Planning application
158 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HN
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of Lawfulness (Proposed) is sought for construction of a rear dormer and hip-to-gable roof extension in connection with a loft conversion.
As published by the council, reference 25/4318/CP
Application record
- Reference
- 25/4318/CP
- Type
- Lawful use (operation)
- Status
- Decided
- Decision
- Approve
- Received
- 30 Dec 2025
- Validated
- 30 Dec 2025
- Decided
- 19 Feb 2026
- Ward
- PLUMSTEAD COMMON
- Parish
- Woolwich & Thamesmead
- Decision by
- Delegation
- Postcode
- SE18 2HN
Site history
Applications at this address on the Greenwich register
This site has had 7 applications since 2025: 2 approved, 4 refused.
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25/4266/PN1 Refused
158 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HN
Prior Approval for the construction of two (2) single storey rear extensions which will extend beyond the rear wall of the original dwelling by 6.00m, for which the maximum height will be 3.00m and the height at the eaves will be 3.00m.
-
25/3801/PN1 Refused
158 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HN
Prior Approval for the construction of 2 single storey rear extensions which will extend beyond the rear wall of the original dwelling by 6.00m, for which the maximum height will be 3.00m and the height at the eaves will be 3.00m (Amended description. Re-consultation).
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25/3195/F Refused
158 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HN
Change of use from a single family dwellinghouse (Use Class C3) to a 8-bed, 8-person HMO (Use Class Sui Generis), construction of a single storey rear extension, hip-to-gable loft conversion and construction of rear dormer, conversion of existing garage to a habitable room, front facing rooflights, provision of cycle and refuse storage and all other associated alterations.
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25/3184/CP Refused
158 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HN
Certificate of Lawfulness (Proposed) is sought for a hip-to-gable roof conversion and rear dormer extension with front roof lights.
-
25/3185/PN1 Withdrawn
158 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HN
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 3.00m and the height at the eaves will be 3.00m.
-
25/3181/F Granted
158 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HN
Change of use from an existing single-family dwellinghouse (Use Class C3) to a 6-bed, 6-person HMO (Use Class C4), in addition conversion of existing garage to a habitable room, provision of cycle and refuse storage and all other associated works.
Timeline
Dates from the published record
-
30 Dec 2025
Received by Greenwich
-
19 Feb 2026
Decision issued: Approve
-
11 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, registered in London
442 applications on PlanIndex · across 22 councils · 64% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
5 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat this grant of permission means
Greenwich granted permission on 19 February 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
156 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HN
Prior Approval for the construction of 2 single storey rear extensions which will extend beyond the rear walls of the original dwelling by 6.00m, for which the maximum height will be 3.00m and the height at the eaves will be 3.00m
Granted Prior approval Extension 5 docsSmall domestic -
158 SWINGATE LANE, LONDON, SE18 2HN
Change of use from a single family dwellinghouse (Use Class C3) to a 7-bed, 7-person HMO (Use Class Sui Generis), construction of a single storey rear extension, hip-to-gable loft conversion and construction of rear dormer, conversion of existing garage to a habitable room, front facing rooflights, provision of cycle and refuse storage and all other associated alterations.
Refused Full applications Extension Loft or dormer 8 docsSmall domestic -
156 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HN
Prior Approval for the construction of 2 single storey rear extensions which will extend beyond the rear walls of the original dwelling by 6.00m, for which the maximum height will be 3.00m and the height at the eaves will be 3.00m.(Amended description. Re-consultation).
Refused Prior approval Extension 5 docsSmall domestic -
158 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HN
Prior Approval for the construction of 2 single storey rear extensions which will extend beyond the rear wall of the original dwelling by 6.00m, for which the maximum height will be 3.00m and the height at the eaves will be 3.00m (Amended description. Re-consultation).
Refused Prior approval Extension 5 docsSmall domestic -
158 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HN
Prior Approval for the construction of two (2) single storey rear extensions which will extend beyond the rear wall of the original dwelling by 6.00m, for which the maximum height will be 3.00m and the height at the eaves will be 3.00m.
Refused Prior approval Extension 5 docsSmall domestic -
158 SWINGATE LANE, PLUMSTEAD, LONDON, SE18 2HN
Change of use from a single family dwellinghouse (Use Class C3) to a 8-bed, 8-person HMO (Use Class Sui Generis), construction of a single storey rear extension, hip-to-gable loft conversion and construction of rear dormer, conversion of existing garage to a habitable room, front facing rooflights, provision of cycle and refuse storage and all other associated alterations.
Refused Full applications Extension Loft or dormer 11 docsSmall domestic
Other lawful development applications
In Greenwich
-
26/1169/CP Granted
30 BENARES ROAD, LONDON, SE18 1HY
Certificate of Lawfulness (Proposed) is sought for Proposed rear roof dormer extension to facilitate internal accommodation improvements to an existing small House in Multiple Occupation (HMO) for up to six residents (Use Class C4).
-
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.
-
26/1505/CP Refused
44 GREENVALE ROAD, ELTHAM, LONDON, SE9 1PD
Certificate of Lawfulness (proposed) is sought for a hip to gable roof extension along with a rear dormer extension and insertion of roof lights to the front roof slope and elevational changes and window and door replacement to the rear.
-
26/1484/CP Granted
325 WICKHAM LANE, PLUMSTEAD, LONDON, SE2 0NT
Certificate of Lawfulness (Proposed) is sought for the erection of a Hip to Gable loft conversion with rear dormer and two front sky lights.
-
26/1485/CP Refused
7 WILLENHALL ROAD, WOOLWICH, LONDON, SE18 6TY
Certificate of Lawfulness (Proposed) is sought for change of use of a dwelling house (C3 A) to supported living home for young people (aged 16 plus) living together as a single household (C3 B Use).