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Planning application

The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

Granted North Hertfordshire 24/02401/LDCP Lawful Development Certificate Proposed

Works: Windows or glazing

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

Proposal

Replace 3no garage doors with windows to facilitate conversion of existing detached garage into habitable accommodation

As published by the council, reference 24/02401/LDCP

Application record

Reference
24/02401/LDCP
Type
Lawful Development Certificate Proposed
Status
Decided
Decision
Granted
Received
24 Oct 2024
Validated
24 Oct 2024
Decided
26 Nov 2024
Ward
Knebworth Ward
Parish
Knebworth Parish Council
Decision by
Delegated
Postcode
SG3 6PP

Site history

Applications at this address on the North Hertfordshire register

This site has had 3 applications since 2024: 3 approved, 0 refused.

  • 24/02399/PNAA Granted

    The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

    Enlargement of detached bungalow by the construction of an additional storey to result in an overall height of 6.45 metres.

    Decided 3 Dec 2024 Prior approval
  • 24/02400/LDCP Granted

    The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

    Erection of single storey side and rear extension

    Decided 26 Nov 2024 Lawful development

Timeline

Dates from the published record

  1. 24 Oct 2024

    Received by North Hertfordshire

  2. 26 Nov 2024

    Decision issued: Granted

  3. 9 Aug 2026

    Added to PlanIndex

Documents

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

10 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

North Hertfordshire granted permission on 26 November 2024, 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

  • The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

    24/02400/LDCP Submitted 24 Oct 2024 50 yards away

    Erection of single storey side and rear extension

    Granted Lawful development Extension 10 docs
    Small domestic

  • The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

    24/02399/PNAA Submitted 24 Oct 2024 50 yards away

    Enlargement of detached bungalow by the construction of an additional storey to result in an overall height of 6.45 metres.

    Granted Prior approval 11 docs

  • Annexe At Cuckoo Hall 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

    26/00392/FP Submitted 27 Feb 2026 50 yards away

    Erection of one self-build dwelling including ancillary annexe following demolition of existing dwelling to including parking, hard and soft landscaping and installation of rear swimming pool.

    Granted Full applications New dwelling Demolition 22 docs
    Domestic

  • Annexe At Cuckoo Hall 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

    24/01662/LDCE Submitted 26 Jul 2024 100 yards away

    Certificate of Lawfulness for the existing use of the outbuilding as a self-contained residential unit

    Granted Lawful development 29 docs

  • Land Adjacent To 67 Park Lane Knebworth Hertfordshire SG3 6PW

    26/02035/FP Submitted 13 Aug 2026 150 yards away

    81% historically approved · decision due ~8 Oct

    Erection of building for church hall use including car parking, hard and soft landscaping, bin store and air source heat pump enclosure on south-west elevation. Alterations to existing vehicular access.

    Awaiting decision Full applications 12 docs

  • 66 Park Lane Knebworth Hertfordshire SG3 6PW

    26/01985/S73 Submitted 27 Aug 2026 200 yards away

    91% historically approved · decision due ~22 Oct

    Variation of conditions 1 and 14 (Revised Plans-Ecological Enhancements) of Reserved Matters application reference 25/01658/RM granted 28.11.2025 for reserved matters (appearance, landscaping, layout, scale and internal access) for the erection of 9 dwellings with associated landscaping, parking and amenity space pursuant of outline permission 23/02946/OP granted 19.06.2025.

    Awaiting decision Amendments 10 docs
    Several homes

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