| 49 Hartford Avenue, Harrow, HA3 8TA | Sep 2025 | £773,000 | Semi-detached | Freehold |
| 27 Hartford Avenue, Harrow, HA3 8TA | Jul 2022 | £585,000 | Terraced | Freehold |
| 102 Hartford Avenue, Harrow, HA3 8TA | Sep 2021 | £549,001 | Terraced | Freehold |
| 16 Hartford Avenue, Harrow, HA3 8SY | Jun 2021 | £260,000 | Semi-detached | Freehold |
| 92 Hartford Avenue, Harrow, HA3 8TA | Dec 2020 | £470,000 | Terraced | Freehold |
| 22 Hartford Avenue, Harrow, HA3 8SY | Jul 2020 | £541,000 | Semi-detached | Freehold |
| 76 Hartford Avenue, Harrow, HA3 8TA | Feb 2019 | £522,500 | Terraced | Freehold |
| 47 Hartford Avenue, Harrow, HA3 8TA | Sep 2018 | £515,000 | Terraced | Freehold |
| 96 Hartford Avenue, Harrow, HA3 8TA | Mar 2016 | £568,000 | Terraced | Freehold |
| 108 Hartford Avenue, Harrow, HA3 8TA | Feb 2016 | £455,000 | Terraced | Freehold |
| 39 Hartford Avenue, Harrow, HA3 8TA | Nov 2015 | £685,000 | Terraced | Freehold |
| 72 Hartford Avenue, Harrow, HA3 8TA | Nov 2015 | £474,000 | Terraced | Freehold |
| 37 Hartford Avenue, Harrow, HA3 8TA | Aug 2015 | £505,000 | Terraced | Freehold |
| 15 Hartford Avenue, Harrow, HA3 8TA | Jul 2014 | £430,000 | Terraced | Freehold |
| 58 Hartford Avenue, Harrow, HA3 8SY | Jun 2012 | £380,000 | Semi-detached | Freehold |
| 94 Hartford Avenue, Harrow, HA3 8TA | Dec 2010 | £282,000 | Terraced | Freehold |
| 74 Hartford Avenue, Harrow, HA3 8TA | Oct 2010 | £340,000 | Terraced | Freehold |
| 60 Hartford Avenue, Harrow, HA3 8SY | Jul 2010 | £335,000 | Semi-detached | Freehold |
| 110 Hartford Avenue, Harrow, HA3 8TA | Oct 2000 | £195,000 | Semi-detached | Freehold |
| 29 Hartford Avenue, Harrow, HA3 8TA | Jun 2000 | £182,000 | Terraced | Freehold |
| 45 Hartford Avenue, Harrow, HA3 8TA | Nov 1999 | £153,000 | Terraced | Freehold |
| 20 Hartford Avenue, Harrow, HA3 8SY | Apr 1999 | £131,500 | Semi-detached | Freehold |