12 Gillian Avenue St Albans Hertfordshire Al1 2Qh

This site has had 2 applications since 2026.

• 5/2026/0272 Withdrawn

  12 Gillian Avenue St Albans Hertfordshire Al1 2Qh

  Certificate of Lawfulness (proposed) - Demolition of existing glazed conservatory to DPC level and construction of single storey extension including an insulated flat roof with lantern, associated doors and windows

  Decided 26 Jun 2026

1. 8 Jul 2026

   Received by St Albans

2. 9 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 30 Jul 2026

   Added to PlanIndex

4. 26 Sep 2026

   Status changed to Under Consideration

   Previously Under Consultation.

5. Decision

   Awaiting decision

   Decision expected by 3 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   St Albans took a median of 76 days over the applications it decided in the last year.

This application is with St Albans for determination, against a statutory target of eight weeks. Over the last year St Albans decided householder applications in a median of 110 days. More in our guide to how long planning decisions take.

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.

• 29 Gillian Avenue St Albans Hertfordshire Al1 2Qh

  5/2017/1816 Submitted 25 Jun 2017 50 yards away

  Alterations to roof to create an additional storey incorporating a part single, part two storey rear extension, two side dormer roof extensions, garage conversion, front porch extension, alterations to openings and installation of rooflights

  Granted Householder Extension Loft or dormer 11 docs
  Small domestic

• 12 Gillian Avenue St Albans Hertfordshire Al1 2Qh

  5/2026/0272 Submitted 13 Feb 2026 50 yards away

  Certificate of Lawfulness (proposed) - Demolition of existing glazed conservatory to DPC level and construction of single storey extension including an insulated flat roof with lantern, associated doors and windows

  Withdrawn Extension Demolition +1 9 docs
  Small domestic

• 18 Gillian Avenue St Albans Hertfordshire Al1 2Qh

  5/2017/3224 Submitted 14 Nov 2017 50 yards away

  Single storey rear and side extension with rooflights

  Refused Householder Extension Loft or dormer 8 docs
  Small domestic

• 86 Watling Street St Albans Hertfordshire Al1 2Qg

  5/2017/2845 Submitted 10 Oct 2017 100 yards away

  Prior Notification - Single storey rear extension 8m depth x 3.8m height x 2.6m in height to the eaves

  Refused Prior approval Extension 15 docs
  Small domestic

• 25 Robert Avenue St Albans Hertfordshire Al1 2Qw

  5/2021/1470 Submitted 17 May 2021 100 yards away

  Alterations to roof to facilitate loft conversion to habitable accommodation with side dormer window and rooflights

  Granted Householder Loft or dormer Windows or glazing 8 docs
  Domestic

• 17 Robert Avenue St Albans Hertfordshire Al1 2Qw

  5/2026/0222 Submitted 6 Feb 2026 100 yards away

  Two storey rear extension, single storey front extension

  Granted Householder Extension 10 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