171 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3ED

1. 14 May 2025

   Received by Three Rivers

2. 16 May 2025

   Validated

   Checked as complete and ready for consideration.

3. 10 Jul 2025

   Decision issued: approved

4. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 10 July 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 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.

• 169 Watford Road Croxley Green WD3 3ED

  19/2421/FUL Submitted 16 Dec 2019 50 yards away

  Two storey side extension, front porch and part single, part two storey rear extension

  Granted Full applications Extension 21 docs
  Small domestic

• 169 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3ED

  19/2387/PDE Submitted 11 Dec 2019 50 yards away

  Prior Approval: Single storey rear extension (depth 8 metres; maximum height of 3 metres and maximum eaves height 3 metres)

  Refused Outline Extension 9 docs
  Small domestic

• 167 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3ED

  25/1144/PDE Submitted 4 Jul 2025 50 yards away

  Prior Approval: Single storey rear extension (depth 8.00 metres, maximum height 3.52 metres, maximum eaves height 2.52 metres)

  Refused Outline Extension 10 docs
  Small domestic

• 167 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3ED

  25/1917/FUL Submitted 5 Nov 2025 50 yards away

  Construction of part-single, part-two storey rear extension, conversion of garage into habitable accommodation

  Granted Full applications Extension 15 docs

• 183 Watford Road Croxley Green WD3 3ED

  21/2866/FUL Submitted 17 Dec 2021 50 yards away

  Single storey rear extension to ground floor maisonette

  Granted Full applications Extension 15 docs
  Small domestic

• (Land To The Rear Of 189-191 Watford Road) Winton Approach Croxley Green Rickmansworth Hertfordshire WD3 3GN

  19/0413/DIS Submitted 4 Mar 2019 50 yards away

  Discharge of Condition 13 (Verification Report) pursuant to planning permission 17/1371/FUL

  Decided Conditions 4 docs

• 26/1409/CLED Awaiting decision

  44 Wolsey Road Moor Park Northwood Hertfordshire HA6 2EN

  Certificate of Lawfulness Existing Development: Construction of an outbuilding

  Received 3 Sep, published by the council 7 Sep 2026 Lawful development
• 26/1382/CLPD Awaiting decision

  1 Wyatts Lodge Solesbridge Lane Chorleywood Rickmansworth Hertfordshire WD3 5SW

  Certificate of Lawfulness Proposed Development: Installation of external heating and cooling pump

  Received 31 Aug, published by the council 7 Sep 2026 Lawful development
• 26/1035/CLPD Granted

  90 Sherborne Way Croxley Green Rickmansworth Hertfordshire WD3 3PG

  Certificate of Lawfulness Proposed Development: lLoft conversion including hip to gable extension, rear dormer, and front rooflights and window to side elevation.

  Received 25 Jun, published by the council 24 Jul 2026 Lawful development
• 26/1004/CLPD Granted

  39 Bishops Avenue Northwood HA6 3DD

  Certificate of Lawfulness Proposed Development: Conversion of garage to habitable accommodation

  Received 19 Jun, published by the council 24 Jul 2026 Lawful development
• 26/0973/CLPD Granted

  125 Windmill Drive Croxley Green Rickmansworth Hertfordshire WD3 3FB

  Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer and front rooflights.

  Received 15 Jun, published by the council 24 Jul 2026 Lawful development