14 Tylers Harpenden Hertfordshire Al5 5Rt

1. 24 Feb 2026

   Received by St Albans

2. 9 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 3 Jun 2026

   Decision issued: DC3 Conditional Permission

4. 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

• 7 Tylers Harpenden Hertfordshire Al5 5Rt

  5/2025/2282 Submitted 15 Dec 2025 0m away

  Single-storey rear extension, ground-floor front infill extension and first-floor front extension

  Decided Householder Extension 13 docs
  Small domestic

• 9 Aldwickbury Crescent Harpenden Hertfordshire Al5 5Rs

  5/2026/0388 Submitted 2 Mar 2026 36m away

  Part single storey front extension with pitched roof to existing extension and alterations to openings

  Decided Householder Extension 9 docs
  Small domestic

• 33 Holly Walk Harpenden Hertfordshire Al5 5Rg

  5/2017/2734 Submitted 27 Sep 2017 95m away

  Certificate of Lawfulness (proposed) - Hip to gable and rear dormer loft conversion with front roof lights and rear dormer windows

  Granted Lawful development Loft or dormer Windows or glazing 7 docs

• 100 Crabtree Lane Harpenden Hertfordshire Al5 5Rf

  5/2026/0730 Submitted 13 Apr 2026 163m away

  Removal of rear garden store, erection of first floor side extension over existing ground floor footprint and associated internal alterations

  Decided Householder Extension 8 docs
  Domestic

• 25 Aldwickbury Crescent Harpenden Hertfordshire Al5 5Sa

  5/2026/0464 Submitted 9 Mar 2026 172m away

  Single storey rear extension and side extension with porch canopy

  Decided Householder Extension 12 docs
  Small domestic

• 41 Aldwickbury Crescent Harpenden Hertfordshire Al5 5Sa

  5/2026/0868 Submitted 1 May 2026 172m away

  Single storey front & rear extensions

  Decided Householder Extension 10 docs
  Small 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