| House Prices in Holwell Court, Holwell, Essendon, Hatfield AL9 | £518,421 | 6 | 15 |
| House Prices in Holwell Court, Holwell, Hatfield AL9 | £501,474 | 6 | 15 |
| House Prices in Holwell, Essendon, Hatfield AL9 | £734,870 | 14 | 56 |
| House Prices in Holwell, Hatfield AL9 | £711,217 | 14 | 56 |
| House Prices in Holwell Hyde Lane, Welwyn Garden City AL7 | - | 2 | - |
| House Prices in Holwell Hyde, Welwyn Garden City AL7 | £675,500 | 9 | - |
| House Prices in Holwell Manor Cottages, Essendon Hill, Essendon, Hatfield AL9 | £520,500 | 3 | - |
| House Prices in Holwell Road, Welwyn Garden City AL7 | £399,757 | 93 | 2 |
| House Prices in Home Farm Road, North Mymms, Hatfield AL9 | £1,333,000 | 10 | 1 |
| House Prices in Home Farm, Whitehill, Welwyn AL6 | £1,977,000 | 1 | 1 |
| House Prices in Home Ley, Welwyn Garden City AL7 | £283,875 | 13 | 13 |
| House Prices in Home Meadow, Welwyn Garden City AL7 | £253,333 | 14 | 14 |
| House Prices in Homerfield, Welwyn Garden City AL8 | £840,385 | 13 | 1 |
| House Prices in Homerswood Lane, Welwyn AL6 | - | 2 | - |
| House Prices in Homestead Court, Welwyn Garden City AL7 | £228,500 | 1 | 45 |
| House Prices in Homestead Lane, Welwyn Garden City AL7 | £496,118 | 74 | 5 |
| House Prices in Homestead Road, Hatfield AL10 | £439,733 | 78 | 8 |
| House Prices in Homewood Avenue, Cuffley, Potters Bar EN6 | £895,891 | 67 | - |
| House Prices in Homewood Lane, Northaw, Potters Bar EN6 | £2,827,500 | 3 | - |
| House Prices in Honeycroft, Welwyn Garden City AL8 | £879,400 | 9 | 1 |
| House Prices in Honeymead, Welwyn AL6 | £493,824 | 19 | - |
| House Prices in Honeysuckle Gardens, Hatfield AL10 | £323,655 | 50 | 2 |
| House Prices in Hook Lane, Northaw, Potters Bar EN6 | £888,800 | 12 | - |
| House Prices in Hornbeam Lane, Essendon, Hatfield AL9 | £1,502,500 | 4 | - |
| House Prices in Hornbeams, Welwyn Garden City AL7 | £231,400 | - | 5 |
| House Prices in Hornsfield, Welwyn Garden City AL7 | £436,692 | 20 | - |
| House Prices in Horsa Gardens, Hatfield AL10 | £567,136 | 20 | 2 |
| House Prices in Howard House, Howardsgate, Welwyn Garden City AL8 | £211,667 | - | 52 |
| House Prices in Howardsgate, Welwyn Garden City AL8 | £260,350 | - | 98 |
| House Prices in Howe Dell, Hatfield AL10 | £300,632 | 46 | 13 |
| House Prices in Howicks Green, Welwyn Garden City AL7 | £398,435 | 60 | - |
| House Prices in Howlands, Welwyn Garden City AL7 | £414,867 | 417 | 261 |
| House Prices in Hudson House, Bessemer Road, Welwyn Garden City AL7 | £330,316 | - | 38 |
| House Prices in Huggins Lane, Welham Green, Hatfield AL9 | £619,048 | 62 | - |
| House Prices in Hunsdon, Welwyn Garden City AL7 | £591,833 | 16 | - |
| House Prices in Hunters Way, Welwyn Garden City AL7 | £453,933 | 41 | - |
| House Prices in Hurst Close, Welwyn Garden City AL7 | £668,857 | 8 | - |
| House Prices in Hurstlings, Welwyn Garden City AL7 | £415,760 | 28 | - |
| House Prices in Hyderabad Close, Welwyn Garden City AL7 | £381,667 | 3 | - |
| House Prices in Hyde Valley, Welwyn Garden City AL7 | £458,300 | 35 | 66 |
| House Prices in Hyde Way, Welwyn Garden City AL7 | £555,000 | 5 | - |
| House Prices in Indells, Hatfield AL10 | £361,591 | 34 | - |
| House Prices in Ingles, Welwyn Garden City AL8 | £408,931 | 92 | 1 |
| House Prices in Iveagh House, Welwyn Garden City AL7 | - | - | 28 |
| House Prices in Ivory Close, St Albans AL4 | £1,113,625 | 8 | - |
| House Prices in Ivory House, High Road, Essendon, Hatfield AL9 | £4,660,000 | 1 | 1 |
| House Prices in Ivy Walk, Hatfield AL10 | £517,467 | 15 | - |
| House Prices in Jackdaws, Welwyn Garden City AL7 | £207,300 | 8 | 12 |
| House Prices in Jacobs Ladder, Hatfield AL9 | £188,000 | 3 | 10 |
| House Prices in Jasmine Gardens, Hatfield AL10 | £278,462 | 59 | 22 |
| House Prices in Jenning Wood, Welwyn AL6 | £884,000 | 10 | - |
| House Prices in Jersey Court, Milk Churn Way, Woolmer Green, Knebworth SG3 | £280,000 | - | 4 |
| House Prices in John Eccles House, Ludwick Way, Welwyn Garden City AL7 | £222,667 | - | 6 |
| House Prices in Jonquil Close, Welwyn Garden City AL7 | - | 27 | 11 |
| House Prices in Jordans, Hilly Fields, Welwyn Garden City AL7 | £233,235 | - | 46 |
| House Prices in Judges Hill, Northaw, Potters Bar EN6 | £1,192,000 | 7 | 2 |
| House Prices in Junction Cottages, Blakemere Road, Welwyn Garden City AL8 | £553,333 | 3 | 3 |
| House Prices in Juniper Gardens, Welwyn AL6 | £475,583 | 9 | 4 |
| House Prices in Katescroft, Welwyn Garden City AL7 | £409,750 | 14 | - |
| House Prices in Kelbys, Welwyn Garden City AL7 | £461,286 | 15 | - |
| House Prices in Kendall Close, Welwyn Garden City AL7 | - | 6 | - |
| House Prices in Kentish Lane, Brookmans Park, Hatfield AL9 | £2,575,130 | 38 | 6 |
| House Prices in Kentish Lane, Essendon, Hatfield AL9 | £2,396,957 | 38 | 6 |
| House Prices in Kentish Lane, Hatfield AL9 | £2,315,913 | 38 | 6 |
| House Prices in Kenyon Place, Welwyn Garden City AL7 | £574,818 | 11 | 1 |
| House Prices in Kestrel Green, Hatfield AL10 | £377,733 | 22 | - |
| House Prices in Kilnfield, Welwyn Garden City AL7 | £362,500 | 12 | - |
| House Prices in Kilworth Close, Welwyn Garden City AL7 | - | 45 | 22 |
| House Prices in Kimpton Road, Welwyn AL6 | £1,325,444 | 17 | - |
| House Prices in Kindersley Close, Welwyn AL6 | £847,400 | 15 | - |
| House Prices in King James Avenue, Cuffley, Potters Bar EN6 | £913,557 | 81 | - |
| House Prices in Kingscroft, Welwyn Garden City AL7 | £235,538 | 8 | 22 |
| House Prices in Kingsdale House, Welwyn AL6 | - | - | 25 |
| House Prices in Kingsdale House, Windsor Road, Welwyn AL6 | £192,100 | - | 10 |
| House Prices in Kingsley Court, Welwyn Garden City AL7 | £600,488 | 43 | 8 |
| House Prices in Kingsmead, Cuffley, Potters Bar EN6 | £938,238 | 33 | - |
| House Prices in Kingsmill Court, Hatfield AL10 | £380,875 | 8 | 1 |
| House Prices in Kings Place, North Drive, Hatfield AL9 | £285,000 | - | 24 |
| House Prices in Kingswell Ride, Cuffley, Potters Bar EN6 | £825,211 | 28 | - |
| House Prices in Kirklands, Welwyn Garden City AL8 | £471,542 | 46 | - |
| House Prices in Knella Green, Welwyn Garden City AL7 | £360,900 | 36 | - |
| House Prices in Knella Road, Welwyn Garden City AL7 | £398,657 | 258 | 24 |
| House Prices in Knightsfield, Welwyn Garden City AL8 | £576,163 | 265 | 20 |
| House Prices in Knolles Crescent, Welham Green, Hatfield AL9 | £458,360 | 58 | - |
| House Prices in Lady Grove, Welwyn Garden City AL7 | £433,520 | 45 | - |
| House Prices in Lakeside Manor, West End, Essendon, Hatfield AL9 | £5,582,000 | 1 | 1 |
| House Prices in Lamb Close, Hatfield AL10 | £346,636 | 22 | - |
| House Prices in Lambs Close, Cuffley, Potters Bar EN6 | £288,928 | 12 | 68 |
| House Prices in Lancaster Way, Welwyn AL6 | £379,250 | 10 | - |
| House Prices in Landbeach, Welwyn Garden City AL7 | £602,067 | 15 | - |
| House Prices in Lane End, Hatfield AL10 | £255,250 | 3 | 15 |
| House Prices in Lanefield Walk, Welwyn Garden City AL8 | £353,000 | 5 | 16 |
| House Prices in Lanercost Close, Welwyn AL6 | £1,320,250 | 7 | - |
| House Prices in Langstone Ley, Welwyn Garden City AL7 | £596,978 | 52 | 24 |
| House Prices in Larch Lane, Welwyn AL6 | £643,000 | 5 | - |
| House Prices in Lark Rise, Hatfield AL10 | £439,900 | 55 | - |
| House Prices in Latimer Gardens, Welwyn Garden City AL7 | - | 14 | - |
| House Prices in Laurel Court, Cuffley, Potters Bar EN6 | £321,500 | - | 6 |
| House Prices in Lavender Close, Hatfield AL10 | £622,238 | 40 | 10 |
| House Prices in Lawrence Hall End, Welwyn Garden City AL7 | £630,158 | 19 | 1 |
