Our Data Sources
21, Milestone Road, Knebworth has 31 entries in the Land Registry, most recently in April 2010 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 1 out of 5 and is considered of low accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 21, Milestone Road, Knebworth is in very good condition we estimate a sale value of £880,825 and a rental value of £2,495 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £780,160 and a rental value of £2,210 per month.
Plot Size
According to data from HM Land Registry, 21, Milestone Road, Knebworth sits on a plot of 610 m2.
We have plot size data on 16 out of 20 other houses in the postcode and 21, Milestone Road, Knebworth sits on the 3rd largest plot.
Sold Prices
According to HM Land Registry, 21, Milestone Road, Knebworth was last sold on 29th April 2010 for £420,000 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since April 2010, the market for similar properties has risen by 73.0%.
- Sold Apr 2010£420,000
- Sold Jul 2007£405,000
- Sold Mar 1996£119,950
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 62 sales of properties similar to 21, Milestone Road, Knebworth within a radius of 850 metres since 2007.
The most recent example is 14, Pondcroft Road, Knebworth, SG3 6DB, a freehold house which sold for £880,000 on the 17th February 2026.
Read more about house prices in SG3.
- Sold Feb 2026£880,000 | 4 Bed House14, Pondcroft Road, Knebworth, SG3 6DB14, Pondcroft Road, Knebworth, SG3 6DB
- Sold Aug 2025£900,000 | 5 Bed House1 Church Gardens, Stevenage Road, Knebworth, SG3 6AR1 Church Gardens, Stevenage Road, Knebworth, SG3 6AR
- Sold Aug 2025£920,000 | 5 Bed House12, Stevenage Road, Knebworth, SG3 6AW12, Stevenage Road, Knebworth, SG3 6AW
- Sold Oct 2024£920,000 | 5 Bed House1, Old Lane, Knebworth, SG3 6AD1, Old Lane, Knebworth, SG3 6AD
- Sold Sep 2024£768,500 | 4 Bed House55, Pondcroft Road, Knebworth, SG3 6DE55, Pondcroft Road, Knebworth, SG3 6DE
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 £601,709, ranging from £386,302 to £920,410.
- 19 Milestone Road
4 Bed House | 5 m | Est. Value: £566,921
- 17 Milestone Road
4 Bed House | 14 m | Est. Value: £559,600
- 1 Hollycroft Mews Milestone Road
4 Bed House | 15 m | Est. Value: £658,523
- 2 Hollycroft Mews Milestone Road
5 Bed House | 23 m | Est. Value: £920,410
- 3 Hollycroft Mews Milestone Road
4 Bed House | 30 m | Est. Value: £698,080
Location Comparison
Milestone Road, Knebworth, SG3 has a total of 23 addresses. According to our analysis of all the public data, 21, Milestone Road, Knebworth is the 2nd largest and the 2nd most expensive property on the street.
When compared to the postcode district it is £295k more expensive than the average property in SG3.
More reading links
Schools Nearby
- Knebworth Primary and Nursery School100 m away
- St Michael's Woolmer Green CofE VA Primary School1.6 km away
- All Saints Church of England Voluntary Aided Primary School, Datchworth1.6 km away
- Barnwell School2.9 km away
- Marriotts School4.3 km away
- The Nobel School5.3 km away
More reading links
Public Transport Nearby
- Knebworth|300 m away
- Stevenage|4.4 km away
- Watton-at-Stone|4.5 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












