Our Data Sources
40, Datchworth Green, Knebworth has no records in the the Land Registry and a single entry in the EPC database dated January 2024.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 40, Datchworth Green, Knebworth would be worth £1,659,369, with a potential rental value of £4,828 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,469,727, with a rental value of £4,276 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
40, Datchworth Green, Knebworth occupies a 1,100 m2 plot as recorded by HM Land Registry.
Of the 42 other houses in this postcode, 33 have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
40, Datchworth Green, Knebworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Jan 2024.
The property is connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 17 sales of comparable properties within 2.0 kilometres of 40, Datchworth Green, Knebworth across the last 2 years.
Most recently, 19, Bishops Road, Welwyn, AL6 0NR, a freehold house, sold at £1,675,000 on the 9th July 2025.
Read more about house prices in SG3.
- Sold Jul 2025£1,675,000 | 5 Bed House19, Bishops Road, Welwyn, AL6 0NR19, Bishops Road, Welwyn, AL6 0NR
- Sold Mar 2025£2,870,000 | 5 Bed House120, Bramfield Road, Knebworth, SG3 6SA120, Bramfield Road, Knebworth, SG3 6SA
- Sold Nov 2020£1,475,000 | 5 Bed HouseOrchard House, Bramfield Road, Knebworth, SG3 6RXOrchard House, Bramfield Road, Knebworth, SG3 6RX
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 40, Datchworth Green, Knebworth as the largest and the most expensive of the 43 addresses on Datchworth Green, Datchworth, Knebworth, SG3.
Against the SG3 postcode district average, it is £1.035m more expensive than the typical property.
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Schools Nearby
- All Saints Church of England Voluntary Aided Primary School, Datchworth900 m away
- St Michael's Woolmer Green CofE VA Primary School1.4 km away
- Knebworth Primary and Nursery School2.2 km away
- Barnwell School4.6 km away
- Monk's Walk School4.7 km away
- Ridgeway Academy5.4 km away
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Public Transport Nearby
- Knebworth|2.6 km away
- Watton-at-Stone|3.0 km away
- Welwyn North|3.6 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
