Planning application
56 Alleyn Park London Southwark SE21 8SF
Works: Extension Demolition Small 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 a single-storey side and rear extension following demolition of the existing garage, including solar panels on the roof.
As published by the council, reference 25/AP/3817
Application record
- Reference
- 25/AP/3817
- Type
- Householder Application
- Status
- Granted
- Decision
- Householder - GRANTED
- Received
- 29 Dec 2025
- Validated
- 30 Dec 2025
- Decided
- 2 Mar 2026
- Ward
- Dulwich Wood
- Parish
- Dulwich
- Decision by
- Delegated Panel - Simple
- Postcode
- SE21 8SF
Site history
Applications at this address on the Southwark register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
26/AP/0801 Granted
56 Alleyn Park London Southwark SE21 8SF
Discharge of Condition 3 foundation details within the influencing distance (30m) of local trees as required by planning permission 25/AP/3817 dated 02/03/2026 for Construction of a single-storey side and rear extension following demolition of the existing garage, including solar panels on the roof.
Timeline
Dates from the published record
-
29 Dec 2025
Received by Southwark
-
30 Dec 2025
Validated
Checked as complete and ready for consideration.
-
2 Mar 2026
Decision issued: Householder - GRANTED
-
10 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
26/AP/0801 Granted
56 Alleyn Park London Southwark SE21 8SF
Discharge of Condition 3 foundation details within the influencing distance (30m) of local trees as required by planning permission 25/AP/3817 dated 02/03/2026 for Construction of a single-storey side and rear extension following demolition of the existing garage, including solar panels on the roof.
Who's behind it
Company information only, from the register and Companies House
Agent on file, registered in London
20 applications on PlanIndex · across 2 councils · 100% 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
22 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 2 March 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
-
56 Alleyn Park London Southwark SE21 8SF
Discharge of Condition 3 foundation details within the influencing distance (30m) of local trees as required by planning permission 25/AP/3817 dated 02/03/2026 for Construction of a single-storey side and rear extension following demolition of the existing garage, including solar panels on the roof.
Granted Conditions Extension Demolition +1 8 docsSmall domestic -
3 Morkyns Walk Alleyn Park London Southwark SE21 8BG
Holly (T1, c.5m tall) and Conifer (T2, c.4m tall) are under 60cm apart on the front elevation - Fell as close to ground level as possible because they are growing too close to the building (under 65cm and under 55cm away)
Granted Trees 8 docs -
49 Alleyn Park London Southwark SE21 8AT
Works to a TPO tree: T1- Oak Tree, to lightly thin the crown trimming back from the neighbouring Koelreuteria tree.
Granted Trees 7 docs -
Hunts Slip Road And Alleyn Park Triangle London Southwark SE21 7LJ
Apple species (7807) and Norway Maple (102) - Fell to ground level
Decided Trees 6 docs -
3 Morkyns Walk Alleyn Park London Southwark SE21 8BG
Replacement of existing single and double glazed timber and PVC windows with triple glazed aluminium-timber composite windows and raising of main and rear roof in order to install additional insulation and a ventilation layer.
Granted Full applications Windows or glazing 17 docs -
61 Alleyn Park London Southwark SE21 8AT
Works to TPO trees:T1 - Japanese Acer located in the front garden of 61 Alleyn Park. Tree is very close to the building and there is significant structural damage to require that this tree is removed to ground level and the stump grubbed out. G1 - Group of 4 Medium/Large size Lawson Pine trees growing in the front garden and on the boundary of 63 Alleyn Park and 61 Alleyn Park. Both properties have structural damage and the trees on the boundary between both properties need to be removed to ground level.
Granted Trees 15 docs
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