37 Mill Way Mill End WD3 8QR

1. 16 Mar 2021

   Received by Three Rivers

2. 28 Apr 2021

   Decision issued: approved

3. 17 Sep 2026

   Added to PlanIndex

Three Rivers granted permission on 28 April 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.

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.

• 39 Mill Way Mill End WD3 8QR

  21/1481/FUL Submitted 10 Jun 2021 50 yards away

  Demolition of existing single storey rear extension/conservatory, construction of new single storey side/rear extension, conversion of garage into habitable accommodation and alterations to fenestration

  Granted Full applications Extension Demolition +1 10 docs
  Small domestic

• 29 Mill Way Mill End Rickmansworth Hertfordshire WD3 8QR

  19/0241/RSP Submitted 5 Feb 2019 50 yards away

  Part Retrospective: Single storey front canopy and new render finish to first floor level

  Granted Amendments 7 docs
  Small domestic

• 36 Whitfield Way Mill End Hertfordshire WD3 8QS

  22/2380/FUL Submitted 28 Dec 2022 50 yards away

  Construction of single storey front and rear extensions

  Granted Full applications Extension 8 docs
  Small domestic

• 22 Mill Way Mill End WD3 8QP

  18/1563/FUL Submitted 28 Jul 2018 50 yards away

  Single storey rear infill extension, first floor side extension, alterations to roof of front porch and existing single storey rear extension and conversion of garage into habitable accomodation.

  Granted Full applications Extension 16 docs
  Small domestic

• 18 Mill Way Mill End Rickmansworth Hertfordshire WD3 8QP

  23/1284/FUL Submitted 31 Jul 2023 50 yards away

  Demolition of existing garage and construction of single storey side and rear extension.

  Granted Full applications Extension Demolition 8 docs
  Small domestic

• 3 Whitfield Way Mill End Rickmansworth Hertfordshire WD3 8QT

  26/0895/RSP Submitted 2 Jun 2026 100 yards away

  88% historically approved · decision due ~31 Jul

  Retrospective: Construction of single storey rear extension

  Decided Extension
  Small domestic

• 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
• 26/0460/CLED Granted

  Annexe Hart Hall Hyde Lane Nash Mills Hemel Hempstead Hertfordshire HP3 8SA

  Certificate of Lawfulness Existing Use: Use of annexe as an independent dwelling

  Received 19 Mar, published by the council 24 Jul 2026 Lawful development