Our Data Sources
30, New Close, Knebworth has no recent1 records in the Land Registry and a single entry in the EPC database dated June 2013.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium 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 30, New Close, Knebworth is in very good condition we estimate a sale value of £599,937 and a rental value of £2,287 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £531,373 and a rental value of £2,026 per month.
Plot Size
According to data from HM Land Registry, 30, New Close, Knebworth sits on a plot of 339 m2.
We have plot size data on 48 out of 51 other houses in the postcode and 30, New Close, Knebworth sits on the 40th largest plot.
Energy Efficiency
30, New Close, Knebworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Jun 2013.
The property is not 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, 30, New Close, Knebworth was last sold on 30th April 2004 for £275,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
- Sold Apr 2004£275,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 99 sales of properties similar to 30, New Close, Knebworth within a radius of 1.0 kilometres since 2011.
The most recent example is 30, Pondcroft Road, Knebworth, SG3 6DB, a freehold house which sold for £610,000 on the 11th December 2025.
Read more about house prices in SG3.
- Sold Dec 2025£610,000 | 4 Bed House30, Pondcroft Road, Knebworth, SG3 6DB30, Pondcroft Road, Knebworth, SG3 6DB
- Sold Oct 2025£510,000 | 4 Bed House52, Orchard Way, Knebworth, SG3 6BU52, Orchard Way, Knebworth, SG3 6BU
- Sold Aug 2025£565,000 | 3 Bed House21A, Gun Lane, Knebworth, SG3 6BJ21A, Gun Lane, Knebworth, SG3 6BJ
- Sold May 2025£612,500 | 4 Bed House3 Church Place, New Close, Knebworth, SG3 6NX3 Church Place, New Close, Knebworth, SG3 6NX
- Sold Dec 2024£590,000 | 4 Bed House29, New Close, Knebworth, SG3 6NU29, New Close, Knebworth, SG3 6NU
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 £526,244, ranging from £339,177 to £646,245.
- 31 New Close
3 Bed House | 6 m | Est. Value: £503,156
- 29 New Close
4 Bed House | 11 m | Est. Value: £595,461
- 32 New Close
4 Bed House | 18 m | Est. Value: £559,000
- 28 New Close
4 Bed House | 19 m | Est. Value: £623,307
- 27 New Close
4 Bed House | 32 m | Est. Value: £646,245
Location Comparison
New Close, Knebworth, SG3 has a total of 54 addresses. According to our analysis of all the public data, 30, New Close, Knebworth is the 23rd largest and the 32nd most expensive property on the street.
When compared to the postcode district it is £27k more 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.












