3 Colne Avenue Rickmansworth Hertfordshire WD3 8BS

1. 2 Aug 2023

   Received by Three Rivers

2. 8 Sep 2023

   Decision issued: approved

3. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 8 September 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.

An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.

• 33 Colne Avenue Rickmansworth Hertfordshire WD3 8BS

  20/0094/TPO Submitted 16 Jan 2020 50 yards away

  TPO 052 Copper Beech - works

  Granted Trees 2 docs

• 34 Colne Avenue Rickmansworth WD3 8BS

  21/1077/FUL Submitted 27 Apr 2021 50 yards away

  Single storey rear extension and alterations to raised patio

  Granted Full applications Extension 8 docs
  Small domestic

• 1A Grove Road Mill End Rickmansworth Hertfordshire WD3 8EB

  26/0033/FUL Submitted 12 Jan 2026 100 yards away

  Extensions to existing ground floor and extensions to create first and second floor accommodation, including rear dormer window, to provide 1no. self contained residential dwelling.

  Granted Full applications Extension Loft or dormer +1 50 docs
  Domestic

• 10 Grove Road Mill End Rickmansworth Hertfordshire WD3 8ED

  26/1256/CLPD Submitted 5 Aug 2026 100 yards away

  Certificate of Lawfulness Proposed Development: Construction of outbuilding

  Granted

• 25 Colne Avenue Rickmansworth WD3 8BS

  21/0359/FUL Submitted 17 Feb 2021 100 yards away

  Single storey side and rear extension

  Granted Full applications Extension 9 docs
  Small domestic

• 25 Colne Avenue Rickmansworth WD3 8BS

  21/1547/RSP Submitted 18 Jun 2021 100 yards away

  Single storey side and rear extension

  Granted Amendments Extension 9 docs
  Small domestic

• 26/1422/OUT Awaiting decision

  156 The Drive Rickmansworth Hertfordshire WD3 4DH

  Outline application: Construction of 2no. detached two-storey, self build dwellings, to the rear of No.156 The Drive with associated access, parking and landscaping works (Appearance and Scale reserved matters)

  Received 7 Sep, published by the council 18 Sep 2026 Outline
• 26/1077/PDE Withdrawn

  36 Girton Way Croxley Green Rickmansworth Hertfordshire WD3 3QN

  Prior Approval: Single storey rear extension (depth 5.75 metres, maximum height 3.45 metres, maximum eaves height 3.45 metres)

  Received 3 Jul, published by the council 24 Jul 2026 Outline
• 26/0930/PDE Granted

  116 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA

  Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 2.81 metres, maximum eaves height 2.81 metres)

  Received 8 Jun, published by the council 24 Jul 2026 Outline
• 26/1242/PDA Awaiting decision

  Moonshine Farm Bragmans Lane Sarratt HP3 0PL

  Prior Approval: Change of use of existing agricultural barn to one self contained residential dwelling with associated parking

  Received 3 Aug, published by the council 26 Aug 2026 Outline
• 26/0694/PDT Granted

  The Bungalow Batchworth Heath Farm Batchworth Heath Rickmansworth Hertfordshire WD3 1QB

  Prior approval: Enlargement of the dwellinghouse by the construction of one additional storey (2.75m height) and raising of ridge to result in an overall height of 6.58m (Class AA)

  Received 28 Apr, published by the council 24 Jul 2026 Outline