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Planning application

50 DERBY HILL, LONDON, SE23 3YD

Granted Lewisham DC/26/143247 Lawful Development Certificate proposed

Works: Extension Loft or dormer

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

Proposal

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

As published by the council, reference DC/26/143247

Application record

Reference
DC/26/143247
Type
Lawful Development Certificate proposed
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/26/143246 Granted

    50 DERBY HILL, LONDON, SE23 3YD

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

    Decided 22 Apr 2026 Householder

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 lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. 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/26/143246 Submitted 9 Mar 2026 50 yards away

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

    Granted Householder Extension Windows or glazing 9 docs
    Small domestic
  • 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/26/143983 Granted

    1 SANDROCK ROAD, LONDON, SE13 7TS

    Application for a Lawful Development Certificate existing submitted under Section 191 of the Town & Country Planning Act 1990 (as amended) to establish that the lawful use of 1 Sandrock Road, SE13, is as a small house in multiple occupation for no more than six residents.

    Received 12 May, published by the council 25 Jul 2026 Lawful development
  • DC/26/143740 Granted

    GROUND FLOOR FLAT, 46 HALESWORTH ROAD, LONDON, SE13 7TL

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the siting of a single-unit mobile home for ancillary use to the dwelling at Ground Floor Flat, 46 Halesworth Road SE13.

    Received 20 Apr, published by the council 25 Jul 2026 Lawful development
  • DC/26/144365 Granted

    21 HEATHER ROAD, LONDON, SE12 0UG

    Application for a Lawful Development Certificate (existing) submitted under Section 191 of the Town & Country Planning Act 1990 (as amended) for the use of property as a house in multiple occupation (C4 Use Class) at 21 Heather Road, SE12

    Received 16 Jun, published by the council 25 Jul 2026 Lawful development
  • DC/26/144317 Granted

    154 MINARD ROAD, LONDON, SE6 1NJ

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Class A of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a single-storey rear extension at 154 Minard Road, SE6

    Received 15 Jun, published by the council 25 Jul 2026 Lawful development
  • DC/26/144314 Granted

    273 BROWNHILL ROAD, LONDON, SE6 1AE

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) for change of use from Class E(a) 'for the display or retail sale of goods other than hot food principally to visiting members of the public' to Class E(b) for the sale of food and drink principally to visiting members of the public where consumption of that food and drink is mostly undertaken on the premises at 273 Brownhill Road, London SE6 1AE.

    Received 12 Jun, published by the council 25 Jul 2026 Lawful development