21 Trowlock Avenue Teddington TW11 9QT

1. 14 Mar 2023

   Received by Richmond upon Thames

2. 17 Mar 2023

   Validated

   Checked as complete and ready for consideration.

3. 10 May 2023

   Decision issued: Granted Permission

4. 15 Sep 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 10 May 2023, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 25, Trowlock Avenue, Teddington, TW11 9QT

  PA25/3089 Submitted 8 Sep 2025 50 yards away

  Proposed front porch. Proposed single storey side extension and open pergola. Proposed single storey rear extensions. Proposed alterations to existing balcony. Proposed roof alterations and dormers. Proposed alterations to external materials and fenestration.

  Refused Householder Extension Loft or dormer +2 27 docs
  Small domestic

• 26 Trowlock Avenue Teddington Richmond Upon Thames TW11 9QT

  05/T0296/TPO Submitted 4 May 2005 50 yards away

  T1 - Fir - Remove.

  Granted Trees

• 25, Melbourne Road, Teddington, TW11 9QX

  PA25/3747 Submitted 20 Oct 2025 100 yards away

  Tree no 39 and tree no 43 both trees are horse chestnuts The amount to be removed from each tree will be such that there will be a 2 metre crown reduction in width and a 2 metre reduction in height, leaving a canopy spread of 3 metres and height of 5 metres.

  Granted Trees 3 docs

• 6 Trowlock Avenue Teddington TW11 9QT

  PA25/3960 Submitted 3 Nov 2025 100 yards away

  REAR GARDEN T1 False Acacia (Robinia pseudoacacia) Crown reduce by approximately 2-3m back to most recent previous reduction points to tidy and contain. Sever Ivy at the base up to 0.5m to kill it off. Final height = 10m and final spread = 6m.

  Granted Trees 3 docs

• 43-53 & 54-64 Bucklands Road, Teddington, TW11 9QS

  PA25/2969 Submitted 28 Aug 2025 100 yards away

  Replacement glazing and cladding

  Granted Full applications Windows or glazing 15 docs

• 9 Melbourne Road Teddington TW11 9QX

  PA26/0308 Submitted 29 Jan 2026 100 yards away

  76% historically approved · decision due ~12 Oct

  Detached two-storey house with rooms in the roof space, dormer windows, rear Juliette balcony, following demolition of the existing house.

  Awaiting decision Full applications Loft or dormer Demolition +1 42 docs

• PA26/2430 Granted

  71, Ground Floor Flat, Queens Road, Twickenham, TW1 4EZ

  Use of 'ground floor unit' as a 3 x bed C3 flat.

  Received 10 Jul, published by the council 26 Jul 2026 Lawful development
• PA26/2247 Granted

  56, HOSPITAL BRIDGE ROAD, TWICKENHAM, RICHMOND UPON THAMES, TW2 5UJ

  Certificate of lawful development (existing) for hip-to-gable and rear dormer extensions.

  Received 26 Jun, published by the council 26 Jul 2026 Lawful development
• PA26/3082 Awaiting decision

  First Floor Jubilee Court 63A High Street Hampton Wick Kingston Upon Thames KT1 4DG

  Existing use of the premises as an office falling within Use Class E(g)(i).

  Received 4 Sep, published by the council 8 Sep 2026 Lawful development
• PA26/3108 Awaiting decision

  Dial House, Riverside, Twickenham, TW1 3DT

  Use of the building as one single family dwellinghouse

  Received 4 Sep, published by the council 15 Sep 2026 Lawful development
• PA26/3023 Awaiting decision

  73 Winchester Road Twickenham TW1 1LE

  Installed Air Source Heat Pump (Retrospective).

  Received 1 Sep, published by the council 12 Sep 2026 Lawful development