Council planning record

Erection of single storey rear extension (following demolition of existing), & lowering of existing vault floors.

58 Northdown Street, London, N1 9BS

FINAL DECISIONReference: P2026/1619/FULLondon Borough of Islington

Last published check: 30 Sept 2026, 07:19. Check the council record for more recent changes.

Application location

58 Northdown Street, London, N1 9BS

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Application summary

Status
FINAL DECISION
Application type
Full Planning (Householder)
Received
22 Jun 2026
Validated
22 Jun 2026
Determination deadline
16 Aug 2026
Local authority
London Borough of Islington

Application overview

Erection of single storey rear extension (following demolition of existing), & lowering of existing vault floors.

Proposal details

Reference
P2026/1619/FUL
Alternative references
PP-14787091
Ward
Caledonian
Agent
Mr Oliver Han
UPRN
5300068337

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Documents 16 of 16

DocumentPublishedAction
Application Form - Without Personal DataApplication Form - Redacted22 Jun 2026View
Community Infrastructure Levy - Completed FormApplication Supporting Documents22 Jun 2026View
Design and Access StatementApplication Supporting Documents22 Jun 2026View
Fire Safety StatementApplication Supporting Documents22 Jun 2026View
Sustainable Design and Construction StatementApplication Supporting Documents22 Jun 2026View
Site Location PlanLocation Plan22 Jun 2026View
Existing Floor PlansDrawings - Existing22 Jun 2026View
Existing ElevationsDrawings - Existing22 Jun 2026View
Existing Side ElevationsDrawings - Existing22 Jun 2026View
Existing and Proposed SectionsDrawings - Proposed22 Jun 2026View
Structural Method StatementApplication Supporting Documents22 Jun 2026View
Proposed Floor Plans Rev ADrawings - Proposed17 Aug 2026View
Proposed Elevations Rev ADrawings - Proposed17 Aug 2026View
Proposed Side Elevations Rev ADrawings - Proposed17 Aug 2026View
delegated reportDelegated Report27 Aug 2026View
dn finalDecision Notice Final27 Aug 2026View

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Application timeline

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  1. Application date

    Published milestoneCouncil source
  2. Received date

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  3. Registration date

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  4. Valid date

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  5. Press notice start date

    Published milestoneCouncil source
  6. Site notice date

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  7. Consultation expiry date

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  8. Statutory expiry date

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  9. Publicity end date

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  10. Site notice end date

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  11. Decision due date

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  12. Dispatch date

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  13. Decision date

    Published milestoneCouncil source
  14. Extension date

    Past published deadline

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    Council source

Decision & conditions

Approve with conditions
dn final
Planning conditions
  1. 3 YEAR CONSENT PERIOD: The development hereby permitted shall be begun not later than the expiration of three years from the date of this permission. REASON: To comply with the provisions of Section 91(1)(a) of the Town and Country Planning Act 1990 as amended by the Planning and Compulsory Purchase Act 2004 (Chapter 5).
  2. DRAWING AND DOCUMENT NUMBERS: The development hereby approved shall be carried out in accordance with the following approved plans: PL010 Location Plan; PL100 Rev A Proposed Floor Plans; PL200 Rev A Proposed Elevations; PL201 Rev A Proposed Side Elevations; PL300 Existing & Proposed Sections; 073-NS Design and Access Statement [Tiny Tiger Design; March 2026]; Structural Method Statement [Urban Consulting Engineers; April 2026]; 073-58-NR Sustainable Design and Construction Statement [Tiny Tiger Design; March 2026] REASON: To comply with Section 70(1)(a) of the Town and Country Act 1990 as amended and the Reason for Grant and also for the avoidance of doubt and in the interest of proper planning.
  3. MATERIALS (COMPLIANCE): The development shall be constructed in accordance with the schedule of materials noted on the approved plans and within the Design and Access Statement [March 2026]. The development shall be carried out strictly in accordance with the details so approved and shall be maintained as such thereafter. REASON: In the interest of securing sustainable development and to ensure that the resulting appearance and construction of the development is of a high standard.
  4. FLAT ROOF NOT USED AS AMENITY SPACE (COMPLIANCE): The single storey rear extension flat roof area shown on plan no. PL100 Rev A hereby approved shall not be used as an amenity or sitting out space of any kind whatsoever and shall not be used other than for essential maintenance or repair, or escape in case of emergency. REASON: To prevent the undue overlooking of neighbouring habitable room windows.
  5. BIODIVERSITY-BASED EXTENSIVE GREEN ROOF (COMPLIANCE): The green roof hereby approved (as shown on approved plan PL100 Rev A) shall be: (a) biodiversity based with a varied extensive substrate base of an average depth of 80-150mm (where possible); (b) laid out in accordance with approved plan PL100 Rev A; and (c) planted/seeded with a mix of species within the first planting season following the practical completion of the building works (the seed mix shall be focused on wildflower planting, and shall contain no more than a maximum of 25% sedum). The biodiversity green roof shall not be used as an amenity or sitting out space of any kind whatsoever and shall only be used in the case of essential maintenance or repair, or escape in case of emergency. The biodiversity green roof shall be maintained as such thereafter in perpetuity. REASON: To ensure the development provides the maximum possible provision towards creation of habitats and valuable areas for biodiversity, and to reduce surface water runoff from the site.
  6. BASEMENT DEVELOPMENT MONITORING (COMPLIANCE): The Chartered Structural Engineer (Urban Consulting Engineers) certifying the Structural Method Statement (dated April 2026) submitted to support the hereby approved development shall be retained (or a replacement person holding equivalent qualifications shall be appointed and retained) for the duration of the development to monitor the safety of the construction stages and to ensure that the long term structural stability of the existing buildings and other nearby buildings are safeguarded, in line with the supporting Structural Method Statement. At no time shall any construction work take place unless a qualified engineer is appointed and retained in accordance with this condition. REASON: To ensure that the construction work carried out is in accordance with the submitted Structural Method Statement for the duration of the construction and to comply with the Islington Basement Development SPD (2016).
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