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Planning application

DC/26/143247

50 DERBY HILL, LONDON, SE23 3YD

Granted Lewisham Lawful Development Certificate proposed

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

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

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

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

  • DC/21/122094 Withdrawn

    3 DERBY HILL, LONDON, SE23 3YD

    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.

    4 Jun 2021 0m away Householder
  • 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.

    9 Mar 2026 0m away Householder
  • DC/26/144084 Awaiting decision

    22 DERBY HILL CRESCENT, LONDON, SE23 3YL

    Construction of a hip to gable roof extension and roof extension to the rear roof slope, installation of roof lights in the front roof slope, canopy to the rear, together with raising the roof of the garage, alterations to the front elevation in connection with conversion of the garage to provide additional living space and all associated works at 22 Derby Hill Crescent SE23.

    20 May 2026 93m away Householder
  • DC/20/115436 Granted

    16 CENTURY YARD, LONDON, SE23 3XT

    FRONT of CENTURY YARD (rear of Dartmouth Road): ONE Lime (T1)(ht.10m) FELL. Reason: close to adjacent property boundary wall and lifting block paving and kerb edge, causing trip hazard. The very limited space makes replacement with a similar tree not sustainable; however the space will be landscaped with perennials, shrubs and bulbs.

    24 Jan 2020 144m away Trees
  • DC/26/143347 Granted

    7 FORESTHOLME CLOSE, TAYMOUNT RISE, LONDON, SE23 3UQ

    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 conversion of an existing garage into additional living space, with changes to the front and rear elevation openings and cladding at 7 Forestholme Close, Taymount Rise, SE23

    13 Mar 2026 145m away Lawful development
  • DC/23/130280 Awaiting decision

    TAYMOUNT GRANGE, TAYMOUNT RISE, LONDON, SE23 3UH

    Demolition of existing garages at rear of Taymount Grange, Taymount Rise SE23 and the construction of a 5 storey building comprising 29 flats, together with 2 parking spaces and associated landscaping.

    7 Feb 2023 159m away Full applications

In Lewisham

  • DC/26/144205 Granted

    350 DOWNHAM WAY, BROMLEY, BR1 5NR

    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 extension, a rear dormer extension, and the installation of two roof lights on the front elevation at 350 Downham Way, BR1

    2 Jun 2026 Lawful development
  • DC/26/143757 Granted

    74 FARMFIELD ROAD, BROMLEY, BR1 4NG

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) 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 hip-to-gable roof conversion, construction of a rear roof extension and installation of front rooflights at 74 Farmfield Road, BR1.

    21 Apr 2026 Lawful development
  • DC/26/144149 Granted

    11 AMERSHAM ROAD, LONDON, SE14 6QQ

    Application for a Lawful Development Certificate (Existing) submitted under Section (191) of the Town & Country Planning Act 1990 (as amended) for the continued use of one front and three rear roof terraces and alterations to the front and rear elevations at 11 Amersham Road, SE14.

    27 May 2026 Lawful development
  • DC/26/144811 Awaiting decision

    26 ENTERPRIZE WAY, LONDON, SE8 3PJ

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes A, B, C and D 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, replacement of windows, rear dormer extension, a new rooflight and alterations to the front porch at 26 Enterprize Way.

    22 Jul 2026 Lawful development
  • DC/26/144128 Refused

    11 WELLMEADOW ROAD, LONDON, SE13 6SY

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes A, 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 loft conversion with a rear roof dormer, raising of the parapet walls and three front slope rooflights at 11 Wellmeadow Road, SE13.

    26 May 2026 Lawful development