17 Mayfair Avenue Worcester Park KT4 7SH

1. 25 Aug 2026

   Received by Kingston upon Thames

2. 9 Oct 2026

   Validated

   Checked as complete and ready for consideration.

3. 22 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 4 December 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Kingston upon Thames took a median of 63 days over the applications it decided in the last year.

This application is with Kingston upon Thames for determination, against a statutory target of eight weeks. Over the last year Kingston upon Thames decided householder applications in a median of 72 days. More in our guide to how long planning decisions take.

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.

• 4 Mayfair Avenue Worcester Park KT4 7SL

  23/01611/HOU Submitted 19 Jun 2023 50 yards away

  Erection of hip to gable and rear dormer roof extensions. Installation of 3 front roof lights.

  Granted Householder Extension Loft or dormer 13 docs
  Domestic

• 4 Mayfair Avenue Worcester Park KT4 7SL

  22/00257/CPU Submitted 27 Jan 2022 50 yards away

  Erection of hip to gable and rear dormer roof extension with installation of 3no front rooflights to facilitate loft conversion

  Granted Lawful development Extension Loft or dormer 13 docs

• 37 Mayfair Avenue Worcester Park KT4 7SH

  22/01873/HOU Submitted 7 Jun 2022 50 yards away

  Erection of rear dormer roof extension, enlargement of hipped roof with installation of 2no front rooflights to facilitate loft conversion

  Granted Householder Extension Loft or dormer 10 docs
  Domestic

• 39 Mayfair Avenue Worcester Park KT4 7SH

  21/00085/HOU Submitted 13 Jan 2021 50 yards away

  Erection of single storey rear extension and two storey side extension

  Refused Householder Extension 8 docs
  Small domestic

• 39 Mayfair Avenue Worcester Park KT4 7SH

  21/01079/HOU Submitted 8 Apr 2021 50 yards away

  Erection of single storey front and rear extensions and two storey side extension

  Granted Householder Extension 8 docs
  Small domestic

• 39 Mayfair Avenue Worcester Park KT4 7SH

  21/00083/CPU Submitted 13 Jan 2021 50 yards away

  Erection of hip to gable and rear dormer roof extensions with installation of 3no front rooflights to facilitate loft conversion

  Granted Lawful development Extension Loft or dormer 10 docs

• 26/02160/HOU Awaiting decision

  33 Cardinal Crescent New Malden KT3 3EF

  Removal of shed and erection of single storey outbuilding to rear

  Received 9 Oct, published by the council 22 Oct 2026 Householder
• 26/01662/HOU Granted

  30 The Ridings Surbiton KT5 8HQ

  Demolition of front porch and erection of single storey front porch extension. Changes to ground floor front and first floor rear fenestrations.

  Received 29 Jul, published by the council 1 Sep 2026 Householder
• 26/01696/HOU Granted

  1 Wolsey Drive Kingston Upon Thames KT2 5DP

  Erection of single storey side and rear extension.

  Received 31 Jul, published by the council 3 Sep 2026 Householder
• 26/01711/HOU Granted

  230 Canbury Park Road Kingston Upon Thames KT2 6LF

  Demolition of an existing rear extension and erection of a single storey rear extension.

  Received 4 Aug, published by the council 1 Sep 2026 Householder
• 26/02154/HOU Awaiting decision

  36 Norbiton Avenue Kingston Upon Thames KT1 3QR

  Erection of single storey rear/side extension

  Received 8 Oct, published by the council 21 Oct 2026 Householder