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
- 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.
-
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.
-
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.
Trade members open them 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 500 metres
-
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 -
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 -
5 Loggetts Alleyn Park London Southwark SE21 8AS
T1 Bay - Crown reduction - To reduce the overall height by up to 1.5 metres and to trim and shape the remaining canopy to create a more compact and balanced form. Reason for work - general maintenance. T2 Cypress - Rear garden tree in severe decline: To carefully section fell leaving a stump at approximately 0.5 metres from ground level.
Granted Trees 9 docs -
5 Loggetts Alleyn Park London Southwark SE21 8AS
T1. Bay tree. 3 metres in height. Fell to ground level and poison. Tree is growing rapidly with very close proximately to the house wall. Tree is situated very close to a manhole. Situated in the rear garden. A replacement tree is to be planted in a convenient location of the rear garden and below are the three alternative species for consideration: Euonymus europaeus Red Cascade (Spindle Tree variety with arching habit and rich autumn colour) Amelanchier arborea Robin Hill (Serviceberry) Acer Griseum (Paper Barked Maple)
Granted Trees 8 docs
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26/AP/1984 Granted
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Details of condition 7 'Delivery and servicing management plan' required by planning permission ref no. 23/AP/3557 (dated 4th April 2024) 'Variation of Condition 1 (Approved Plans) pursuant to planning permission 22/AP/1802 for 'Approval of Reserved Matters (pursuant to Outline planning permission 20/AP/3744) for the erection of a new canopy related to a future northern entrance to Surrey Quays Station fronting onto Deal Porters Way and the change of use of land adjacent to 181 Lower Road to operational railway land with the erection of a new single storey building containing back of house facilities to enable the development of step-free access and stairs to platform level (this application is to be read in conjunction with Prior Approval Application 23/AP/3594). The amendments include the following: Entrance canopy redesign, Back Of House layout changes, Back Of House external changes and Landscape amendments'. The wording of condition 7 was amended via s96a application (25/AP/2953) dated 10/11/2025