37 Church Lane Mill End Rickmansworth Hertfordshire WD3 8PT

1. 21 Apr 2026

   Received by Three Rivers

2. 12 Jun 2026

   Decision issued: approved

3. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 12 June 2026, 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.

• 40 Church Lane Mill End Hertfordshire WD3 8HD

  22/0501/FUL Submitted 17 Mar 2022 50 yards away

  Single storey side and rear extension, increase in height and replacement of existing rear projection roof and alterations to fenestration.

  Granted Full applications Extension Windows or glazing 25 docs
  Small domestic

• 74 Clarkfield Mill End WD3 8FL

  21/1533/FUL Submitted 17 Jun 2021 50 yards away

  Two storey side and single storey rear extensions

  Withdrawn Full applications Extension 9 docs
  Small domestic

• 20 Church Lane Mill End WD3 8HD

  21/0423/CLPD Submitted 23 Feb 2021 50 yards away

  Certificate of Lawfulness Proposed Development: Construction of detached outbuilding

  Granted Lawful development 10 docs

• 63 Church Lane Mill End WD3 8PT

  19/2467/CLPD Submitted 19 Dec 2019 100 yards away

  Certificate of Lawfulness Proposed Development: Single storey rear extension, alterations to fenestration and loft conversion including rear dormer and front rooflight

  Granted Lawful development Extension Loft or dormer +1 10 docs
  Small domestic

• 10A St Peters Close Mill End WD3 8UY

  21/1485/FUL Submitted 11 Jun 2021 100 yards away

  Variation of Conditions 2 (in accordance with plans) and 3 (External Materials) pursuant to planning permission 17/1827/FUL to allow for changes to the external materials and alterations to fenestration detail

  Granted Full applications Windows or glazing 8 docs

• 10A St Peters Close Mill End WD3 8UY

  21/1146/NMA Submitted 4 May 2021 100 yards away

  Non-material Amendment to planning permission 17/1827/FUL: Alterations to outbuilding fenestration to white uPVC including replacement window with double door to east elevation and change of roof material from zinc to concrete tiles including from zinc to brick on the west elevation

  Withdrawn Amendments Windows or glazing 6 docs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