Planning applications in SG3

The Conifers Gipsy Lane Knebworth Hertfordshire SG3 6DJ

T1: Eucalyptus - Fell

1 New Close Knebworth Hertfordshire SG3 6NU

Two storey side extension following demolition of existing porch. Insertion of front and rear dormer windows to facilitate conversion of loft space to habitable accommodation. Alterations to fenestration and external cladding.

The Conifers Gipsy Lane Knebworth Hertfordshire SG3 6DJ

Eucalyptus - Remove.

Park Gate House Park Lane Old Knebworth Knebworth Hertfordshire SG3 6QD

The Electronic Communications Code (Conditions and restrictions) Regulations 2003 (as amended) Regulation 5 Notice of Intention to Install Fixed Line Broadband Apparatus: install cabling to exterior wall.

25a Deards End Lane Knebworth Hertfordshire SG3 6NL

T1: Fir - Remove. T2: Fir - Remove branches overhanging driveway by 3-4m. Branches that face away reduce height by 3m

Knebworth Care Home 59 London Road Woolmer Green SG3 6JE

Reconfiguration and extension of the existing car parking provision to provide 10 additional parking spaces, relocation of cycle parking, enlarged refuse/bin store, associated hard and soft landscaping, removal of two existing trees, relocation of an existing shed, and associated site works

Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FS

R1: Robinia - Remove.

London Road Woolmer Green SG3 6JE

Creation of an agricultural access

159 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PR

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

Holly House 8 Swangleys Lane Knebworth Hertfordshire SG3 6AA

Erection of detached double garage following demolition of existing detached garage

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

Change of use land and siting of 8 storage containers. (Development already carried out).

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 connection.

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 following demolition of existing detached structures.

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 added to landing outside bedroom 6 (as Non-Material Amendment to Planning Permission 26/00817/FPH granted 03.06.2026)

6 Gun Meadow Avenue Knebworth Hertfordshire SG3 6BS

Single storey infill side extension to link existing garage to dwelling. Insertion of dormer windows to existing front, rear and side roofslopes. Alterations to fenestration.

1 Raffin Park Datchworth Hertfordshire SG3 6RR

Demolition of existing side extension and construction of replacement two storey side extension. Alterations to openings and new windows. Replacement cladding, render, brickwork and roof tiles. Widening of driveway.

Monttaber Bragbury Lane Datchworth Hertfordshire SG3 6QZ

Demolition of garage, side and rear brick structure, raising of roof and roof alterations to provide additional accommodation to first floor, erection of two-storey rear and side extension, ground floor side extension with attached garage and storage room, first floor rear balcony, roof lights to front and rear. Garden patio with outdoor kitchen with pergola. Erection of front gates and landscaped brick wall to front entrance

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 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.

16 Oak Road Woolmer Green SG3 6LS

Erection of part single, part two storey rear extension, new windows and doors to existing side and rear elevations and installation of rooflight within the rear roofslope

14 Deards End Lane Knebworth Hertfordshire SG3 6NL

Erection of two storey side extension following demolition of existing ground floor side extension

16 Oak Road Woolmer Green SG3 6LS

Erection of annexe

14 Foldingshott Datchworth Hertfordshire SG3 6SR

Variation of condition 2 (approved plans) pursuant to planning permission (ref: 3/26/0652/HH/Dated 31/07/2026) for (Part single/part two storey rear extension and alterations to fenestration). The amendments include changes from a flat roof to a pitched roof, incorporating rooflights.

Land off London Road Woolmer Green SG3 6JZ

Submission of details pursuant to condition 19 (effectiveness of the remediation), condition 22 (site investigation and post investigation assessment), condition 23 (drainage scheme) & condition 24 (construction details and specifications) on planning permission 6/2023/2552/OUTLINE

51-53 London Road Woolmer Green SG3 6JE

Retrospective application for the installation of palisade fencing and gates adjoining highway.

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 its crown & reduce lowest roadside limb that is resting in Sycamore by 2-3m & Second limb above Highway by 2-3m. T4, T5: Holly - Girdle ivy at 1.5m. T6: 4x Hornbeam- Reduce/re-pollard back to boundary. T7: Oak, 2x Sycamore - Remove from beneath Ash, Oak & Lime. T8: Philadelphus - Remove 2x ivy covered stems & 1x Ivy covered

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 - Remove. T17: Damson - Remove. T18: Silver Birch - Remove. T19: Apple - Remove. T20: Horse Chestnut - Reduce up to 1/3. T21: Oak - Reduce up to 1/3. T22: Horse Chestnut - Reduce up to 1/3. T23: Fir - Remove. T24: Hazel - Remove trunks.

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 elevation. Alterations to existing vehicular access.

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 28.11.2025.

Land off London Road Woolmer Green SG3 6JZ

Submission of details pursuant to condition number 20 (visibility splay), 21 (Travel Plan), 26 (maintenance of the streets) and 27 (refuse and recycling) on planning permission 6/2023/2552/OUTLINE

4 Evergreen Close Woolmer Green SG3 6JN

Crown reduction of a Silver Birch tree by up to 20% (approximately 2 - 3 metres) to reduce branch spread and weight. Work is required to manage size, prevent encroachment and maintain tree health Reduce overhanging branches by approximately 2 metres to prevent encroachment over the driveway and reduce pigeon fouling on vehicles The tree is close to the house and has grown too large for the garden so the works are required to manage its size and maintain its health TPO 105 T3

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 facilitate garage conversion. Erection of open-sided front porch and pitched roof above existing front bay window.

57 Pondcroft Road Knebworth Hertfordshire SG3 6DE

Single storey rear extension following demolition of existing side/rear element.

14 Foldingshott Datchworth Hertfordshire SG3 6SR

Non-material amendment to 3/26/0652/HH, changes from a flat roof to a pitched roof incorporating rooflights

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. Replacement flat roof above existing rear element and demolition of existing conservatory. Front porch extension and alterations to fenestration.

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 following removal of existing rear dormer window.

59 Nutcroft Datchworth Hertfordshire SG3 6TQ

Construction of two storey side and rear extension

64 Stockens Green Knebworth Hertfordshire SG3 6DQ

Replace existing windows to front, side and rear elevations.

13 Burnham Green Road Datchworth Hertfordshire SG3 6SE

Variation of Condition 2 (approved plans) pursuant to planning permission (ref: 3/25/1635/FUL Dated 01/04/2026) for (Demolition of existing dwelling and erection of 1 x detached replacement dwelling incorporating an air source heat pump and erection of a bin/cycle store). The amendments include changes to the design to indicate section of render and two sets of patio doors to rear.

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 Datchworth Green Datchworth Hertfordshire SG3 6TL

Certificate of lawfulness for proposed removal of chimney, roof replacement, alterations to fenestration, replacement of fence, and creation of new patio areas

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.

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 porch

Land At Old Knebworth Lane Knebworth Herts SG3 6NL

Ref: 18089 We write on behalf of our client Xela Energy Ltd to formally request an Environmental Impact Assessment (EIA) Screening Opinion from Stevenage Borough Council under Regulation 6 of the Town and Country Planning Regulations 2017

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 rear extension as non-material amendment to planning permission reference 25/03244/FPH granted on 12.02.2026).

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.