20 Park Avenue South Harpenden Hertfordshire Al5 2Ea

1. 12 May 2021

   Received by St Albans

2. 13 May 2021

   Validated

   Checked as complete and ready for consideration.

3. 30 Jun 2021

   Decision issued: DC3 Conditional Permission

4. 25 Aug 2026

   Added to PlanIndex

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

• 4 Park Avenue South Harpenden Hertfordshire Al5 2Ea

  TP/2020/0816 Submitted 14 Dec 2020 0m away

  Rear garden G1 2 Norway Spruce - Fell. Front garden G2 3 Cypress - Fell. G3 1 Crab Apple, 1 Bay, 2 Purple Leaf Plum 2 Cypress - Fell . All trees are of poor amenity value and will be replaced with alternative trees

  Granted Trees 6 docs

• 20 Park Avenue South Harpenden Hertfordshire Al5 2Ea

  TP/2026/0226 Submitted 12 May 2026 0m away

  T1 birch - declining, remove tree in rear garden of 20 park avenue south . T2 :Removal of one previously topped western read cedar the tree has poor form and is covered in ivy.

  Decided Trees 5 docs

• 10A Park Avenue South Harpenden Hertfordshire Al5 2Ea

  5/2026/1454 Submitted 3 Aug 2026 0m away

  Erection of front boundary wall with piers, metal railings, new driveway and pedestrian gates

  Decided Householder 12 docs
  Small domestic

• 23 Park Avenue South Harpenden Hertfordshire Al5 2Dz

  TP/2020/0758 Submitted 27 Nov 2020 106m away

  Front garden trees. 1- -Scots pine - Fell to ground level. 2 - Scots pine - Fell to ground level. 3 - Thuja - Fell to ground level. 4 - Scots pine - Fell to ground level.

  Granted Trees 6 docs

• 15A Park Avenue South Harpenden Hertfordshire Al5 2Dz

  TP/2026/0054 Submitted 9 Feb 2026 106m away

  T3 - Smooth leaved holly x 1 - fell to ground level Reasons: Dying from honey fungus T4 - False acacia x 1 - fell to ground level Reasons: Dying from honey fungus Leyland cypress x 1 /Holly - lift to 3m above ground level Reasons: Dying from honey fungus

  Granted Trees 2 docs

• Hollywell House 3B Park Avenue South Harpenden Hertfordshire Al5 2Dz

  5/2021/1386 Submitted 10 May 2021 106m away

  Certificate of Lawfulness (proposed) - Construction of chimney on west side elevation

  Granted Lawful development 9 docs

• 5/2026/1173 Decided

  6 Longacres St Albans Hertfordshire Al4 0Dr

  Demolition of existing outbuilding and construction of single storey rear extension

  18 Jun 2026 Householder
• 5/2026/0299 Decided

  12 Rowlatt Drive St Albans Hertfordshire Al3 4Nb

  Demolition of existing side and rear extension and construction of a canopy porch, part single, part two storey front, two storey side and single storey rear extension

  17 Feb 2026 Householder
• 5/2026/0318 Refused

  7 Ardens Way St Albans Hertfordshire Al4 9Uw

  Demolition of existing side canopy, detached garage, rear patio and garden shed and the construction of two storey front, side and rear extensions, together with part single storey rear extension and a front porch canopy and extension to driveway

  19 Feb 2026 Householder
• 5/2026/1139 Decided

  50 Fontmell Close St Albans Hertfordshire Al3 5Hu

  Single storey rear extension and side windows with top openers over 1.7m high

  10 Jun 2026 Householder
• 5/2026/0525 Decided

  11 Hillside Road Harpenden Hertfordshire Al5 4Bs

  Garage conversion, with part roof extension and new front porch extension

  17 Mar 2026 Householder