Planning application
DC/26/142686
26 TANNSFELD ROAD, LONDON, SE26 5DF
Proposal
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 rear dormer roof extension, the insertion of two rooflights to the front roof slope, and alterations to the existing rear extension including changes to cladding, windows, and door at 26 Tannsfield Road, SE26.
As published by the council, reference DC/26/142686
Timeline
Dates from the published record
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16 Jan 2026
Received by Lewisham
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2 Feb 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/26/143587 Granted
19 TANNSFELD ROAD, LONDON, SE26 5DQ
Construction of single storey rear extension at 19 Tannsfeld Road, SE26.
-
DC/26/144580 Awaiting decision
12 GIRTON ROAD, LONDON, SE26 5DH
The construction of a hip-to-gable and L-shaped dormer loft conversion at 12 Girton Road SE26.
-
DC/19/115113 Granted
74-78 SYDENHAM ROAD, LONDON, SE26 5QE
The change of use of the existing retail unit (Use Class A1) to a gym/leisure unit (Use Class D2) at 74-78 Sydenham Road, SE26.
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DC/26/144338 Awaiting decision
42 HOMECROFT ROAD, LONDON, SE26 5QG
Ground floor extension to a dwellinghouse at 42 Homecroft Road, SE26.
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DC/19/115022 Granted
58 HOMECROFT ROAD, LONDON, SE26 5QG
Construction of a single storey wrap around extension at 58 Homecroft Road, SE26, together with the construction of a single storey outbuilding.
-
DC/26/143248 Granted
26 HOMECROFT ROAD, LONDON, SE26 5QG
Construction of a two-storey house with flat green roof in the rear garden of 26 Homecroft Road SE26, together with the provision of an air source heat pump and bin storage.
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.