| 71 North Western Avenue, Watford, WD25 0AG | May 2026 | £550,000 | Semi-detached | Freehold |
| 95B North Western Avenue, Watford, WD25 0AG | Mar 2025 | £330,000 | Flat / maisonette | Leasehold |
| 85 North Western Avenue, Watford, WD25 0AG | Jan 2024 | £385,000 | Semi-detached | Freehold |
| 75 North Western Avenue, Watford, WD25 0AG | Oct 2022 | £425,000 | Semi-detached | Freehold |
| 95A North Western Avenue, Watford, WD25 0AG | Mar 2021 | £300,000 | Flat / maisonette | Leasehold |
| 77 North Western Avenue, Watford, WD25 0AG | Jan 2021 | £420,000 | Semi-detached | Freehold |
| 107 North Western Avenue, Watford, WD25 0AG | Jan 2021 | £240,000 | Flat / maisonette | Leasehold |
| 101 North Western Avenue, Watford, WD25 0AG | Nov 2020 | £499,950 | Semi-detached | Freehold |
| 105A North Western Avenue, Watford, WD25 0AG | Dec 2019 | £269,950 | Flat / maisonette | Leasehold |
| 51 North Western Avenue, Watford, WD25 0AG | Mar 2019 | £418,200 | Semi-detached | Freehold |
| 103A North Western Avenue, Watford, WD25 0AG | Jan 2019 | £303,000 | Semi-detached | Freehold |
| 79 North Western Avenue, Watford, WD25 0AG | Feb 2018 | £20,000 | Other property | Freehold |
| 83A North Western Avenue, Watford, WD25 0AG | Aug 2017 | £285,000 | Flat / maisonette | Leasehold |
| 105 North Western Avenue, Watford, WD25 0AG | Apr 2017 | £207,000 | Flat / maisonette | Leasehold |
| 47 North Western Avenue, Watford, WD25 0AG | Mar 2016 | £390,000 | Semi-detached | Freehold |
| 87 North Western Avenue, Watford, WD25 0AG | Nov 2014 | £305,000 | Semi-detached | Freehold |
| 67 North Western Avenue, Watford, WD25 0AG | Nov 2011 | £247,000 | Semi-detached | Freehold |
| 79A North Western Avenue, Watford, WD25 0AG | Mar 2010 | £156,000 | Flat / maisonette | Leasehold |
| 103 North Western Avenue, Watford, WD25 0AG | Feb 2010 | £193,000 | Detached | Freehold |
| 73 North Western Avenue, Watford, WD25 0AG | Nov 2009 | £220,000 | Semi-detached | Freehold |
| 107A North Western Avenue, Watford, WD25 0AG | May 2008 | £132,000 | Flat / maisonette | Leasehold |
| 93 North Western Avenue, Watford, WD25 0AG | Dec 2007 | £245,000 | Semi-detached | Freehold |
| 49 North Western Avenue, Watford, WD25 0AG | Feb 2006 | £212,000 | Semi-detached | Freehold |
| 95A, College Hill, Watford, WD25 0AG | Nov 2005 | £128,000 | Flat / maisonette | Leasehold |
| 59 North Western Avenue, Watford, WD25 0AG | Nov 2002 | £193,500 | Semi-detached | Freehold |
| 89B North Western Avenue, Watford, WD25 0AG | Apr 2001 | £72,500 | Flat / maisonette | Leasehold |
| 83 North Western Avenue, Watford, WD25 0AG | Jan 2000 | £70,500 | Flat / maisonette | Leasehold |
| 57 North Western Avenue, Watford, WD25 0AG | Feb 1998 | £94,500 | Semi-detached | Freehold |
| 97A North Western Avenue, Watford, WD25 0AG | Jan 1997 | £40,000 | Flat / maisonette | Leasehold |
| 89A North Western Avenue, Watford, WD25 0AG | Sep 1996 | £30,000 | Flat / maisonette | Leasehold |
| 63 North Western Avenue, Watford, WD25 0AG | Jul 1996 | £66,600 | Semi-detached | Freehold |