Our Data Sources
26, New Close, Knebworth has 21 entries in the Land Registry, most recently in December 2017 and a single entry in the EPC database dated January 2026.
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 26, New Close, Knebworth would be worth £659,322, with a potential rental value of £2,329 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £583,971, with a rental value of £2,063 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
26, New Close, Knebworth occupies a 504 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 22nd largest.
Energy Efficiency
26, New Close, Knebworth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 30 Jan 2026.
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
26, New Close, Knebworth last changed hands on 8th December 2017, selling for £565,100. 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 13.9% since December 2017.
- Sold Dec 2017£565,100
- Sold Dec 2000£155,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 100 sales of comparable properties within 1.0 kilometres of 26, New Close, Knebworth since 2011.
Most recently, 12, Oak Tree Gardens, Knebworth, SG3 6EQ, a freehold house, sold at £700,000 on the 12th January 2026.
Read more about house prices in SG3.
- Sold Jan 2026£700,000 | 4 Bed House12, Oak Tree Gardens, Knebworth, SG3 6EQ12, Oak Tree Gardens, Knebworth, SG3 6EQ
- Sold Dec 2025£610,000 | 4 Bed House30, Pondcroft Road, Knebworth, SG3 6DB30, Pondcroft Road, Knebworth, SG3 6DB
- 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
- Sold Nov 2024£555,000 | 4 Bed House74, Orchard Way, Knebworth, SG3 6BU74, Orchard Way, Knebworth, SG3 6BU
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 £526,781, ranging from £288,440 to £886,591.
- 27 New Close
4 Bed House | 7 m | Est. Value: £646,245
- 28 New Close
4 Bed House | 20 m | Est. Value: £623,307
- 29 New Close
4 Bed House | 28 m | Est. Value: £595,461
- 23 New Close
4 Bed House | 37 m | Est. Value: £886,591
- 30 New Close
4 Bed House | 40 m | Est. Value: £571,369
Location Comparison
Our analysis of the public data ranks 26, New Close, Knebworth as the 18th largest and the 19th most expensive of the 54 addresses on New Close, Knebworth, SG3.
Against the SG3 postcode district average, it is £84k 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.












