9 Davenham Avenue Northwood HA6 3HW

1. 19 Mar 2025

   Received by Three Rivers

2. 25 Mar 2025

   Validated

   Checked as complete and ready for consideration.

3. 19 May 2025

   Decision issued: approved

4. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 19 May 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.

• 27 Davenham Avenue Northwood HA6 3HW

  26/1273/FUL Submitted 10 Aug 2026 31m away

  90% historically approved · decision due ~8 Oct

  Demolition of existing side extension; construction of two-storey side and rear extension

  Awaiting decision Full applications Extension Demolition

• 6 Shelley Close Northwood HA6 3HX

  25/1408/FUL Submitted 20 Aug 2025 35m away

  Front porch, alterations to fenestration, alterations to external materials including render to front elevation, and associated internal alterations.

  Granted Full applications Extension Windows or glazing 12 docs
  Small domestic

• 10 Davenham Avenue Northwood HA6 3HN

  23/1595/FUL Submitted 20 Sep 2023 56m away

  Construction of part single, part two storey side and rear extension, and roof extensions including rear dormer window, front and side rooflights with associated internal alterations, alterations to fenestration and landscaping works.

  Granted Full applications Extension Loft or dormer +1 10 docs

• 4 Shelley Close Northwood HA6 3HX

  21/2864/FUL Submitted 17 Dec 2021 69m away

  Two storey rear extension

  Granted Full applications Extension 14 docs

• 4 Shelley Close Northwood HA6 3HX

  21/2804/FUL Submitted 9 Dec 2021 69m away

  Demolition of porch and canopy, single storey front extension and insertion of flank window

  Granted Full applications Extension Demolition +1 13 docs
  Small domestic

• 10 Davenham Avenue Northwood Hertfordshire HA6 3HN

  22/0817/FUL Submitted 3 May 2022 77m away

  Part single, part two storey side and rear extension including extension to roof; insertion of front gable projection, insertion of front and rear dormers and rooflights, extension to existing basement level and extension to rear patio

  Granted Full applications Extension Loft or dormer 21 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