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Planning application

1 Alleyn Road London Southwark SE21 8AB

Granted Southwark 26/AP/1793 Approval of Details

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.

    Decided 29 Jan 2026 Amendments
  • 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;

    Decided 13 Mar 2024 Householder

Timeline

Dates from the published record

  1. 19 Jun 2026

    Received by Southwark

  2. 22 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. 12 Aug 2026

    Decision issued: AOD - Granted

Cases linked to this one on the register

  • 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;

    Decided 13 Mar 2024 Householder

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 documents

What 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

    23/AP/3087 Submitted 3 Nov 2023 0m away

    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 docs
    Small domestic
  • 1 Alleyn Road London Southwark SE21 8AB

    25/AP/3358 Submitted 18 Nov 2025 0m away

    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

    22/AP/2472 Submitted 11 Jul 2022 22m away

    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

    26/AP/1143 Submitted 21 Apr 2026 37m away

    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 docs
    Domestic
  • 5 Loggetts Alleyn Park London Southwark SE21 8AS

    23/AP/2777 Submitted 2 Oct 2023 52m away

    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

    26/AP/0508 Submitted 19 Feb 2026 52m away

    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

In Southwark

  • 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.'

    4 Jun 2026 Conditions
  • 26/AP/1296 Granted

    Castle Service Station 100-114 Walworth Road London Southwark SE17

    Variation of legal agreement ref. 02/AP/1290, to modify Clause 12 of the S106 Agreement (to widen occupation of the property outside of term time to enable non-student occupancy for a maximum of 13 weeks).

    6 May 2026 Conditions
  • 26/AP/1611 Granted

    Coburg House 63-67 Newington Causeway London Southwark SE1 6LS

    Partial discharge of of condition 10 (London Underground Infrastructure) ' Demolition phase only' required by planning permission ref no. 24/AP/3621

    5 Jun 2026 Conditions
  • 26/AP/2131 Granted

    22-24 Southwark Bridge Road London Southwark SE1 9HB

    Details of condition 7 (Noise Monitoring Report) as required by planning permission ref: 25/AP/3515 dated 18/05/2026 for 'Partial demolition of 22 and 24 Southwark Bridge Road and redevelopment of site comprising the erection of an 18 storey building to accommodate a hotel use with associated amenity spaces (Class C1) with flexible cultural use (Sui Generis) at ground floor level, associated cycle parking, landscaping, access and servicing, plant and equipment and all other associated works'.

    20 Jul 2026 Conditions
  • 26/AP/1984 Granted

    Surrey Quays Railway Station Lower Road London Southwark SE16 2UE

    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

    8 Jul 2026 Conditions