Over the past 27 years, there have been 33 property sales recorded in the NG31 6SW postcode area. The highest sale price reached £260,000, while the most recent sale was for a terraced house sold in July 2025 for £170,000.

The estimated average property value in NG31 6SW currently stands at £214,952, which is approximately 10.3% 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 £2,154.

Property prices in NG31 6SW have risen by 7.6% over the past year , with a total increase of 30.7% over the past five years, and a long-term rise of 65% over the past decade.

The most common type of property sold in the area is terraced, making up around 73% of transactions , followed by semi-detached and detached.

Housing in NG31 6SW is mixed, with 44% of homes being , indicating a diverse residential makeup.

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Property Sales

20 Castlegate, Grantham, South Kesteven, Lincolnshire, NG31 6SW

🏠 Terraced
🛏️ 4bed
📐 893 sq ft
Today
£202,823
streetscan.co.uk estimate
7 Dec 2006
£125,000
30 Aug 2002
£88,000
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21 Castlegate, Grantham, South Kesteven, Lincolnshire, NG31 6SW

🏠 Terraced
🛏️ 4bed
📐 926 sq ft
Today
£163,695
streetscan.co.uk estimate
31 May 2022
£158,000
13 Aug 2002
£92,500
More details

22 Castlegate, Grantham, South Kesteven, Lincolnshire, NG31 6SW

🏠 Semi-detached
🛏️ 4bed
📐 926 sq ft
Today
£171,527
streetscan.co.uk estimate
30 Jul 2025
£170,000
14 Aug 2020
£122,500
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23 Castlegate, Grantham, South Kesteven, Lincolnshire, NG31 6SW

🏠 Terraced
🛏️ 4bed
📐 1109 sq ft
Today
£120,527
streetscan.co.uk estimate
18 Sep 2014
£75,000
31 Jul 1998
£37,500
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23A Castlegate, Grantham, South Kesteven, Lincolnshire, NG31 6SW

Today
£163,135
streetscan.co.uk estimate
11 Feb 2000
£36,000

24 Castlegate, Grantham, South Kesteven, Lincolnshire, NG31 6SW

🏠 Terraced
🛏️ 3bed
📐 743 sq ft
Today
£173,877
streetscan.co.uk estimate
5 May 2004
£84,000
5 May 2004
£84,000
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24A Castlegate, Grantham, South Kesteven, Lincolnshire, NG31 6SW

Today
£167,667
streetscan.co.uk estimate
30 Jun 2006
£100,000
5 Apr 2002
£57,000

25 Castlegate, Grantham, South Kesteven, Lincolnshire, NG31 6SW

Today
£324,425
streetscan.co.uk estimate
24 Jul 2019
£260,000
28 Feb 2002
£130,000
1 Apr 1999
£79,000

26 Castlegate, Grantham, South Kesteven, Lincolnshire, NG31 6SW

🏠 Terraced
🛏️ 7bed
📐 1989 sq ft
Today
£305,519
streetscan.co.uk estimate
27 Oct 2009
£172,500
2 Dec 2005
£85,000
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27 Castlegate, Grantham, South Kesteven, Lincolnshire, NG31 6SW

🏠 Terraced
🛏️ 6bed
📐 743 sq ft
Today
£288,977
streetscan.co.uk estimate
9 Apr 2010
£160,000
27 Nov 2008
£175,000
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28 Castlegate, Grantham, South Kesteven, Lincolnshire, NG31 6SW

🏠 Terraced
🛏️ 5bed
📐 1421 sq ft
Today
£265,069
streetscan.co.uk estimate
21 Aug 2020
£210,000
16 Jan 2004
£135,000
More details

30 Castlegate, Grantham, South Kesteven, Lincolnshire, NG31 6SW

🏠 Terraced
🛏️ 6bed
📐 1539 sq ft
Today
£205,773
streetscan.co.uk estimate
11 Jun 2021
£180,000
8 Jan 2008
£197,500
View +1 more
More details

Area Insights

Data Sources

Properties at NG31 6SW appear thirty-three times in the Land Registry records, with the latest transaction recorded on 30 Jul 2025. It also has nine Energy Performance Certificates (EPC) entries, the earliest dating back to 24 May 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.