Planning Applications in SG3

Planning authorities: North Hertfordshire District Council, East Hertfordshire District Council, Welwyn Hatfield Borough Council

Search current and historic planning applications in the SG3 postcode district across North Hertfordshire, East Hertfordshire and Welwyn Hatfield - 11 in the last 90 days. Filter applications by date, status, development type, or number of homes, view them on the map, or create a free alert for new applications.

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Showing 11 of 11 applications
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
26/01555/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
6/2026/1038/HOUSE 15 Jun 2026 Pending

55 Garden Road Woolmer Green SG3 6JZ

Erection of a part two/single storey side and rear extension and new front porch following the demolition of existing single storey side extension and...

Welwyn Hatfield 15 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
26/01385/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
3/26/0652/HH 8 May 2026 Awaiting decision

14 Foldingshott Datchworth Hertfordshire SG3 6SR

Part single/part two storey rear extension and alterations to fenestration

Householder East Hertfordshire 8 May 2026
3/26/0619/HH 1 May 2026 Awaiting decision

12 Abbots Close Datchworth Hertfordshire SG3 6TA

Removal of conservatory, part single/part two storey rear extension, garage conversion into habitable space including raising of roof, patio area and ...

Householder East Hertfordshire 1 May 2026
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Data updated daily. Source: North Hertfordshire, East Hertfordshire and Welwyn Hatfield planning portals.