Planning application
34 Alleyn Road London Southwark SE21 8AL
Works: Extension Loft or dormer Windows or glazing
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Non-material amendment to planning permission ref no. 24/AP/3809 'Ground floor rear extension, replacement ground floor side extension, replacement rear addition on reduced footprint, enlargement to existing basement with associated lightwells to front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to house), installation of an air source heat pump unit to lower ground floor with associated plant equipment, replacement front garden paving, and adjustment to front garden boundary to improve vehicle access'. NMA sought to amend the description of development to: 'Ground floor rear extension, replacement ground floor side extension, replacement rear addition on a reduced footprint, enlargement of the existing basement with associated lightwells to the front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to the house), installation of 2No. of air source heat pump units and 2No. of AC units at lower ground floor level with associated plant equipment, replacement front garden paving, and adjustment to the front garden boundary to improve vehicle access'
As published by the council, reference 26/AP/0515
Application record
- Reference
- 26/AP/0515
- Type
- Variation: Non-Material Changes
- Status
- Decided
- Decision
- Agreed - for App Types VLA & VNMC
- Received
- 20 Feb 2026
- Validated
- 20 Feb 2026
- Decided
- 16 Mar 2026
- Ward
- Dulwich Wood
- Parish
- Dulwich
- Decision by
- Delegated Panel - Simple
- Postcode
- SE21 8AL
Site history
Applications at this address on the Southwark register
This site has had 4 applications since 2025: 2 approved, 0 refused.
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26/AP/0881 Granted
34 Alleyn Road London Southwark SE21 8AL
Variation of Condition 1 (Approved Plans) pursuant to planning permission 26/AP/0376 dated 13.02.2026 for 'Variation of Condition 1 (Approved Plans) for application 24/AP/3809 dated 17.02.2025 for: Ground floor rear extension, replacement ground floor side extension, replacement rear addition on a reduced footprint, enlargement of the existing basement with associated lightwells to the front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to the house), installation of an air source heat pump unit at lower ground floor level with associated plant equipment, replacement front garden paving, and adjustment to the front garden boundary to improve vehicle access.' Amendments sought include: -Changes to the size and position of rooflights; -Changes to the design and type of rear elevation fenestration; -Extension of the basement to the front to create a store for 2 no. AC units and 2 no. ASHP units; Amendment sought in current application: To add 4No. of rooflights to the main roof slope
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26/AP/0376 Granted
34 Alleyn Road London Southwark SE21 8AL
Variation of Condition 1 (Approved Plans) for application 24/AP/3809 dated 17/02/2025 for 'Ground floor rear extension, replacement ground floor side extension, replacement rear addition on a reduced footprint, enlargement of the existing basement with associated lightwells to the front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to the house), installation of an air source heat pump unit at lower ground floor level with associated plant equipment, replacement front garden paving, and adjustment to the front garden boundary to improve vehicle access.' Amendments sought include -Changes to the size and position of rooflights -Changes to the design and type of rear elevation fenestration -Extension of the basement to the front to create a store for 2No. AC units and 2No. ASHP units
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25/AP/2288 Awaiting decision
34 Alleyn Road London Southwark SE21 8AL
Demolition of the building with retention of the front façade to facilitate the development approved under 24/AP/3809 (amended description)
Timeline
Dates from the published record
-
20 Feb 2026
Received by Southwark
-
16 Mar 2026
Decision issued: Agreed - for App Types VLA & VNMC
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, an architecture practice registered in London
30 applications on PlanIndex · across 8 councils · 83% granted
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See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
19 documents on file for this application
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Open the documentsAfter the decision
Southwark has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.
About condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.
Nearby applications
Within 500 metres
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34 Alleyn Road London Southwark SE21 8AL
Variation of Condition 1 (Approved Plans) for application 24/AP/3809 dated 17/02/2025 for 'Ground floor rear extension, replacement ground floor side extension, replacement rear addition on a reduced footprint, enlargement of the existing basement with associated lightwells to the front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to the house), installation of an air source heat pump unit at lower ground floor level with associated plant equipment, replacement front garden paving, and adjustment to the front garden boundary to improve vehicle access.' Amendments sought include -Changes to the size and position of rooflights -Changes to the design and type of rear elevation fenestration -Extension of the basement to the front to create a store for 2No. AC units and 2No. ASHP units
Granted Amendments Extension Loft or dormer +1 21 docs -
34 Alleyn Road London Southwark SE21 8AL
Variation of Condition 1 (Approved Plans) pursuant to planning permission 26/AP/0376 dated 13.02.2026 for 'Variation of Condition 1 (Approved Plans) for application 24/AP/3809 dated 17.02.2025 for: Ground floor rear extension, replacement ground floor side extension, replacement rear addition on a reduced footprint, enlargement of the existing basement with associated lightwells to the front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to the house), installation of an air source heat pump unit at lower ground floor level with associated plant equipment, replacement front garden paving, and adjustment to the front garden boundary to improve vehicle access.' Amendments sought include: -Changes to the size and position of rooflights; -Changes to the design and type of rear elevation fenestration; -Extension of the basement to the front to create a store for 2 no. AC units and 2 no. ASHP units; Amendment sought in current application: To add 4No. of rooflights to the main roof slope
Granted Amendments Extension Loft or dormer +1 22 docs -
34 Alleyn Road London Southwark SE21 8AL
95% historically approved · decision due ~15 Oct
Demolition of the building with retention of the front façade to facilitate the development approved under 24/AP/3809 (amended description)
Awaiting decision Householder Demolition 25 docsDomestic -
Ground Floor Flat 56 South Croxted Road London Southwark SE21 8BD
Construction of a single storey L-shaped rear extension with partially pitched and partially flat roof.
Granted Full applications Extension 21 docsSmall domestic -
25 Alleyn Road London Southwark SE21 8AB
Works to a tree with a TPO: T1 & T2 - Lime Trees, to re-pollard at previous pruning points. Retaining knuckles.
Granted Trees 8 docs -
46 South Croxted Road London Southwark SE21 8BD
Construction of a roof-lit side infill rear extension, replacement of ground floor rear window to patio doors, enlargement of first-floor window and alterations to windows and doors on the side elevation of the property.
Granted Householder Extension Windows or glazing 23 docsDomestic
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26/AP/0546 Decided
Land Known As Devonshire Place 747-759 And 765-775 Old Kent Road And Land At Devonshire Grove London SE15 1NZ
Variation of Section 106 Agreement (ref no. LEG/RP/PL/S106/RR020/465) associated with planning permission 23/AP/1862, which gave consent for: "Phased mixed-use redevelopment of the site, comprising: - Demolition of all existing buildings/structures, site clearance and excavation; - Construction of buildings to provide residential dwellings (Class C3) and flexible commercial, business and service space (Class E); - Construction of buildings to provide purpose built student accommodation including associated amenity and ancillary space, flexible commercial, business, service and community spaces within Classes E/F2(b) (Sui Generis); and - Provision of associated car and cycle parking, open space and landscaping, means of access and highway alterations, installation of plant and utilities and all other associated ancillary works incidental to the development". This Deed of Variation application seeks changes to the definitions, schedules and appendices (as appropriate) within the Section 106 Agreement in connection with changes formally sought under a concurrent non-material amendment application, the reference number for which is 26/AP/0377. The changes to the Section 106 Agreement sought by the Deed of Varation application would: - reflect all of the changes proposed by 26/AP/0377 to the sizes and layouts of the various buildings, elevations, basements, rooms, dwellings and external facilities across the consented development; - reflect the conversion of 75 dwellings from their consented Shared Ownership tenure to their proposed Social Rent tenure; - insert the GLA's Mortgagee in Possession (MiP) clauses; - omit the requirement to explore opportunities for healthcare providers to occupy the Block C commercial premises, enabling the applicant to instead proceed to exploring opportunities for the premises to be occupied as affordable workspace; and - make other non-material changes to the Section 106 Agreement wording.
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26/AP/0377 Decided
Land Known As Devonshire Place 747-759 And 765-775 Old Kent Road And Land At Devonshire Grove London SE15 1NZ
Non-material amendment to planning permission 23/AP/1862 (as amended by 26/AP/1158), which gave consent for: "Phased mixed-use redevelopment of the site, comprising: - Demolition of all existing buildings/structures, site clearance and excavation; - Construction of buildings to provide residential dwellings (Class C3) and flexible commercial, business and service space (Class E); - Construction of buildings to provide purpose built student accommodation including associated amenity and ancillary space, flexible commercial, business, service and community spaces within Classes E/F2(b) (Sui Generis); and - Provision of associated car and cycle parking, open space and landscaping, means of access and highway alterations, installation of plant and utilities and all other associated ancillary works incidental to the development)". The non-material amendments sought by 26/AP/0377 are: - Change of tenure of the 75 consented dwellings in Building C from Shared Ownership to Social Rent; - Relocation of the consented basement at Building A to Building B; - Re-sizing of the consented basement at Building D; - Changes across all four buildings to the circulation core arrangements, as well as the size and layout of the internal communal amenity facilities, cycle storage facilities, refuse stores and ancillary facilities; - Reconfiguration of the consented rooftops, affecting the rooftop plant areas, the shared communal amenity spaces, and the extent and nature of greening; - Changes to the consented elevations (including small reductions in the overall height) of Buildings A, B, C and D; - Adjustments to the layouts of the consented Class C3 homes, including in some instances the associated balconies; - Adjustments to the distribution of the consented wheelchair Class C3 homes; and - Removal/changes to some legal obligations, including the Healthcare Facility and the Early Stage Viability Review trigger timeframe.