11 Hornhill Road Maple Cross Rickmansworth Hertfordshire WD3 9TE

1. 22 Sep 2025

   Received by Three Rivers

2. 26 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 20 Nov 2025

   Decision issued: approved

4. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 20 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.

• 50 Chalfont Road Maple Cross Rickmansworth Hertfordshire WD3 9TB

  23/1706/FUL Submitted 10 Oct 2023 115m away

  Construction of outbuilding.

  Granted Full applications 10 docs

• 58 Denham Way Maple Cross WD3 9SP

  21/0568/CLPD Submitted 5 Mar 2021 130m away

  Certificate of Lawfulness Proposed Development: Erection of outbuilding

  Granted Lawful development 6 docs

• 56 Denham Way Maple Cross WD3 9SP

  21/0569/CLPD Submitted 5 Mar 2021 131m away

  Certificate of Lawfulness Proposed Development: Erection of outbuilding.

  Granted Lawful development 5 docs

• 58 Denham Way Maple Cross Rickmansworth Hertfordshire WD3 9SP

  21/0612/FUL Submitted 10 Mar 2021 131m away

  Demolition of exiting single storey-side and rear extensions; construction of single-storey front, side, and rear extensions; two-storey side and rear extensions; and loft conversion including hip to gable roof alterations, rear dormer and front rooflights

  Withdrawn Full applications Extension Loft or dormer +2 7 docs
  Small domestic

• Little Heaven 48 Denham Way Maple Cross WD3 9SP

  21/0072/NMA Submitted 14 Jan 2021 136m away

  Non-material Amendment to planning permission 20/2374/RSP: Instead of Juliet balcony railings, frameless glass balustrades will be installed.

  Granted Amendments 4 docs

• Little Heaven 48 Denham Way Maple Cross WD3 9SP

  20/2374/RSP Submitted 9 Nov 2020 137m away

  Part Retrospective: Part two storey, part single storey rear extension, erection of single storey front porch with relocation of access door, part two storey side extension and loft conversion including gable extensions to roof, increase in ridge height, front rooflights and insertion of rear dormer

  Granted Amendments Extension Loft or dormer +1 15 docs
  Small domestic

• 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