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Planning application

18 Deards End Lane Knebworth Hertfordshire SG3 6NL

Granted North Hertfordshire 23/00142/LDCP Lawful Development Certificate Proposed

Works: Loft or dormer

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

Proposal

Installation of 2 No. rear roof lights to existing roof slope

As published by the council, reference 23/00142/LDCP

Application record

Reference
23/00142/LDCP
Type
Lawful Development Certificate Proposed
Status
Decided
Decision
Granted
Received
20 Jan 2023
Validated
20 Jan 2023
Decided
7 Mar 2023
Ward
Knebworth Ward Historic
Parish
Knebworth Parish Council
Decision by
Delegated
Postcode
SG3 6NL

Site history

Applications at this address on the North Hertfordshire register

This site has had 3 applications since 2023: 3 approved, 0 refused.

  • 26/01053/PNSL Granted

    18 Deards End Lane Knebworth Hertfordshire SG3 6NL

    Installation of 9 solar panels on flat roof below higher pitched roof

    Decided 26 May 2026 Prior approval
  • 24/02871/TCA Granted

    18 Deards End Lane Knebworth Hertfordshire SG3 6NL

    T1: Walnut - Reduce by 30%. T2 : Ash - Reduce by 30%

    Decided 16 Jan 2025 Trees

Timeline

Dates from the published record

  1. 20 Jan 2023

    Received by North Hertfordshire

  2. 7 Mar 2023

    Decision issued: Granted

  3. 24 Jul 2026

    Added to PlanIndex

Documents

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

7 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

North Hertfordshire granted permission on 7 March 2023, 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 lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 18 Deards End Lane Knebworth Hertfordshire SG3 6NL

    24/02871/TCA Submitted 18 Dec 2024 50 yards away

    T1: Walnut - Reduce by 30%. T2 : Ash - Reduce by 30%

    Granted Trees 3 docs

  • 18 Deards End Lane Knebworth Hertfordshire SG3 6NL

    26/01053/PNSL Submitted 1 Apr 2026 50 yards away

    Installation of 9 solar panels on flat roof below higher pitched roof

    Granted Prior approval 8 docs

  • 18a Deards End Lane Knebworth Hertfordshire SG3 6NL

    19/02562/TCA Submitted 23 Oct 2019 50 yards away

    T1 Ash - Crown reduce by up to 4m back to good viable growth points.

    Granted Trees 4 docs

  • 16 Deards End Lane Knebworth Hertfordshire SG3 6NL

    26/00995/TCA Submitted 15 Apr 2026 50 yards away

    T1: Cedar - Crown reduction by approx 7m, crown lift / raise canopy by approx 2m. Reduce lateral spread by approx 2m. Prune back to provide approx 0.5m clearance from the BT telephone line where branches are currently encroaching. T2: Thuja - Crown reduction by approx 5m. Crown lift / raise canopy by approx 2m. Reduce lateral spread by approx 2m.

    Granted Trees 4 docs

  • 14 Deards End Lane Knebworth Hertfordshire SG3 6NL

    26/00868/FPH Submitted 2 Apr 2026 100 yards away

    Erection of two storey side extension following demolition of existing ground floor side extension

    Refused Householder Extension Demolition 10 docs
    Domestic

  • 17 Deards End Lane Knebworth Hertfordshire SG3 6NL

    23/00873/FPH Submitted 24 Apr 2023 150 yards away

    Single storey rear extension, insertion of three rooflights to existing rear roofslope following removal of existing dormer window and erection of single storey side extension to facilitate double garage/utility/workshop following demolition of existing conservatory/garages/side extension. Alterations to fenestration

    Granted Householder Extension Loft or dormer +2
    Small domestic

In North Hertfordshire

  • 26/01469/LDCP Granted

    30 Pirton Road Hitchin Hertfordshire SG5 2BD

    Single storey rear extension. Extension to rear patio.

    Received 5 Jun, published by the council 24 Jul 2026 Lawful development
  • 26/01459/LDCP Granted

    80 Balmoral Road Hitchin Hertfordshire SG5 1XQ

    Single storey rear extension and insertion of three rooflights to existing rear element. Front porch extension.

    Received 4 Jun, published by the council 24 Jul 2026 Lawful development
  • 26/01426/LDCP Granted

    25 Balmoral Road Hitchin Hertfordshire SG5 1XG

    Insertion of rear box dormer and installation of 3 rooflights to front roof slope to facilitate conversion of loft space to habitable accommodation.

    Received 2 Jun, published by the council 24 Jul 2026 Lawful development
  • 26/01301/LDCP Granted

    47 Bingen Road Hitchin Hertfordshire SG5 2PR

    Single storey rear extension and alterations to existing fenestration.

    Received 2 Jun, published by the council 24 Jul 2026 Lawful development
  • 26/01247/LDCP Granted

    47 Bedford Road Hitchin Hertfordshire SG5 2TP

    Erection of single storey detached outbuilding.

    Received 20 May, published by the council 24 Jul 2026 Lawful development