23 Granby Avenue Harpenden Hertfordshire Al5 5Qp

1. 3 Mar 2026

   Received by St Albans

2. 23 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 12 May 2026

   Decision issued: DC3 Conditional Permission

4. 31 Aug 2026

   Added to PlanIndex

St Albans granted permission on 12 May 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 43 Granby Avenue Harpenden Hertfordshire Al5 5Qp

  5/2026/0584 Submitted 24 Mar 2026 50 yards away

  Following demolition of store rooms etc, proposed two-storey side and rear extensions, single-storey side and rear extensions along with internal and external alterations, new openings and chimney removal

  Refused Householder Extension Demolition 12 docs
  Small domestic

• 37 Granby Avenue Harpenden Hertfordshire Al5 5Qp

  TP/2026/0388 Submitted 8 Aug 2026 50 yards away

  T1 (TPO) Beech - Crown reduction by 3-4m approx, crown lift to the legal requirement on highway to 5.4m and crown clean to manage tree in its proximity to the highway and small garden

  Granted Trees 6 docs

• 3 Granby Avenue Harpenden Hertfordshire Al5 5Qp

  5/2026/1344 Submitted 13 Jul 2026 50 yards away

  89% historically approved · decision due ~8 Sep

  Two storey front extension, part single and two storey rear extension with basement, replacement main roof including raising ridge height with rooms within the roof space, alterations to external materials and raised patio.

  Awaiting decision Householder Extension Roofing 10 docs
  Domestic

• 43 Granby Avenue Harpenden Hertfordshire Al5 5Qp

  5/2026/1265 Submitted 30 Jun 2026 50 yards away

  Following demolition of store rooms etc, proposed two-storey side and rear extensions, single-storey side and rear extensions along with internal and external alterations, new openings and chimney removal

  Granted Householder Extension Demolition 13 docs
  Small domestic

• 45 Granby Avenue Harpenden Hertfordshire Al5 5Qp

  TP/2026/0465 Submitted 17 Sep 2026 50 yards away

  98% historically approved · decision due ~13 Nov

  T1 Beech - Crown lift over highway to height of 6m to prevent vehicle strike and crown clean only

  Awaiting decision Trees 4 docs

• 52 Granby Avenue Harpenden Hertfordshire Al5 5Qr

  5/2016/3390 Submitted 14 Nov 2016 50 yards away

  Two storey side extension, new porch and alterations to openings

  Granted Householder Extension 9 docs
  Small domestic

• 5/2026/0517 Granted

  28 White Hedge Drive St Albans Hertfordshire Al3 5Tt

  Proposed two-storey rear extension, loft conversion, and alterations to the existing front entrance porch

  Received 16 Mar, published by the council 31 Aug 2026 Householder
• 5/2026/1055 Granted

  39 Oakwood Drive St Albans Hertfordshire Al4 0Ul

  Erection of a part single-storey, part two-storey wraparound extension, loft conversion including a rear dormer and rooflights, and construction of a front porch

  Received 1 Jun, published by the council 24 Jul 2026 Householder
• 5/2026/1278 Granted

  39 Foxcroft St Albans Hertfordshire Al1 5Ss

  Proposed C3 residential extension including two storey front and single storey front and side with internal alterations

  Received 1 Jul, published by the council 24 Jul 2026 Householder
• 5/2026/1170 Granted

  20 Nimrod Close St Albans Hertfordshire Al4 9Xy

  Extension of existing raised rear terrace with privacy screening and associated alterations to rear fenestration

  Received 17 Jun, published by the council 24 Jul 2026 Householder
• 5/2026/1338 Granted

  16 Hunters Ride Bricket Wood Hertfordshire Al2 3Lx

  Proposed front porch

  Received 11 Jul, published by the council 9 Aug 2026 Householder