75 Topstreet Way Harpenden Hertfordshire Al5 5Ty

1. 8 Oct 2017

   Received by St Albans

2. 25 Oct 2017

   Validated

   Checked as complete and ready for consideration.

3. 14 Dec 2017

   Decision issued: DC3 Conditional Permission

4. 10 Sep 2026

   Added to PlanIndex

St Albans granted permission on 14 December 2017, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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.

• 81 Topstreet Way Harpenden Hertfordshire Al5 5Ty

  5/2017/2594 Submitted 17 Sep 2017 0m away

  Hip to half-hipped roof extensions, loft conversion with rear dormer window and insertion of openings

  Granted Householder Extension Loft or dormer +1 11 docs
  Domestic

• 132 Topstreet Way Harpenden Hertfordshire Al5 5Ts

  5/2016/3017 Submitted 5 Oct 2016 50m away

  Certificate of Lawfulness (proposed) - Hip to gable, back dormer and 2 rooflights

  Granted Lawful development Loft or dormer 4 docs

• 106 Topstreet Way Harpenden Hertfordshire Al5 5Ts

  5/2025/1807 Submitted 3 Oct 2025 50m away

  Change of hip to gable roof to enable loft conversion with rear dormer window and front roof lights

  Granted Householder Loft or dormer Windows or glazing 11 docs
  Domestic

• 94 Topstreet Way Harpenden Hertfordshire Al5 5Ts

  5/2026/0893 Submitted 6 May 2026 50m away

  Application for amendments to planning approval reference 5/2021/0124 including change from pebbledash to smooth render, removal of rooflights to side extension, repositioning of eaves of side extension to inside of boundary line and changes to internal l

  Granted Householder Extension Loft or dormer 13 docs
  Domestic

• 38 Highfield Avenue Harpenden Hertfordshire Al5 5Ua

  5/2017/3050 Submitted 30 Oct 2017 83m away

  Two storey rear and side extension, single storey rear extension, new front porch, hip to gable roof extension, loft conversion with rear dormer window, partial garage conversion, alterations to openings and installation of rooflights

  Granted Householder Extension Loft or dormer +1 10 docs
  Small domestic

• 31 Highfield Avenue Harpenden Hertfordshire Al5 5Ub

  5/2026/1558 Submitted 20 Aug 2026 132m 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

• 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