| House Prices in Hugo Close, Watford WD18 | £621,833 | 6 | - |
| House Prices in Humberstone Close, Watford WD25 | £231,250 | 12 | 17 |
| House Prices in Hunters Gate, Hunters Lane, Leavesden, Watford WD25 | £223,419 | - | 35 |
| House Prices in Hunters Lane, Leavesden, Watford WD25 | £356,918 | 28 | 39 |
| House Prices in Hunters Lane, Watford WD25 | £360,245 | 28 | 39 |
| House Prices in Hurst Court, Elliot Road, Watford WD17 | £383,708 | - | 24 |
| House Prices in Imperial Way, Watford WD24 | £7,695,000 | - | 3 |
| House Prices in Islay House, Scammell Way, Watford WD18 | £248,722 | - | 18 |
| House Prices in Islay House, Watford WD18 | - | - | 18 |
| House Prices in Ivinghoe Close, Watford WD25 | £403,526 | 26 | - |
| House Prices in Ivy Close, Leavesden, Watford WD25 | £685,333 | 24 | 1 |
| House Prices in Ivy Court, Hamilton Street, Watford WD18 | £348,500 | - | 4 |
| House Prices in Ivy House, Eastbury Road, Watford WD19 | £256,625 | - | 16 |
| House Prices in Jellicoe Road, Watford WD18 | - | 22 | 41 |
| House Prices in Jersey House, Scammell Way, Watford WD18 | £198,444 | - | 18 |
| House Prices in Jersey House, Watford WD18 | - | - | 18 |
| House Prices in Jewell Court, Crown Rise, Watford WD25 | £212,714 | - | 7 |
| House Prices in Jordan Close, Watford WD25 | £622,182 | 11 | - |
| House Prices in Jordans Close, Watford WD25 | - | 16 | - |
| House Prices in Jubilee Road, Watford WD24 | £421,500 | 52 | 13 |
| House Prices in Judge Street, Watford WD24 | £370,504 | 140 | 10 |
| House Prices in Junction Court, Station Road, Watford WD17 | £420,357 | - | 14 |
| House Prices in Juniper Grove, Watford WD17 | £910,333 | 16 | - |
| House Prices in Keele Close, Watford WD24 | £408,754 | 6 | 51 |
| House Prices in Kelmscott Close, Watford WD18 | £508,474 | 27 | - |
| House Prices in Kelmscott Crescent, Watford WD1 | £606,000 | 51 | 8 |
| House Prices in Kelmscott Crescent, Watford WD18 | £606,000 | 51 | 8 |
| House Prices in Kelshall, Watford WD25 | £574,667 | 8 | - |
| House Prices in Kenford Close, Watford WD25 | £594,000 | 17 | 2 |
| House Prices in Kenilworth Court, Hempstead Road, Watford WD17 | £318,160 | - | 31 |
| House Prices in Kennett Court, Whippendell Road, Watford WD18 | £242,818 | - | 22 |
| House Prices in Kensington Avenue, Watford WD18 | £414,169 | 108 | 20 |
| House Prices in Kensington Mews, Kensington Avenue, Watford WD18 | £249,250 | - | 4 |
| House Prices in Keston Mews, Watford WD17 | £287,500 | - | 8 |
| House Prices in Kestrel Close, Watford WD25 | £435,125 | 10 | - |
| House Prices in Kilby Close, Watford WD25 | £387,167 | 36 | 21 |
| House Prices in Kildonan Close, Watford WD17 | £1,208,667 | 7 | - |
| House Prices in Kimble Close, Watford WD18 | £244,900 | 13 | 8 |
| House Prices in Kimblewick, Upper Hitch, Watford WD19 | £265,375 | - | 19 |
| House Prices in Kimpton Place, Watford WD25 | £465,100 | 10 | 6 |
| House Prices in King Edward Road, Watford WD19 | £578,429 | 58 | 7 |
| House Prices in King Georges Avenue, Watford WD18 | £364,220 | 81 | 111 |
| House Prices in Kings Avenue, Watford WD18 | £368,000 | 91 | 27 |
| House Prices in Kings Close, Watford WD18 | £469,500 | 13 | 6 |
| House Prices in Kingsfield Court, Kingsfield Road, Watford WD19 | £308,167 | - | 17 |
| House Prices in Kingsfield Road, Watford WD19 | £760,741 | 85 | 45 |
| House Prices in King Street, Watford WD18 | £305,941 | 3 | 35 |
| House Prices in Kingswood Road, Watford WD25 | £492,229 | 101 | - |
| House Prices in Kintyre House, Explorer Drive, Watford WD18 | £214,867 | - | 15 |
| House Prices in Kirkwood Court, Lockhart Road, Watford WD17 | £357,111 | - | 9 |
| House Prices in Knightsbridge Court, Observer Drive, Watford WD18 | £362,294 | - | 17 |
| House Prices in Knutsford Avenue, Watford WD24 | £577,417 | 65 | 2 |
| House Prices in Kytes Drive, Watford WD25 | - | 38 | 13 |
| House Prices in Lady Capels Wharf, Hempstead Road, Watford WD17 | £1,641,000 | 1 | 1 |
| House Prices in Ladys Close, Watford WD18 | £502,222 | 17 | 23 |
| House Prices in Lamb Close, Watford WD25 | £716,240 | 37 | 2 |
| House Prices in Lammas Lodge, Lammas Road, Watford WD18 | £234,500 | - | 3 |
| House Prices in Lammas Road, Watford WD18 | £360,522 | 21 | 5 |
| House Prices in Lancing House, Hallam Close, Watford WD24 | £294,706 | - | 18 |
| House Prices in Land Associated With, Shotfield, Watford WD19 | £192,000 | - | 3 |
| House Prices in Land Associated With, The Hoe, Watford WD19 | £189,000 | - | 3 |
| House Prices in Langley Croft, Langley Road, Watford WD17 | £358,000 | - | 2 |
| House Prices in Langley Place, Langley Road, Watford WD17 | £890,286 | 9 | - |
| House Prices in Langley Road, Watford WD17 | £500,699 | 83 | 237 |
| House Prices in Langley Way, Watford WD17 | £951,607 | 88 | 5 |
| House Prices in Langwood Gardens, Watford WD17 | £1,024,111 | 10 | 1 |
| House Prices in Langwood, Langley Road, Watford WD17 | £355,643 | - | 30 |
| House Prices in Lansdowne Close, Watford WD25 | £492,333 | 12 | 2 |
| House Prices in Lapwing Place, Watford WD25 | £320,882 | 42 | 13 |
| House Prices in Latimer Close, Watford WD18 | £416,333 | 38 | 17 |
| House Prices in Laurel Close, Watford WD19 | £1,206,000 | 3 | - |
| House Prices in Laurel House, St Johns Road, Watford WD17 | £275,600 | - | 5 |
| House Prices in Lavinia Avenue, Watford WD25 | £536,053 | 27 | 2 |
| House Prices in Lea Bushes, Watford WD25 | £404,833 | 22 | - |
| House Prices in Lea Farm Cottages, Watford WD25 | £455,000 | 1 | 1 |
| House Prices in Leaford Court, Leaford Crescent, Watford WD24 | £252,250 | - | 14 |
| House Prices in Leaford Crescent, Watford WD24 | £419,674 | 85 | 42 |
| House Prices in Leander Gardens, Watford WD25 | £543,250 | 5 | - |
| House Prices in Lea Road, Watford WD24 | £400,000 | 3 | 3 |
| House Prices in Leavesden Lodge, Leavesden Road, Watford WD24 | £302,333 | - | 15 |
| House Prices in Leavesden Road, Watford WD24 | £336,474 | 158 | 139 |
| House Prices in Lebanon Close, Watford WD17 | £572,722 | 22 | - |
| House Prices in Leggatts Close, Watford WD24 | £492,000 | 28 | - |
| House Prices in Leggatts Rise, Watford WD25 | £441,625 | 38 | - |
| House Prices in Leggatts Way, Watford WD24 | £460,603 | 94 | 11 |
| House Prices in Leggatts Wood Avenue, Watford WD24 | £426,808 | 90 | 30 |
| House Prices in Lemonfield Drive, Watford WD25 | £532,982 | 107 | 1 |
| House Prices in Lester Court, Buckingham Road, Watford WD24 | £425,000 | 1 | 2 |
| House Prices in Leveret Close, Watford WD25 | £535,833 | 46 | - |
| House Prices in Lewis House, Explorer Drive, Watford WD18 | £236,833 | - | 18 |
| House Prices in Lewis House, Scammell Way, Watford WD18 | £232,778 | - | 18 |
| House Prices in Lewis House, Watford WD18 | - | - | 3 |
| House Prices in Ley Farm Close, Watford WD25 | £282,120 | - | 156 |
| House Prices in Liberty Apartments, Devon Road, Watford WD24 | £327,923 | - | 13 |
| House Prices in Lime Close, Watford WD19 | £642,333 | 6 | - |
| House Prices in Linden Avenue, Watford WD18 | £410,188 | - | 16 |
| House Prices in Linden House, Sydney Road, Watford WD18 | £339,400 | - | 5 |
| House Prices in Linden Lea, Watford WD25 | £412,923 | 29 | 19 |
| House Prices in Lindens, Nascot Road, Watford WD17 | £289,429 | - | 15 |
| House Prices in Lingfield Way, Watford WD17 | £1,393,737 | 19 | - |
