Planning application
DC/26/143247
50 DERBY HILL, LONDON, SE23 3YD
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
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9 Mar 2026
Received by Lewisham
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22 Apr 2026
Decision issued: Granted
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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.
Nearby applications
Within 500 metres
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DC/21/122094 Withdrawn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.
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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.
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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.
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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.
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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
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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.
Other lawful development applications
In Lewisham
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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
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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.
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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.
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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.
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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.