Over the past 30 years, there have been 143 property sales recorded in the SG3 6AL postcode area. The highest sale price reached £255,000, while the most recent sale was for a detached flat sold in September 2025 for £190,000.

The estimated average property value in SG3 6AL currently stands at £219,048, which is approximately 60.7% lower than the city average - making it a relatively affordable option for buyers.

In terms of size, the average price per square metre is approximately £4,104.

Property prices in SG3 6AL have risen by 3.4% over the past year , with a total increase of 8.5% over the past five years, and a long-term rise of 35.7% over the past decade.

The most common type of property sold in the area is flat, making up around 97% of transactions , followed by terraced.

Housing in SG3 6AL is mixed, with 50% of homes being owner-occupied, indicating a diverse residential makeup.

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Property Sales

1 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 570 sq ft
Today
£217,668
streetscan.co.uk estimate
22 Nov 2007
£150,000
23 Mar 2005
£142,000
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11 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£211,349
streetscan.co.uk estimate
23 Jan 2012
£131,000
12 Apr 2002
£95,500
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15 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 2bed
📐 420 sq ft
Today
£231,094
streetscan.co.uk estimate
26 Nov 1999
£62,500
20 Dec 1996
£38,750
More details

17 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£228,445
streetscan.co.uk estimate
10 Mar 2005
£135,000
5 Nov 1997
£53,000
More details

19 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

Today
£242,433
streetscan.co.uk estimate
8 Jul 1997
£49,000

21 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 560 sq ft
Today
£222,298
streetscan.co.uk estimate
2 May 2006
£138,000
28 Jun 2002
£105,000
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23 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£225,636
streetscan.co.uk estimate
13 Jun 2025
£210,000
3 Oct 2008
£143,000
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25 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 570 sq ft
Today
£251,773
streetscan.co.uk estimate
17 Oct 2024
£252,500
22 Aug 2022
£225,000
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27 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£230,739
streetscan.co.uk estimate
1 Mar 2002
£85,500
21 Feb 1997
£49,000
More details

3 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£219,226
streetscan.co.uk estimate
22 May 2015
£165,000
22 Apr 1997
£51,000
More details

31 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£209,953
streetscan.co.uk estimate
29 Jan 2021
£195,000
22 Jan 2016
£185,000
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33 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£224,980
streetscan.co.uk estimate
18 Sep 1998
£55,000
More details

35 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£264,511
streetscan.co.uk estimate
11 Jul 2024
£250,000
23 Jul 2020
£185,000
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37 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£208,413
streetscan.co.uk estimate
11 Sep 2006
£136,000
More details

39 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£202,706
streetscan.co.uk estimate
21 Jul 2017
£191,000
3 Feb 2000
£74,000
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41 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£198,802
streetscan.co.uk estimate
9 Jul 2025
£190,000
22 Aug 2014
£150,000
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43 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£222,101
streetscan.co.uk estimate
5 Feb 2024
£205,000
17 Oct 2006
£135,000
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45 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£188,140
streetscan.co.uk estimate
12 Apr 2021
£178,000
18 Oct 2002
£118,000
View +2 more
More details

47 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£250,613
streetscan.co.uk estimate
15 Aug 2024
£240,000
9 Sep 2022
£237,000
More details

49 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£206,442
streetscan.co.uk estimate
31 Mar 2015
£152,000
25 Jun 2010
£124,000
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5 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£238,776
streetscan.co.uk estimate
8 Aug 2000
£74,000
More details

51 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£205,785
streetscan.co.uk estimate
23 May 2014
£143,000
23 Mar 2006
£139,000
View +1 more
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53 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 582 sq ft
Today
£223,212
streetscan.co.uk estimate
1 May 2015
£168,000
20 Apr 2009
£140,000
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55 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Terraced
🛏️ 3bed
📐 592 sq ft
Today
£297,931
streetscan.co.uk estimate
26 May 2000
£72,000
More details

57 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£217,080
streetscan.co.uk estimate
6 Jun 2005
£131,000
16 Nov 2001
£86,000
View +1 more
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59 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£268,530
streetscan.co.uk estimate
19 Jun 2002
£110,100
1 Sep 2000
£75,000
More details

61 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£229,298
streetscan.co.uk estimate
2 May 2025
£220,250
7 Dec 2001
£86,500
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More details

63 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£212,427
streetscan.co.uk estimate
24 Aug 2021
£202,000
16 Nov 2017
£201,000
View +2 more
More details

65 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£206,576
streetscan.co.uk estimate
3 Nov 2006
£135,000
15 Mar 2004
£124,000
View +3 more
More details

69 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 366 sq ft
Today
£201,657
streetscan.co.uk estimate
6 Jan 2014
£132,950
4 Apr 2003
£125,000
More details

7 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 614 sq ft
Today
£238,704
streetscan.co.uk estimate
31 Aug 2018
£224,000
23 Apr 2008
£152,500
View +2 more
More details

71 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£207,800
streetscan.co.uk estimate
27 May 2011
£130,000
More details

73 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 614 sq ft
Today
£194,146
streetscan.co.uk estimate
26 Mar 2021
£182,000
23 Mar 2007
£144,000
View +3 more
More details

75 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£228,177
streetscan.co.uk estimate
31 Jul 2018
£215,000
30 Jun 2010
£130,000
View +2 more
More details

79 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£198,535
streetscan.co.uk estimate
28 Aug 2020
£180,000
8 Mar 2000
£71,500
View +1 more
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81 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

Today
£252,869
streetscan.co.uk estimate
3 Apr 2000
£73,500
17 Jul 1998
£49,500
14 Jun 1996
£41,500

83 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£234,243
streetscan.co.uk estimate
22 May 2025
£225,000
28 Sep 2018
£197,000
View +2 more
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85 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

Today
£240,859
streetscan.co.uk estimate
30 Jan 2004
£127,500
29 Nov 2002
£111,000
15 Jun 2000
£74,950
18 Jun 1999
£59,500

87 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 560 sq ft
Today
£205,066
streetscan.co.uk estimate
19 Nov 2021
£195,000
20 Jul 1999
£59,950
More details

89 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 603 sq ft
Today
£190,000
streetscan.co.uk estimate
24 Sep 2025
£190,000
29 Jan 2016
£177,000
View +3 more
More details

9 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 560 sq ft
Today
£267,892
streetscan.co.uk estimate
14 Jan 2022
£255,000
26 Jan 2018
£225,000
View +1 more
More details

91 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£260,874
streetscan.co.uk estimate
21 Oct 2002
£116,000
22 Aug 2000
£76,500
View +1 more
More details

93 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

Today
£216,148
streetscan.co.uk estimate
3 Jul 2007
£145,000
29 Oct 2004
£138,500
31 Jan 2003
£114,750

95 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£209,135
streetscan.co.uk estimate
26 Aug 2016
£188,000
1 Aug 2003
£124,000
View +1 more
More details

Area Insights

Data Sources

Properties at SG3 6AL appear one hundred and fourty-three times in the Land Registry records, with the latest transaction recorded on 24 Sep 2025. It also has fourty Energy Performance Certificates (EPC) entries, the earliest dating back to 25 Apr 2018. 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.