73 Hornhill Road Maple Cross WD3 9TG

1. 1 Dec 2020

   Received by Three Rivers

2. 7 Dec 2020

   Validated

   Checked as complete and ready for consideration.

3. 29 Jan 2021

   Decision issued: approved

4. 20 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 29 January 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 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.

• 114 Denham Way Maple Cross Rickmansworth Hertfordshire WD3 9SP

  25/0708/PDE Submitted 22 Apr 2025 77m away

  Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.00 metres, maximum eaves height 2.90 metres)

  Granted Outline Extension 7 docs
  Small domestic

• 114 Denham Way Maple Cross Rickmansworth Hertfordshire WD3 9SP

  25/1283/FUL Submitted 29 Jul 2025 79m away

  Construction of part-single storey, part-two storey rear extensions; loft conversion including rear dormer and front rooflights

  Refused Full applications Extension Loft or dormer 7 docs
  Small domestic

• 8 Woodland Road Maple Cross Rickmansworth Hertfordshire WD3 9SU

  22/1865/PDE Submitted 6 Oct 2022 89m away

  Prior Approval: Single storey rear extension (depth 6 metres, maximum height 3.25 metres, maximum eaves height 3.50 metres)

  Withdrawn Outline Extension 8 docs
  Small domestic

• 8 Woodland Road Maple Cross Rickmansworth Hertfordshire WD3 9SU

  22/2010/PDE Submitted 28 Oct 2022 89m away

  Prior Approval: Single storey rear extension (depth 6 metres, maximum height 3 metres, maximum eaves height 3 metres)

  Granted Outline Extension 9 docs
  Small domestic

• 12 Woodland Road Maple Cross WD3 9SU

  20/2466/FUL Submitted 18 Nov 2020 94m away

  Single storey rear extension

  Granted Full applications Extension 11 docs
  Small domestic

• 138 Denham Way Maple Cross WD3 9SP

  22/0041/FUL Submitted 12 Jan 2022 99m away

  Part single and part two storey rear extension

  Granted Full applications Extension 11 docs

• 26/1384/FUL Awaiting decision

  Swandrift Trout Rise Loudwater Rickmansworth Hertfordshire WD3 4JZ

  Demolition of existing conservatory and construction of part single, part two storey rear extension, single storey side extension, extension to double garage to create first floor above with front/rear dormer windows; loft conversion including front/rear dormer windows and side/rear rooflights; construction of basement, rear balcony, new window to side elevation, patio extension and landscaping alterations including ramp.

  31 Aug 2026 Full applications
• 26/1380/FUL Awaiting decision

  Crossley Wylde Loudwater Lane Loudwater Rickmansworth Hertfordshire WD3 3JD

  Installation of rooflights

  28 Aug 2026 Full applications
• 26/1372/FUL Awaiting decision

  108 Winton Drive Croxley Green Rickmansworth Hertfordshire WD3 3QT

  Demolition of existing conservatory and side extension; construction of a single storey front, side and rear extension with rooflights

  27 Aug 2026 Full applications
• 26/1365/FUL Awaiting decision

  Morningside Bridle Lane Loudwater Rickmansworth Hertfordshire WD3 4JB

  Construction of a single storey rear extension; conversion of garage into habitable accommodation; alterations to the fenestration

  25 Aug 2026 Full applications
• 26/1358/FUL Awaiting decision

  251 Baldwins Lane Croxley Green Rickmansworth Hertfordshire WD3 3LH

  Variation of Condition 3 (Materials) Pursuant to planning permission 25/1526/RSP to allow alterations to materials.

  24 Aug 2026 Full applications