34 On The Hill Carpenders Park Watford Hertfordshire WD19 5DR

1. 21 Jul 2025

   Received by Three Rivers

2. 15 Aug 2025

   Validated

   Checked as complete and ready for consideration.

3. 13 Nov 2025

   Decision issued: approved

4. 24 Jul 2026

   Added to PlanIndex

Three Rivers granted permission on 13 November 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 2 On The Hill Carpenders Park Watford Hertfordshire WD19 5DR

  26/0982/PDE Submitted 17 Jun 2026 18m away

  88% historically approved · decision due ~12 Aug

  Prior Approval: Demolition of existing extension and construction of single storey rear extensions. (Maximum depth: 6.00m, Maximum height: 3.45m, Maximum eaves height: 3.00m).

  Decided Extension Demolition
  Small domestic

• 28 On The Hill Carpenders Park Watford Hertfordshire WD19 5DR

  26/0553/FUL Submitted 7 Apr 2026 26m away

  Loft extension including flat to pitch roof extension with increase in ridge height of existing dormer, side rooflights

  Refused Full applications Extension Loft or dormer +1 13 docs

• 28 On The Hill Carpenders Park Watford Hertfordshire WD19 5DR

  24/1187/FUL Submitted 25 Jul 2024 27m away

  Single storey front extension and conversion of existing garage to habitable accommodation.

  Granted Full applications Extension 9 docs
  Small domestic

• 20 On The Hill Carpenders Park Watford Hertfordshire WD19 5DR

  20/1986/FUL Submitted 23 Sep 2020 63m away

  Construction of front porch, conversion of garage into habitable space and associated alterations

  Granted Full applications Extension 12 docs
  Small domestic

• 42 Margeholes Carpenders Park Watford Hertfordshire WD19 5AR

  26/1049/FUL Submitted 29 Jun 2026 73m away

  Single storey front extension.

  Granted Full applications Extension 12 docs
  Small domestic

• 36 Margeholes Carpenders Park Watford Hertfordshire WD19 5AP

  23/2011/FUL Submitted 28 Nov 2023 98m away

  Conversion of existing garages into habitable accommodation, including increase in ridge height with associated internal insulation.

  Granted Full applications Roofing 10 docs

• 26/1487/FUL Awaiting decision

  48 Valley Road Rickmansworth Hertfordshire WD3 4DS

  Demolition of existing car port; construction of a part single part two storey side and rear extension; alteration to the fenestration

  18 Sep 2026 Full applications
• 26/1471/FUL Awaiting decision

  6 Sycamore Approach Croxley Green Rickmansworth Hertfordshire WD3 3TN

  Demolition of existing garage and front entry porch; construction of a single storey front, side and rear extensions; internal alterations; alterations to hardstanding

  16 Sep 2026 Full applications
• 26/1167/FUL Granted

  22 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AD

  Construction of single storey front and rear extension; alterations to fenestration; installation of roof lanterns

  20 Jul 2026 Full applications
• 26/1456/FUL Awaiting decision

  1 Penn Way Chorleywood Rickmansworth Hertfordshire WD3 5HQ

  Construction of single storey side and rear extension; conversion of garage into habitable accommodation; removal of chimney stack

  14 Sep 2026 Full applications
• 26/1452/FUL Awaiting decision

  3 Arnett Way Rickmansworth Hertfordshire WD3 4DA

  Construction of a single storey front extension and two storey side extension; partial conversion of garage into habitable accommodation; installation of roof lights; alterations to the fenestration; internal alterations

  14 Sep 2026 Full applications