18 Lyndhurst Avenue Twickenham TW2 6BY

This site has had 3 applications since 2026.

• PA26/3344 Awaiting decision

  18 Lyndhurst Avenue Twickenham TW2 6BY

  roof alterations with extended rear domer

  Submitted 29 Sep 2026 Householder
• PA26/3100 Awaiting decision

  18 Lyndhurst Avenue Twickenham TW2 6BY

  hip to gable loft conversion with rear dormer and three roof lights to the front elevation and single storey side and rear extension

  Submitted 7 Sep 2026 Prior approval

1. 27 Aug 2026

   Received by Richmond upon Thames

2. 2 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 22 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.

• 18 Lyndhurst Avenue Twickenham TW2 6BY

  PA26/3344 Submitted 29 Sep 2026 50 yards away

  84% historically approved · decision due ~26 Nov

  roof alterations with extended rear domer

  Awaiting decision Householder Roofing 24 docs
  Domestic

• 18 Lyndhurst Avenue Twickenham TW2 6BY

  PA26/3100 Submitted 7 Sep 2026 50 yards away

  86% historically approved · decision due ~2 Nov

  hip to gable loft conversion with rear dormer and three roof lights to the front elevation and single storey side and rear extension

  Awaiting decision Prior approval Extension Loft or dormer 23 docs
  Small domestic

• 30 And 32 Lyndhurst Avenue Twickenham Richmond Upon Thames TW2 6BY

  05/3481/HOT Submitted 21 Nov 2005 50 yards away

  Proposed Hip To Gable Loft Conversions With Rear Dormer To Both Properties; First Floor Side Extension To No.32; Single Storey Rear Extension To No.32 And Conservatory Extension To No.30 (Joint Application).

  Refused Householder Extension Loft or dormer 5 docs
  Small domestic

• 30 Lyndhurst Avenue Twickenham Richmond Upon Thames TW2 6BY

  05/2782/HOT Submitted 16 Sep 2005 50 yards away

  Proposed Gable Roof Extension With Rear Dormer And Single Storey Rear Extension.

  Withdrawn Householder Extension Loft or dormer 6 docs
  Small domestic

• 32 Lyndhurst Avenue Twickenham Richmond Upon Thames TW2 6BY

  05/2781/HOT Submitted 16 Sep 2005 50 yards away

  Proposed Two Storey Side Extension, New Gable Roof Extension With Rear Dormer And Single Storey Rear Extension.

  Withdrawn Householder Extension Loft or dormer 7 docs
  Small domestic

• 29 Waverley Avenue Twickenham Richmond Upon Thames TW2 6DQ

  05/2476/HOT Submitted 15 Aug 2005 100 yards away

  Proposal to demolish existing garage and WC and replace with two storey side extension. Demolish existing rear conservatory and replace with a single storey rear addition.

  Refused Householder Extension Demolition 5 docs
  Small 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