119 Byron Avenue, New Malden, Surrey, Merton, KT3 6EZ

1. 23 Mar 2026

   Received by Merton

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 18 May 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 174 Claremont Avenue New Malden KT3 6QP

  25/P3243/INVALID Submitted 6 Nov 2025 139m away

  ERECTION OF A PART SINGLE, PART TWO STOREY REAR EXTENSION

  Granted Full applications Extension 9 docs

• 174 Claremont Avenue New Malden KT3 6QP

  25/P3243 Submitted 6 Nov 2025 139m away

  ERECTION OF A PART SINGLE, PART TWO STOREY REAR EXTENSION

  Granted Full applications Extension 9 docs

• 174 Claremont Avenue New Malden KT3 6QP

  25/P2998 Submitted 9 Oct 2025 139m away

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

  Decided Outline Extension Loft or dormer 4 docs

• 174 Claremont Avenue New Malden KT3 6QP

  25/P2625 Submitted 11 Sep 2025 139m 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 3M.

  Granted Householder Extension 5 docs
  Small domestic

• 69 Byron Avenue New Malden KT3 6EY

  25/P2782 Submitted 24 Sep 2025 142m away

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

  Decided Outline Extension 8 docs
  Small domestic

• 174 Claremont Avenue, New Malden, Surrey, Merton, KT3 6QP

  26/FULL/0681 Submitted 15 Apr 2026 148m away

  93% historically approved · decision due ~10 Jun

  CHANGE OF USE FROM DWELLINGHOUSE (CLASS C3) TO A 6 PERSON HMO (CLASS C4)

  Status unknown Full applications
  Domestic

• 26/HOUSE/1185 Status unknown

  15 Caroline Road, Wimbledon, Merton, SW19 3QL

  ERECTION OF A SINGLE STOREY SIDE INFILL EXTENSION. EXTENSION OF THE EXISTING OUTRIGGER ROOF TO THE ORIGINAL REAR WALL, SET BACK 200MM FROM THE EAVES.

  12 Jun 2026 Householder
• 26/HOUSE/1180 Status unknown

  20 Coombe Gardens, Raynes Park, Merton, SW20 0QU

  APPLICATION FOR THE ERECTION OF A TWO STOREY REAR EXTENSION TO DWELLING HOUSE AND THE REMOVAL OF CHIMNEY.

  11 Jun 2026 Householder
• 26/HOUSE/1158 Status unknown

  7 Glebe Path, Mitcham, Surrey, Merton, CR4 3AD

  CONVERSION OF GARAGE INTO HABITABLE ROOM, ERECTION OF A SINGLE STOREY REAR/SIDE EXTENSION, EXTENSION OF FIRST FLOOR SIDE EXTENSION AND ERECTION OF HIP TO GABLE & REAR DORMER

  5 Jun 2026 Householder
• 26/HOUSE/1131 Status unknown

  6 Cartmel Gardens, Morden, Surrey, Merton, SM4 6QN

  RETROSPECTIVE PERMISSION FOR A SINGLE STOREY REAR EXTENSION

  5 Jun 2026 Householder
• 26/HOUSE/1074 Status unknown

  19 Deepdale, Wimbledon, Merton, SW19 5EZ

  FIRST FLOOR EXTENSION, GARAGE CONVERSION TO HABITABLE SPACE, INCLUDING SOLAR PANELS, AND AIR SOURCE HEAT PUMP.

  4 Jun 2026 Householder