17 Gonville Avenue Croxley Green Rickmansworth Hertfordshire WD3 3BY

1. 30 Jun 2026

   Received by Three Rivers

2. 6 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 28 Aug 2026

   Decision issued: approved

5. 10 Sep 2026

   Status changed to Decided

   Previously Pending Consideration.

Three Rivers granted permission on 28 August 2026, 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.

• 8 Gonville Avenue Croxley Green Rickmansworth Hertfordshire WD3 3BY

  26/1377/CLPD Submitted 28 Aug 2026 50 yards away

  88% historically approved · decision due ~12 Nov

  Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension with a rear dormer and installation of front roof lights; removal of chimney stack and construction of an outbuilding.

  Decided Extension Loft or dormer

• 8 Gonville Avenue Croxley Green Rickmansworth Hertfordshire WD3 3BY

  26/1375/PDE Submitted 27 Aug 2026 50 yards away

  Prior Approval: Constructon of a single storey rear extension (depth 6m, maximum height 2.95m, maximum eaves height 2.95m)

  Granted Extension
  Small domestic

• 110 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3BX

  24/1541/FUL Submitted 25 Sep 2024 50 yards away

  Demolition of existing outbuilding; construction of single storey rear extension; construction of front porch canopy; landscaping alterations; internal alterations and alterations to external materials (render).

  Granted Full applications Extension Demolition 30 docs
  Small domestic

• 110 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3BX

  24/1542/CLPD Submitted 25 Sep 2024 50 yards away

  Certificate of Lawfulness Proposed Development: Demolition of existing outbuilding and construction of an outbuilding.

  Granted Lawful development Demolition 34 docs

• 36 Gonville Avenue Croxley Green Rickmansworth Hertfordshire WD3 3BY

  20/2553/PDE Submitted 26 Nov 2020 50 yards away

  Prior Approval: Single storey rear extension (depth 6 metres, maximum height 3.6 metres, maximum eaves height 2.55 metres)

  Withdrawn Outline Extension 7 docs
  Small domestic

• 36 Gonville Avenue Croxley Green WD3 3BY

  21/1207/FUL Submitted 10 May 2021 50 yards away

  Part single storey, part two storey rear extension, front porch, front dormer and alterations to the front elevation comprising a new bay window

  Granted Full applications Extension Loft or dormer +1 8 docs
  Small domestic

• 26/1700/FUL Awaiting decision

  Jonathans Shire Lane Chorleywood Rickmansworth Hertfordshire WD3 5NH

  Construction of a single storey rear extension and alterations to the patio

  Received 27 Oct, published by the council 29 Oct 2026 Full applications
• 26/1688/FUL Awaiting decision

  37 Russell Road Moor Park Northwood Hertfordshire HA6 2LP

  Variation of Condition 2 (Approved Plans) pursuant to planning permission 26/1117/FUL to allow an increase in height to the single storey rear extension and an increase in size of the first floor rear projection

  Received 26 Oct, published by the council 27 Oct 2026 Full applications
• 26/1692/FUL Awaiting decision

  4 Canterbury Way Croxley Green Rickmansworth Hertfordshire WD3 3SS

  Construction of an outbuilding

  Received 26 Oct, published by the council 27 Oct 2026 Full applications
• 26/1689/FUL Awaiting decision

  15 Dover Way Croxley Green Rickmansworth Hertfordshire WD3 3SL

  Demolition of existing single storey side extension and construction of single storey front and side extension

  Received 26 Oct, published by the council 27 Oct 2026 Full applications
• 26/1674/FUL Awaiting decision

  The Lower House Burfield Road Chorleywood Rickmansworth Hertfordshire WD3 5NS

  Demolition of existing conservatory, and single storey front, side and rear extensions; construction of part-single, part-two storey rear extension, single storey front and side extension, loft conversion and extension including increase in ridge height with rear dormer and rooflight, landscaping works including rear and side terrace areas; internal alterations and alterations to fenestration, external materials including brick and render; erection of carport

  Received 22 Oct, published by the council 28 Oct 2026 Full applications