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Planning application

Cypress Tree House Dulwich Common London Southwark SE21 7EU

Granted Southwark 26/AP/1418 S.73 Vary/Remove Conds/Minor Alterations

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

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

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

Proposal

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

As published by the council, reference 26/AP/1418

Application record

Reference
26/AP/1418
Type
S.73 Vary/Remove Conds/Minor Alterations
Status
Granted
Decision
Granted As published: Variation Minor Material Changes Granted
Received
18 May 2026
Validated
28 May 2026
Decided
5 Aug 2026
Ward
Dulwich Village
Parish
Dulwich
Decision by
Delegated Panel - Simple
Postcode
SE21 7EU

Site history

Applications at this address on the Southwark register

This site has had 2 applications since 2022: 2 approved, 0 refused.

  • 22/AP/4067 Granted

    Cypress Tree House Dulwich Common London Southwark SE21 7EU

    5 DAY NOTIFICATION. s.154 Exemption Highways Act Group of mixed trees/shrubs (G1) - cut back and lift over a public highway. A conifer (T1), mimosa (T2), prunus (T3) and shrubs to reduce lateral spread by 1m from 3m to 1m and lift to 2.5m above pavement, pruning to suitable points and maintaining natural aesthetic. All are approx 4m in height other than the conifer which is 10m in height. Work undertaken as all trees/shrubs are growing too low over the pavement and will cause an issue if left unchecked. The trees will tolerate the pruning as specified above as the pruning is very minor.

    Decided 2 Dec 2022 Trees

Timeline

Dates from the published record

  1. 18 May 2026

    Received by Southwark

  2. 28 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. 5 Aug 2026

    Decision issued: Variation Minor Material Changes Granted

Who's behind it

Company information only, from the register and Companies House

Tom Dunn Architects Ltd Agent, an architecture practice registered in London

Active · incorporated 2020 · London

7 applications on PlanIndex · across 5 councils

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Documents

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

28 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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What this grant of permission means

Southwark granted permission on 5 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 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 0.3 miles

  • Cypress Tree House Dulwich Common London Southwark SE21 7EU

    22/AP/4067 Submitted 29 Nov 2022 50 yards away

    5 DAY NOTIFICATION. s.154 Exemption Highways Act Group of mixed trees/shrubs (G1) - cut back and lift over a public highway. A conifer (T1), mimosa (T2), prunus (T3) and shrubs to reduce lateral spread by 1m from 3m to 1m and lift to 2.5m above pavement, pruning to suitable points and maintaining natural aesthetic. All are approx 4m in height other than the conifer which is 10m in height. Work undertaken as all trees/shrubs are growing too low over the pavement and will cause an issue if left unchecked. The trees will tolerate the pruning as specified above as the pruning is very minor.

    Granted Trees 7 docs
  • Parkside Dulwich Common London Southwark SE21 7EU

    22/AP/3525 Submitted 11 Oct 2022 50 yards away

    Construction of single storey rear and side extensions.

    Granted Householder Extension 20 docs
    Small domestic
  • 18 Frank Dixon Way London Southwark SE21 7ET

    21/AP/3241 Submitted 13 Sep 2021 100 yards away

    95% historically approved · decision due ~9 Nov

    Construction of a single storey garden studio with AC unit to the rear of the garden.

    Awaiting decision Householder 15 docs
    Small domestic
  • Parkside Dulwich Common London Southwark SE21 7EU

    26/AP/2949 Submitted 6 Oct 2026 100 yards away

    95% historically approved · decision due ~2 Dec

    Certificate of lawfulness (proposed) to install a new Air Source Heat Pump (ASHP) to service the existing semi-detached dwelling and this ASHP is to be located on the rear flat roof at the back of the property.

    Awaiting decision New dwelling
    Domestic
  • 24 Frank Dixon Way London Southwark SE21 7ET

    22/AP/0772 Submitted 1 Mar 2022 150 yards away

    Details of condition 4 (Details of the materials to be used) required by planning permission 20/AP/2397 Demolition of existing single storey garage and first floor dormer to the front of the property and construction of a two storey side extension. Construction of a single storey rear extension with vertical timber privacy louvers and feature glazing to the side elevation, rooflights and terrace at first floor level with 1.8m privacy screen. Installation of an air source heat pump within the proposed side extension. Installation of solar panels to the south facing roof and associated alterations to the existing front, rear and side fenestrationZinc roof cladding - VM Zinc pigmento vert Reconstituted Stone Window Surrounds - Cranbourne Bath YellowFacing Brick - MatchIt sample ref 3131/1

    Granted Conditions Extension Loft or dormer +2 7 docs
    Small domestic
  • 24 Frank Dixon Way London Southwark SE21 7ET

    20/AP/2397 Submitted 24 Aug 2020 150 yards away

    Demolition of existing single storey garage and first floor dormer to the front of the property and construction of a two storey side extension. Construction of a single storey rear extension with vertical timber privacy louvers and feature glazing to the side elevation, rooflights and terrace at first floor level with 1.8m privacy screen. Installation of an air source heat pump within the proposed side extension. Installation of solar panels to the south facing roof and associated alterations to the existing front, rear and side fenestration

    Granted Householder Extension Loft or dormer +2 17 docs
    Small domestic

In Southwark

  • 26/AP/2557 Awaiting decision

    Flat 5 70 Renforth Street London Southwark SE16 7JZ

    Variation of Condition 1 of full planning permission 24/AP/1633 dated 08/08/2024 for Listed Building Consent for repairs to property to pre-subsidence condition situated within the Grade II listed building. II listed building known as No. 70 Renforth Street At Flat 5 70 Renforth Street. Removal: Within section 1 specifically relating to the repair proposal and in line with a joint site visit with the heritage representative we have attached details for a more sympathetic, less intrusive repair to the building which is suffering from ground movement damage. The repair proposal uses a Helifix designed repair process to be less intrusive and impactful to the visual appearance.

    Received 28 Aug, published by the council 10 Sep 2026 Amendments
  • 26/AP/2021 Granted

    Unit 1A Vanguard Court Rear Of 36 To 38 Peckham Road London Southwark SE5 8QT

    Variation of Conditions 1 (Approved plans) pursuant to planning permission 25/AP/2903 (Construction of a first-floor roof extension to provide 5 additional light industrial (Class E(g)(iii)) studio/workshop units, together with associated access via external staircase and a green roof area.) Amendment sought: To amend the approved roof covering material to standing seam metal roofing, addition of 8No. rooflights, and revision to the material of the approved external staircase.

    Received 10 Jul, published by the council 25 Jul 2026 Amendments
  • 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.

    Received 12 Mar, published by the council 28 Jul 2026 Amendments
  • 26/AP/1775 Granted

    52 Ulverscroft Road London Southwark SE22 9HG

    Variation of Condition 4 (Plant Noise) pursuant to planning permission 24/AP/2818 (Construction of a single rear/side infill extension and a 1st floor extension to the outrigger. Loft conversion including roof ridge raise by 300mm, rear roof dormer and roof outrigger dormer. Installation of 2no. rooflights to the front roof slope. Replacement of all windows and external doors, PV panels to the front roof slope and rear outrigger roof and installation of air source heat pump in rear garden). Variation seeks to amend: To remove the requirement for plant sound output level to 10dB below background.

    Received 18 Jun, published by the council 25 Jul 2026 Amendments
  • 26/AP/1610 Granted

    170 Lynton Road London Southwark SE1 5RB

    Variation of Condition 1 (approved plans) of planning permission 25/AP/3741 (Construction of ground floor side infill extension; 6 rooflights to pitched roof and facade alterations.) Amendment sought: To allow the party wall to be astride the boundary.

    Received 5 Jun, published by the council 25 Jul 2026 Amendments