Skip to content
PlanIndex Get alerts
Menu

Planning application

17 Gun Lane Knebworth Hertfordshire SG3 6BJ

Decided North Hertfordshire 21/01255/FP Full Planning Permission

Works: Demolition

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

Proposal

Erection of three 3-bed dwellings following demolition of existing bungalow with associated landscaping, vehicle parking and ancillary works (revision of previously approved planning application 20/01326/FP granted 10.09.2020).

As published by the council, reference 21/01255/FP

Application record

Reference
21/01255/FP
Type
Full Planning Permission
Status
Decided
Decision
Conditional Permission
Received
19 Apr 2021
Validated
19 Apr 2021
Decided
6 Jul 2021
Ward
Knebworth Ward Historic
Parish
Knebworth Parish Council
Decision by
Delegated
Postcode
SG3 6BJ

Timeline

Dates from the published record

  1. 19 Apr 2021

    Received by North Hertfordshire

  2. 6 Jul 2021

    Decision issued: Conditional Permission

  3. 9 Aug 2026

    Added to PlanIndex

Documents

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

11 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

The process from here

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 21 Gun Lane Knebworth Hertfordshire SG3 6BJ

    21/01847/FPH Submitted 14 Jun 2021 30m away

    Two storey side extension

    Decided Householder Extension 7 docs
    Domestic

  • 7 Gun Lane Knebworth Hertfordshire SG3 6BH

    23/00329/FPH Submitted 10 Feb 2023 76m away

    Raise roof height, creation of gable ends and insertion of front and rear dormer windows to facilitate additional habitable accommodation at first floor level. Two storey front extension following demolition of existing porch. Alterations to fenestration

    Decided Householder Extension Loft or dormer +2 8 docs
    Small domestic

  • 1 Deeping Close Knebworth Hertfordshire SG3 6BW

    21/01795/FPH Submitted 15 Jun 2021 89m away

    Single storey front porch extension, single storey side extension, raise eaves height, conversion and extension of existing detached side elevation garage/store to link to main dwellinghouse

    Decided Householder Extension 11 docs
    Small domestic

  • 76 Pondcroft Road Knebworth Hertfordshire SG3 6DE

    26/01555/FPH Submitted 6 Jul 2026 96m away

    90% historically approved · decision due ~31 Aug

    Single storey side and rear extensions with car port following removal of existing detached rear garage and shed.

    Awaiting decision Extension
    Small domestic

  • 57 Pondcroft Road Knebworth Hertfordshire SG3 6DE

    26/01964/FPH Submitted 5 Aug 2026 96m away

    90% historically approved · decision due ~30 Sep

    Single storey rear extension following demolition of existing side/rear element.

    Awaiting decision Extension Demolition
    Small domestic

  • 76 Pondcroft Road Knebworth Hertfordshire SG3 6DE

    26/01554/LDCP Submitted 16 Jun 2026 96m away

    90% historically approved · decision due ~11 Aug

    Insertion of L shaped rear dormer with Juliet balcony and 3 no. front roof lights to facilitate loft conversion to habitable space

    Decided Loft or dormer

In North Hertfordshire

  • 26/02039/FP Awaiting decision

    77 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PP

    Erection of one detached three-bedroom dwelling including detached double garage with Air Source Heat Pump and soft and hard landscaping works following demolition of existing detached structures.

    3 Sep 2026 Full applications
  • 26/01924/FP Awaiting decision

    Former Big Cat Sanctuary Codicote Road Welwyn Hertfordshire AL6 9TU

    Erection of 109 residential dwellings with access, parking, hard and soft landscaping and public open space following demolition of all existing buildings and structures

    1 Sep 2026 Full applications
  • 26/01915/FP Awaiting decision

    Former Pavilion Jacks Hill Farm Jacks Hill Graveley Hertfordshire SG4 7EQ

    Conversion of the existing pavilion to form three 1-bed self-contained dwellings (Development already carried out).

    28 Aug 2026 Full applications
  • 26/01724/FP Awaiting decision

    134 High Street Kimpton Hitchin Hertfordshire SG4 8QP

    Erection of two semi-detached 3-bed dwellings following demolition of existing dwelling and double garage including landscaping, parking , bin and bike storage and installation of two air source heat pumps. Installation of pedestrian access.

    27 Aug 2026 Full applications
  • 25/03184/FP Decided

    Mill Farm High Street Whitwell Hitchin Hertfordshire SG4 8AG

    Conversion and extension of existing barn/outbuilding to create one two-bedroom dwelling. (amended plans received 05.02.2026).

    15 Jan 2026 Full applications