Planning Applications in Knebworth, Hertfordshire

159 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PR

Single storey rear and front extensions following demolition of existing rear element.

66 Park Lane Knebworth Hertfordshire SG3 6PW

Details reserved by Condition 6 (Construction Method Statement) of outline planning permission reference 23/02946/OP granted on 18.06.2025.

45 Stockens Green Knebworth Hertfordshire SG3 6DQ

T1: Silver Birch - Reduce crown by around 30% (around 2-3m) to bring back into proportion and reduce wind and stress loading on the main stem connecti...

77 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PP

Erection of one detached three-bedroom dwelling including detached double garage with Air Source Heat Pump and soft and hard landscaping works followi...

Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FS

External wall insulation and timber boarding added to east wall. Front door design updated, bi-fold doors changed to 6 doors and addiotnal rooflight a...

6 Gun Meadow Avenue Knebworth Hertfordshire SG3 6BS

Single storey infil side extension to link existing garage to dwelling. Insertion of dormer windows to existing rear and side roofslopes. Alterations ...

8 The Stables Pottersheath Welwyn Hertfordshire AL6 9GR

Widen first floor (obscured) window on the SW elevation (as Non-Material Amendment to planning permission 26/00036/FPH granted 27/02/2026)

66 Park Lane Knebworth Hertfordshire SG3 6PW

Variation of conditions 1 and 14 (Revised Plans-Ecological Enhancements) of Reserved Matters application reference 25/01658/RM granted 28.11.2025 for ...

Land At Eiling Lodge Drivers End Codicote Hertfordshire SG4 8TP

Front extension to barn and change of use to a single dwellinghouse

57 Haygarth Knebworth Hertfordshire SG3 6HF

T1: Yew - Clear from path & reduce away from no 68. T2: Beech- Girdle ivy at 1.5m. T3: Oak - Remove 4x Elm, 3x Sycamore, 1x Norway Maple from under it...

6 Deards End Lane Knebworth Hertfordshire SG3 6NL

T1: Linden - Reduce by 1/3. T2: Sycamore - Remove. T10, T11: Sycamore - Remove. T12: Liquid Amber - Remove. T13: Elder - Remove. T16: Hawthorn - Remov...

4 Deards End Lane Knebworth Hertfordshire SG3 6NL

T25: Pear - Remove

25a Deards End Lane Knebworth Hertfordshire SG3 6NL

2x Fir - Reduce in height by 3m removing the over hanging branches.

Land Adjacent To 67 Park Lane Knebworth Hertfordshire SG3 6PW

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 ...

66 Park Lane Knebworth Hertfordshire SG3 6PW

Details reserved by condition 7 (Archaeological Written Scheme of Investigation) of reserved matters application reference no 25/01658/RM granted 28.1...

78 London Road Knebworth Hertfordshire SG3 6HB

Single storey rear extension. Alterations to existing garage including insertion of front window following removal of garage door and raising roof to ...

27 Lytton Fields Knebworth Hertfordshire SG3 6BA

Enlargement of existing front dormer windows and insertion of 2 no. front rooflights. Insertion of rear box dormer with 2 no. Juliette balconies. Repl...

23 Watton Road Knebworth Hertfordshire SG3 6AH

Rear roof extension including insertion of rear dormer window and side rooflights to facilitate additional accommodation at first floor level followin...

Briar Cottage Pottersheath Road Pottersheath Welwyn Hertfordshire AL6 9SU

Two-storey side/rear extension and insertion of first floor side window following demolition of existing shed and oil tank.

Land Adjacent To 6 Drivers End Codicote Hertfordshire

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

64 Stockens Green Knebworth Hertfordshire SG3 6DQ

Replace existing windows to front, side and rear elevations.

21 Danesbury Park Road Welwyn Hertfordshire AL6 9SH

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

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.

68 Stevenage Road Knebworth Hertfordshire SG3 6NN

Erection of single storey detached outbuilding for recreation use following demolition of existing detached outbuilding.

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

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.