30 First Avenue Mortlake London SW14 8SR

1. 2 Sep 2026

   Received by Richmond upon Thames

2. 4 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 8 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 30 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Richmond upon Thames took a median of 46 days over the applications it decided in the last year.

This application is with Richmond upon Thames for determination, against a statutory target of eight weeks. Over the last year Richmond upon Thames decided prior approval applications in a median of 43 days. More in our guide to how long planning decisions take.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 26 First Avenue Mortlake London SW14 8SR

  23/0613/HOT Submitted 7 Mar 2023 50 yards away

  Retention of AC unit within acoustic enclosure

  Withdrawn Householder 12 docs
  Domestic

• 36 First Avenue Barnes Richmond Upon Thames SW14 8SR

  04/3820/HOT Submitted 30 Nov 2004 50 yards away

  Ground floor rear extension

  Granted Householder Extension 11 docs
  Domestic

• 49 Second Avenue Mortlake London SW14 8QF

  PA26/1359 Submitted 20 Apr 2026 50 yards away

  Rear dormer pod roof extension above existing two-storey outrigger

  Granted Householder Extension Loft or dormer 17 docs
  Domestic

• 25 First Avenue Barnes Richmond Upon Thames SW14 8SP

  05/1125/HOT Submitted 15 Apr 2005 50 yards away

  Proposed loft extension with rear dormer and roof terrace over existing first floor extension

  Granted Householder Extension Loft or dormer 6 docs
  Domestic

• 43 Second Avenue Mortlake Richmond Upon Thames SW14 8QF

  05/3713/HOT Submitted 12 Dec 2005 50 yards away

  Loft Conversion.

  Granted Householder Loft or dormer
  Domestic

• 43 Second Avenue Mortlake Richmond Upon Thames SW14 8QF

  05/3923/HOT Submitted 16 Dec 2005 50 yards away

  Loft extension with rear mansard, sky lights to front roof slope and ridge to be raised to match neighbouring properties.

  Granted Householder Extension Loft or dormer 19 docs
  Domestic

• PA26/2683 Granted

  3, Pauline Crescent, Twickenham, TW2 6JD

  Single storey rear extension

  Received 31 Jul, published by the council 13 Aug 2026 Prior approval
• PA26/3420 Awaiting decision

  129 Lower Mortlake Road Richmond TW9 2LP

  Conversion of existing loftspace into habitable rooms with dormers to rear over main house and offshot

  Received 8 Oct, published by the council 12 Oct 2026 Prior approval
• PA26/3160 Granted

  2A Station Road Hampton Wick Middlesex KT1 4HG

  Repair of the front dormer cheeks, involving the replacement of the existing hanging slates with traditional lead.

  Received 11 Sep, published by the council 24 Sep 2026 Prior approval
• PA26/3423 Awaiting decision

  95 Selkirk Road Twickenham TW2 6PT

  Construction of single storey rear extension, 4.3m in depth, 3m in height and 3m in height to eaves.

  Received 6 Oct, published by the council 12 Oct 2026 Prior approval
• PA26/3389 Awaiting decision

  39, Shacklegate Lane, Teddington, TW11 8SF

  The existing 4.55 m deep ground-floor rear extension is to be extended by 1.45 m. The existing pitched roof will also be extended, with the overall height remaining unchanged (6m overall depth, 2.41m eaves height, 3.78m overall height).

  Received 5 Oct, published by the council 6 Oct 2026 Prior approval