From 1 Jan 1995 to 28 Mar 2024
| Address | Property Type | Current Estimated Value | Price Paid | Date |
|---|---|---|---|---|
| 1 WELWYN AVENUE | Semi-Detached | £286,512 | £218,500 | 15 Dec 2016 |
| 2 WELWYN AVENUE | Semi-Detached | £281,540 | £240,000 | 2 Oct 2020 |
| 3 WELWYN AVENUE | Semi-Detached | £268,174 | £215,000 | 4 May 2018 |
| 4 WELWYN AVENUE | Semi-Detached | £410,281 | £117,250 | 29 Mar 2001 |
| 5 WELWYN AVENUE | Semi-Detached | £359,309 | £225,000 | 22 May 2007 |
| 7 WELWYN AVENUE | Semi-Detached | £324,022 | £190,000 | 25 May 2012 |
| 9 WELWYN AVENUE | Semi-Detached | £334,077 | £265,000 | 10 Nov 2017 |
| 11 WELWYN AVENUE | Semi-Detached | £401,958 | £236,000 | 22 Sep 2006 |
| 11A WELWYN AVENUE | Semi-Detached | £340,740 | £270,000 | 6 Oct 2017 |
| 14 WELWYN AVENUE | Semi-Detached | £452,562 | £165,000 | 19 Aug 2002 |
| 19 WELWYN AVENUE | Semi-Detached | £451,379 | £445,000 | 24 Jun 2022 |
| 20 WELWYN AVENUE | Semi-Detached | £456,139 | £450,000 | 5 Jul 2023 |
| 21 WELWYN AVENUE | Semi-Detached | £467,259 | £275,000 | 19 Mar 2010 |
| 22 WELWYN AVENUE | Semi-Detached | £408,771 | £240,000 | 13 Sep 2006 |
| 26 WELWYN AVENUE | Detached | £455,000 | 19 Dec 2022 |