Our Data Sources
20, New Close, Knebworth has a single entry in the Land Registry from September 2010 and a single entry in the EPC database dated May 2010.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 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 20, New Close, Knebworth is in very good condition we estimate a sale value of £548,025 and a rental value of £2,082 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £485,394 and a rental value of £1,844 per month.
Plot Size
According to data from HM Land Registry, 20, New Close, Knebworth sits on a plot of 632 m2.
We have plot size data on 48 out of 51 other houses in the postcode and 20, New Close, Knebworth sits on the 5th largest plot.
Energy Efficiency
20, New Close, Knebworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 May 2010.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 20, New Close, Knebworth was last sold on 24th September 2010 for £308,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since September 2010, the market for similar properties has risen by 77.3%.
- Sold Sep 2010£308,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 115 sales of properties similar to 20, New Close, Knebworth within a radius of 1.0 kilometres since 2011.
The most recent example is 20, Pondcroft Road, Knebworth, SG3 6DB, a freehold house which sold for £485,000 on the 8th May 2026.
Read more about house prices in SG3.
- Sold May 2026£485,000 | 3 Bed House20, Pondcroft Road, Knebworth, SG3 6DB20, Pondcroft Road, Knebworth, SG3 6DB
- Sold Apr 2026£525,000 | 3 Bed House20, Sayer Way, Knebworth, SG3 6BN20, Sayer Way, Knebworth, SG3 6BN
- Sold Dec 2025£500,000 | 3 Bed House17, Sayer Way, Knebworth, SG3 6BN17, Sayer Way, Knebworth, SG3 6BN
- Sold Nov 2025£500,000 | 3 Bed House18, New Close, Knebworth, SG3 6NU18, New Close, Knebworth, SG3 6NU
- Sold Aug 2025£565,000 | 3 Bed House21A, Gun Lane, Knebworth, SG3 6BJ21A, Gun Lane, Knebworth, SG3 6BJ
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 £529,310, ranging from £289,886 to £886,591.
- 21 New Close
3 Bed House | 13 m | Est. Value: £543,793
- 22 New Close
4 Bed House | 20 m | Est. Value: £643,653
- 18 New Close
3 Bed House | 22 m | Est. Value: £523,176
- 17 New Close
4 Bed House | 31 m | Est. Value: £609,161
- 23 New Close
4 Bed House | 35 m | Est. Value: £886,591
Location Comparison
New Close, Knebworth, SG3 has a total of 54 addresses. According to our analysis of all the public data, 20, New Close, Knebworth is the 42nd largest and the 40th most expensive property on the street.
When compared to the postcode district it is £22k less expensive than the average property in SG3.
More reading links
Schools Nearby
- Knebworth Primary and Nursery School600 m away
- Shephalbury Park Primary School1.7 km away
- St Margaret Clitherow Roman Catholic Primary School1.7 km away
- Barnwell School2.5 km away
- Marriotts School3.9 km away
- The Nobel School4.8 km away
More reading links
Public Transport Nearby
- Knebworth|300 m away
- Stevenage|3.9 km away
- Watton-at-Stone|4.8 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.
