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Planning application

315 Luton Road Harpenden Hertfordshire Al5 3Lw

Awaiting decision St Albans 5/2026/1239 Householder

Works: Extension Loft or dormer Demolition Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Two storey side extension, single storey rear extension and loft conversion following demolition of garage and workshops

As published by the council, reference 5/2026/1239

Application record

Reference
5/2026/1239
Type
Householder
Status
Under Consultation
Received
29 Jun 2026
Validated
24 Jul 2026
Ward
Harpenden North & Rural
Parish
Harpenden Town
Postcode
AL5 3LW

Comment by 19 November 2026

The council is taking comments on this application until then. Comments go to St Albans through their own planning portal.

Timeline

Dates from the published record

  1. 29 Jun 2026

    Received by St Albans

  2. 24 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 26 Jul 2026

    Added to PlanIndex

  4. 25 Aug 2026

    Status changed to Under Consideration

    Previously Under Consultation.

  5. 11 Oct 2026

    Status changed to Under Consultation

    Previously Under Consideration.

  6. Decision

    Awaiting decision

    Decision expected by 18 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.

Documents

Plans, drawings, consultee responses and the officer's report

24 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

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.

About householder applications

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.

Nearby applications

Within 0.3 miles

  • 305 Luton Road Harpenden Hertfordshire Al5 3Lw

    5/2026/0431 Submitted 5 Mar 2026 50 yards away

    Ground floor internal remodelling, the relocation and redesign of a front porch to a central position with a new hipped roof to match the existing dwelling, a minor rear extension extending the footprint of the existing flat roof single storey projection

    Granted Householder Extension 9 docs
    Small domestic
  • 301 Luton Road Harpenden Hertfordshire Al5 3Lw

    5/2016/3475 Submitted 22 Nov 2016 50 yards away

    Garage conversion, new porch, single-storey side and rear extension, alterations to openings and installation of rooflights following demolition of outbuilding and one chimney

    Granted Householder Extension Loft or dormer +1 17 docs
    Small domestic
  • 26 Ridge Avenue Harpenden Hertfordshire Al5 3Lt

    5/2026/0600 Submitted 25 Mar 2026 150 yards away

    Single storey rear extension with roof lights. Single storey front extension with roof light. Internal alterations. Single storey brick built out building

    Granted Householder Extension Loft or dormer 10 docs
    Small domestic
  • 28 Molescroft Harpenden Hertfordshire Al5 3Ls

    5/2016/3081 Submitted 11 Oct 2016 150 yards away

    Single storey front extension with rooflights incorporating new entrance porch and alterations to openings following removal of chimney stack and fire place

    Granted Householder Extension Loft or dormer 10 docs
    Small domestic
  • 26 Molescroft Harpenden Hertfordshire Al5 3Ls

    5/2021/1439 Submitted 11 May 2021 150 yards away

    Certificate of Lawfulness (proposed) - Loft conversion and single storey rear extension

    Refused Lawful development Extension Loft or dormer 12 docs
    Small domestic
  • 8 Molescroft Harpenden Hertfordshire Al5 3Ls

    5/2017/2995 Submitted 22 Oct 2017 150 yards away

    Single storey front and rear extensions and installation of rooflights

    Granted Householder Extension Loft or dormer 13 docs
    Small domestic

In St Albans

  • 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