Our Data Sources
23, New Close, Knebworth has a single entry in the Land Registry from October 2018 and a single entry in the EPC database dated September 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 23, New Close, Knebworth would be worth £930,921, with a potential rental value of £2,653 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £824,530, with a rental value of £2,350 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
23, New Close, Knebworth occupies a 810 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 largest.
Energy Efficiency
23, New Close, Knebworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Sep 2024.
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
23, New Close, Knebworth last changed hands on 9th October 2018, selling for £760,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 12.7% since October 2018.
- Sold Oct 2018£760,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 69 sales of comparable properties within 1.0 kilometres of 23, New Close, Knebworth since 2013.
Most recently, 7A, Stockens Green, Knebworth, SG3 6DG, a freehold house, sold at £846,500 on the 20th February 2026.
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 Feb 2026£880,000 | 4 Bed House14, Pondcroft Road, Knebworth, SG3 6DB14, Pondcroft Road, Knebworth, SG3 6DB
- Sold Oct 2025£931,000 | 4 Bed House2, Oakfields Road, Knebworth, SG3 6NS2, Oakfields Road, Knebworth, SG3 6NS
- 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£835,000 | 4 Bed House27, Stevenage Road, Knebworth, SG3 6NN27, Stevenage Road, Knebworth, SG3 6NN
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 £484,045, ranging from £288,440 to £698,877.
- 22 New Close
4 Bed House | 15 m | Est. Value: £643,653
- 21 New Close
3 Bed House | 22 m | Est. Value: £543,793
- 20 New Close
3 Bed House | 35 m | Est. Value: £521,929
- 26 New Close
4 Bed House | 37 m | Est. Value: £627,926
- 3 New Close
3 Bed House | 39 m | Est. Value: £449,797
Location Comparison
Our analysis of the public data ranks 23, New Close, Knebworth as the 4th largest and the most expensive of the 54 addresses on New Close, Knebworth, SG3.
Against the SG3 postcode district average, it is £343k 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.
