Planning application
1 Alleyn Road London Southwark SE21 8AB
Works: Extension Loft or dormer Windows or glazing
Relates to 23/AP/3087
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Details of Condition 4 - Landscaping Scheme as required by planning permission 23/AP/3087 dated 13/03/2024 for Enlargement of existing basement with 1no. Lightwell to the front and 1no. Lightwell to the south elevation, associated with new patio area in the rear garden and replacement of ground floor windows; - Construction of loft conversion with 2no. dormer windows and 2no. roof windows on northwest and southeast elevations, associated with removal of 1no. chimney to the front slope and change of roof top on garage; - Conversion of side conservatory to a bricked extension; - Enlargement of vehicular entrance to garage and blocking up of a side door, - blocking up of a rear window and door of the garage; - Installation of solar slates on front and rear roof slopes of both main house and garage; - Installation of 2nos. ASHP and 1no. AC unit on south elevation; - Proposed material railings and gates on the front boundary;
As published by the council, reference 26/AP/1793
Application record
- Reference
- 26/AP/1793
- Type
- Approval of Details
- Status
- Granted
- Decision
- Granted As published: AOD - Granted
- Received
- 19 Jun 2026
- Validated
- 22 Jun 2026
- Decided
- 12 Aug 2026
- Ward
- Dulwich Wood
- Parish
- Dulwich
- Decision by
- Delegated Panel - Simple
- Postcode
- SE21 8AB
Site history
Applications at this address on the Southwark register
This site has had 3 applications since 2023: 3 approved, 0 refused.
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25/AP/3358 Granted
1 Alleyn Road London Southwark SE21 8AB
Variation of Conditions 1 (Approved Plans) for planning permission ref.23/AP/3087. The proposed changes are: 1. Change in front landscaping (design attached) 2. Removing the lean-to conservatory and reducing the size of the basement whilst moving the lightwell further away from the neighbouring property.
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23/AP/3087 Granted
1 Alleyn Road London Southwark SE21 8AB
Enlargement of existing basement with 1no. Lightwell to the front and 1no. Lightwell to the south elevation, associated with new patio area in the rear garden and replacement of ground floor windows; - Construction of loft conversion with 2no. dormer windows and 2no. roof windows on northwest and southeast elevations, associated with removal of 1no. chimney to the front slope and change of roof top on garage;- Conversion of side conservatory to a bricked extension;- Enlargement of vehicular entrance to garage and blocking up of a side door,- blocking up of a rear window and door of the garage; - Installation of solar slates on front and rear roof slopes of both main house and garage;- Installation of 2nos. ASHP and 1no. AC unit on south elevation;- Proposed material railings and gates on the front boundary;
Timeline
Dates from the published record
-
19 Jun 2026
Received by Southwark
-
22 Jun 2026
Validated
Checked as complete and ready for consideration.
-
25 Jul 2026
Added to PlanIndex
-
12 Aug 2026
Decision issued: AOD - Granted
Related applications
Cases linked to this one on the register
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23/AP/3087 Granted
1 Alleyn Road London Southwark SE21 8AB
Enlargement of existing basement with 1no. Lightwell to the front and 1no. Lightwell to the south elevation, associated with new patio area in the rear garden and replacement of ground floor windows; - Construction of loft conversion with 2no. dormer windows and 2no. roof windows on northwest and southeast elevations, associated with removal of 1no. chimney to the front slope and change of roof top on garage;- Conversion of side conservatory to a bricked extension;- Enlargement of vehicular entrance to garage and blocking up of a side door,- blocking up of a rear window and door of the garage; - Installation of solar slates on front and rear roof slopes of both main house and garage;- Installation of 2nos. ASHP and 1no. AC unit on south elevation;- Proposed material railings and gates on the front boundary;
Documents
Plans, drawings, consultee responses and the officer's report
7 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Southwark granted permission on 12 August 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 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 0.3 miles
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1 Alleyn Road London Southwark SE21 8AB
Enlargement of existing basement with 1no. Lightwell to the front and 1no. Lightwell to the south elevation, associated with new patio area in the rear garden and replacement of ground floor windows; - Construction of loft conversion with 2no. dormer windows and 2no. roof windows on northwest and southeast elevations, associated with removal of 1no. chimney to the front slope and change of roof top on garage;- Conversion of side conservatory to a bricked extension;- Enlargement of vehicular entrance to garage and blocking up of a side door,- blocking up of a rear window and door of the garage; - Installation of solar slates on front and rear roof slopes of both main house and garage;- Installation of 2nos. ASHP and 1no. AC unit on south elevation;- Proposed material railings and gates on the front boundary;
Granted Householder Extension Loft or dormer +1 30 docsSmall domestic -
1 Alleyn Road London Southwark SE21 8AB
Variation of Conditions 1 (Approved Plans) for planning permission ref.23/AP/3087. The proposed changes are: 1. Change in front landscaping (design attached) 2. Removing the lean-to conservatory and reducing the size of the basement whilst moving the lightwell further away from the neighbouring property.
Granted Amendments Extension 20 docs -
12 Alleyn Crescent London Southwark SE21 8BN
Specie and Location of Tree:A Whitebeam tree approximately 9m in height, situated in the small front garden (see plan). The tree is very dense and wide spreading.Description of Dulwich Estates Approved Works:Crown thin by 25% including the removal of dead wood and necessary shortening of long lateral branches particularly towards the house. The height and basic shape should be retained.
Granted Trees 6 docs -
1 Alleyn Crescent London Southwark SE21 8BN
Works to a tree with a TPO: Tree ID 8189 A Box Elder tree approximately 8m in height, situated on the left-hand side of the rear garden, overhanging the pavement on Alleyn Road. There is dead wood present in the upper crown and excessive growth over the pavement. Dead wood to be removed and overhang to the pavement and streetlamp reduced back by up to 2m ensuring a natural final shape. All pruning should be targeted at suitable growth points
Granted Trees 4 docs -
9 Loggetts Alleyn Park London Southwark SE21 8AS
T1 - Ash - Remove including stump due to historic subsidence. T2 - Eucalyptus - Remove due to low amenity value, poor health and proximity to building. Shrubs - Remove
Refused Trees 7 docs -
7 Alleyn Crescent London Southwark SE21 8BN
Construction of a two-storey side extension; replacement of front boundary timber wall to brick; inclusion of bin store and installation of a ground floor side facing window
Granted Householder Extension Windows or glazing 27 docsDomestic
Other condition discharge and variation applications
In Southwark
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26/AP/1686 Granted
Aylesbury Estate Land Bounded By Albany Road Portland Street Bagshot Street Alvey Street East Street And Dawes Street London SE17
Non-material amendment to planning permission ref: 14/AP/3844 dated 05.08.2015 (and variation of associated legal agreement) for the '...demolition of existing buildings and phased redevelopment to provide a mixed use development comprising a number of buildings ranging between 2 to 20 storeys in height (12.45m - 68.85m AOD) with capacity for up to 2,745 residential units (Class C3), up to 2,500sqm of employment use (Class B1); up to 500sqm of retail space (Class A1); 3,100 to 4,750sqm of community use; medical centre and early years facility (Class D1); in addition to up to 3,000sqm flexible retail use (Class A1/A3/A4) or workspace use (Class B1); new landscaping; parks, public realm; energy centre; gas pressure reduction station; up to 1,098 car parking spaces; cycle parking; landscaping and associated works.' Amendments sought: -Trigger points of Conditions 5 (Surface water stratgy), 7 (Drainage details), 10 (Site contamination), 12 (Advanced infrastructure and enabling works) amended to exclude demolition works. -Variation of associated S106 (Clause 7.1) to alter demolition sequencing (early demolition of 1-240 Wendover sought)
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26/AP/1633 Granted
49-53 Surrey Row London SE1
Deed of Variation to amend the Section 106 Agreement associated with planning permission ref: 98/AP/1754
-
26/AP/1592 Granted
Aylesbury Estate Land Bounded By Albany Road Portland Street Bagshot Street Alvey Street East Street And Dawes Street London SE17
Deed of variation to amend Schedule 3, paragraph 16 (Car Club Scheme) in relation to Plot 18 / Development Phase 2A of the section 106 agreement attached to planning permission ref. 14/AP/3844 date 05.08.2015 for 'Demolition of existing buildings and redevelopment to provide a mixed use development comprising a number of buildings ranging between 2 to 20 storeys in height (9.45m - 72.2m AOD), providing 830 residential dwellings (Class C3); flexible community use, early years facility (Class D1) or gym (Class D2); public and private open space; formation of new accesses and alterations to existing accesses; energy centre; gas pressure reduction station; associated car and cycle parking and associated works.'
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26/AP/2658 Awaiting decision
Camberwell Police Station 9 Wren Road London Southwark SE5 8QP
Details of Condition 2 'Method Statement and Schedule of Works' required by listed building consent ref. 26/AP/1608 'Listed building consent for proposed internal and external alterations to facilitate the conversion of the former Camberwell Police Station to create a mixed-use building comprising of Class E or Sui Generis at ground and lower ground floors and short stay, bed and breakfast accommodation (Use Class C1) at first and second floors.'
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26/AP/2097 Decided
221 New Kent Road London Southwark SE1 4AD
Details submitted to satisfy Schedule 5, Part 2, Clauses 2.1 (Affordable Workspace Strategy) of the Section 106 Agreement associated with planning permission ref: 24/AP/2385 (as amended by 25/AP/1970) which gave consent for ' Variation of Condition 1 (Approved Plans) for planning permission ref no. 23/AP/1991 'Minor material amendment by variation of Conditions 1 (Approved Plans), 36 (Approved Building Height), 37 (Approved Quantum of Work/Maker Space) and 38 (Approved Number of Hotel Rooms) of planning permission 19/AP/5389, the development description for which was: "Demolition of existing warehouse building and erection of a part 3, part 6 and part 9 storey building providing 200 hotel rooms (Class C1) and 1,354sqm of work/maker space at ground floor (and mezzanine) (Flexible Class B1) as well as ancillary cafe/restaurant and bar facilities (Class A3/A4), along with associated landscaping, servicing yard and access works." The amendments sought by this application are: - Façade alterations - Alteration to accessible room sizes - Alterations to position of room sizes and layouts - Alterations to the plan across all levels - Alterations to the roof with relocation of biodiverse roof and provision of railings above the mezzanine for safe maintenance'