25 Ashburnham Drive South Oxhey Hertfordshire WD19 7PX

1. 15 Nov 2022

   Received by Three Rivers

2. 9 Jan 2023

   Decision issued: approved

3. 4 Sep 2026

   Added to PlanIndex

Three Rivers granted permission on 9 January 2023, 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 lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 24 Hallowes Crescent South Oxhey Watford Hertfordshire WD19 7NT

  23/0179/FUL Submitted 31 Jan 2023 50 yards away

  Demolition of existing outbuilding and construction of single storey rear extension

  Granted Full applications Extension Demolition 11 docs
  Small domestic

• 50 Ashburnham Drive South Oxhey Watford Hertfordshire WD19 7PU

  25/1901/FUL Submitted 3 Nov 2025 50 yards away

  Construction of single storey front and side extension

  Granted Full applications Extension 7 docs
  Small domestic

• 2 Ashburnham Close South Oxhey Watford Hertfordshire WD19 7PY

  26/1330/PDE Submitted 18 Aug 2026 50 yards away

  Prior Approval: Construction of single storey rear extension (depth 4.5m, maximum height 3.3m, maximum eaves height 2.8m)

  Granted Extension 4 docs
  Small domestic

• 7 Ashburnham Close South Oxhey Watford Hertfordshire WD19 7PY

  22/0219/PDE Submitted 11 Feb 2022 50 yards away

  Prior Approval: Single storey rear extensions (maximum depth 4 metres, maximum height 3.4 metres, maximum eaves height 2.8 metres)

  Granted Outline Extension 3 docs
  Small domestic

• 46 Ashburnham Drive South Oxhey WD19 7PU

  21/0557/FUL Submitted 4 Mar 2021 50 yards away

  Construction of front porch and canopy and alterations to existing driveway.

  Granted Full applications Extension 15 docs
  Small domestic

• 46 Ashburnham Drive South Oxhey Watford Hertfordshire WD19 7PU

  21/0560/PDE Submitted 4 Mar 2021 50 yards away

  Prior Approval: Single storey rear extension (maximum depth 6 metres, maximum height 3.08 metres and eaves height 2.6 metres)

  Granted Outline Extension 7 docs
  Small domestic

• 26/1409/CLED Awaiting decision

  44 Wolsey Road Moor Park Northwood Hertfordshire HA6 2EN

  Certificate of Lawfulness Existing Development: Construction of an outbuilding

  Received 3 Sep, published by the council 7 Sep 2026 Lawful development
• 26/1382/CLPD Awaiting decision

  1 Wyatts Lodge Solesbridge Lane Chorleywood Rickmansworth Hertfordshire WD3 5SW

  Certificate of Lawfulness Proposed Development: Installation of external heating and cooling pump

  Received 31 Aug, published by the council 7 Sep 2026 Lawful development
• 26/1035/CLPD Granted

  90 Sherborne Way Croxley Green Rickmansworth Hertfordshire WD3 3PG

  Certificate of Lawfulness Proposed Development: lLoft conversion including hip to gable extension, rear dormer, and front rooflights and window to side elevation.

  Received 25 Jun, published by the council 24 Jul 2026 Lawful development
• 26/1004/CLPD Granted

  39 Bishops Avenue Northwood HA6 3DD

  Certificate of Lawfulness Proposed Development: Conversion of garage to habitable accommodation

  Received 19 Jun, published by the council 24 Jul 2026 Lawful development
• 26/0973/CLPD Granted

  125 Windmill Drive Croxley Green Rickmansworth Hertfordshire WD3 3FB

  Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer and front rooflights.

  Received 15 Jun, published by the council 24 Jul 2026 Lawful development