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 150 yards away

  Construction of outbuilding.

  Granted Full applications 10 docs

• 52 Chalfont Road Maple Cross Hertfordshire WD3 9TB

  21/1451/FUL Submitted 7 Jun 2021 150 yards away

  Demolition of existing garage and construction of part single, part two storey front, side and rear extensions

  Granted Full applications Extension Demolition 7 docs

• 58 Denham Way Maple Cross WD3 9SP

  21/1218/FUL Submitted 10 May 2021 150 yards away

  Demolition of existing 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 and front rooflights

  Granted Full applications Extension Loft or dormer +2 9 docs
  Small domestic

• 58 Denham Way Maple Cross WD3 9SP

  21/0568/CLPD Submitted 5 Mar 2021 150 yards 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 150 yards 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 150 yards 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  Withdrawn Full applications Extension Loft or dormer +2 7 docs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

• 26/1350/FUL Granted

  26 Ebury Road Rickmansworth Hertfordshire WD3 1BN

  Conversion of ground floor storage space to habitable accommodation; alterations to the fenestration

  Received 21 Aug, published by the council 1 Sep 2026 Full applications
• 26/1664/FUL Awaiting decision

  3 Pembroke Road Moor Park Northwood Hertfordshire HA6 2HP

  Variation of condition 2 (plans) pursuant to planning permission 24/1622/FUL to allow alterations to front entrance door and garage door

  Received 20 Oct, published by the council 22 Oct 2026 Full applications
• 26/1663/FUL Awaiting decision

  161 New Road Croxley Green Rickmansworth Hertfordshire WD3 3HB

  Construction of first floor rear extension and front porch; internal alterations and alterations to fenestration including new windows to side elevation; alterations to external materials including insulated render and timber cladding

  Received 20 Oct, published by the council 23 Oct 2026 Full applications
• 26/1654/FUL Awaiting decision

  47 Carpenders Avenue Carpenders Park Watford Hertfordshire WD19 5BS

  Re-location of entrance and construction of front porch

  Received 16 Oct, published by the council 21 Oct 2026 Full applications
• 26/1653/FUL Awaiting decision

  11 Hillcroft Crescent Oxhey Hall Watford Hertfordshire WD19 4PB

  Demolition of existing shed and construction of new outbuilding

  Received 16 Oct, published by the council 22 Oct 2026 Full applications