121 GRIERSON ROAD, LONDON, SE23 1NT

1. 17 Sep 2026

   Received by Lewisham

2. 23 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 12 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Lewisham took a median of 55 days over the applications it decided in the last year.

This application is with Lewisham for determination, against a statutory target of eight weeks. Over the last year Lewisham's median decision took 55 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Lewisham's portal will say. Our guide explains the common types.

• 24 BALLINA STREET, LONDON, SE23 1DR

  DC/20/115606 Submitted 6 Feb 2020 50 yards away

  Construction of a single storey infill to the rear side return and a new larger window opening in the rear elevation of the ground floor rear extension at 24 Ballina Street, SE23.

  Granted Householder Extension Windows or glazing 14 docs
  Small domestic

• 24 BALLINA STREET, LONDON, SE23 1DR

  DC/19/115000 Submitted 11 Dec 2019 50 yards away

  Construction of a single storey infill to the rear side return and a new larger window opening in the rear elevation of the ground floor rear extension at 24 Ballina Street, SE23.

  Refused Householder Extension Windows or glazing 14 docs
  Small domestic

• GROUND FLOOR FLAT, 1 BALLINA STREET, LONDON, SE23 1DR

  DC/19/114673 Submitted 15 Nov 2019 50 yards away

  The construction of a single storey rear and side extension at GROUND FLOOR FLAT, 1 BALLINA STREET, SE23, together with and alteration to the rear and side elevation of the original outrigger and raising a decking area.

  Granted Full applications Extension 6 docs
  Small domestic

• 1 BALLINA STREET, LONDON, SE23 1DR

  DC/19/110780 Submitted 3 Feb 2019 50 yards away

  The construction of a rear roof extension at 1 Ballina Street, SE23

  Granted Full applications Extension 11 docs

• 176 GRIERSON ROAD, LONDON, SE23 1NU

  DC/25/139318 Submitted 7 Mar 2025 50 yards away

  Conversion of a garage into an office including new doors at the front /rear, window and one rooflight at the rear, changes to the patio, facade alterations and all associated works at 176 Grierson Road

  Granted Householder Loft or dormer Windows or glazing 11 docs
  Domestic

• 186 GRIERSON ROAD, LONDON, SE23 1NU

  DC/24/138124 Submitted 13 Nov 2024 50 yards away

  Application for a Lawful Development Certificate (Existing) submitted under Section (191) of the Town & Country Planning Act 1990 (as amended) for the enlargement and continued use of the garage as ancillary accommodation at 186 Grierson Road, SE23.

  Granted Lawful development 6 docs