Our Data Sources
9, St. Martins Road, Knebworth has a single entry in the Land Registry from December 2020 and a single entry in the EPC database dated June 2020.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 9, St. Martins Road, Knebworth is in very good condition we estimate a sale value of £884,547 and a rental value of £2,688 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £783,456 and a rental value of £2,381 per month.
Plot Size
According to data from HM Land Registry, 9, St. Martins Road, Knebworth sits on a plot of 780 m2.
We have plot size data on 18 out of 20 other houses in the postcode and 9, St. Martins Road, Knebworth sits on the 14th largest plot.
Energy Efficiency
9, St. Martins Road, Knebworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Jun 2020.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 9, St. Martins Road, Knebworth was last sold on 9th December 2020 for £775,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since December 2020, the market for similar properties has risen by 6.4%.
- Sold Dec 2020£775,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 62 sales of properties similar to 9, St. Martins Road, Knebworth within a radius of 1.0 kilometres over the last 2 years.
The most recent example is 7A, Stockens Green, Knebworth, SG3 6DG, a freehold house which sold for £846,500 on the 20th February 2026.
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 Mar 2024£800,000 | 4 Bed House19, St. Martins Road, Knebworth, SG3 6ER19, St. Martins Road, Knebworth, SG3 6ER
- Sold Feb 2012£555,000 | 4 Bed House27, St. Martins Road, Knebworth, SG3 6ER27, St. Martins Road, Knebworth, SG3 6ER
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
St. Martins Road, Knebworth, SG3 has a total of 53 addresses. According to our analysis of all the public data, 9, St. Martins Road, Knebworth is the 16th largest and the 16th most expensive property on the street.
When compared to the postcode district it is £298k more expensive than the average property in SG3.
More reading links
Schools Nearby
- Knebworth Primary and Nursery School200 m away
- All Saints Church of England Voluntary Aided Primary School, Datchworth1.5 km away
- St Michael's Woolmer Green CofE VA Primary School1.7 km away
- Barnwell School2.7 km away
- Marriotts School4.2 km away
- The Nobel School5.1 km away
More reading links
Public Transport Nearby
- Knebworth|500 m away
- Watton-at-Stone|4.3 km away
- Stevenage|4.4 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
