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Planning application

27 Ambrose Lane Harpenden Hertfordshire Al5 4Dg

Granted St Albans 5/2025/2349 Householder

Works: Extension Small domestic

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

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Single storey front/side extension

As published by the council, reference 5/2025/2349

Application record

Reference
5/2025/2349
Type
Householder
Status
Approved
Decision
Granted As published: DC3 Conditional Permission
Received
23 Dec 2025
Validated
24 Dec 2025
Decided
10 Apr 2026
Ward
Harpenden North & Rural
Parish
Harpenden Town
Decision by
Delegated
Postcode
AL5 4DG

Site history

Applications at this address on the St Albans register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • 5/2026/1137 Granted

    27 Ambrose Lane Harpenden Hertfordshire Al5 4Dg

    Construction of garden outbuilding

    Decided 28 Sep 2026 Householder

Timeline

Dates from the published record

  1. 23 Dec 2025

    Received by St Albans

  2. 24 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 10 Apr 2026

    Decision issued: DC3 Conditional Permission

  4. 27 Sep 2026

    Added to PlanIndex

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.

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Open the documents

What this grant of permission means

St Albans granted permission on 10 April 2026, 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.

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

  • 27 Ambrose Lane Harpenden Hertfordshire Al5 4Dg

    5/2026/1137 Submitted 10 Jun 2026 50 yards away

    Construction of garden outbuilding

    Granted Householder 9 docs
    Small domestic
  • The Clock Building 6 Highfield Oval Ambrose Lane Harpenden Hertfordshire Al5 4Fb

    5/2016/3730 Submitted 13 Dec 2016 100 yards away

    Non Material Amendment - Relocation and alterations to Plant Room to planning permission 5/2012/1238 dated 06/01/2014 for Erection of six new buildings to provide eight self contained staff dwellings, training and hostel accommodation, maintenance worksho

    Refused Amendments 8 docs
  • 14A Clarence Road Harpenden Hertfordshire Al5 4Ah

    TP/2026/0233 Submitted 13 May 2026 100 yards away

    5 day notice T1 Leylandii - Fell (stump remain with wood to at base T2 Cherry - Crown reduction by 4-5m approx and shape where necessary T3 Cherry (extensive dieback in crown, stem liable to collapse) - Fell (stump to remain)

    Decided Trees 6 docs
  • 17 Lambourn Gardens Harpenden Hertfordshire Al5 4Dq

    5/2017/1788 Submitted 22 Jun 2017 100 yards away

    Two storey side and single storey rear extension with rooflights following demolition of garage, new vehicle access and crossover

    Granted Householder Extension Loft or dormer +1 12 docs
    Small domestic
  • 17 Lambourn Gardens Harpenden Hertfordshire Al5 4Dq

    5/2017/2614 Submitted 17 Sep 2017 100 yards away

    Two storey side and rear extension and single storey rear extension to allow for the subdivision of the existing dwelling into two semi-detached dwellings following demolition of existing garage and creation of new vehicle crossover

    Granted Extension Demolition 19 docs
    Small domestic
  • 41 Ambrose Lane Harpenden Hertfordshire Al5 4Bu

    5/2026/1189 Submitted 22 Jun 2026 150 yards away

    Two-storey rear extension, together with internal reconfigurations and associated fenestration alterations.

    Refused Householder Extension Windows or glazing 20 docs
    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