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Planning application

1 Alleyn Road London Southwark SE21 8AB

Granted Southwark 25/AP/3358 S.73 Vary/Remove Conds/Minor Alterations

Works: Extension

Relates to 23/AP/3087

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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.

As published by the council, reference 25/AP/3358

Application record

Reference
25/AP/3358
Type
S.73 Vary/Remove Conds/Minor Alterations
Status
Granted
Decision
Variation Minor Material Changes Granted
Received
18 Nov 2025
Validated
10 Dec 2025
Decided
29 Jan 2026
Ward
Dulwich Wood
Parish
Dulwich
Decision by
Delegated Panel - Complex
Postcode
SE21 8AB

Site history

Applications at this address on the Southwark register

This site has had 3 applications since 2023: 2 approved, 0 refused.

  • 26/AP/1793 Awaiting decision

    1 Alleyn Road London Southwark SE21 8AB

    Details to discharge Condition 4 'Landscaping Scheme' full planning application 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; Condition Number(s): 4 Conditions(s) Removal: Specifically on Point 4 of the attached it?s asking for this to be approved in advance. I?ve attached our landscaping plans. The specific planting schedule will be done closer to the time. In regards to tree protections we will protect the 5 lime trees along with their roots by having hoarding covering the existing grass area surrounding the trees. n/a

    Submitted 19 Jun 2026
  • 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. 18 Nov 2025

    Received by Southwark

  2. 10 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 29 Jan 2026

    Decision issued: Variation Minor Material Changes Granted

  4. 10 Aug 2026

    Added to PlanIndex

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

20 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 29 January 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 amendment applications

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. 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
  • 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
  • 1 Alleyn Crescent London Southwark SE21 8BN

    26/AP/2350 Submitted 5 Aug 2026 25m away

    95% historically approved · decision due ~30 Sep

    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

    Awaiting decision Trees
  • 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/0728 Granted

    Townsend House Strathnairn Street London Southwark SE1 5BU

    Variation of condition 6 of planning permission ref no. 22/AP/3683 ( Demolition of existing garages and construction of four storey and five storey buildings providing 18 residential apartments (two x 1-bedroom units, nine x 2-bedroom units, seven x 3-bedroom units) with associated estate-wide hard and soft landscaping, cycle parking and refuse storage and the replacement of the existing substation). To split Condition 6 (Arboricultural Method Statement) in two parts of 6a and 6b.

    12 Mar 2026 Amendments
  • 26/AP/1418 Granted

    Cypress Tree House Dulwich Common London Southwark SE21 7EU

    Variation of Condition 1 (approved plans) pursuant to planning permission ref: 25/AP/1310 dated 30.07.2025 for 'Construction of a single storey extension in the rear garden, installation of solar panels to the existing outrigger roof, new dormer windows to the rear and side roof light to the main roof, replacement of existing windows and door, alterations to some windows and doors, and replacement of the existing lean to shed roof.' Amendment sought: 1. Addition of a roof light to main roof flat roof 2. Repositioning of dormers

    18 May 2026 Amendments
  • 26/AP/1549 Granted

    10 Gomm Road London Southwark SE16 2TX

    Variation of Condition 1 (approved plans) of planning permission 25/AP/3121 (Construction for a side and rear extension, alterations to elevations, detached garden office.) Variation sought: Change to party wall extension and alteration to roof finish and rooflights

    29 May 2026 Amendments
  • 26/AP/2162 Awaiting decision

    25 De Laune Street London Southwark SE17 3UU

    Variation of Conditions pursuant to planning permission 25/AP/3455 (Demolition of the existing rear addition and the construction of a single-storey side and rear extension and an outrigger dormer extension; the replacement of the windows to the side and rear of the dwelling with timber framed double glazed units; addition of rooflight to existing mansard; and the addition of a Juliet balcony to the rear elevation, to replace the existing window.) Sought: To reflect the existing rear sash window location against the proposed rear extension height.

    22 Jul 2026 Amendments
  • 26/AP/1020 Granted

    5-7 Morecambe Street London Southwark SE17 1DX

    Minor material amendments to planning permission ref: 24/AP/0486 granted on 20/02/2025 for: (Sub-division of existing residential unit to form 2 no. 2-bedroom self-contained dwellings and self-contained existing single storey artist workshop at the side. External alterations to the ground floor front elevation of proposed dwelling 2 to replace existing doors and windows, subdivision of the existing front garden space with associated bins and bike storage). Amendment sought: -Proposed variation to condition 1 (approved plans) which includes: - Cycle and Bin Storage location changed in the front garden of Unit 2 - Air Source Heat Pump relocated from the rear of the building to the front garden of Unit 2 - Soft landscaping in the front garden of Unit 2 is reduced. - Cycle storage location changed in the front garden of Unit 1 - Meter housing is proposed along the shared side front garden boundary of both Unit 1 and 2 and. - Removal of condition 3 (hard and soft landscaping).

    9 Apr 2026 Amendments