Our Data Sources
12, New Close, Knebworth has 21 entries in the Land Registry, most recently in February 2011 and a single entry in the EPC database dated August 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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 12, New Close, Knebworth would be worth £610,986, with a potential rental value of £2,258 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £541,159, with a rental value of £2,000 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
12, New Close, Knebworth occupies a 487 m2 plot as recorded by HM Land Registry.
Of the 51 other houses in this postcode, 48 have recorded plot sizes, and this one ranks as the 26th largest.
Energy Efficiency
12, New Close, Knebworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Aug 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
12, New Close, Knebworth last changed hands on 18th February 2011, selling for £346,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 72.5% since February 2011.
- Sold Feb 2011£346,000
- Sold Jun 2003£245,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 122 sales of comparable properties within 1.0 kilometres of 12, New Close, Knebworth since 2011.
Most recently, 30, Pondcroft Road, Knebworth, SG3 6DB, a freehold house, sold at £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 Apr 2025£485,000 | 3 Bed House16, Stockens Dell, Knebworth, SG3 6BG16, Stockens Dell, Knebworth, SG3 6BG
- Sold Feb 2025£590,000 | 3 Bed House2, Station Road, Knebworth, SG3 6AP2, Station Road, Knebworth, SG3 6AP
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 £708,158, ranging from £519,269 to £992,871.
- 13 New Close
4 Bed House | 7 m | Est. Value: £622,612
- 10 New Close
3 Bed House | 20 m | Est. Value: £519,269
- 3 Church Gardens Stevenage Road
4 Bed House | 22 m | Est. Value: £825,414
- 9 New Close
4 Bed House | 30 m | Est. Value: £691,551
- 2 Church Gardens Stevenage Road
4 Bed House | 33 m | Est. Value: £845,042
Location Comparison
Our analysis of the public data ranks 12, New Close, Knebworth as the 35th largest and the 31st most expensive of the 54 addresses on New Close, Knebworth, SG3.
Against the SG3 postcode district average, it is £38k more expensive than the typical property.
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
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
