147, Lower Mortlake Road, Richmond, TW9 2LP

This site has had 2 applications since 2026: 2 approved, 0 refused.

• PA26/0616 Granted

  147, Lower Mortlake Road, Richmond, TW9 2LP

  Loft conversion with rear dormer window and roof extension over rear back addition.

  Decided 24 Mar 2026 Prior approval

1. 23 Feb 2026

   Received by Richmond upon Thames

2. 25 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 23 Mar 2026

   Decision issued: Granted Permission

4. 13 Aug 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 23 March 2026, 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.

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.

• 147, Lower Mortlake Road, Richmond, TW9 2LP

  PA26/0616 Submitted 23 Feb 2026 50 yards away

  Loft conversion with rear dormer window and roof extension over rear back addition.

  Granted Prior approval Extension Loft or dormer +1 8 docs

• 139 Lower Mortlake Road Richmond TW9 2LP

  19/3443/PS192 Submitted 12 Nov 2019 50 yards away

  Rear dormer roof extension to rear roof slope and roof to outrigger and 3no. rooflights to front elevation.

  Granted Prior approval Extension Loft or dormer 14 docs

• 139 Lower Mortlake Road Richmond TW9 2LP

  19/3442/HOT Submitted 12 Nov 2019 50 yards away

  Single-storey side/rear extension.

  Granted Householder Extension 19 docs
  Small domestic

• 32 Beaumont Avenue Richmond Richmond Upon Thames TW9 2HE

  06/0078/PS192 Submitted 11 Jan 2006 50 yards away

  Erection of dormer windows to rear roof slopes.

  Granted Prior approval Loft or dormer Windows or glazing 6 docs

• 32 Beaumont Avenue Richmond Richmond Upon Thames TW9 2HE

  06/0473/PS192 Submitted 21 Feb 2006 50 yards away

  Loft extension with rear dormer and front rooflights.

  Granted Prior approval Extension Loft or dormer 13 docs

• 129 Lower Mortlake Road Richmond TW9 2LP

  PA26/3420 Submitted 8 Oct 2026 50 yards away

  86% historically approved · decision due ~3 Dec

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

  Awaiting decision Prior approval Loft or dormer 6 docs

• PA26/2361 Refused

  11, Waterloo Place, Richmond, TW9 1EB

  Single storey rear extension to replace existing rear extension.

  Received 6 Jul, published by the council 26 Jul 2026 Householder
• PA26/2869 Refused

  60, Castelnau, London, SW13 9EX

  Improvements to the front elevation, replacement of the coach house, replacement of the rear extensions, first and second floor rear extension and new basement excavation.

  Received 18 Aug, published by the council 23 Aug 2026 Householder
• PA26/2821 Granted

  192A, Sheen Lane, London, SW14 8LF

  Alterations to the existing dwelling, including enlarging existing window and door openings, replacement windows and doors, new rooflight openings, replacement rooflights in existing openings, rendering the external brickwork, installation of an air source heat pump, air conditioning unit and photovoltaic panels, installation of woodburner flue, removal of the brick chimney stack at roof level and replacement of a brick garden wall with a timber screen.

  Received 13 Aug, published by the council 23 Aug 2026 Householder
• PA26/2256 Refused

  36A Cambridge Park Twickenham TW1 2JU

  Erection of a detached domestic garage to serve the existing dwelling, positioned toward the front/side of the plot and associated frontage boundary alterations including replacement wall/fence/hedging treatment.

  Received 29 Jun, published by the council 23 Aug 2026 Householder
• PA26/2671 Granted

  30, The Avenue, Twickenham, TW1 1RY

  Demolition of garage, ground floor rear extension, ground floor side extension, new conservation rooflights to main roof and removal of one window.

  Received 31 Jul, published by the council 6 Aug 2026 Householder