Planning application
31 Court Lane London Southwark SE21 7DH
Works: Extension Loft or dormer Domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Construction of L-shaped rear dormer extension with two rooflights, and installation of three rooflights on the main roof.
As published by the council, reference 26/AP/0492
Application record
- Reference
- 26/AP/0492
- Type
- Householder Application
- Status
- Granted
- Decision
- Householder - GRANTED
- Received
- 18 Feb 2026
- Validated
- 25 Feb 2026
- Decided
- 22 Apr 2026
- Ward
- Dulwich Village
- Parish
- Dulwich
- Decision by
- Delegated Panel - Simple
- Postcode
- SE21 7DH
Site history
Applications at this address on the Southwark register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
26/AP/0246 Granted
31 Court Lane London Southwark SE21 7DH
Construction of a single-storey outbuilding to the rear garden and bike shed
Timeline
Dates from the published record
-
18 Feb 2026
Received by Southwark
-
25 Feb 2026
Validated
Checked as complete and ready for consideration.
-
22 Apr 2026
Decision issued: Householder - GRANTED
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice registered in Godalming
24 applications on PlanIndex · across 6 councils · 83% 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
24 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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Southwark granted permission on 22 April 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 householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
31 Court Lane London Southwark SE21 7DH
Construction of a single-storey outbuilding to the rear garden and bike shed
Granted Householder 28 docsSmall domestic -
21 Court Lane London Southwark SE21 7DH
T1 Magnolia Crown thin by 20% including the removal o f dead wood and necessary re-shaping. The heightand basic shape should be retained. Prune branches at convenient growthpoints, rather than an all-round reduction or pollarding.
Granted Trees 6 docs -
37-39 Court Lane London Southwark SE21 7DP
Works to a tree with a TPO: T1. Turkey Oak Tree.50% reduction to a mature trifurcated Turkey Oak to mitigate for fungal colonisation at the bole and risk of windthrow. Reducing a 22m High tree to 11m AGL. New growth along the stem to crown break should be retained. Lateral branches to be reduced to 1-1.5m from the stems, retaining the first growth clumps.
Granted Trees 9 docs -
39 Court Lane London Southwark SE21 7DP
T1 - Turkey Oak, circa 25m in height situated on the left hand side of the front garden. Reduction in height by up to 3m to 22m. Overall reduction to laterals by 3m and of Lower laterals on Northern Aspect by up to 1m away from the roof line.
Granted Trees 4 docs -
13 Court Lane London Southwark SE21 7DH
95% historically approved · decision due ~3 Sep
The addition and replacement of windows, installation of 1no. heat pump, installation of solar panels to roof of rear garage, landscaping to front and rear including removal and replacement of trees.
Awaiting decision Windows or glazing Trees -
13 Court Lane London Southwark SE21 7DH
95% historically approved · decision due ~13 Oct
Certificate of Lawful Development (proposed) for the installation of an air source heat pump.
Awaiting decision
Other householder applications
In Southwark
-
26/AP/0707 Granted
33 Abbotswood Road London Southwark SE22 8DJ
Construction of a rear dormer extension and ground floor rear extension.
-
26/AP/0784 Granted
60 Grove Park London Southwark SE5 8LF
Refurbishment of the property including replacement of glazing with thermally efficient conservation windows templated after originals, construction of a single-storey rear extension, a loft extension, minor internal partition alterations, and removal of external soil vent pipes.
-
26/AP/1488 Granted
15 Canon Beck Road London Southwark SE16 7DJ
Loft conversion including the insertion of 2 no. rooflights to the front roof slope; conversion of the existing garage to a habitable room with an associated window to replace the existing garage door on the front elevation, installation of an Air Source Heat Pump and other alterations to the rear elevation fenestration at ground floor level.
-
26/AP/0971 Granted
86 Henslowe Road London Southwark SE22 0AS
Retrospective planning permission for alterations to front garden layout including a front porch with projecting canopy, alterations to window apertures and fenestration, provision of cycle and refuses stores, along with hard and soft landscaping. new bin store and raised porch roof and revisions to front elevation fenestration.
-
26/AP/1519 Granted
61 Tyrrell Road London Southwark SE22 9NE
Construction for a rear and side wrap around ground floor extension