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Planning application

11 Rosebery Avenue Harpenden Hertfordshire Al5 2Qt

Granted St Albans 5/2025/2322 Householder

Works: Extension 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

Rear ground and basement floor extensions with associated hard and soft landscaping

As published by the council, reference 5/2025/2322

Application record

Reference
5/2025/2322
Type
Householder
Status
Approved
Decision
Granted As published: DC3 Conditional Permission
Received
22 Dec 2025
Validated
23 Dec 2025
Decided
10 Apr 2026
Ward
Harpenden West
Parish
Harpenden Town
Decision by
Delegated
Postcode
AL5 2QT

Site history

Applications at this address on the St Albans register

This site has had 2 applications since 2021: 2 approved, 0 refused.

  • 5/2021/1515 Granted

    11 Rosebery Avenue Harpenden Hertfordshire Al5 2Qt

    Single storey side and rear extensions and internal alterations

    Decided 13 Jul 2021 Householder

Timeline

Dates from the published record

  1. 22 Dec 2025

    Received by St Albans

  2. 23 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 10 Apr 2026

    Decision issued: DC3 Conditional Permission

  4. 7 Sep 2026

    Added to PlanIndex

Documents

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

28 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

  • 9 Rosebery Avenue Harpenden Hertfordshire Al5 2Qt

    5/2021/1575 Submitted 24 May 2021 50 yards away

    Erection of part two storey side extension and part single storey rear extension, with installation of rear dormer (resubmission following withdrawal of 5/2021/0488)

    Granted Householder Extension Loft or dormer 16 docs
    Small domestic

  • 9A Rosebery Avenue Harpenden Hertfordshire Al5 2Qt

    5/2025/1661 Submitted 8 Sep 2025 50 yards away

    96% historically approved · decision due ~3 Dec

    Discharge of Condition 15 (bio diversity net gain) of planning permission 5/2024/2258 dated 01/09/2025 for Demolition of existing semi-detached duplex properties and construction of two, three bedroom semi-detached houses with attic accommodation with as

    Awaiting decision Conditions Demolition 4 docs

  • 11 Rosebery Avenue Harpenden Hertfordshire Al5 2Qt

    5/2021/1515 Submitted 20 May 2021 50 yards away

    Single storey side and rear extensions and internal alterations

    Granted Householder Extension 8 docs
    Small domestic

  • 9A Rosebery Avenue Harpenden Hertfordshire Al5 2Qt

    5/2026/0407 Submitted 3 Mar 2026 50 yards away

    75% historically approved · decision due ~29 Apr

    Certificate of Lawfulness (proposed) - Erection of a single-storey detached outbuilding within the rear garden of the dwellinghouse

    Awaiting decision Lawful development 5 docs
    Small domestic

  • 9B Rosebery Avenue Harpenden Hertfordshire Al5 2Qt

    5/2026/0409 Submitted 3 Mar 2026 50 yards away

    75% historically approved · decision due ~29 Apr

    Certificate of Lawfulness (proposed) - Erection of a single-storey detached outbuilding within the rear garden of the dwellinghouse

    Awaiting decision Lawful development 5 docs
    Small domestic

  • 15 Rosebery Avenue Harpenden Hertfordshire Al5 2Qt

    5/2017/3063 Submitted 26 Oct 2017 50 yards away

    Demolition of garage and outbuilding and erection of two storey side extension with accommodation in roofspace

    Granted Householder Extension Demolition 21 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