24 Williamson Way Mill End Rickmansworth Hertfordshire WD3 8GL

This site has had 2 applications since 2020: 2 approved, 0 refused.

• 20/1629/FUL Granted

  24 Williamson Way Mill End Rickmansworth Hertfordshire WD3 8GL

  Part two storey, part single storey side extension and enlargement of existing rear conservatory

  Decided 20 Oct 2020 Full applications

1. 13 May 2025

   Received by Three Rivers

2. 2 Jul 2025

   Decision issued: approved

3. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 2 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.

• 24 Williamson Way Mill End Rickmansworth Hertfordshire WD3 8GL

  20/1629/FUL Submitted 10 Aug 2020 3m away

  Part two storey, part single storey side extension and enlargement of existing rear conservatory

  Granted Full applications Extension 12 docs
  Small domestic

• 36 Williamson Way Mill End Hertfordshire WD3 8GL

  22/1018/FUL Submitted 26 May 2022 42m away

  Garage conversion into habitable accommodation and alterations to fenestration

  Granted Full applications Windows or glazing 11 docs

• 36 Williamson Way Mill End Hertfordshire WD3 8GL

  22/1019/FUL Submitted 26 May 2022 44m away

  Demolition of existing conservatory and construction of single storey rear extension

  Granted Full applications Extension Demolition 11 docs
  Small domestic

• 20 Williamson Way Mill End WD3 8GL

  21/0697/FUL Submitted 18 Mar 2021 47m away

  Single storey rear extension and garage conversion into habitable accomodation

  Granted Full applications Extension 7 docs
  Small domestic

• 44 Williamson Way Mill End Rickmansworth Hertfordshire WD3 8GL

  25/0665/FUL Submitted 14 Apr 2025 56m away

  Loft conversion including Dutch hip to gable roof enlargement, rear dormer and erection of a single storey rear extension

  Granted Full applications Extension Loft or dormer 16 docs
  Small domestic

• 41 Williamson Way Mill End Rickmansworth Hertfordshire WD3 8GL

  23/2148/FUL Submitted 15 Dec 2023 65m away

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

  Granted Full applications Extension Demolition 6 docs
  Small domestic

• 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

  19 Mar 2026 Lawful development
• 26/0724/CLED Granted

  70 The Mead Carpenders Park Watford Hertfordshire WD19 5BU

  Certificate of Lawfulness Existing Use: Use of annexe as a separate dwelling

  5 May 2026 Lawful development
• 25/1151/CLED Refused

  Unit 6 Century Court Tolpits Lane Watford Hertfordshire

  Certificate of Lawfulness Existing Use: Use of property as single dwellinghouse (Use Class C3)

  4 Jul 2025 Lawful development
• 26/0736/CLPD Granted

  45 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3DS

  Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension with rear juliet dormer and window, front rooflights, side window

  7 May 2026 Lawful development
• 26/0631/CLPD Granted

  Clovelly Bell Lane Bedmond Abbots Langley Hertfordshire WD5 0QS

  Certificate of Lawfulness Proposed Development: Loft conversion including hip to dutch hip roof extension, rear juliet dormer with windows

  20 Apr 2026 Lawful development