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Planning application

P2026/0169/FUL

5 Sebastian Street, London, EC1V 0HE

Granted Islington Full Planning (Householder)

Proposal

Replacement windows and doors. Replacement roof and installation of roof insulation increasing height. Installation of new windows and doors, gate, external staircase and timber screen to vault. Refurbishing rear terrace and installation of sliding doors. Alterations to rear courtyard steps and landscaping. Installation of air source heat pump.

As published by the council, reference P2026/0169/FUL

Timeline

Dates from the published record

  1. 22 Jan 2026

    Received by Islington

  2. 2 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 17 Jun 2026

    Decision issued: Approve with conditions

  4. 25 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • P2026/0170/LBC Granted

    5 Sebastian Street, London, EC1V 0HE

    Replacement windows and doors. Replacement roof and installation of roof insulation increasing height. Installation of new windows and doors, gate, external staircase and timber screen to vault. Refurbishing rear terrace and installation of sliding doors. Alterations to rear courtyard steps and landscaping. Installation of air source heat pump. Alterations to the internal layout by removing walls and introducing partitions. Infilling rear ground floor void. Installation of new services, including boiler, flue, drainage, pipes, radiators. Installation of new flooring and insulation, doors, bathrooms, kitchen, joinery, fireplaces and utility. Refurbish staircase.

    22 Jan 2026 0m away Heritage and listed buildings
  • P2026/1983/AOD Awaiting decision

    5, Sebastian Street, London, EC1V 0HE

    Approval of details pursuant to Condition Number 5 of planning permission P2026/0170/LBC dated 17/06/2026

    24 Jul 2026 6m away Conditions
  • P2025/1167/LBC Withdrawn

    7, Sebastian Street, London, EC1V 0HE

    Rear extension to the main house, new two storey rear garden building and internal alterations (Planning application P2025/1166/FUL also submitted)

    23 Apr 2025 10m away Heritage and listed buildings
  • P2025/1166/FUL Withdrawn

    7, Sebastian Street, London, EC1V 0HE

    Rear extension to the main house, new two storey rear garden building and internal alterations (Listed Building Consent P2025/1167/LBC also submitted)

    23 Apr 2025 10m away Householder
  • P2022/2868/LBC Granted

    11 Ashby Street, London, EC1V 0ED

    External repairs and internal refurbishment and reconfiguration.

    1 Aug 2022 62m away Heritage and listed buildings
  • P2026/0933/FUL Granted

    16 Ashby Street, London, EC1V 0ED

    Retention of the conversion of a second-floor rear room into a bathroom and installation of a bathroom extractor to the rear exterior wall. (P2026/0934/LBC also submitted).

    9 Apr 2026 68m away Householder

In Islington

  • P2026/1432/FUL Refused

    9 Alwyne Square, London, N1 2JX

    Insertion of 3 conservation-style rooflights in the existing front roof slope.

    3 Jun 2026 Householder
  • P2026/1963/FUL Awaiting decision

    15, Hugo Road, London, N19 5EU

    Erection of single storey side infill extension to lower ground floor.

    23 Jul 2026 Householder
  • P2026/1229/FUL Granted

    5 Gallia Road, London, N5 1LA

    Erection of a single-storey rear infill extension.

    8 May 2026 Householder
  • P2026/1950/FUL Withdrawn

    5 Canonbury Grove, London, N1 2HP

    Erection of an rear outbuilding

    22 Jul 2026 Householder
  • P2026/1955/FUL Awaiting decision

    4 Highbury Terrace, London, N5 1UP

    Erection of a single-storey rear extension; erection of an ancillary outbuilding within the rear garden; replacement of existing windows; refurbishment and upgrading of the existing roof incorporating the installation of photovoltaic solar panels; installation of an air source heat pump; and internal alterations to all floors, including associated reconfiguration of layouts and ancillary works. [Listed Building Consent P2026/1956/LBC also submitted].

    22 Jul 2026 Householder