Knebworth, Hertfordshire Planning Applications
Recent planning applications near Knebworth, Hertfordshire.
Hertfordshire · England · settlement
Planning applications in Knebworth are administered by North Hertfordshire District Council. View the full North Hertfordshire District Council planning applications page for approval rates and decision timelines.
About Knebworth
Knebworth is a picturesque village and civil parish located in north Hertfordshire, just south of Stevenage. The parish encompasses a diverse area that includes the village of Knebworth, the smaller Old Knebworth, and the historic Knebworth House, while also bordering the villages of Datchworth, Woolmer Green, Codicote, Kimpton, Whitwell, St Paul's Walden, and Langley. This vibrant community offers a unique blend of rural charm and accessibility, making it a notable area for planning applications.
Population: 4,538 (2021)
District: North Hertfordshire
Enter a postcode to search for planning applications near Knebworth.
Town Insights
Property Prices
Average property sale price: £492,304 (based on 50 recent transactions from HM Land Registry).
Area Information
- Admin district: Welwyn Hatfield
- Parliamentary constituency: Welwyn Hatfield
- LSOA: Welwyn Hatfield 001C
Crime Statistics
0 crimes reported in 2026-02.
Flood Risk
No active flood warnings near Knebworth.
Keyword Scorecard
Planning constraint analysis based on the last 24 months of applications near Knebworth.
- Ecology & Wildlife Constraints (keywords: bats, bat survey, bat roost, great crested newt, GCN...)
- Trees & Landscape (keywords: tree preservation order, TPO, arboricultural, tree survey, root protection area...)
- Flood & Drainage (keywords: flood zone 2, flood zone 3, flood risk assessment, FRA, surface water...)
- Heritage & Conservation (keywords: listed building, grade II, grade II*, grade I, conservation area...)
- Green Belt (keywords: green belt, inappropriate development, very special circumstances, openness)
- Highways & Access (keywords: visibility splays, highway authority objection, access arrangement, parking provision, transport statement...)
- Refusal & Risk Indicators (keywords: refusal, delegated refusal, appeal dismissed, overdevelopment, character and appearance...)
- Planning Process & Appeals (keywords: appeal lodged, appeal allowed, appeal dismissed, public inquiry, inspector)
Planning Activity Summary
Approval rates, average decision times, and application type distribution for Knebworth based on the last 24 months of planning data.
Nearby Applications
14 planning applications found near Knebworth.
- - 2 Church Gardens Stevenage Road Knebworth Hertfordshire SG3 6AR
2 x Hornbeam - Reduce by 3.5m height
Status: Undecided | Type: Trees | Council: North Hertfordshire | Date: 2026-04-17
View full details - - 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 picket fence and vehicular gate.
Status: Undecided | Type: Full | Council: North Hertfordshire | Date: 2026-04-14
View full details - - 12 Stevenage Road Knebworth Hertfordshire SG3 6AW
Front boundary brick wall and installation of gate and fencing.
Status: Undecided | Type: Amendment | Council: North Hertfordshire | Date: 2026-02-25
View full details - - 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.
Status: Undecided | Type: Conditions | Council: North Hertfordshire | Date: 2026-01-15
View full details - - 3 Swangleys Lane Knebworth Hertfordshire SG3 6AA
Single storey rear extension following partial demolition of existing rear element and removal of existing lean-to, outbuildings, and chimney
Status: Conditions | Type: Full | Council: North Hertfordshire | Date: 2025-12-10
View full details - - 148 - 150 London Road Knebworth Hertfordshire SG3 6EY
Installation of 1 no. internally illuminated fascia sign and 1 no. internally illuminated projection sign. (Development already carried out)
Status: Conditions | Type: Advertising | Council: North Hertfordshire | Date: 2025-12-10
View full details - - 9 Watton Road Knebworth Hertfordshire SG3 6AH
Single store rear extension following demolition of existing rear extension. Rear box dormer and 3 front roof lights to facilitate conversion of loft into habitable accommodation.
Status: Conditions | Type: Full | Council: North Hertfordshire | Date: 2025-11-14
View full details - - 4 Oakfields Avenue Knebworth Hertfordshire SG3 6NP
Single storey side/rear infill extension.
Status: Conditions | Type: Full | Council: North Hertfordshire | Date: 2025-09-02
View full details - - 129 London Road Knebworth Hertfordshire SG3 6EX
Single storey side extension to existing restaurant.
Status: Conditions | Type: Full | Council: North Hertfordshire | Date: 2025-04-16
View full details - - Land In Front Of 114 London Road Knebworth Hertfordshire SG3 6HB
Installation of 10m pole
Status: Permitted | Council: North Hertfordshire | Date: 2025-04-01
View full details - - 11 Oakfields Avenue Knebworth Hertfordshire SG3 6NP
Single storey rear extension and alterations to raised decking following demolition of existing conservatory. Alterations to fenestration, new front door canopy. Erection of detached double garage in
Status: Conditions | Type: Full | Council: North Hertfordshire | Date: 2025-02-26
View full details - - The Studios 1 Stevenage Road Knebworth Hertfordshire SG3 6AN
Conversion of existing building (use class E) into 1 x 1-bed and 1 x 4-bed flats (use class C3).
Status: Permitted | Type: Outline | Council: North Hertfordshire | Date: 2024-06-07
View full details - - Land At 137 London Road Knebworth Hertfordshire
Installation of externally illuminated fascia sign
Status: Conditions | Type: Advertising | Council: North Hertfordshire | Date: 2024-03-27
View full details - - 125 London Road Knebworth Hertfordshire SG3 6EX
Change of use of existing ground floor betting shop to drinking establishment and hot food takeaway
Status: Withdrawn | Type: Full | Council: North Hertfordshire | Date: 2023-05-16
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A brief summary of Knebworth in Hertfordshire
Knebworth is a picturesque village and civil parish located in north Hertfordshire, just south of Stevenage. The parish encompasses a diverse area that includes the village of Knebworth, the smaller Old Knebworth, and the historic Knebworth House, while also bordering the villages of Datchworth, Woolmer Green, Codicote, Kimpton, Whitwell, St Paul's Walden, and Langley. This vibrant community offers a unique blend of rural charm and accessibility, making it a notable area for planning applications. The settlement has a population of approximately 4,538 (2021 estimate). It sits within the North Hertfordshire district.
Property prices in Knebworth show an average sale price of £492,304, based on 50 recent transactions recorded by HM Land Registry.
There were no crimes reported in the immediate area during the most recent reporting period. This makes Knebworth a particularly low-crime area.
Knebworth has 3 conservation areas within its boundaries: Broadwater (Marymead), Stockens Green Knebworth, Deard's End Lane, Knebworth. Planning applications within or near these conservation areas are subject to additional scrutiny to preserve the architectural and historic character of the area. Homeowners and developers should be aware that permitted development rights may be restricted.
Ecology & Nature Designations
The area around Knebworth includes 2 Ancient Woodland sites. These designations may affect planning decisions, as proposals near protected sites require environmental impact assessment and may face additional restrictions.
For anyone interested in property development or monitoring local planning decisions, Knebworth planning applications can be searched by entering a local postcode above. Results include full application details, decision status, and the ability to track applications over time and set planning alerts to help you monitor and review pending planning applications.
Planning Activity in Knebworth
In the last 24 months, 44 planning applications were submitted near Knebworth. Of these, 93% were approved, with an average decision time of 41 days.
This is notably above the national average of approximately 87%, suggesting a relatively permissive planning environment. Applicants near Knebworth may find that well-prepared applications have a strong chance of success.
The average decision time of 41 days is within the government's 8-week statutory target for minor applications, indicating an efficient planning department.
The most common application types near Knebworth were full planning applications (22), amendments (7), outline applications (4). Full planning applications account for 50% of all submissions, covering new builds, change of use, and works that go beyond permitted development rights.
In terms of development scale, 3 medium-scale applications, 41 smaller schemes were submitted.
1 planning appeal was lodged, of which 1 was allowed and 0 were dismissed (100% success rate). This relatively high appeal success rate suggests that the local authority may be refusing some applications that the Planning Inspectorate considers acceptable.
Nearby Towns
Explore planning applications in nearby areas:
- Bragbury End planning applications
- Hook's Cross planning applications
- Old Knebworth planning applications
- Broadwater planning applications
- Woolmer Green planning applications
- Datchworth planning applications
- Rableyheath planning applications
- Mardleybury planning applications
Related Planning Guides
- What Is Planning Permission in the UK? — Planning permission is the formal approval you need from your local council before making certain changes to a building or piece of land.
- What Is Permitted Development? — Permitted development rights allow certain building works and changes of use without the need to apply for planning permission.
- How Long Does Planning Permission Take? — Typical timelines for planning permission decisions in the UK, from submission to approval, and what can cause delays.