Planning Applications in Knebworth, Hertfordshire

Planning authority: North Hertfordshire District Council

Search current and historic planning applications in Knebworth, Hertfordshire, published by North Hertfordshire District Council - 16 in the last 90 days. Explore them on the map, apply detailed filters, or receive free alerts for new proposals.

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Showing 16 of 16 applications
26/01552/FP 21 Jul 2026 Registered

Land Adjacent To 6 Drivers End Codicote Hertfordshire

Erection of one self-build detached dwelling including detached garage, parking and landscaping

Full Planning Permission North Hertfordshire 21 Jul 2026
26/01579/FPH 15 Jul 2026 Registered

64 Stockens Green Knebworth Hertfordshire SG3 6DQ

Replace existing windows to front, side and rear elevations.

North Hertfordshire 15 Jul 2026
26/01621/LDCP 8 Jul 2026 Approved

21 Danesbury Park Road Welwyn Hertfordshire AL6 9SH

Two storey rear extension following removal of existing single storey rear elements

Lawful Development Certificate Proposed North Hertfordshire 8 Jul 2026
26/01555/FPH 6 Jul 2026 Registered

76 Pondcroft Road Knebworth Hertfordshire SG3 6DE

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

Full Permission Householder North Hertfordshire 6 Jul 2026
26/01590/FPH 22 Jun 2026 Registered

68 Stevenage Road Knebworth Hertfordshire SG3 6NN

Erection of single storey detached outbuilding for recreation use.

Full Permission Householder North Hertfordshire 22 Jun 2026
26/01543/DOC 16 Jun 2026 Awaiting decision

Nup End Industrial Estate Nup End Old Knebworth Knebworth Hertfordshire SG3 6QJ

Details reserved by BNG Condition of planning permission reference 26/00260/FP granted 28.04.2026.

Details of Condition North Hertfordshire 16 Jun 2026
26/01554/LDCP 16 Jun 2026 Awaiting decision

76 Pondcroft Road Knebworth Hertfordshire SG3 6DE

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

Lawful Development Certificate Proposed North Hertfordshire 16 Jun 2026
26/01499/SO 10 Jun 2026 Registered

Land Between Knebworth Golf Club And A1M Old Knebworth Lane Knebworth Hertfordshire

Screening Opinion: Proposed solar photovoltaic farm and associated infrastructure.

Screening Opinion North Hertfordshire 10 Jun 2026
26/01483/NMA 8 Jun 2026 Decided

27 Lytton Fields Knebworth Hertfordshire SG3 6BA

No raising of roof required, flat roof dormers (as existing design), Juliette balconies to rear dormer, extension of porch roof and no single storey r...

North Hertfordshire 8 Jun 2026
26/00705/FP 5 Jun 2026 Registered

Connor Gardens Danesbury Park Road Welwyn Hertfordshire AL6 9SN

Change of use of land to residential static caravans/park homes to include footpath extension, parking, improved access points and associated landscap...

Full Planning Permission North Hertfordshire 5 Jun 2026
26/01385/FPH 27 May 2026 Decided

60 London Road Knebworth Hertfordshire SG3 6HJ

Erection of attached single storey garage to side elevation following demolition of existing detached side single storey shed.

North Hertfordshire 27 May 2026
26/00639/FPH 12 May 2026 Approved

Chapel Barn Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA

Erection of detached ancillary garden annex with decking and associated access steps

Full Permission Householder North Hertfordshire 12 May 2026
26/01202/FPH 11 May 2026 Decided

Southernwood Pottersheath Road Pottersheath Welwyn Hertfordshire AL6 9ST

Single storey rear extension, alterations to fenestrations including insertion of rear first floor Juliet balcony and external cladding

North Hertfordshire 11 May 2026
26/01175/S73 6 May 2026 Decided

Robin Hood And Little John Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UB

Variation of Condition 2 (the new position of the building requires the approved drawing numbers to change) of planning permission 25/02741/FP granted...

North Hertfordshire 6 May 2026
26/01038/LDCP 5 May 2026 Refused

21 Danesbury Park Road Welwyn Hertfordshire AL6 9SH

Two storey rear extension following demolition of existing rear elements.

Lawful Development Certificate Proposed North Hertfordshire 5 May 2026
26/01131/PIP 30 Apr 2026 Approved

Land At The Rear Of 25 Danesbury Park Road Welwyn Hertfordshire AL6 9SH

Erection of up to 2 dwellings and associated infrastructure

Permission in Principle North Hertfordshire 30 Apr 2026
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Data updated daily. Source: North Hertfordshire District Council planning portal.