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Old Knebworth, Hertfordshire Planning Applications

Recent planning applications near Old Knebworth, Hertfordshire.

Hertfordshire · England · settlement

Planning applications in Old Knebworth are administered by Welwyn Hatfield Borough Council. View the full Welwyn Hatfield Borough Council planning applications page for approval rates and decision timelines.

About Old Knebworth

Old Knebworth is a quaint village located in the civil parish of Knebworth, situated just south of Stevenage in Hertfordshire. The parish encompasses several nearby villages, including Datchworth, Woolmer Green, and Codicote, and is home to the notable Knebworth House. As a focus for potential planning applications, Old Knebworth offers a blend of historical charm and community character within a well-connected area.

Enter a postcode to search for planning applications near Old 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 Old Knebworth.

Keyword Scorecard

Planning constraint analysis based on the last 24 months of applications near Old 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 Old Knebworth based on the last 24 months of planning data.

Nearby Applications

6 planning applications found near Old Knebworth.

  1. - Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FS
    Insertion of front bay window following removal of existing garage doors to facilitate garage conversion into habitable accommodation. Front entrance porch and installation of side canopy. Insertion o
    Status: Undecided | Type: Full | Council: North Hertfordshire | Date: 2026-03-27
    View full details
  2. - Larch Howe Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PS
    T1 Weeping Willow - Repollard to previous pollarding points, approx. 8m and remove deadwood. Reshape. T2 Weeping Willow - Repollard to previous pollarding points, approx. 8m. T3 Weeping Willow - Repol
    Status: Permitted | Type: Trees | Council: North Hertfordshire | Date: 2025-10-03
    View full details
  3. - Old School House Park Lane Old Knebworth Hertfordshire SG3 6PR
    Erection of five single storey terraced dwellings with associated landscaping, boundary fencing and cycle storage.
    Status: Rejected | Type: Full | Council: North Hertfordshire | Date: 2024-12-02
    View full details
  4. - 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
    Status: Permitted | Type: Amendment | Council: North Hertfordshire | Date: 2024-07-26
    View full details
  5. - Park Lane Reservoir And Booster Station Park Lane Old Knebworth Hertfordshire SG3 6PP
    Reduction of access to/from the highway from S278 (for commercial) to S184 for a single dwelling (as Non-Material Amendment to planning permission 22/01654/FP granted 16/08/22)
    Status: Permitted | Type: Amendment | Council: North Hertfordshire | Date: 2024-05-17
    View full details
  6. - 8 Manor Farm Stables Old Knebworth Knebworth Hertfordshire SG3 6SL
    Single-storey rear extension. Enlarge all existing roof lights and insertion of a rooflight to existing west roofslope. Alterations to fenestration including addition of a first floor window to existi
    Status: Conditions | Type: Full | Council: North Hertfordshire | Date: 2023-08-16
    View full details

Use the filter and sort options to search descriptions, addresses, and references. Sort by newest or oldest applications.

A brief summary of Old Knebworth in Hertfordshire

Old Knebworth is a quaint village located in the civil parish of Knebworth, situated just south of Stevenage in Hertfordshire. The parish encompasses several nearby villages, including Datchworth, Woolmer Green, and Codicote, and is home to the notable Knebworth House. As a focus for potential planning applications, Old Knebworth offers a blend of historical charm and community character within a well-connected area.

Property prices in Old 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 Old Knebworth a particularly low-crime area.

Old Knebworth has 3 conservation areas within its boundaries: Stockens Green Knebworth, Old 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 Old Knebworth includes 1 Sites of Special Scientific Interest (SSSI): Knebworth Woods SSSI; 8 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, Old 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 Old Knebworth

In the last 24 months, 16 planning applications were submitted near Old Knebworth. Of these, 78% were approved, with an average decision time of 48 days.

This is below the national average of approximately 87%, which may reflect stricter local policies, sensitivity of the area, or higher levels of speculative applications. Pre-application advice is particularly worthwhile near Old Knebworth.

The average decision time of 48 days is within the government's 8-week statutory target for minor applications, indicating an efficient planning department.

The most common application types near Old Knebworth were full planning applications (8), discharge of conditions (5), outline applications (1). 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, 2 medium-scale applications, 14 smaller schemes were submitted.

1 planning appeal was lodged, of which 0 were allowed and 1 was dismissed (0% success rate). This low success rate indicates that the council's refusal decisions are generally upheld by the Planning Inspectorate.

Nearby Towns

Explore planning applications in nearby areas:

  • Rableyheath planning applications
  • Driver's End planning applications
  • Nup End planning applications
  • The Node planning applications
  • Knebworth planning applications
  • Pottersheath planning applications
  • Codicote planning applications
  • Woolmer Green 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.

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