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Planning applications in SG3

Page 2 of 5, newest first. Back to the SG3 overview.

Applications in SG3

Newest first · page 2 of 5

  • 26/00208/FPH Decided

    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 facilitate conversion of garage into habitable accommodation following removal of existing porch. (renewal of previously approved planning permission 22/01469/FPH granted 26.07.2022)

    Submitted 16 Mar 2026 Householder
  • 26/00424/FPH Decided

    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.

    Submitted 2 Mar 2026 Householder
  • 26/00392/FP Decided

    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 landscaping and installation of rear swimming pool.

    Submitted 27 Feb 2026 Full applications
  • 26/00260/FP Decided

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

    Erection of building for general industrial use including car parking, refuse, cycle storage and landscaping.

    Submitted 20 Feb 2026 Full applications
  • 67 London Road Woolmer Green SG3 6HG

    Erection of two single storey rear extensions

    Submitted 2 Feb 2026 Householder
  • Land off London Road Woolmer Green SG3 6JZ

    Submission of details pursuant to Condition 2 (LEMP) and 8 (refuse and recycling) on planning permission 6/2025/1501/RM

    Submitted 27 Jan 2026 Conditions
  • 26/00029/DOC Granted

    150-152 London Road Knebworth Hertfordshire SG3 6EY

    Details reserved by Condition 4 (Noise Assessment) of planning permission 25/00255/FP granted 25.4.2025.

    Submitted 15 Jan 2026 Conditions
  • Land off London Road Woolmer Green SG3 6JZ

    Submission of details pursuant to condition number 5 (Construction Traffic Management Plan), 7 (Crossing Point), 8 (Bus Stop Upgrade), 14 (Surface Water Management Plan), 15 (Contamination), 16 (Site Waste Management Plan), 17 (Fire Hydrants) and 18 (Accessible Housing) on planning permission 6/2023/2552/OUTLINE

    Submitted 3 Dec 2025 Conditions
  • 25/02589/DOC Awaiting decision

    150-152 London Road Knebworth Hertfordshire SG3 6EY

    Details reserved by condition 5 (Cycle Parking) of planning permission reference 25/00255/FP granted 25.04.2025.

    Submitted 28 Oct 2025 Conditions
  • 25/02685/DOC Awaiting decision

    150-152 London Road Knebworth Hertfordshire SG3 6EY

    Details reserved by condition 6 (Construction Management Statement) of planning permission reference 25/00255/FP granted 25.04.2025.

    Submitted 28 Oct 2025 Conditions
  • 25/01841/ADJ Awaiting decision

    Land Off London Road Woolmer Green Knebworth Hertfordshire SG3 6JZ

    Approval of reserved matters (layout, scale, appearance and landscaping) for residential development pursuant to condition 1 (reserved matters), condition 2 (submission of reserved matters), condition 3 (reserved matters layout), condition 4 (landscaped buffer), condition 6 (detailed engineering details), condition 9 (Biodiversity), condition 10 (Health Impact Assessment), condition 11 (written scheme of investigation), condition 13 (surface water) and condition 25 (noise assessment) of outline planning permission (ref: 6/2023/2552/OUTLINE) comprising 150 dwellings, public open space, car parking ,and associated infrastructure works. NORTH HERTS DISTRICT COUNCIL : ADJACENT AUTHORITY : CONSULTEE ONLY

    Submitted 21 Jul 2025 Outline
  • Land off London Road Woolmer Green SG3 6JZ

    Submission of details pursuant to condition number 11 (Archaeological Written Scheme of Investigation) on planning permission 6/2023/2552/OUTLINE

    Submitted 5 Jun 2025 Conditions
  • 25/01358/ADJ Awaiting decision

    Land Off London Road Woolmer Green Knebworth Hertfordshire SG3 6JZ

    Outline planning application for the erection of up to 150 residential dwellings with the provision of affordable housing, public open space, landscaping, sustainable drainage system (SuDS) and vehicular access point. All matters reserved except for means of access. NORTH HERTS DISTRICT COUNCIL: ADJACENT AUTHORITY : CONSULTEE ONLY.

    Submitted 21 May 2025 Outline
  • 6/2025/0847/OUTLINE Awaiting decision

    Land adjacent to 52 London Road Knebworth SG3 6HG

    Outline application for residential development of up to 25 dwellings and open space with all matters reserved except access

    Submitted 2 May 2025 Outline
  • 6/2025/0603/MAJ Awaiting decision

    61 London Road Knebworth SG3 6JE

    Phased rear extension to existing chocolate factory with additional parking area and associated works

    Submitted 31 Mar 2025 Full applications
  • 25/00747/DOC Awaiting decision

    11 Swangleys Lane Knebworth Hertfordshire SG3 6AA

    Details reserved by condition 10 (Landscape and Ecological management Plan) of planning permission reference no 24/00664/FP granted 19.06.2024.

    Submitted 6 Mar 2025 Conditions
  • 3/24/2083/NMA Refused

    4 Bury Lane Datchworth Hertfordshire SG3 6ST

    A non-material amendment to 3/22/2641/FUL - Addition of chimney to winter room to serve log burner, changes to external material locations, changes to windows and doors in terms of their configuration.

    Submitted 14 Nov 2024 Amendments
  • 24/02539/LDCP Granted

    Craiglithy Gipsy Lane Knebworth Hertfordshire SG3 6DJ

    Erection of detached garden room

    Submitted 8 Nov 2024 Lawful development
  • 6/2024/2136/TPO Granted

    Kellard House London Road Woolmer Green SG3 6FP

    T1 Oak to crown reduce on western side, over residential gardens, by 1m leaving a minimum 2m crown radius, and to crown lift the tree to 4m any branching material with a diameter less than 4cm. (Covered by TPO 515 (2016) A2)

    Submitted 6 Nov 2024 Trees
  • 24/02402/DOC Granted

    Nup End Farm House Nup End Old Knebworth Hertfordshire SG3 6QJ

    Details reserved by condition 8 (Contamination) of planning permission reference no 22/02126/S73 granted 29.09.2022

    Submitted 24 Oct 2024 Conditions
  • 24/02399/PNAA Granted

    The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

    Enlargement of detached bungalow by the construction of an additional storey to result in an overall height of 6.45 metres.

    Submitted 24 Oct 2024 Prior approval
  • 24/02401/LDCP Granted

    The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

    Replace 3no garage doors with windows to facilitate conversion of existing detached garage into habitable accommodation

    Submitted 24 Oct 2024 Lawful development
  • 24/02400/LDCP Granted

    The Cottage 73 Park Lane Old Knebworth Hertfordshire SG3 6PP

    Erection of single storey side and rear extension

    Submitted 24 Oct 2024 Lawful development
  • 3/24/1939/CLPO Refused

    25 Burnham Green Road Datchworth Hertfordshire SG3 6SE

    Removal of chimneys. Conversion of loft with alterations to roof with erection of clipped gable ends and creation of 3 rear dormers, insertion of roof lights to front. Raising of kitchen roof and insertion of roof lantern.

    Submitted 17 Oct 2024 Outline
  • 22B London Road Woolmer Green SG3 6JP

    Change of use from commercial, business and service (Use Class E) to dwellinghouse (Use Class C3) to form one dwelling

    Submitted 16 Oct 2024
  • 24/02162/DOC Granted

    1 Oakfields Road Knebworth Hertfordshire SG3 6NS

    Details reserved by condition 3 (Materials) of planning permission reference no 23/02892/FPH granted 13.02.2024

    Submitted 14 Oct 2024 Conditions
  • 24/02136/TCA Granted

    Knebworth Golf Club Deards End Lane Knebworth Hertfordshire SG3 6NL

    3 x Leyland Cypress - Remove in sections to ground level

    Submitted 24 Sep 2024 Trees
  • 24/02139/NMA Decided

    18 Oakfields Road Knebworth Hertfordshire SG3 6NS

    Configuration of rear extension roof amended; workshop footprint reduced with fenestration changes and solar panels added (as Non-Material Amendment to planning permission 23/01869/FPH granted 27.09.2023)

    Submitted 24 Sep 2024 Amendments
  • 3/24/1733/HH Refused

    2A Raffin Park Datchworth Hertfordshire SG3 6RR

    Two storey front extension, enlargement of garage, first floor extension incorporating roof lantern, roof lights, 3 dormer windows to rear and Juliet balcony to front.

    Submitted 12 Sep 2024 Householder
  • 24/01997/DOC Granted

    Nup End Farm House Nup End Old Knebworth Hertfordshire SG3 6QJ

    Details reserved by Condition 3 (Materials Samples) of planning permission reference 22/02126/S73 granted planning permission on 29.09.2022.

    Submitted 6 Sep 2024 Conditions
  • 24/02095/DOC Granted

    Nup End Farm House Nup End Old Knebworth Hertfordshire SG3 6QJ

    Details reserved by Condition 7 (Construction Method Statement) of planning permission reference 22/02126/S73 granted planning permission on 29.09.2022.

    Submitted 6 Sep 2024 Conditions
  • 24/02094/DOC Granted

    Nup End Farm House Nup End Old Knebworth Hertfordshire SG3 6QJ

    Details reserved by Condition 6 (Construction Traffic Management Plan) of planning permission reference 22/02126/S73 granted planning permission on 29.09.2022.

    Submitted 6 Sep 2024 Conditions
  • 24/02093/DOC Granted

    Nup End Farm House Nup End Old Knebworth Hertfordshire SG3 6QJ

    Details reserved by Condition 5 (Highways works) of planning permission reference 22/02126/S73 granted planning permission on 29.09.2022.

    Submitted 6 Sep 2024 Conditions
  • 24/02092/DOC Granted

    Nup End Farm House Nup End Old Knebworth Hertfordshire SG3 6QJ

    Details reserved by Condition 4 (Landscape Details) of planning permission reference 22/02126/S73 granted planning permission on 29.09.2022.

    Submitted 6 Sep 2024 Conditions
  • 24/01922/LDCP Granted

    2 Stockens Dell Knebworth Hertfordshire SG3 6BG

    Single storey rear extension

    Submitted 28 Aug 2024 Lawful development
  • 24/01232/LBC Granted

    Manor Gardens Cottage Park Lane Old Knebworth Knebworth Hertfordshire SG3 6QB

    Replace 4no. timber windows (2no. front dormer windows, 1no. rear dormer window and 1no. first floor window on side elevation) with 12mm slimline double-glazed timber windows (as amended by drawing of Window 4 received by email on 17/12/2024).

    Submitted 20 Aug 2024 Heritage and listed buildings
  • 24/01663/DOC Granted

    15 Wadnall Way Knebworth Hertfordshire SG3 6DU

    Details reserved by condition 3 (Landscape Details) of planning permission reference no 19/03022/FP granted 30.03.2020

    Submitted 19 Aug 2024 Conditions
  • 24/01834/LDCP Granted

    11 Oak Tree Gardens Knebworth Hertfordshire SG3 6EQ

    Erection of single storey rear conservatory

    Submitted 16 Aug 2024 Lawful development
  • 24/01773/FPH Withdrawn

    19 Stockens Green Knebworth Hertfordshire SG3 6DQ

    Part two storey and part first floor rear extension. Single storey side extensions following demolition of existing detached garage and alterations to fenestration.

    Submitted 8 Aug 2024 Householder
  • 24/01664/FPH Decided

    21a Deards End Lane Knebworth Hertfordshire SG3 6NL

    Replace existing timber windows with triple glazed dark grey aluminium windows

    Submitted 29 Jul 2024 Householder
  • 24/01662/LDCE Granted

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

    Certificate of Lawfulness for the existing use of the outbuilding as a self-contained residential unit

    Submitted 26 Jul 2024 Lawful development
  • 59 London Road Woolmer Green Knebworth SG3 6JE

    Confirmation that condition 11 (contaminated land) on planning application N6/2009/0950/MA has been discharged

    Submitted 19 Jul 2024 Conditions
  • 4 Bridge Road Woolmer Green SG3 6JG

    Erection of a porch extension

    Submitted 9 Jul 2024 Householder
  • 3/24/0978/OUT Refused

    Land Adj To 72 Nutcroft Datchworth Hertfordshire SG3 6TG

    Outline planning application for the demolition of shed and erection of 1 detached residential dwelling. Alterations to existing dwellinghouse including demolition of side extension with all matters reserved except access and layout.

    Submitted 22 May 2024 Outline
  • 24/00952/FPH Decided

    14 Oakfields Avenue Knebworth Hertfordshire SG3 6NP

    Retention of anthracite grey windows and doors

    Submitted 29 Apr 2024 Householder
  • 3/24/0752/FUL Granted

    Land Adjacent To 4 Datchworth Green Datchworth Hertfordshire SG3 6TL

    Change of use and extension of existing public house car park and part of an existing residential garden to create new community car park, incorporating new hard surfacing, vehicle access/crossover, cycle parking and detached double garage, new Parish Council noticeboard, new 2 metre height down lights and fencing.

    Submitted 17 Apr 2024 Full applications
  • 46 New Road Woolmer Green SG3 6LB

    Erection of single storey front extension, extension and alterations to front/side dormers, two storey rear extension, alterations to window and door openings following demolition of verandah

    Submitted 25 Mar 2024 Householder
  • 23/00541/FP Decided

    Highfield Nurseries Slip Lane Old Knebworth Hertfordshire SG3 6QG

    Change of use from office to one detached 2-bed dwelling including insertion of three front dormer windows and front entrance canopy.

    Submitted 15 Mar 2023 Full applications
  • 23/00446/FPH Decided

    21 Wadnall Way Knebworth Hertfordshire SG3 6DU

    Two storey side and rear extension and part single storey rear extension following demolition of existing single storey side and rear element. Insertion of rear dormer window and three rooflights to front roofslope to facilitate loft conversion.

    Submitted 7 Mar 2023 Householder
  • 23/00394/LBC Granted

    Deards End Farm 51 Park Lane Knebworth Hertfordshire SG3 6PH

    Replace cementitious render on rear elevation with lime render on timber laths.

    Submitted 7 Mar 2023 Heritage and listed buildings