18 Rosebery Avenue Harpenden Hertfordshire Al5 2Qp

1. 24 Mar 2021

   Received by St Albans

2. 25 Mar 2021

   Validated

   Checked as complete and ready for consideration.

3. 17 Jun 2021

   Decision issued: DC3 Conditional Permission

4. 21 Aug 2026

   Added to PlanIndex

St Albans granted permission on 17 June 2021, 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.

• 6A Rosebery Avenue Harpenden Hertfordshire Al5 2Qp

  TP/2026/0185 Submitted 22 Apr 2026 50 yards away

  T1 Himalayan Birch to fell and grind. T2 Leylandii Conifer to reduce in height by 30% (approx. 5m)

  Granted Trees 2 docs

• 11 Salisbury Avenue Harpenden Hertfordshire Al5 2Qf

  5/2025/2285 Submitted 11 Dec 2025 50 yards away

  Partial demolition of existing rear extensions and construction of two storey and single storey rear extensions, demolition of existing rear chimney and dormer and construction of gym annex to rear garden. Air conditioning units.

  Granted Householder Extension Loft or dormer +1 31 docs
  Small domestic

• 11A Salisbury Avenue Harpenden Hertfordshire Al5 2Qf

  TP/2026/0477 Submitted 28 Sep 2026 50 yards away

  98% historically approved · decision due ~26 Nov

  11A Salisbury Avenue Harpenden Hertfordshire Al5 2Qf T1 - 1 x Overgrown Cotoneaster / Himalayan tree.Pollard to height of first branch break.

  Awaiting decision Trees 3 docs

• 11A Salisbury Avenue Harpenden Hertfordshire Al5 2Qf

  TP/2026/0141 Submitted 19 Mar 2026 50 yards away

  Maintenance of front hedge boundary between 11A Salisbury Avenue and 12 Kirkwick Avenue. Works: T1 - Lawson cypress reduce inline with existing laurel hedge c. 6???6??? see image 1 and 2 T2 - Beech reduce inline with existing laurel hedge c. 6???6??? see

  Granted Trees 5 docs

• 17 Salisbury Avenue Harpenden Hertfordshire Al5 2Qf

  TP/2021/0089 Submitted 25 Feb 2021 50 yards away

  T1 Cherry (extensive decay in stem) - Fell

  Granted Trees 3 docs

• 5 Roseness 19 Salisbury Avenue Harpenden Hertfordshire Al5 2Qf

  5/2017/3220 Submitted 14 Nov 2017 50 yards away

  Demolition of rear study and porch, pitched roof to rear extension, partial rendering of rear elevation, alterations to openings, rear timber pergola and patio and rebuilding of front steps with handrail (amendment to planning permission 5/2017/2348 dated

  Granted Extension Demolition 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