18, Rivas Property Co. Limited, Briset Street, London

1. 18 Jun 2026

   Received by Islington

2. 24 Jul 2026

   Added to PlanIndex

3. 29 Sep 2026

   Status changed to VALIDATED

4. Decision

   Awaiting decision

   Decision expected by 13 August 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Islington took a median of 53 days over the applications it decided in the last year.

This application is with Islington for determination, against a statutory target of eight weeks. Over the last year Islington decided lawful development applications in a median of 60 days. More in our guide to how long planning decisions take.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 48 Britton Street, London, EC1M 5UL

  P2022/3172/FUL Submitted 30 Aug 2022 50 yards away

  Proposed change of use of basement and ground floor from commercial (Class E office) to residential (C3) to amalgamate with the existing residential flat (C3) on 1st and 2nd floor and associated external alterations, including replacement glazing to ground floor front elevation, addition of ground floor rear window, replacement of rear glazing at first floor, replacement courtyard rooflights and associated alterations (Listed building application P2023/3189/LBC also submitted)

  Granted Full applications Loft or dormer Windows or glazing 24 docs

• 48 Britton Street, London, EC1M 5UL

  P2022/3189/LBC Submitted 30 Aug 2022 50 yards away

  Proposed change of use of basement and ground floor from commercial (Class E office) to residential (C3) to amalgamate with the existing residential flat (C3) on 1st and 2nd floor and associated external alterations, including replacement glazing to ground floor front elevation, addition of ground floor rear window, replacement of rear glazing at first floor, replacement courtyard rooflights, associated alterations and internal alterations (full application P2023/3172/FUL also submitted)

  Granted Heritage and listed buildings Loft or dormer Windows or glazing 2 docs

• 32 Britton Street, London, EC1M 5UH

  P2026/1521/LBC Submitted 10 Jun 2026 50 yards away

  Listed Building Consent for repairing and repainting sash windows, replacing the

  Granted Heritage and listed buildings Windows or glazing

• 29 Britton Street, London, EC1M 5UH

  P2026/0502/FUL Submitted 20 Mar 2026 50 yards away

  Change of use from live/work unit to residential only

  Refused Full applications

• 53 Britton Street, London, EC1M 5UQ

  P2024/3215/FUL Submitted 31 Oct 2024 50 yards away

  Retrospective application for the retention of new roof covering system and safety balustrade at roof level.

  Granted Full applications Roofing 16 docs

• 32 Britton Street, London, EC1M 5NQ

  P2026/1129/LBC Submitted 30 Apr 2026 50 yards away

  Alterations to the existing rear extension involving the excavation of the lower ground floor level and demolition/reconstruction of internal floors to create level access with the main house; formation of new window opening and replacement of existing glazed link and lightwells with new rooflight/lantern; formation of terrace above with associated privacy screen; interior renovation of the lower ground floor (main house) including the removal of the contemporary walls and fittings and all associated works (Full Planning ref: P2026/1128/FUL also submitted)

  Granted Heritage and listed buildings Extension Loft or dormer +2 1 doc

• P2026/2548/COL Status unknown

  Flat 5, St Peter's Street Mews, London, N1 8JF

  Certificate of Lawful (Existing) Use for the use of the ground floor property kn

  Received 28 Sep, published by the council 29 Sep 2026 Lawful development
• P2026/2522/COL Status unknown

  Flat 6, 1-2 St Peter's Street Mews, London, N1 8JF

  Certificate of Lawful (Existing) Use for the use of Flat 6 as a self-contained r

  Received 28 Sep, published by the council 29 Sep 2026 Lawful development
• P2026/2549/COL Status unknown

  Flat A, 42 Dartmouth Park Hill, London, NW5 1HN

  Certificate of Lawfulness (Existing) for the conversion of Flat A from a 1-bedro

  Received 25 Sep, published by the council 28 Sep 2026 Lawful development
• P2026/2266/COL Granted

  32 Gillespie Road, London, N5 1LN

  Erection of rear dormer roof extensions to main and outrigger roofs, installatio

  Received 27 Aug, published by the council 2 Sep 2026 Lawful development
• P2026/2525/COL Status unknown

  10A Rock Street, London, N4 2DN

  Certificate of Lawfulness (Proposed) for use of the site as a 5-person small-sca

  Received 24 Sep, published by the council 25 Sep 2026 Lawful development