12 SOMERTREES AVENUE, LONDON, SE12 0BX

1. 4 Jun 2019

   Received by Lewisham

2. 7 Jun 2019

   Validated

   Checked as complete and ready for consideration.

3. 27 Jun 2019

   Decision issued: Granted

4. 3 Aug 2026

   Added to PlanIndex

Lewisham granted permission on 27 June 2019, 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.

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.

• 7 SOMERTREES AVENUE, LONDON, SE12 0BU

  DC/26/145110 Submitted 18 Aug 2026 100 yards away

  87% historically approved · decision due ~27 Oct

  Construction of hip-to-gable and rear dormer extension, together with the installation of front r...

  Decided Extension Loft or dormer

• 2 COOPER'S LANE, LONDON, SE12 0QA

  DC/19/111232 Submitted 28 Feb 2019 100 yards away

  Prior approval for the construction of a single-storey rear extension at 2 Coopers Lane SE12, the extension will extend 5.25 metres beyond the rear wall of the original dwelling house, the maximum height will be 3.8 metres and the height at the eaves of the proposed extension will be 3.0 metres.

  Decided Prior approval Extension 5 docs
  Small domestic

• 2 COOPER'S LANE, LONDON, SE12 0QA

  DC/25/141081 Submitted 11 Aug 2025 100 yards away

  Construction of a single storey extension to the rear with the formation of a terrace area over incorporating a glazed balustrade, enlargement of the existing rear dormer window in the rear roof slope, together with a single-storey granny bungalow in the rear garden and all associated works at 2 Coopers Lane, SE12.

  Refused Full applications Extension Loft or dormer +1 11 docs
  Small domestic

• 2 COOPER'S LANE, LONDON, SE12 0QA

  DC/26/144123 Submitted 25 May 2026 100 yards away

  83% historically approved · decision due ~20 Jul

  Construction of a single storey extension to the rear, enlargement of the existing rear dormer window in the rear roof slope, together with a single-storey granny bungalow in the rear garden and all associated works at 2 Cooper's Lane, SE12.

  Status unknown Full applications Extension Loft or dormer +1
  Small domestic

• 11 COOPER'S LANE, LONDON, SE12 0QA

  DC/21/120142 Submitted 26 Jan 2021 100 yards away

  The construction of a roof extension to the side and rear roof slopes at 11 Coopers Lane SE12, together with the installation of a rooflight in the front roof slope.

  Granted Householder Extension Loft or dormer 5 docs
  Domestic

• 78 SOMERTREES AVENUE, LONDON, SE12 0BY

  DC/25/140467 Submitted 16 Jun 2025 150 yards away

  Construction of a single storey extension to the side of 78 Somertrees Avenue SE12.

  Granted Householder Extension 8 docs
  Small domestic

• DC/26/145177 Awaiting decision

  162 CHUDLEIGH ROAD, LONDON, SE4 1EE

  Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a hip-to-gable extension and rear dormer at 162 Chudleigh Road, SE4 1EE.

  Received 25 Aug, published by the council 28 Aug 2026 Lawful development
• DC/26/145149 Awaiting decision

  288 GROVE STREET, LONDON, SE8 3RF

  Application for a Lawful Development Certificate (Existing) submitted under Section 191 of the Town & Country Planning Act 1990 (as amended) to establish that the lawful use of 288 Grove Street, SE8, as a self-contained residential dwelling (Use Class C3).

  Received 24 Aug, published by the council 8 Sep 2026 Lawful development
• DC/26/143983 Granted

  1 SANDROCK ROAD, LONDON, SE13 7TS

  Application for a Lawful Development Certificate existing submitted under Section 191 of the Town & Country Planning Act 1990 (as amended) to establish that the lawful use of 1 Sandrock Road, SE13, is as a small house in multiple occupation for no more than six residents.

  Received 12 May, published by the council 25 Jul 2026 Lawful development
• DC/26/144507 Granted

  46 WOOLSTONE ROAD, LONDON, SE23 2SG

  Application for a Lawful Development Certificate (Proposed) submitted under Section 192 of the Town and Country Planning Act 1990 (as amended) and Class A, Part 1, Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the demolition of the existing conservatory, the construction of a single-storey rear extension, and the replacement of rear and side elevation windows and doors at 46 Woolstone Road, SE23.

  Received 23 Jun, published by the council 25 Jul 2026 Lawful development
• DC/26/144512 Granted

  2 HAFTON ROAD, LONDON, SE6 1LP

  Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a hip-to-gable and rear roof extension with the insertion of two front rooflights at 2 Hafton Road, SE6

  Received 24 Jun, published by the council 25 Jul 2026 Lawful development