Planning application
21/1401/CP
3 IRWIN AVENUE, PLUMSTEAD, LONDON, SE18 2HP
Proposal
Certificate of Lawfulness (Proposed)is sought for roof extension, involving hip to gable, rear dormer window, new side gable windows and 3no front facing roof-lights.
As published by the council, reference 21/1401/CP
Timeline
Dates from the published record
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14 Apr 2021
Received by Greenwich
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9 Jun 2021
Decision issued: Approve
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26 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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21/1514/PN1 Refused
30 THORNHILL AVENUE, PLUMSTEAD, LONDON, SE18 2HS
Prior Approval for the construction of a single storey rear extension which will extend beyond the rear wall of the original dwelling by 5.00 metres, for which the maximum height will be 3.00 metres and the height at the eaves will be 2.80 metres.
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26/1371/CP Granted
102 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HL
Certificate of Lawfulness (Proposed) is sought for single-storey rear extension, demolition of the existing infill extension, and construction of a new single-storey infill extension, L-shaped dormer extension with front roof lights.
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26/1298/PN1 Granted
102 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HL
Prior Approval for the construction of a single storey rear extension which will extend beyond the rear wall of the original dwelling by 6.00m, for which the maximum height will be 2.9m and the height at the eaves will be 2.9m and demolition of the existing infill extension and reconstruction of a single storey infill extension measuring 3.144m in depth, 2.9m in height and 2.9m to the eaves (Amended description. Re-consultation).
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26/1688/SD Awaiting decision
124 SWINGATE LANE, LONDON, SE18 2HL
Submission of details pursuant to discharge condition 3 (Waste and recycling provision), condition 4 (Cycle parking spaces) and condition 5 (Operational Management Plan) of planning permission reference 26/0123/F dated 09/03/2026.
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26/0874/F Awaiting decision
102 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HL
Change of use from single family dwelling house (Class C3) to a six bedroom HMO with a maximum capacity of six persons (Class C4) including single-storey rear extension, part demolition of the existing infill extension, L-shaped dormer extension with front roof lights and associated provision of refuse and cycle storage
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21/1145/F Refused
112 TIMBERCROFT LANE, PLUMSTEAD, LONDON, SE18 2SG
Erection of outbuilding for additional storage for existing shop.
Other lawful development applications
In Greenwich
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26/2269/CE Awaiting decision
51 BANNOCKBURN ROAD, PLUMSTEAD, LONDON, SE18 1ET
Certificate of Lawfulness (Existing) is sought for HMO with five ensuite rooms with shared kitchen, arranged over ground, first & second floors. This use has been in operation and licensed since at least 2018.
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26/2258/CP Awaiting decision
4 WELTON ROAD, PLUMSTEAD, LONDON, SE18 2JF
Certificate of Lawfulness (Proposed) is sought for proposed outbuilding - Summer House.
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26/1580/CP Withdrawn
8 PARK ROW, GREENWICH, LONDON, SE10 9NG
Certificate of Lawfulness (Proposed) is sought for garden room to the rear of the garden.
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26/1630/CE Granted
28 CHELSWORTH DRIVE, PLUMSTEAD, LONDON, SE18 2RA
Certificate of Lawfulness (Existing) is sought for the change of use from existing dwellinghouse (Class C3) to a supported living accommodation for up to four (4) young people aged 16-17 (Class C2).
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26/2250/CE Awaiting decision
ANNEXE AT, 12 HIGHMEAD, SE18 2DJ
Certificate of Lawfulness (Existing) is sought for continued use as an independent dwellinghouse.