| 19 Jul 2024 | PORTMAN HOUSE, FLAT 1, THERFIELD ROAD | Flat | Leasehold | £215,000 |
| 9 Aug 2023 | PORTMAN HOUSE, FLAT 9, THERFIELD ROAD | Flat | Leasehold | £297,500 |
| 27 Aug 2021 | 5, THERFIELD ROAD | Detached | Freehold | £637,500 |
| 31 Mar 2021 | PORTMAN HOUSE, FLAT 3, THERFIELD ROAD | Flat | Leasehold | £200,000 |
| 11 Dec 2020 | PORTMAN HOUSE, FLAT 4, THERFIELD ROAD | Flat | Leasehold | £290,000 |
| 20 Mar 2020 | 13, THERFIELD ROAD | Flat | Leasehold | £250,000 |
| 23 Nov 2018 | 20, THERFIELD ROAD | Flat | Leasehold | £282,500 |
| 30 Oct 2017 | 18, THERFIELD ROAD | Semi-Detached | Freehold | £614,000 |
| 15 Feb 2017 | PORTMAN HOUSE, FLAT 7, THERFIELD ROAD | Flat | Leasehold | £228,000 |
| 10 Oct 2016 | PORTMAN HOUSE, FLAT 4, THERFIELD ROAD | Flat | Leasehold | £280,000 |
| 3 Aug 2015 | 20, THERFIELD ROAD | Flat | Leasehold | £269,950 |
| 28 Mar 2014 | 3, THERFIELD ROAD | Semi-Detached | Freehold | £345,000 |
| 20 Jul 2012 | PORTMAN HOUSE, FLAT 5, THERFIELD ROAD | Flat | Leasehold | £154,000 |
| 6 Jul 2012 | PORTMAN HOUSE, FLAT 6, THERFIELD ROAD | Flat | Leasehold | £150,000 |
| 27 Jul 2010 | PORTMAN HOUSE, FLAT 3, THERFIELD ROAD | Flat | Leasehold | £139,000 |
| 4 Jul 2008 | 18, THERFIELD ROAD, ST. ALBANS | Semi-Detached | Freehold | £270,000 |
| 8 Dec 2006 | 5, THERFIELD ROAD, ST. ALBANS | Detached | Freehold | £242,000 |
| 15 Sep 2006 | PORTMAN HOUSE, FLAT 9, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £157,500 |
| 16 Dec 2004 | PORTMAN HOUSE, FLAT 7, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £129,000 |
| 26 Nov 2004 | PORTMAN HOUSE, FLAT 2, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £149,000 |
| 2 Jul 2004 | PORTMAN HOUSE, FLAT 5, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £148,000 |
| 31 Mar 2004 | 5, THERFIELD ROAD, ST. ALBANS | Detached | Freehold | £215,000 |
| 24 Oct 2003 | PORTMAN HOUSE, FLAT 4, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £150,000 |
| 10 Mar 2003 | PORTMAN HOUSE, FLAT 3, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £139,000 |
| 3 Jan 2003 | PORTMAN HOUSE, FLAT 2, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £132,500 |
| 8 Nov 2002 | PORTMAN HOUSE, FLAT 9, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £174,950 |
| 2 Jul 2002 | PORTMAN HOUSE, FLAT 6, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £100,000 |
| 22 Mar 2002 | PORTMAN HOUSE, FLAT 5, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £95,000 |
| 20 Mar 2002 | PORTMAN HOUSE, FLAT 3, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £84,950 |
| 18 Jan 2002 | 14, THERFIELD ROAD, ST. ALBANS | Semi-Detached | Freehold | £142,000 |
| 9 Jun 2000 | PORTMAN HOUSE, FLAT 4, THERFIELD ROAD | Flat | Leasehold | £94,500 |
| 10 May 1999 | 7, THERFIELD ROAD | Detached | Freehold | £108,000 |
| 18 May 1998 | 20, THERFIELD ROAD, ST. ALBANS | Terraced | Leasehold | £55,500 |
| 26 Aug 1997 | 7, THERFIELD ROAD, ST. ALBANS | Detached | Freehold | £92,000 |
| 16 Jun 1997 | 5, THERFIELD ROAD, ST. ALBANS | Detached | Freehold | £97,500 |
| 30 May 1997 | PORTMAN HOUSE, FLAT 2, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £51,000 |
| 3 Feb 1997 | PORTMAN HOUSE, FLAT 4, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £67,000 |
| 6 Jan 1997 | PORTMAN HOUSE, FLAT 9, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £62,950 |
| 3 May 1996 | PORTMAN HOUSE, FLAT 8, THERFIELD ROAD, ST. ALBANS | Flat | Leasehold | £48,000 |
| 31 Jul 1995 | 16, THERFIELD ROAD, ST. ALBANS | Semi-Detached | Freehold | £63,000 |