15 The Warren Harpenden Hertfordshire Al5 2Nh

1. 10 Jun 2025

   Received by St Albans

2. 3 Jul 2025

   Validated

   Checked as complete and ready for consideration.

3. 3 Jul 2026

   Decision issued: DC3 Conditional Permission

4. 7 Sep 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

• 1A The Warren Harpenden Hertfordshire Al5 2Nh

  5/2026/0646 Submitted 30 Mar 2026 0m away

  Insertion of roof windows to front elevation; conversion of garage into utility room; various fenestration changes

  Decided Householder Windows or glazing 16 docs
  Domestic

• 1A The Warren Harpenden Hertfordshire Al5 2Nh

  5/2026/0930 Submitted 13 May 2026 0m away

  Erection of garage/store outbuilding.

  Decided Householder 10 docs
  Small domestic

• 11 The Warren Harpenden Hertfordshire Al5 2Nh

  TP/2026/0257 Submitted 20 May 2026 0m away

  TPO1773 (T1) Oak - Reduce the two lower branches by three to five metres. Reduce remainder of tree by 2 metres.

  Granted Trees 5 docs

• 4 West Common Way Harpenden Hertfordshire Al5 2Lf

  TP/2021/0294 Submitted 24 May 2021 108m away

  Front garden T1 (Prunus cerasifera) - Crown reduce by 2-3m, back to established pruning locations where it is possible and appropriate to do so, to reduce the drag coefficient and lever arm forces of the tree, and in turn to reduce its risk of structural

  Granted Trees 8 docs

• 6 West Common Way Harpenden Hertfordshire Al5 2Lf

  TP/2026/0101 Submitted 4 Mar 2026 108m away

  2 Trees in sketch are large shade loving evergreen Conifers.We wish to remove these trees. Reason: The trees are very overbearing and causing nuisance to our property. We wish to replace with 4nr small hornbeams.

  Granted Trees

• 2 West Common Way Harpenden Hertfordshire Al5 2Lf

  TP/2026/0299 Submitted 16 Jun 2026 108m away

  T1 copper beech to remove 2 lower branches over road to remove conflict with highway. T2 cherry tree to lightly shape up by 10% to improve its appearance and get it away from the road.

  Granted Trees 3 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