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Planning application

12 Leycroft Way Harpenden Hertfordshire Al5 1Jw

Decided St Albans 5/2026/1067 Householder

Works: Extension Small domestic

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

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

First floor side extension over existing single storey side projection, with new pitched roof to match existing roof form and front elevational treatment in character with existing building. Garage conversion to habitable accommodation. Alterations to exi

As published by the council, reference 5/2026/1067

Application record

Reference
5/2026/1067
Type
Householder
Status
Under Consideration
Decision
PENDING
Received
2 Jun 2026
Validated
3 Jun 2026
Ward
Harpenden South
Parish
Harpenden Town
Postcode
AL5 1JW

Timeline

Dates from the published record

  1. 2 Jun 2026

    Received by St Albans

  2. 3 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jul 2026

    Added to PlanIndex

  4. 30 Jul 2026

    Status changed to Under Consideration

    Previously Under Consultation.

Documents

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

16 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.

Trade members open them from here.

Open the documents

After the decision

St Albans has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

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 500 metres

  • 9 Leycroft Way Harpenden Hertfordshire Al5 1Jw

    5/2025/1666 Submitted 9 Sep 2025 0m away

    Infilling of side window, enlarged the rear doors and installation of roof lights

    Granted Householder Loft or dormer Windows or glazing 10 docs
    Domestic
  • 29 Leycroft Way Harpenden Hertfordshire Al5 1Jw

    5/2016/1811 Submitted 8 Jun 2016 0m away

    Part single part two storey side extension following demolition of existing garage, alteration to ground floor roof over the entrance porch and alterations to first floor roof incorporating rooflights

    Granted Householder Extension Loft or dormer +1 15 docs
    Small domestic
  • 2 Meadway Harpenden Hertfordshire Al5 1Jl

    5/2026/0423 Submitted 5 Mar 2026 127m away

    Single storey side extension, garage conversion with alterations to fenestrations and external materials

    Granted Householder Extension 14 docs
    Small domestic
  • 28 Sibley Avenue Harpenden Hertfordshire Al5 1Hf

    5/2026/0559 Submitted 20 Mar 2026 169m away

    First floor rear extension, raising of the roof height of the existing flat-roofed side extension, and construction of a new lean-to roof over the existing single-storey rear extension

    Decided Householder Extension 28 docs
    Small domestic
  • 34 Leycroft Way Harpenden Al5 1Jr

    TP/2017/0577 Submitted 1 Nov 2017 176m away

    Reduce height of Douglas Fir T7 in front garden by 3m & shorten lateral limbs by 2m. Reason - To reduce risk of limb failure & to provide clearance to building.

    Refused Trees 2 docs
  • 57 Leycroft Way Harpenden Hertfordshire Al5 1Jp

    5/2026/0192 Submitted 3 Feb 2026 187m away

    Certificate of Lawfulness (existing) - The existing garage has been converted into a habitable room and the owners of the dwelling would like to obtain consent to replace the garage door with a window. As far as we are aware, Permitted Development is stil

    Granted Lawful development Windows or glazing 6 docs
    Domestic

In St Albans

  • 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