| 6 Allen Close, Billingborough, Sleaford, NG34 0PZ | Dec 2025 | £150,000 | Semi-detached | Freehold |
| 22 Allen Close, Billingborough, Sleaford, NG34 0PZ | Jun 2025 | £162,000 | Terraced | Freehold |
| 29 Allen Close, Billingborough, Sleaford, NG34 0PZ | Jan 2025 | £159,950 | Semi-detached | Freehold |
| 23 Allen Close, Billingborough, Sleaford, NG34 0PZ | Sep 2024 | £129,950 | Terraced | Freehold |
| 25 Allen Close, Billingborough, Sleaford, NG34 0PZ | Dec 2023 | £130,000 | Terraced | Freehold |
| 37 Allen Close, Billingborough, Sleaford, NG34 0PZ | May 2023 | £157,000 | Terraced | Freehold |
| 28 Allen Close, Billingborough, Sleaford, NG34 0PZ | Jan 2021 | £162,500 | Semi-detached | Freehold |
| 33 Allen Close, Billingborough, Sleaford, NG34 0PZ | Dec 2020 | £145,000 | Semi-detached | Freehold |
| 18 Allen Close, Billingborough, Sleaford, NG34 0PZ | Oct 2019 | £116,000 | Terraced | Freehold |
| 14 Allen Close, Billingborough, Sleaford, NG34 0PZ | Oct 2018 | £95,000 | Semi-detached | Freehold |
| 2 Allen Close, Billingborough, Sleaford, NG34 0PZ | Oct 2018 | £117,500 | Terraced | Freehold |
| 24 Allen Close, Billingborough, Sleaford, NG34 0PZ | Aug 2016 | £97,500 | Terraced | Freehold |
| 5 Allen Close, Billingborough, Sleaford, NG34 0PZ | Nov 2015 | £95,000 | Terraced | Freehold |
| 26 Allen Close, Billingborough, Sleaford, NG34 0PZ | Jan 2015 | £87,500 | Terraced | Freehold |
| 1 Allen Close, Billingborough, Sleaford, NG34 0PZ | Aug 2014 | £100,000 | Terraced | Freehold |
| 31 Allen Close, Billingborough, Sleaford, NG34 0PZ | May 2013 | £96,000 | Terraced | Freehold |
| 11 Allen Close, Billingborough, Sleaford, NG34 0PZ | Jan 2008 | £93,000 | Terraced | Freehold |
| 20 Allen Close, Billingborough, Sleaford, NG34 0PZ | Nov 2006 | £102,500 | Terraced | Freehold |
| 15 Allen Close, Billingborough, Sleaford, NG34 0PZ | Apr 2006 | £92,000 | Terraced | Freehold |
| 10 Allen Close, Billingborough, Sleaford, NG34 0PZ | Dec 2005 | £100,000 | Semi-detached | Freehold |
| 9 Allen Close, Billingborough, Sleaford, NG34 0PZ | May 2005 | £82,500 | Terraced | Freehold |
| 8 Allen Close, Billingborough, Sleaford, NG34 0PZ | Aug 2004 | £91,000 | Semi-detached | Freehold |
| 4 Allen Close, Billingborough, Sleaford, NG34 0PZ | Jul 2004 | £87,500 | Terraced | Freehold |
| 7 Allen Close, Billingborough, Sleaford, NG34 0PZ | Jun 2004 | £97,000 | Semi-detached | Freehold |
| 27 Allen Close, Billingborough, Sleaford, NG34 0PZ | Oct 2003 | £83,500 | Detached | Freehold |
| 21 Allen Close, Billingborough, Sleaford, NG34 0PZ | May 2002 | £45,000 | Terraced | Freehold |
| 3 Allen Close, Billingborough, Sleaford, NG34 0PZ | Feb 2002 | £45,000 | Semi-detached | Freehold |
| 16 Allen Close, Billingborough, Sleaford, NG34 0PZ | Jul 2001 | £39,950 | Terraced | Freehold |
| 17 Allen Close, Billingborough, Sleaford, NG34 0PZ | Oct 2000 | £40,000 | Detached | Freehold |
| 19 Allen Close, Billingborough, Sleaford, NG34 0PZ | Nov 1999 | £35,000 | Detached | Freehold |