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Planning application

51 Alleyn Road London Southwark SE21 8AD

Awaiting decision Southwark 26/AP/0717 Variation: Non-Material Changes

Works: Loft or dormer Roofing Demolition Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Relates to 22/AP/3632

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Non-material amendment of planning permission 24/AP/0675 (Variation of Condition 1 'Approved Plans' of planning permission 22/AP/3632 dated 31/03/2023 for 'Demolition of an existing two-storey dwellinghouse and the construction of a 3-storey with basement dwellinghouse.' Amendments include: changes to roof to create single roof form with continuous eaves and ridge height; changes to positioning of PV panels and positioning and form of dormer windows; changes to footprint and massing of building, including setting flanks back from front elevation; repositioning and reducing footprint of basement; addition of canopy to rear elevation; replacement of front boundary wall and gates; repositioning of air source heat pump within rear garden; and changes to external detailing, windows and doors, front canopy, bin store and internal layout.) to replace the lead canopy at the front of the property with a corten steel canopy, and replacing the glazed pergola at the rear with an aluminium louvred pergola.

As published by the council, reference 26/AP/0717

Application record

Reference
26/AP/0717
Type
Variation: Non-Material Changes
Status
Under consideration/assessment
Received
12 Mar 2026
Validated
16 Apr 2026
Ward
Dulwich Wood
Parish
Dulwich
Postcode
SE21 8AD

Site history

Applications at this address on the Southwark register

This site has had 6 applications since 2021: 3 approved, 0 refused.

  • 25/AP/2816 Awaiting decision

    51 Alleyn Road London Southwark SE21 8AD

    T 04 -Apple remove tree C1 Tree - Fell this low quality category. Permission previously granted by southwark council dated 14/04/2021 (now expired) - LBS reg. No: 21/AP/0607

    Submitted 30 Sep 2025 Trees
  • 24/AP/0419 Granted

    51 Alleyn Road London Southwark SE21 8AD

    T14 Wild Cherry: Remove tree. Dead. T15 Common Ash: Remove tree. Poor quality tree adjacent to building. Replacement planting as per previous consents and Dulwich Estate licence.

    Decided 4 Apr 2024 Trees
  • 23/AP/2051 Withdrawn

    51 Alleyn Road London Southwark SE21 8AD

    Variation of Condition 1 'Approved Plans' of planning permission ref. 22/AP/3632 dated 31.03.2023 for the 'Demolition of an existing two-storey dwellinghouse and the construction of a 3-storey with basement dwellinghouse'. Variations sought: The eaves on the northern side of the proposed dwelling would be raised to the same level as the rest of the roof, the rear roof slope would be realigned as a single slope, the single rooflight on the rear roof slope would be removed and one of the rear dormers would be repositioned.

    Decided 19 Oct 2023 Amendments
  • 22/AP/3632 Granted

    51 Alleyn Road London Southwark SE21 8AD

    Demolition of an existing two-storey dwellinghouse and the construction of a 3-storey with basement dwellinghouse.

    Decided 31 Mar 2023 Full applications
  • 21/AP/0701 Granted

    51 Alleyn Road London Southwark SE21 8AD

    Demolition of the existing detached garage and construction of rear and side extensions, along with a new front entrance porch and new dormers.

    Decided 16 Jun 2021 Householder

Timeline

Dates from the published record

  1. 12 Mar 2026

    Received by Southwark

  2. 16 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 11 June 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Southwark took a median of 52 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 22/AP/3632 Granted

    51 Alleyn Road London Southwark SE21 8AD

    Demolition of an existing two-storey dwellinghouse and the construction of a 3-storey with basement dwellinghouse.

    Decided 31 Mar 2023 Full applications

Who's behind it

Company information only, from the register and Companies House

Knox Bhavan Architects LLP Agent, an architecture practice registered in London

Active · incorporated 2023 · London

15 applications on PlanIndex · across 5 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

Plans, drawings, consultee responses and the officer's report

31 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.

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Open the documents

What happens while it is decided

This application is with Southwark for determination, against a statutory target of eight weeks. Over the last year Southwark decided condition discharge and variation applications in a median of 49 days. More in our guide to how long planning decisions take.

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

  • 51 Alleyn Road London Southwark SE21 8AD

    24/AP/0419 Submitted 15 Feb 2024 50 yards away

    T14 Wild Cherry: Remove tree. Dead. T15 Common Ash: Remove tree. Poor quality tree adjacent to building. Replacement planting as per previous consents and Dulwich Estate licence.

    Granted Trees 6 docs

  • 51 Alleyn Road London Southwark SE21 8AD

    25/AP/2816 Submitted 30 Sep 2025 50 yards away

    99% historically approved · decision due ~25 Nov

    T 04 -Apple remove tree C1 Tree - Fell this low quality category. Permission previously granted by southwark council dated 14/04/2021 (now expired) - LBS reg. No: 21/AP/0607

    Awaiting decision Trees 5 docs

  • 51 Alleyn Road London Southwark SE21 8AD

    21/AP/0701 Submitted 26 Feb 2021 50 yards away

    Demolition of the existing detached garage and construction of rear and side extensions, along with a new front entrance porch and new dormers.

    Granted Householder Extension Loft or dormer +1 24 docs
    Small domestic

  • 51 Alleyn Road London Southwark SE21 8AD

    23/AP/2051 Submitted 24 Jul 2023 50 yards away

    Variation of Condition 1 'Approved Plans' of planning permission ref. 22/AP/3632 dated 31.03.2023 for the 'Demolition of an existing two-storey dwellinghouse and the construction of a 3-storey with basement dwellinghouse'. Variations sought: The eaves on the northern side of the proposed dwelling would be raised to the same level as the rest of the roof, the rear roof slope would be realigned as a single slope, the single rooflight on the rear roof slope would be removed and one of the rear dormers would be repositioned.

    Withdrawn Amendments Loft or dormer Demolition 22 docs
    Domestic

  • 51 Alleyn Road London Southwark SE21 8AD

    22/AP/3632 Submitted 20 Oct 2022 50 yards away

    Demolition of an existing two-storey dwellinghouse and the construction of a 3-storey with basement dwellinghouse.

    Granted Full applications Demolition 47 docs
    Domestic

  • 59 Alleyn Road London Southwark SE21 8AD

    26/AP/2201 Submitted 24 Jul 2026 50 yards away

    Lawson Cypress tree approximatly 9.6 metres in height situated in the front garden. Fell to ground level and stump grind. Conditional replacement. Magnolia kobus (Cobus Magnolia). Tree to be procured in line with BS3936 [1992] standard (8-10cm stem circumference). The new tree is to be planted during October 2026 and March 2027 planting season.

    Granted Trees 6 docs

In Southwark

  • 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)

    Received 10 Jun, published by the council 25 Jul 2026 Conditions
  • 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

    Received 5 Jun, published by the council 25 Jul 2026 Conditions
  • 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.'

    Received 4 Jun, published by the council 25 Jul 2026 Conditions
  • 26/AP/2250 Granted

    Rich Industrial Estate Crimscott Street And Willow Walk London Southwark SE1 5TE

    Deed of Variation to amend the Section 106 Agreement associated with planning permission ref: 20/AP/2993, to amend the definition of Social Rented Housing to meet the requirements of the Rent Standard and deletion of Paragraph 5.3 in Schedule 3 to remove the service charge cap.

    Received 28 Jul, published by the council 9 Aug 2026 Conditions
  • 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.'

    Received 7 Sep, published by the council 10 Sep 2026 Conditions