11 Piggottshill Lane Harpenden Hertfordshire Al5 1Lg

1. 11 Apr 2025

   Received by St Albans

2. 14 Apr 2025

   Validated

   Checked as complete and ready for consideration.

3. 11 Jul 2025

   Decision issued: DC3 Conditional Permission

4. 15 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

• 18 Piggottshill Lane Harpenden Hertfordshire Al5 1Lh

  5/2016/3083 Submitted 12 Oct 2016 41m away

  Demolition of existing dwelling and construction of two, three bedroom semi-detached dwellings with basements and associated access and parking

  Withdrawn Demolition 15 docs
  Domestic

• 128A Southdown Road Harpenden Hertfordshire Al5 1Pu

  5/2020/2968 Submitted 9 Dec 2020 84m away

  Loft conversion with rear rooflights (part retrospective)

  Decided Loft or dormer 11 docs

• 21 Churchfield Harpenden Hertfordshire Al5 1Lj

  5/2021/1442 Submitted 16 May 2021 112m away

  Hip to gable roof alterations to accommodate additional bedroom and office

  Decided Householder Loft or dormer Roofing 9 docs
  Domestic

• 23 Cravells Road Harpenden Hertfordshire Al5 1Ba

  TP/2026/0149 Submitted 23 Mar 2026 176m away

  T1 Leyland Cypress ( Cuprocyparis leylandii) Fell to ground level. This multi-stemmed tree has reached a size that is causing significant shading and light deprivation to the garden, resulting in the decline of other plants and trees. Its scale makes rout

  Granted Trees 2 docs

• 1 Marlborough Park Southdown Road Harpenden Hertfordshire Al5 1Nl

  5/2017/2610 Submitted 21 Sep 2017 185m away

  Application for Prior Approval - Change of use from Class B1 (offices) to Class C3 (residential) to create two, one bedroom and two, two bedroom dwellings

  Refused Prior approval 12 docs

• Land At The Rear Of 2 & 4 Barnfield Road Harpenden Hertfordshire Al5 5Tn

  5/2026/0647 Submitted 30 Mar 2026 208m away

  Erection of a detached dwelling with new vehicular access

  Decided New dwelling 37 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