37 Alzey Gardens Harpenden Hertfordshire Al5 5Sx

1. 19 Mar 2026

   Received by St Albans

2. 20 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 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

• 52 Alzey Gardens Harpenden Hertfordshire Al5 5Sy

  5/2026/1177 Submitted 18 Jun 2026 66m away

  Conversion and extension of detached garage with replacement roof over

  Decided Householder Extension Roofing 8 docs
  Domestic

• 54 Alzey Gardens Harpenden Hertfordshire Al5 5Sy

  5/2026/0387 Submitted 2 Mar 2026 66m away

  Two storey side, rear and front extension, porch canopy, garage conversion, landscaping to front garden to provide off street parking, alterations to external openings and materials and installation of new fencing

  Decided Householder Extension 11 docs
  Small domestic

• 73 Alzey Gardens Harpenden Hertfordshire Al5 5Sy

  5/2017/2819 Submitted 5 Oct 2017 66m away

  Single and two storey front and side extension, alterations to openings and installation of rooflights

  Decided Householder Extension Loft or dormer 8 docs
  Domestic

• 50 Alzey Gardens Harpenden Hertfordshire Al5 5Sy

  5/2026/0792 Submitted 20 Apr 2026 66m away

  Single storey side and rear extension, window alterations

  Decided Householder Extension Windows or glazing 10 docs
  Small domestic

• 31 Highfield Avenue Harpenden Hertfordshire Al5 5Ub

  5/2026/1558 Submitted 20 Aug 2026 147m away

  Certificate of Lawfulness ( Proposed) - Proposed rear single-storey extension, side single-storey extension and removal of rear chimney stack

  Granted Lawful development Extension 8 docs
  Small domestic

• 11 Highfield Avenue Harpenden Hertfordshire Al5 5Ub

  5/2016/2647 Submitted 23 Aug 2016 147m away

  Raising of and alterations to roof from hip to half hip roof form to create habitable loft accommodation with two rear dormer windows and rooflights and removal of one existing chimney

  Refused Householder Loft or dormer Windows or glazing 13 docs
  Domestic

• 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