Our Data Sources
3, Old Lane, Knebworth has a single entry in the Land Registry from September 2008 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 3, Old Lane, Knebworth, we estimate a market value of £781,640 and a rental value of £2,822 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £692,310 and £2,500 per month respectively.
Plot Size
HM Land Registry records the plot of land for 3, Old Lane, Knebworth as measuring 1,582 m2.
That makes it the largest plot in the postcode, where all 5 other houses have recorded plot data.
Sold Prices
The most recent sale of 3, Old Lane, Knebworth completed on 5th September 2008 at £442,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 36.4% over the period since September 2008.
- Sold Sep 2008£442,000
Similar Properties Sold Nearby
Since 2012 77 properties similar to 3, Old Lane, Knebworth have sold within a radius of 1.0 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 20th February 2026, was 7A, Stockens Green, Knebworth, SG3 6DG, a freehold house which sold for £846,500.
Read more about house prices in SG3.
- Sold Feb 2026£846,500 | 4 Bed House7A, Stockens Green, Knebworth, SG3 6DG7A, Stockens Green, Knebworth, SG3 6DG
- Sold Aug 2025£825,000 | 4 Bed House91, London Road, Knebworth, SG3 6HG91, London Road, Knebworth, SG3 6HG
- Sold Apr 2024£700,000 | 4 Bed House2, Oak Tree Gardens, Knebworth, SG3 6EQ2, Oak Tree Gardens, Knebworth, SG3 6EQ
- Sold Mar 2024£800,000 | 4 Bed House19, St. Martins Road, Knebworth, SG3 6ER19, St. Martins Road, Knebworth, SG3 6ER
- Sold Oct 2023£630,000 | 4 Bed House2 Church Place, New Close, Knebworth, SG3 6NX2 Church Place, New Close, Knebworth, SG3 6NX
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £861,777, ranging from £728,613 to £1,041,944.
- 1 Old Lane
5 Bed House | 9 m | Est. Value: £887,989
- 1A Old Lane
5 Bed House | 30 m | Est. Value: £885,009
- 11 Swangleys Lane
4 Bed House | 66 m | Est. Value: £821,033
- 18 St. Martins Road
4 Bed House | 69 m | Est. Value: £802,754
- 9 Swangleys Lane
5 Bed House | 79 m | Est. Value: £1,041,944
Location Comparison
Of the 7 addresses on Old Lane, Knebworth, SG3, 3, Old Lane, Knebworth comes out as the 5th largest and the 4th most expensive in our analysis of the public data.
It is also £346k more expensive than the average property across the SG3 district.
More reading links
Schools Nearby
- Knebworth Primary and Nursery School200 m away
- All Saints Church of England Voluntary Aided Primary School, Datchworth1.3 km away
- St Michael's Woolmer Green CofE VA Primary School1.6 km away
- Barnwell School2.8 km away
- Marriotts School4.3 km away
- The Nobel School5.2 km away
More reading links
Public Transport Nearby
- Knebworth|600 m away
- Watton-at-Stone|4.2 km away
- Stevenage|4.5 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
