30 Gainsborough Avenue St Albans Hertfordshire Al1 4Nl

1. 21 May 2026

   Received by St Albans

2. 22 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

St Albans has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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.

• 18B Gainsborough Avenue St Albans Hertfordshire Al1 4Nl

  5/2026/0492 Submitted 13 Mar 2026 0m away

  Conversion of existing integral garage to habitable accommodation

  Granted Householder 14 docs
  Domestic

• 28 Gainsborough Avenue St Albans Hertfordshire Al1 4Nl

  TP/2026/0035 Submitted 28 Jan 2026 0m away

  Proposed Works: Fell one Cherry tree located in the rear garden. Reasons for Work: The tree is exhibiting significant decay to the basal heartwood, compromising its structural integrity. Due to the advanced nature of the decay and the associated risk of f

  Granted Trees 2 docs

• Lichfield 30A Gainsborough Avenue St Albans Hertfordshire Al1 4Nl

  TP/2026/0248 Submitted 4 May 2026 0m away

  Noticed the cherry tree in my garden has large cracks on trunk and wood inside looks dead. Tree itself has no leaves or blossom and is likely to become a hazard. House is in conservation area and at 1.5m the trunk is approx 120mm in diameter. Do I need pe

  Decided Trees 3 docs

• 28 Gainsborough Avenue St Albans Hertfordshire Al1 4Nl

  5/2025/2359 Submitted 24 Dec 2025 0m away

  Demolition of existing dwelling and construction of two detached four bedroom dwellings with associated works and wall mounted heat pump for each dwellings

  Refused Demolition 25 docs
  Domestic

• 13 Gainsborough Avenue St Albans Hertfordshire Al1 4Nj

  TP/2026/0295 Submitted 9 Jun 2026 41m away

  Side up side boundary

  Decided Trees 2 docs

• 7 Gainsborough Avenue St Albans Hertfordshire Al1 4Nj

  5/2017/3140 Submitted 7 Nov 2017 41m away

  Part single, part two storey rear extension (resubmission following withdrawal of 5/2017/0701)

  Granted Householder Extension 11 docs
  Domestic

• 5/2026/1089 Granted

  25 High Firs Crescent Harpenden Hertfordshire Al5 1Nb

  Removal of the existing flat roof and construction of a pitched roof to the front elevation

  5 Jun 2026 Householder
• 5/2026/0989 Granted

  Mabel 30 Faircross Way St Albans Hertfordshire Al1 4Sd

  Construction of single storey garden golf studio

  18 May 2026 Householder
• 5/2026/0631 Granted

  28 Wroxham Way Harpenden Hertfordshire Al5 4Pp

  Proposed two storey side and rear extension and single storey rear extension, alterations to patio, boundary treatments and landscaping.

  27 Mar 2026 Householder
• 5/2026/1265 Granted

  43 Granby Avenue Harpenden Hertfordshire Al5 5Qp

  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

  30 Jun 2026 Householder
• 5/2026/1152 Granted

  43A Moreton End Lane Harpenden Hertfordshire Al5 2Ha

  Addition of flat roof dormers to the first-floor ensuite bathroom on both the front and rear elevations. New utility room added to the rear of the garage space.

  15 Jun 2026 Householder