Our Data Sources
18, Stevenage Road, Knebworth has a single entry in the Land Registry from June 2020 and a single entry in the EPC database dated February 2026.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 18, Stevenage Road, Knebworth would be worth £1,039,460, with a potential rental value of £3,025 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £920,665, with a rental value of £2,679 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Stevenage Road, Knebworth occupies a 921 m2 plot as recorded by HM Land Registry.
Of the 14 other houses in this postcode, 13 have recorded plot sizes, and this one ranks as the 8th largest.
Energy Efficiency
18, Stevenage Road, Knebworth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 Feb 2026.
The property is connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
18, Stevenage Road, Knebworth last changed hands on 26th June 2020, selling for £820,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 26.9% since June 2020.
- Sold Jun 2020£820,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 51 sales of comparable properties within 1.0 kilometres of 18, Stevenage Road, Knebworth across the last 2 years.
Most recently, 12, Stevenage Road, Knebworth, SG3 6AW, a freehold house, sold at £920,000 on the 4th August 2025.
Read more about house prices in SG3.
- Sold Aug 2025£920,000 | 5 Bed House12, Stevenage Road, Knebworth, SG3 6AW12, Stevenage Road, Knebworth, SG3 6AW
- Sold Nov 2024£946,000 | 5 Bed House14, Stevenage Road, Knebworth, SG3 6AW14, Stevenage Road, Knebworth, SG3 6AW
- Sold Jun 2021£945,000 | 5 Bed House34, Stevenage Road, Knebworth, SG3 6NN34, Stevenage Road, Knebworth, SG3 6NN
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 18, Stevenage Road, Knebworth as the 19th largest and the 23rd most expensive of the 66 addresses on Stevenage Road, Knebworth, SG3.
Against the SG3 postcode district average, it is £445k more expensive than the typical property.
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Schools Nearby
- Knebworth Primary and Nursery School400 m away
- Shephalbury Park Primary School1.7 km away
- All Saints Church of England Voluntary Aided Primary School, Datchworth1.8 km away
- Barnwell School2.5 km away
- Marriotts School4.0 km away
- The Nobel School4.9 km away
More reading links
Public Transport Nearby
- Knebworth|300 m away
- Stevenage|4.0 km away
- Watton-at-Stone|4.6 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
