New Planning Applications in Knebworth

Planning authority: North Hertfordshire

13 last 90 days
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3 last 14 days
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Showing 13 of 13 applications
26/00995/TCA 15 Apr 2026 Registered

16 Deards End Lane Knebworth Hertfordshire SG3 6NL

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 0.5...

North Hertfordshire 15 Apr 2026
26/00838/FPH 14 Apr 2026 Registered

12 Stevenage Road Knebworth Hertfordshire SG3 6AW

Installation of front brick wall including brick piers, coping stones, metal railings, and vehicular access gate following removal of existing timber ...

North Hertfordshire 14 Apr 2026
26/00768/LDCP 8 Apr 2026 Awaiting decision

35 Hornbeam Spring Knebworth Hertfordshire SG3 6AY

Insertion of side dormer to facilitate loft conversion

North Hertfordshire 8 Apr 2026
26/00639/FPH 27 Mar 2026 Registered

Chapel Barn Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA

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

North Hertfordshire 27 Mar 2026
26/00208/FPH 16 Mar 2026 Registered

80 London Road Knebworth Hertfordshire SG3 6HB

Two storey rear extension with Juliet balcony, front porch and addition of pitched roof to existing garage and replace garage door with a window to fa...

North Hertfordshire 16 Mar 2026
26/00659/LDCP 12 Mar 2026 Decided

53 Orchard Way Knebworth Hertfordshire SG3 6BT

Single storey rear extension

North Hertfordshire 12 Mar 2026
26/00653/LDCE 11 Mar 2026 Registered

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

Confirmation of material start on site of planning permission 24/01009/FP & Listed Building Consent 24/01010/LBC granted on 17.07.2024 for Infill cour...

North Hertfordshire 11 Mar 2026
26/00592/TPO 5 Mar 2026 Registered

Dormer Cottage Canonsfield Road Welwyn Hertfordshire AL6 0QA

Sweet Chestnut - Remove stem

North Hertfordshire 5 Mar 2026
26/00424/FPH 2 Mar 2026 Registered

Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FS

Erection of four bay cartlodge with habitable accommodation at first floor and external staircase following demolition of existing stables and store.

North Hertfordshire 2 Mar 2026
26/00392/FP 27 Feb 2026 Registered

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

Erection of one self-build dwelling including ancillary annexe following demolition of existing dwelling to including parking, hard and soft landscapi...

North Hertfordshire 27 Feb 2026
26/00383/LDCE 25 Feb 2026 Awaiting decision

12 Stevenage Road Knebworth Hertfordshire SG3 6AW

Front boundary brick wall and installation of gate and fencing.

North Hertfordshire 25 Feb 2026
26/00510/NMA 25 Feb 2026 Decided

85 London Road Knebworth Hertfordshire SG3 6HG

Change to external elevational materials from entirely black timber cladding to part black timber cladding and part white render (as Non-Material Amen...

North Hertfordshire 25 Feb 2026
26/00115/FP 25 Feb 2026 Registered

Land Adjacent 21 Danesbury Park Road Pottersheath Hertfordshire AL6 9SH

Erection of two detached dwellings with detached garages including parking and hard and soft landscaping.

North Hertfordshire 25 Feb 2026
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Data updated daily. Source: North Hertfordshire planning portal.