Over the past 30 years, there have been 60 property sales recorded in the SG3 6JX postcode area. The highest sale price reached £810,000, while the most recent sale was for a semi-detached house sold in June 2025 for £575,000.

The estimated average property value in SG3 6JX currently stands at £631,444, which is approximately 13.4% 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 £6,141.

Property prices in SG3 6JX have risen by 3% over the past year , with a total increase of 12.6% over the past five years, and a long-term rise of 42.1% over the past decade.

The most common type of property sold in the area is semi-detached, making up around 38% of transactions , followed by detached and terraced.

Housing in SG3 6JX is predominantly owner-occupied, with an estimated 88% of homes being lived in by the owners.

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Property Sales

10 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Terraced
🛏️ 3bed
📐 667 sq ft
Today
£402,464
streetscan.co.uk estimate
22 Aug 1997
£78,000
More details

11 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Detached
🛏️ 6bed
📐 1539 sq ft
Today
£820,022
streetscan.co.uk estimate
18 Feb 2021
£760,000
31 Mar 2014
£576,000
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More details

13A New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Semi-detached
🛏️ 5bed
📐 1163 sq ft
Today
£672,231
streetscan.co.uk estimate
4 Sep 2014
£443,000
16 Oct 2006
£335,000
View +1 more
More details

13B New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Semi-detached
🛏️ 7bed
📐 1356 sq ft
Today
£557,512
streetscan.co.uk estimate
15 Nov 2017
£475,000
More details

15 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Semi-detached
🛏️ 5bed
📐 816 sq ft
Today
£467,456
streetscan.co.uk estimate
11 Aug 2016
£395,000
20 Aug 2010
£284,500
View +3 more
More details

16 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Terraced
🛏️ 4bed
📐 376 sq ft
Today
£430,336
streetscan.co.uk estimate
1 Sep 2011
£230,000
15 Aug 2003
£180,000
View +1 more
More details

18 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Flat
🛏️ 4bed
📐 667 sq ft
Today
£348,811
streetscan.co.uk estimate
18 Jan 2021
£347,000
27 May 2004
£197,500
More details

1A New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

Today
£618,197
streetscan.co.uk estimate
18 Mar 2005
£304,000

21 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Other
🛏️ bed
📐 872 sq ft
Today
£521,951
streetscan.co.uk estimate
8 Sep 2014
£400,000
More details

22 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

Today
£475,746
streetscan.co.uk estimate
30 Aug 2007
£255,000

24 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Terraced
🛏️ 4bed
📐 787 sq ft
Today
£438,900
streetscan.co.uk estimate
26 Nov 2009
£228,000
24 Nov 2006
£239,995
View +2 more
More details

26 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Semi-detached
🛏️ 5bed
📐 813 sq ft
Today
£450,875
streetscan.co.uk estimate
13 Oct 2015
£335,000
19 Nov 2010
£250,000
View +3 more
More details

27 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Semi-detached
🛏️ 6bed
📐 1292 sq ft
Today
£741,858
streetscan.co.uk estimate
25 May 2017
£615,000
19 Oct 2001
£245,000
More details

28 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Terraced
🛏️ 7bed
📐 1464 sq ft
Today
£629,284
streetscan.co.uk estimate
12 Jul 2018
£537,500
More details

2A New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Detached
🛏️ 10bed
📐 1884 sq ft
Today
£836,741
streetscan.co.uk estimate
6 Jun 2025
£810,000
5 Aug 1999
£260,000
View +1 more
More details

3 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Semi-detached
🛏️ 6bed
📐 1453 sq ft
Today
£751,634
streetscan.co.uk estimate
29 Jan 2016
£575,000
More details

30 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Terraced
🛏️ 4bed
📐 624 sq ft
Today
£323,289
streetscan.co.uk estimate
9 Nov 2016
£270,000
26 Nov 2012
£212,000
More details

5 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

Today
£660,163
streetscan.co.uk estimate
18 Oct 2007
£375,000
17 Nov 1997
£132,500
21 Dec 1995
£115,000

6 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Terraced
🛏️ 6bed
📐 1109 sq ft
Today
£610,366
streetscan.co.uk estimate
16 Jun 2025
£575,000
7 Jun 2004
£278,300
View +1 more
More details

7 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

Today
£622,345
streetscan.co.uk estimate
17 Apr 1998
£145,000

9 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

Today
£1,339,524
streetscan.co.uk estimate
30 Nov 2009
£725,000
3 Aug 2001
£600,000
5 Aug 1999
£390,000

9A New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

🏠 Detached
🛏️ 11bed
📐 2626 sq ft
Today
£1,582,845
streetscan.co.uk estimate
9 Sep 2005
£780,000
31 Jul 2001
£620,000
View +2 more
More details

Chase Cottage, 21 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

Today
£590,743
streetscan.co.uk estimate
13 Apr 2017
£485,000

Forget-Me-Not Cottage, 10 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

Today
£453,394
streetscan.co.uk estimate
27 Sep 2016
£385,000

Fox Cottage, 19A New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

Today
£511,034
streetscan.co.uk estimate
1 Dec 2017
£440,000
3 Jun 2016
£500,000

Reynard Cottage, 21A New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

Today
£595,232
streetscan.co.uk estimate
28 Oct 2016
£499,995

Vixen Cottage, 19 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX

Today
£600,000
streetscan.co.uk estimate
15 Jul 2016
£510,000

Area Insights

Data Sources

Properties at SG3 6JX appear sixty times in the Land Registry records, with the latest transaction recorded on 16 Jun 2025. It also has seventeen Energy Performance Certificates (EPC) entries, the earliest dating back to 15 May 2015. 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.