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Planning application

43 Granby Avenue Harpenden Hertfordshire Al5 5Qp

Granted St Albans 5/2026/1265 Householder

Works: Extension Demolition 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

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

As published by the council, reference 5/2026/1265

Application record

Reference
5/2026/1265
Type
Householder
Status
Approved
Decision
DC3 Conditional Permission
Received
30 Jun 2026
Validated
16 Jul 2026
Decided
8 Sep 2026
Ward
Harpenden East
Parish
Harpenden Town
Decision by
Delegated
Postcode
AL5 5QP

Site history

Applications at this address on the St Albans register

This site has had 2 applications since 2026: 1 approved, 1 refused.

  • 5/2026/0584 Refused

    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

    Decided 19 May 2026 Householder

Timeline

Dates from the published record

  1. 30 Jun 2026

    Received by St Albans

  2. 16 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jul 2026

    Added to PlanIndex

  4. 7 Sep 2026

    Status changed to Under Consideration

    Previously Under Consultation.

  5. 8 Sep 2026

    Decision issued: DC3 Conditional Permission

Documents

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

13 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

What this grant of permission means

St Albans granted permission on 8 September 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 500 metres

  • 23 Granby Avenue Harpenden Hertfordshire Al5 5Qp

    5/2026/0398 Submitted 3 Mar 2026 0m away

    Two storey rear extension, single storey side and rear extension, alteration to openings and rooflights, replacement windows and doors, new roof awning over front door

    Granted Householder Extension Loft or dormer +2 11 docs
    Small domestic

  • 43 Granby Avenue Harpenden Hertfordshire Al5 5Qp

    5/2026/0584 Submitted 24 Mar 2026 0m away

    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

    Refused Householder Extension Demolition 12 docs
    Small domestic

  • 37 Granby Avenue Harpenden Hertfordshire Al5 5Qp

    TP/2026/0388 Submitted 8 Aug 2026 0m away

    T1 (TPO) Beech - Crown reduction by 3-4m approx, crown lift to the legal requirement on highway to 5.4m and crown clean to manage tree in its proximity to the highway and small garden

    Decided Trees 5 docs

  • 3 Granby Avenue Harpenden Hertfordshire Al5 5Qp

    5/2026/1344 Submitted 13 Jul 2026 0m away

    Two storey front extension, part single and two storey rear extension with basement, replacement main roof including raising ridge height with rooms within the roof space, alterations to external materials and raised patio.

    Decided Householder Extension Roofing 6 docs
    Domestic

  • 46 Granby Avenue Harpenden Hertfordshire Al5 5Qr

    5/2017/2766 Submitted 1 Oct 2017 38m away

    Demolition of existing dwelling and construction of two, three bedroom semi-detached dwellings (resubmission following approval of 5/2017/1892 dated 19/09/2017)

    Granted Demolition 14 docs
    Domestic

  • 153 Crabtree Lane Harpenden Hertfordshire Al5 5Rd

    5/2017/2504 Submitted 3 Sep 2017 132m away

    Certificate of Lawfulness (proposed) - Loft conversion with rear dormer window

    Granted Lawful development Loft or dormer Windows or glazing 7 docs

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
  • 5/2026/1152 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
  • 5/2026/0927 Granted

    389 Watford Road Chiswell Green St Albans Hertfordshire Al2 3Df

    To construct a free standing Carport to front driveway, electric vehicle charging point along with cycle store and bin store, this will comprise of a flat roof with grass and wiled plants and integrate to the existing trees and bushes. To Apply for planni

    12 May 2026 Householder