 dated 8 April 2021 at Kingswear House, Dartmouth Road SE23 in order to allow- changes to the size and positioning of the windows to the front and rear elevations (at ground floor level); retention of the forward projection of the building in the location of flat 3; omission of the green fibre cement boarding around the flat roof parapet and its replacement with a metal coping; omission of the blade wall projections to the front elevation; minor alterations to the layout of the external ramped access; the addition of external cycle stores to the rear of the building.

    Granted Amendments Windows or glazing 16 docs
  • KINGSWEAR HOUSE, DARTMOUTH ROAD, LONDON, SE23 3YE

    DC/23/130106 Submitted 27 Jan 2023 100 yards away

    Prior Approval under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) Order 2015 (as amended) for the change of use from Commercial (Use Class E) into 6 self-contained units (Use Class C3) at Kingswear House Dartmouth Road SE23.

    Granted Prior approval 11 docs

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/26/145218 Awaiting decision

    24 THORNWOOD ROAD, LONDON, SE13 5RG

    The construction of a single-storey rear extension and rear terrace at 24 Thornwood Road, SE13.

    Received 28 Aug, published by the council 10 Sep 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
  • DC/26/143406 Granted

    124 WALLER ROAD, LONDON, SE14 5LU

    Lowering of the existing basement, removal of door at basement level and installation of a window, replacement double-glazed windows, alterations to the rear conservatory, prefabricated cycle storage unit in the front garden and all associated works at 124 Waller Road SE14

    Received 19 Mar, published by the council 25 Jul 2026 Householder
  • DC/26/145072 Withdrawn

    18 HORSMONDEN ROAD, LONDON, SE4 1RG

    Roof level dormer extension and rear extension to mid terraced property

    Received 17 Aug, published by the council 20 Aug 2026 Householder