Our Data Sources
27, St. Martins Road, Knebworth has a single entry in the Land Registry from February 2012 and a single entry in the EPC database dated December 2011.
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
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 27, St. Martins Road, Knebworth, we estimate a market value of £883,147 and a rental value of £2,689 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £782,216 and £2,381 per month respectively.
Plot Size
HM Land Registry records the plot of land for 27, St. Martins Road, Knebworth as measuring 1,045 m2.
That makes it the 4th largest plot in the postcode, where 18 of the 20 other houses have recorded plot data.
Energy Efficiency
27, St. Martins Road, Knebworth has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 17 Dec 2011.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 27, St. Martins Road, Knebworth completed on 17th February 2012 at £555,000 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 61.4% over the period since February 2012.
- Sold Feb 2012£555,000
Similar Properties Sold Nearby
Over the past 2 years 62 properties similar to 27, St. Martins Road, Knebworth have sold within a radius of 1.1 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 Mar 2024£800,000 | 4 Bed House19, St. Martins Road, Knebworth, SG3 6ER19, St. Martins Road, Knebworth, SG3 6ER
- Sold Dec 2020£775,000 | 4 Bed House9, St. Martins Road, Knebworth, SG3 6ER9, St. Martins Road, Knebworth, SG3 6ER
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 53 addresses on St. Martins Road, Knebworth, SG3, 27, St. Martins Road, Knebworth comes out as the 17th largest and the 17th most expensive in our analysis of the public data.
It is also £296k more expensive than the average property across the SG3 district.
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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
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












