22 Westbury Road Northwood HA6 3BU

1. 6 Nov 2025

   Received by Three Rivers

2. 12 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 16 Dec 2025

   Decision issued: approved

4. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 16 December 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 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.

• 2A Crofters Road Northwood HA6 3ED

  24/0051/FUL Submitted 15 Jan 2024 53m away

  Conversion of garage into habitable accommodation with associated alterations.

  Granted Full applications 10 docs

• 19 Westbury Road Northwood HA6 3DB

  25/0647/RSP Submitted 10 Apr 2025 58m away

  Part Retrospective: Demolition of existing double garage, conservatory and single storey rear extension; Construction of part single, part two storey rear extension, single storey front and side extension including garage; relocation of entrance door including front porch projection; internal alterations and alterations to fenestration detail, provision of new windows to front/rear elevation, alterations to external materials including windows and rooftiles, provision of solar panels and alterations to chimneys.

  Withdrawn Amendments Extension Demolition +1 19 docs
  Small domestic

• 19 Westbury Road Northwood HA6 3DB

  25/0133/FUL Submitted 27 Jan 2025 63m away

  Variation of Condition 2 (Plans) and Condition 3 (Materials) pursuant to planning permission 23/0839/FUL to allow alterations to fenestration, front porch and alterations to external materials.

  Withdrawn Full applications Extension Windows or glazing 14 docs
  Small domestic

• 14 Westbury Road Northwood HA6 3BT

  21/0294/FUL Submitted 10 Feb 2021 78m away

  Demolition of the existing garage and conservatory; erection of a new porch; two-storey side and rear extensions including roof extension; loft conversion including rear dormer and front rooflights; and alterations to fenestration

  Withdrawn Full applications Extension Loft or dormer +2 18 docs
  Small domestic

• 12 Westbury Road Northwood HA6 3BT

  25/1140/FUL Submitted 3 Jul 2025 93m away

  Construction of two storey side extension, single storey front extension; loft conversion including alteration to roof form and insertion of rear dormer window and front rooflights; extension to driveway and access; alterations to fenestration, external materials including render and timber cladding

  Granted Full applications Extension Loft or dormer +1 13 docs
  Small domestic

• 10 Westbury Road Northwood HA6 3BT

  25/1586/FUL Submitted 16 Sep 2025 108m away

  Construction of an outbuilding

  Granted Full applications 14 docs

• 26/0460/CLED Granted

  Annexe Hart Hall Hyde Lane Nash Mills Hemel Hempstead Hertfordshire HP3 8SA

  Certificate of Lawfulness Existing Use: Use of annexe as an independent dwelling

  19 Mar 2026 Lawful development
• 26/0724/CLED Granted

  70 The Mead Carpenders Park Watford Hertfordshire WD19 5BU

  Certificate of Lawfulness Existing Use: Use of annexe as a separate dwelling

  5 May 2026 Lawful development
• 25/1151/CLED Refused

  Unit 6 Century Court Tolpits Lane Watford Hertfordshire

  Certificate of Lawfulness Existing Use: Use of property as single dwellinghouse (Use Class C3)

  4 Jul 2025 Lawful development
• 26/0736/CLPD Granted

  45 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3DS

  Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension with rear juliet dormer and window, front rooflights, side window

  7 May 2026 Lawful development
• 26/0631/CLPD Granted

  Clovelly Bell Lane Bedmond Abbots Langley Hertfordshire WD5 0QS

  Certificate of Lawfulness Proposed Development: Loft conversion including hip to dutch hip roof extension, rear juliet dormer with windows

  20 Apr 2026 Lawful development