13 St Marys Avenue Northwood HA6 3AY

1. 3 May 2024

   Received by Three Rivers

2. 14 Jun 2024

   Decision issued: no objection

3. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 14 June 2024, 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.

An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.

• 25 St Marys Avenue Northwood Hertfordshire HA6 3AY

  22/0159/FUL Submitted 2 Feb 2022 95m away

  Two storey and single storey rear extensions, first floor side extension, alterations to roof of existing ground floor extension and loft conversion including roof alterations and extensions and insertion of rooflights and rear dormer, alterations to materials and fenestration detail.

  Granted Full applications Extension Loft or dormer +2 36 docs
  Small domestic

• 53 St Marys Avenue Northwood HA6 3AY

  26/0935/FUL Submitted 8 Jun 2026 125m away

  90% historically approved · decision due ~4 Aug

  Construction of single storey rear extension with roof lantern, installation of window to side elevation

  Decided Full applications Extension Windows or glazing
  Small domestic

• 51 Eastbury Road Watford WD19 4JN

  23/00068/CTR Submitted 31 Jan 2023 128m away

  Notification of Change of use from Commercial, Business and Service (Use Class E) to Dwellinghouses (Use Class C3)

  Decided Outline 4 docs

• 31 St Marys Avenue Northwood HA6 3AY

  23/2027/FUL Submitted 29 Nov 2023 130m away

  Demolition of existing store and construction of single storey rear extension and pergola.

  Granted Full applications Extension Demolition 7 docs
  Small domestic

• 33 St Marys Avenue Northwood HA6 3AY

  21/0486/FUL Submitted 26 Feb 2021 138m away

  Two storey rear extension

  Granted Full applications Extension 10 docs

• 33 St Marys Avenue Northwood HA6 3AY

  20/2153/PDE Submitted 12 Oct 2020 138m away

  Prior Approval: Single storey rear extension (depth 8 metres, maximum height 3.90metres, maximum eaves height 2.80 metres)

  Granted Outline Extension 5 docs
  Small domestic

• 26/0694/PDT Granted

  The Bungalow Batchworth Heath Farm Batchworth Heath Rickmansworth Hertfordshire WD3 1QB

  Prior approval: Enlargement of the dwellinghouse by the construction of one additional storey (2.75m height) and raising of ridge to result in an overall height of 6.58m (Class AA)

  28 Apr 2026 Outline
• 26/0721/PDE Withdrawn

  45 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3DS

  Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.15 metres, maximum eaves height 3.00 metres)

  5 May 2026 Outline
• 26/0746/PDE Granted

  15 Bramley Gardens South Oxhey Watford Hertfordshire WD19 6YD

  Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 2.90 metres, maximum eaves height 2.80 metres)

  11 May 2026 Outline
• 26/0781/NAC Granted

  Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP

  Neighbouring Authority Consultation: Watford Borough Council - Details submitted for Condition 23 (partial discharge phase 1 Surface Water Drainage) pursuant to planning permission 23/01023/VARM

  14 May 2026 Outline
• 26/0927/OUT Awaiting decision

  167 Valley Road Rickmansworth Hertfordshire WD3 4BR

  Outline Application: Demolition of existing dwelling and outbuildings, subdivision of site and construction of 2no. two storey detached dwellings with accommodation in the loft space, with associated parking (Appearance and, Landscaping as reserved matters)

  8 Jun 2026 Outline