Over the past 29 years, there have been 41 property sales recorded in the SG3 6NN postcode area. The highest sale price reached £1,200,000, while the most recent sale was for a detached house sold in August 2025 for £835,000.

The estimated average property value in SG3 6NN currently stands at £980,566, which is approximately 76.1% higher than the city average, indicating a potentially more desirable or in-demand location.

In terms of size, the average price per square metre is approximately £5,889.

Property prices in SG3 6NN have risen by 5.3% over the past year , with a total increase of 15.3% over the past five years, and a long-term rise of 49.3% over the past decade.

100% of recorded transactions in the area were for detached properties.

Housing in SG3 6NN is predominantly owner-occupied, with an estimated 100% of homes being lived in by the owners.

Click on the map to change the analyzed area

Property Sales

21 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 5bed
📐 1184 sq ft
Today
£756,094
streetscan.co.uk estimate
1 Nov 2019
£625,000
More details

23 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

Today
£800,250
streetscan.co.uk estimate
12 Feb 2004
£345,000
27 Sep 2000
£250,000

25 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 7bed
📐 1464 sq ft
Today
£779,482
streetscan.co.uk estimate
24 May 2024
£722,500
31 Jan 2006
£378,000
More details

27 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 7bed
📐 1722 sq ft
Today
£850,138
streetscan.co.uk estimate
20 Aug 2025
£835,000
4 Sep 2012
£435,000
View +2 more
More details

31 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 7bed
📐 1292 sq ft
Today
£867,065
streetscan.co.uk estimate
21 Feb 2025
£850,000
5 Sep 2003
£429,000
View +1 more
More details

32 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 7bed
📐 1367 sq ft
Today
£957,709
streetscan.co.uk estimate
2 Dec 2020
£850,000
More details

33 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 6bed
📐 2067 sq ft
Today
£827,845
streetscan.co.uk estimate
31 May 2019
£675,000
More details

34 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 7bed
📐 1905 sq ft
Today
£1,100,781
streetscan.co.uk estimate
30 Jun 2021
£945,000
More details

36 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

Today
£1,018,013
streetscan.co.uk estimate
7 Jul 2005
£469,412

40 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 9bed
📐 2260 sq ft
Today
£1,140,699
streetscan.co.uk estimate
25 May 2006
£540,950
More details

44 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 11bed
📐 2820 sq ft
Today
£1,446,676
streetscan.co.uk estimate
7 Aug 2019
£1,185,000
23 Oct 2014
£862,500
More details

46 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 7bed
📐 1959 sq ft
Today
£1,037,361
streetscan.co.uk estimate
20 Oct 2006
£525,000
9 Aug 2005
£457,500
View +1 more
More details

48 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 8bed
📐 2400 sq ft
Today
£1,397,817
streetscan.co.uk estimate
29 Jun 2021
£1,200,000
27 Jul 2012
£735,000
View +1 more
More details

50 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 6bed
📐 1076 sq ft
Today
£816,454
streetscan.co.uk estimate
21 Oct 2016
£655,000
More details

52 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

Today
£1,288,538
streetscan.co.uk estimate
4 Sep 1998
£285,000
26 Feb 1998
£188,000

56 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 7bed
📐 1399 sq ft
Today
£870,354
streetscan.co.uk estimate
24 Jan 2020
£732,500
More details

62 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 9bed
📐 2756 sq ft
Today
£962,902
streetscan.co.uk estimate
15 Apr 1996
£148,000
More details

64 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

Today
£1,088,776
streetscan.co.uk estimate
19 Nov 2001
£350,000

66 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 9bed
📐 1485 sq ft
Today
£1,045,612
streetscan.co.uk estimate
28 Nov 2003
£440,000
25 Aug 2000
£299,000
View +1 more
More details

68 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 7bed
📐 1701 sq ft
Today
£990,152
streetscan.co.uk estimate
23 Jun 2015
£670,000
9 Jul 1996
£156,000
More details

70 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

Today
£1,166,545
streetscan.co.uk estimate
14 Feb 2002
£375,000

72 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NN

🏠 Detached
🛏️ 8bed
📐 2390 sq ft
Today
£1,076,371
streetscan.co.uk estimate
23 Sep 2016
£861,500
29 Apr 2014
£785,000
View +2 more
More details

Area Insights

Data Sources

Properties at SG3 6NN appear fourty-one times in the Land Registry records, with the latest transaction recorded on 20 Aug 2025. It also has seventeen Energy Performance Certificates (EPC) entries, the earliest dating back to 6 Aug 2021. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.