25 Colne Avenue Rickmansworth WD3 8BS

This site has had 2 applications since 2021: 2 approved, 0 refused.

• 21/0359/FUL Granted

  25 Colne Avenue Rickmansworth WD3 8BS

  Single storey side and rear extension

  Decided 7 Apr 2021 Full applications

1. 18 Jun 2021

   Received by Three Rivers

2. 22 Jul 2021

   Decision issued: approved

3. 17 Sep 2026

   Added to PlanIndex

Three Rivers granted permission on 22 July 2021, 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 amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

• 25 Colne Avenue Rickmansworth WD3 8BS

  21/0359/FUL Submitted 17 Feb 2021 50 yards away

  Single storey side and rear extension

  Granted Full applications Extension 9 docs
  Small domestic

• 3 Colne Avenue Rickmansworth Hertfordshire WD3 8BS

  23/1296/PDE Submitted 2 Aug 2023 100 yards away

  Prior Approval: Single storey rear extension (depth 4.50 metres, maximum height 4 metres, maximum eaves height 3 metres)

  Granted Outline Extension 5 docs
  Small 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

• 34 Colne Avenue Rickmansworth WD3 8BS

  21/1077/FUL Submitted 27 Apr 2021 100 yards away

  Single storey rear extension and alterations to raised patio

  Granted Full applications Extension 8 docs
  Small domestic

• 38 Maxwell Close Mill End Rickmansworth Hertfordshire WD3 8BP

  23/1147/FUL Submitted 10 Jul 2023 150 yards away

  Demolition of existing conservatory and construction of single storey rear extension.

  Granted Full applications Extension Demolition 9 docs
  Small domestic

• 35 Maxwell Close Mill End Rickmansworth Hertfordshire WD3 8BP

  24/0675/CLPD Submitted 25 Apr 2024 150 yards away

  Certificate of Lawfulness Proposed Development: Construction of single storey rear infill extension.

  Withdrawn Lawful development Extension 6 docs
  Small domestic

• 26/1481/NMA Awaiting decision

  No. 3 - 6 Wolsey Business Park Tolpits Lane Watford Hertfordshire WD3 9BL

  Non Material Amendments to planning permission 24/1137/FUL to allow alterations to the landscaping and fencing

  Received 17 Sep, published by the council 18 Sep 2026 Amendments
• 26/1478/NMA Awaiting decision

  12 Raglan Gardens Oxhey Hall Watford Hertfordshire WD19 4LL

  Non-material amendment to planning permission 26/0793/FUL to allow a reduction in size to the approved first-floor side extension.

  Received 16 Sep, published by the council 17 Sep 2026 Amendments
• 26/1230/NMA Granted

  Beaufort Court Egg Farm Lane Kings Langley Hertfordshire WD4 8LR

  Non Material Amendments to planning permission 24/1751/RSP to allow separate work on the coach house and crop store (Condition 4)

  Received 31 Jul, published by the council 8 Aug 2026 Amendments
• 26/1353/NMA Awaiting decision

  Langleybury House And Film Center Langleybury Lane Langleybury Hertfordshire WD4 8RW

  Non Material Amendment to planning permission 22/1945/FUL to vary the wording of Condition 69 (Phasing)

  Received 21 Aug, published by the council 25 Aug 2026 Amendments
• 26/1153/NMA Granted

  44 Wolsey Road Moor Park Northwood Hertfordshire HA6 2EN

  Non Material Amendment to planning permission 25/0391/RSP to allow glass balustrades in place of metal railings to rear Juliet balconies.

  Received 16 Jul, published by the council 30 Jul 2026 Amendments