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Planning application

26 Knowle Drive Harpenden Hertfordshire Al5 1Rw

Granted St Albans 5/2017/2487 Householder

Works: Extension Loft or dormer 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 rear extension with rooflights

As published by the council, reference 5/2017/2487

Application record

Reference
5/2017/2487
Type
Householder
Status
Approved
Decision
Granted As published: DC3 Conditional Permission
Received
31 Aug 2017
Validated
18 Sep 2017
Decided
21 Dec 2017
Ward
Harpenden South
Parish
Harpenden Town
Decision by
Delegated
Postcode
AL5 1RW

Timeline

Dates from the published record

  1. 31 Aug 2017

    Received by St Albans

  2. 18 Sep 2017

    Validated

    Checked as complete and ready for consideration.

  3. 21 Dec 2017

    Decision issued: DC3 Conditional Permission

  4. 24 Jul 2026

    Added to PlanIndex

Documents

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

12 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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What this grant of permission means

St Albans granted permission on 21 December 2017, 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

  • 10 Knowle Drive Harpenden Hertfordshire Al5 1Rw

    5/2016/3097 Submitted 12 Oct 2016 50 yards away

    Single storey front, two storey side and first floor rear extensions, sunpipe to roof and alterations to openings

    Granted Householder Extension 10 docs
    Small domestic

  • 7 Knowle Drive Harpenden Hertfordshire Al5 1Rw

    5/2016/1946 Submitted 22 Jun 2016 50 yards away

    Certificate of Lawfulness (proposed) - Rear dormer loft conversion

    Granted Lawful development Loft or dormer 6 docs

  • 17 Kingcroft Road Harpenden Hertfordshire Al5 1Eh

    5/2016/3457 Submitted 21 Nov 2016 50 yards away

    Two semi-detached, three bedroom dwellings with associated landscaping, parking and extended crossovers following demolition of existing

    Granted Demolition 18 docs

  • 14 Broadstone Road Harpenden Hertfordshire Al5 1Rg

    5/2026/0967 Submitted 15 May 2026 100 yards away

    Certificate of Lawfulness (proposed) - Loft conversion with rear dormer and three rooflights to front

    Granted Lawful development Loft or dormer 14 docs

  • 8 Broadstone Road Harpenden Hertfordshire Al5 1Rg

    5/2016/3502 Submitted 23 Nov 2016 100 yards away

    Certificate of Lawfulness (proposed) - Loft conversion with rear dormer window and three front rooflights

    Granted Lawful development Loft or dormer Windows or glazing 6 docs

  • 31 Broadstone Road Harpenden Hertfordshire Al5 1Rb

    5/2026/0862 Submitted 1 May 2026 150 yards away

    Certificate of Lawfulness (Proposed) - Part of the existing garage to be converted with side windows and alterations to openings

    Granted Lawful development Windows or glazing 5 docs

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