Planning application
DC/26/143246
50 DERBY HILL, LONDON, SE23 3YD
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
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 householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
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DC/21/122094 Withdrawn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/26/143247 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
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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 householder applications
In Lewisham
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DC/26/144214 Refused
54A ALLERFORD ROAD, LONDON, SE6 3DF
Erection of a single-storey rear extension, roof extensions including side/rear dormer structures and rooflights, installation of a front entrance canopy, and associated internal and external alterations at 54A Allerford Road SE6.
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DC/26/143542 Granted
163 ALGERNON ROAD, LONDON, SE13 7AP
Refurbishment and extension of the dwellinghouse, including the construction of a lower ground floor rear extension with rear terrace above and front lightwell, alterations to the existing rear roof extension, replacement windows, doors and roof covering, installation of roof mounted solar panels, and an air source heat pump at 163 Algernon Road, SE13 and associated front garden alterations including boundary treatment and refuse storage.
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DC/26/144235 Granted
34 EWHURST ROAD, LONDON, SE4 1AQ
Construction of a single storey, ground floor rear and infill extension at 34 Ewhurst Road, SE4.
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DC/26/144148 Granted
79 WHITEFOOT LANE, BROMLEY, BR1 5SA
Covering up existing red brick with sand and cement render on the external facade at 79 Whitefoot Lane, BR1.
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DC/26/144186 Granted
18 MICHELDEVER ROAD, LONDON, SE12 8LX
Installation of replacement double glazed windows in the front elevation at 18 Micheldever Road SE12.