99 Windermere Road, Streatham, London, Merton, SW16 5HE

1. 27 Apr 2026

   Received by Merton

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 22 June 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Merton took a median of 47 days over the applications it decided in the last year.

The published feed does not show a live status for this application; the register on Merton's own portal holds the authoritative version.

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.

• 232 Stanford Road Streatham London SW16 4QN

  25/P2792 Submitted 25 Sep 2025 49m away

  REPLACEMENT OF FRONT BOUNDARY MESH FENCE WITH FRONT BOUNDARY BRICK WALL

  Granted Full applications 6 docs
  Small domestic

• 230 Stanford Road Streatham London SW16 4QW

  26/P0078 Submitted 12 Jan 2026 78m away

  APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED DEMOLITION OF THE EXISTING OUTBUILDING AND THE CONSTRUCTION OF A NEW OUTBUILDING IN THE REAR GARDEN.

  Refused Outline Demolition 12 docs

• 231 Stanford Road Streatham London SW16 4QH

  25/P3322 Submitted 17 Nov 2025 95m away

  APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 6M, MAXIMUM HEIGHT OF 3M AND EAVES HEIGHT OF 2.85M.

  Granted Householder Extension 5 docs
  Small domestic

• 84 Longthornton Road Streatham London SW16 5QG

  25/P3701 Submitted 10 Dec 2025 138m away

  APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A REAR DORMER ROOF EXTENSION AND 3 FRONT ROOFLIGHTS

  Decided Outline Extension Loft or dormer 6 docs

• 84 Longthornton Road Streatham London SW16 5QG

  25/P3822 Submitted 23 Dec 2025 138m away

  72% historically approved · decision due ~24 Feb

  APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 6M, MAXIMUM HEIGHT OF 3.61M AND EAVES HEIGHT OF 2.2M.

  Awaiting decision Householder Extension
  Small domestic

• 113 Longthornton Road Streatham London SW16 5QF

  25/P2473 Submitted 22 Aug 2025 180m away

  APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A REAR DORMER ROOF EXTENSION AND INSTALLATION OF TWO ROOFLIGHTS TO THE FRONT ROOFSLOPE.

  Decided Outline Extension Loft or dormer 17 docs

• 26/LDCP/1009 Status unknown

  140 Whatley Avenue, Raynes Park, Merton, SW20 9NU

  APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A REAR DORMER ROOF EXTENSION.

  21 Jun 2026 Lawful development
• 26/LDCP/1214 Status unknown

  24 Berrylands, Raynes Park, Merton, SW20 9HD

  APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A REAR ROOF DORMER EXTENSION WITH A JULIET BALCONY AND THE INSTALLATION OF 3 X ROOFLIGHTS TO THE EXISTING FRONT SLOPE.

  12 Jun 2026 Lawful development
• 26/LDCP/1170 Status unknown

  5 Ebenezer Walk, Streatham, London, Merton, SW16 5SZ

  APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION

  9 Jun 2026 Lawful development
• 26/LDCP/1155 Status unknown

  34 Frimley Gardens, Mitcham, Surrey, Merton, CR4 3AQ

  APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A REAR DORMER ROOF EXTENSION AND 3 FRONT ROOFLIGHTS WITH JULIET BALCONY

  5 Jun 2026 Lawful development
• 26/LDCP/1146 Status unknown

  32 The Drive, Morden, Surrey, Merton, SM4 6DQ

  APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A HIP TO GABLE, REAR DORMER ROOF EXTENSION

  4 Jun 2026 Lawful development