44 Williamson Way Mill End Rickmansworth Hertfordshire WD3 8GL

1. 14 Apr 2025

   Received by Three Rivers

2. 24 Apr 2025

   Validated

   Checked as complete and ready for consideration.

3. 11 Jun 2025

   Decision issued: approved

4. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 11 June 2025, 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 36 Williamson Way Mill End Hertfordshire WD3 8GL

  22/1019/FUL Submitted 26 May 2022 50 yards away

  Demolition of existing conservatory and construction of single storey rear extension

  Granted Full applications Extension Demolition 11 docs
  Small domestic

• 20 Williamson Way Mill End WD3 8GL

  21/0697/FUL Submitted 18 Mar 2021 50 yards away

  Single storey rear extension and garage conversion into habitable accomodation

  Granted Full applications Extension 7 docs
  Small domestic

• 36 Williamson Way Mill End Hertfordshire WD3 8GL

  22/1018/FUL Submitted 26 May 2022 50 yards away

  Garage conversion into habitable accommodation and alterations to fenestration

  Granted Full applications Windows or glazing 11 docs

• 64 Williamson Way Mill End Rickmansworth Hertfordshire WD3 8GL

  22/0464/PDE Submitted 11 Mar 2022 50 yards away

  Prior Approval: Single storey rear extension (depth 3.60 metres, maximum height 3.90 metres, maximum eaves height 2.90 metres)

  Granted Outline Extension 6 docs
  Small domestic

• 64 Williamson Way Mill End Hertfordshire WD3 8GL

  22/0583/CLPD Submitted 29 Mar 2022 50 yards away

  Certificate of Lawfulness Proposed Development: Single storey rear extension and loft conversion including Dutch hip to gable extension, rear dormer and front rooflights

  Granted Lawful development Extension Loft or dormer 9 docs
  Small domestic

• 24 Williamson Way Mill End Rickmansworth Hertfordshire WD3 8GL

  25/0834/CLPD Submitted 13 May 2025 50 yards away

  Certificate of Lawfulness Proposed Development: Loft conversion including side dormer window and front and rear window

  Granted Lawful development Loft or dormer Windows or glazing 12 docs

• 26/1350/FUL Granted

  26 Ebury Road Rickmansworth Hertfordshire WD3 1BN

  Conversion of ground floor storage space to habitable accommodation; alterations to the fenestration

  Received 21 Aug, published by the council 1 Sep 2026 Full applications
• 26/1664/FUL Awaiting decision

  3 Pembroke Road Moor Park Northwood Hertfordshire HA6 2HP

  Variation of condition 2 (plans) pursuant to planning permission 24/1622/FUL to allow alterations to front entrance door and garage door

  Received 20 Oct, published by the council 22 Oct 2026 Full applications
• 26/1663/FUL Awaiting decision

  161 New Road Croxley Green Rickmansworth Hertfordshire WD3 3HB

  Construction of first floor rear extension and front porch; internal alterations and alterations to fenestration including new windows to side elevation; alterations to external materials including insulated render and timber cladding

  Received 20 Oct, published by the council 23 Oct 2026 Full applications
• 26/1654/FUL Awaiting decision

  47 Carpenders Avenue Carpenders Park Watford Hertfordshire WD19 5BS

  Re-location of entrance and construction of front porch

  Received 16 Oct, published by the council 21 Oct 2026 Full applications
• 26/1653/FUL Awaiting decision

  11 Hillcroft Crescent Oxhey Hall Watford Hertfordshire WD19 4PB

  Demolition of existing shed and construction of new outbuilding

  Received 16 Oct, published by the council 22 Oct 2026 Full applications