74 Chiltern Drive Mill End Rickmansworth Hertfordshire WD3 8JZ

1. 24 Sep 2024

   Received by Three Rivers

2. 12 Nov 2024

   Decision issued: approved

3. 17 Sep 2026

   Added to PlanIndex

Three Rivers granted permission on 12 November 2024, 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.

• 1 Coombe Hill Road Mill End Rickmansworth Hertfordshire WD3 8NE

  24/1077/FUL Submitted 5 Jul 2024 50 yards away

  Construction of a single storey front/side extension with sedum roof, conversion of garage into habitable accommodation, roof alterations to create an additional storey with front/rear rooflights and front solar panels and internal/external alterations with changes to the fenestration and cladding

  Granted Full applications Extension Loft or dormer +2 18 docs
  Small domestic

• 3 Coombe Hill Road Mill End Hertfordshire WD3 8NE

  22/1400/FUL Submitted 22 Jul 2022 50 yards away

  Demolition of existing conservatory and construction of single storey rear extension, erection of front canopy, alterations to fenestration, extension to rear patio and insertion of ramp, extension to drive and relocation of vehicular access

  Granted Full applications Extension Demolition +1 11 docs
  Small domestic

• 7 Coombe Hill Road Mill End WD3 8NE

  20/1982/FUL Submitted 23 Sep 2020 50 yards away

  Single storey front extension and first floor rear extension

  Granted Full applications Extension 12 docs
  Small domestic

• 15 Coombe Hill Road Mill End Hertfordshire WD3 8NE

  21/1167/CLPD Submitted 5 May 2021 50 yards away

  Certificate of Lawfulness Proposed Development: Construction of rear dormer window

  Granted Lawful development Loft or dormer Windows or glazing 15 docs

• 15 Coombe Hill Road Mill End WD3 8NE

  19/0075/FUL Submitted 15 Jan 2019 50 yards away

  Increase in ridge height, hip to gable extensions and first floor side extension

  Granted Full applications Extension Loft or dormer +1 12 docs

• 70 Chiltern Drive Mill End Rickmansworth Hertfordshire WD3 8JZ

  26/1542/FUL Submitted 28 Sep 2026 50 yards away

  89% historically approved · decision due ~30 Nov

  Construction of two storey side extension and single storey rear extension

  Awaiting decision Full applications 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