| House Prices in Lingmoor Drive, Watford WD25 | £461,000 | 20 | - |
| House Prices in Linnet House, The Oaks, Watford WD19 | £1,701,000 | 1 | 1 |
| House Prices in Littlebury Court, Mildred Avenue, Watford WD18 | £233,000 | - | 7 |
| House Prices in Liverpool Road, Watford WD18 | £371,180 | 116 | 14 |
| House Prices in Loates Lane, Watford WD17 | £356,240 | 40 | 107 |
| House Prices in Local Board Road, Watford WD17 | £339,667 | 3 | 2 |
| House Prices in Lockhart Road, Watford WD17 | £344,922 | 6 | 153 |
| House Prices in Lodge Close, Garston, Watford WD25 | £1,068,750 | 4 | - |
| House Prices in Lodge Court, High Road, Leavesden, Watford WD25 | £252,286 | - | 8 |
| House Prices in Long Barn Close, Watford WD25 | £638,800 | 6 | - |
| House Prices in Longcroft, Watford WD19 | £412,500 | 44 | 91 |
| House Prices in Longmans Close, Watford WD18 | - | 24 | - |
| House Prices in Longspring, Watford WD24 | £348,690 | 70 | 25 |
| House Prices in Lorane Court, Langley Road, Watford WD17 | £338,000 | - | 31 |
| House Prices in Lord Street, Watford WD17 | £380,842 | - | 119 |
| House Prices in Louvain Way, Watford WD25 | £425,571 | 44 | 12 |
| House Prices in Lower High Street, Watford WD1 | £201,658 | 3 | 135 |
| House Prices in Lower High Street, Watford WD17 | £271,388 | 3 | 135 |
| House Prices in Lower Paddock Road, Oxhey, Watford WD19 | £546,909 | 103 | 4 |
| House Prices in Lower Paddock Road, Watford WD19 | £551,184 | 103 | 4 |
| House Prices in Lower Tail, Watford WD19 | £544,281 | 49 | - |
| House Prices in Lowestoft Road, Watford WD24 | £352,378 | 38 | 9 |
| House Prices in Loweswater Close, Watford WD25 | £301,568 | 18 | 60 |
| House Prices in Lowry Court, Baxter Road, Watford WD24 | £153,000 | - | 4 |
| House Prices in Lowson Grove, Watford WD19 | £574,500 | 7 | - |
| House Prices in Lucas Court, Hagden Lane, Watford WD18 | £351,588 | - | 17 |
| House Prices in Lucida Court, Whippendell Road, Watford WD18 | £322,640 | - | 26 |
| House Prices in Lundy House, Himalayan Way, Watford WD18 | £208,478 | - | 23 |
| House Prices in Lych Gate, Watford WD25 | £331,583 | 12 | 27 |
| House Prices in Lymington Court, Watford WD25 | £222,133 | - | 16 |
| House Prices in Lynbury Court, Rickmansworth Road, Watford WD18 | £315,350 | - | 23 |
| House Prices in Macdonnell Gardens, Leavesden, Watford WD25 | - | 12 | - |
| House Prices in Maddison Heights, Chiltern Close, Watford WD18 | £223,636 | - | 18 |
| House Prices in Magpie Place, Watford WD25 | £346,000 | 44 | 4 |
| House Prices in Malden Lodge, Alexandra Road, Watford WD17 | £219,000 | - | 12 |
| House Prices in Malden Road, Watford WD1 | £478,524 | 41 | 45 |
| House Prices in Malden Road, Watford WD17 | £421,468 | 41 | 46 |
| House Prices in Malkin Way, Watford WD18 | £836,227 | 22 | - |
| House Prices in Mallard Way, Watford WD25 | £542,278 | 30 | - |
| House Prices in Mandeville Close, Watford WD17 | £1,007,750 | 19 | - |
| House Prices in Manhattan Avenue, Watford WD18 | £382,364 | - | 22 |
| House Prices in Manhattan Place, Metropolitan Mews, Watford WD18 | £412,000 | - | 6 |
| House Prices in Manning Court, Eastbury Road, Watford WD19 | £322,538 | - | 19 |
| House Prices in Manor Road, Watford WD17 | £964,538 | 17 | 1 |
| House Prices in Maple Grove, Watford WD17 | £738,273 | 11 | - |
| House Prices in Maple Lodge, Riverwell Close, Watford WD18 | £389,485 | - | 33 |
| House Prices in Margaret Court, Schreiber Grange, Watford WD17 | - | - | 2 |
| House Prices in Market Street, Watford WD18 | £445,926 | 21 | 72 |
| House Prices in Marlborough Road, Watford WD18 | £300,576 | 37 | 90 |
| House Prices in Marri Street, Watford WD24 | £351,145 | - | 69 |
| House Prices in Marsworth Close, Watford WD18 | £358,750 | 5 | - |
| House Prices in Matisse House, Cassio Place, Watford WD18 | £426,375 | - | 8 |
| House Prices in Maude Crescent, Watford WD24 | £458,333 | 27 | 2 |
| House Prices in Maxwell Court, Schreiber Grange, Watford WD17 | £449,833 | - | 6 |
| House Prices in Maxwell Rise, Watford WD19 | £767,300 | 13 | - |
| House Prices in May Cottages, Watford WD18 | £419,000 | 3 | - |
| House Prices in Mayfair Court, Observer Drive, Watford WD18 | £376,900 | - | 30 |
| House Prices in Maythorne Close, Watford WD18 | £523,963 | 41 | - |
| House Prices in Maytree Crescent, Watford WD24 | £444,443 | 91 | 12 |
| House Prices in Meadowbank, Watford WD19 | £719,379 | 42 | 2 |
| House Prices in Meadow Road, Watford WD25 | £530,906 | 86 | - |
| House Prices in Meadow Side, Watford WD25 | - | 4 | - |
| House Prices in Meadowside, Woodside Road, Watford WD25 | £778,000 | 4 | - |
| House Prices in Medway Close, Watford WD25 | £541,167 | 16 | - |
| House Prices in Melia Close, Garston, Watford WD25 | £401,312 | 4 | 12 |
| House Prices in Melrose Place, Watford WD17 | £422,660 | 28 | 29 |
| House Prices in Mercury House, Linden Avenue, Watford WD18 | £395,250 | - | 8 |
| House Prices in Meriden Way, Watford WD25 | £508,364 | 33 | - |
| House Prices in Merlin Way, Leavesden, Watford WD25 | £657,040 | 26 | - |
| House Prices in Merrow Grange, Langley Road, Watford WD17 | £285,625 | - | 8 |
| House Prices in Merryfields, Ashby Road, Watford WD24 | £267,600 | 1 | 14 |
| House Prices in Merton Road, Watford WD18 | £323,281 | 39 | 3 |
| House Prices in Metropolitan Mews, Watford WD18 | £412,000 | - | 6 |
| House Prices in Metropolitan Place, Rickmansworth Road, Watford WD18 | £392,278 | - | 19 |
| House Prices in Metropolitan Station Approach, Watford WD18 | £428,956 | - | 135 |
| House Prices in Middle Ope, Watford WD24 | £471,000 | 12 | - |
| House Prices in Middle Way, Watford WD24 | £423,808 | 51 | 6 |
| House Prices in Midsummer Lodge, Sheepcot Lane, Watford WD25 | £318,214 | - | 17 |
| House Prices in Milbourne Court, Alexandra Road, Watford WD17 | £354,364 | - | 14 |
| House Prices in Mildred Avenue, Watford WD18 | £605,957 | 99 | 57 |
| House Prices in Milner Close, Watford WD25 | £409,000 | 4 | - |
| House Prices in Milton Street, Watford WD24 | £400,360 | 31 | 5 |
| House Prices in Minerva Drive, Watford WD24 | £687,125 | 18 | - |
| House Prices in Missenden House, Chenies Way, Watford WD18 | £216,000 | - | 9 |
| House Prices in Modena Mews, Watford WD18 | £392,667 | - | 24 |
| House Prices in Molteno Road, Watford WD17 | £806,045 | 22 | - |
| House Prices in Monet House, Cassio Place, Watford WD18 | £382,222 | - | 9 |
| House Prices in Monica Close, Watford WD24 | £398,526 | 50 | - |
| House Prices in Monmouth Road, Watford WD17 | £627,250 | 11 | 15 |
| House Prices in Mons Cottage, Bucknalls Lane, Watford WD25 | £1,123,000 | 2 | - |
| House Prices in Moore Court, Dodd Road, Watford WD24 | £258,267 | - | 16 |
| House Prices in Moore Road, Abbots Langley WD25 | £484,750 | 8 | - |
| House Prices in Moore Road, Watford WD25 | £486,500 | 8 | - |
| House Prices in Moor View, Watford WD18 | £363,565 | 26 | 110 |
| House Prices in Morten Court, Dodd Road, Watford WD24 | £283,625 | - | 8 |
| House Prices in Moss Road, Watford WD25 | £509,053 | 29 | 3 |
| House Prices in Mowlam Court, Dodd Road, Watford WD24 | £301,667 | - | 11 |
| House Prices in Mulberry Close, Watford WD17 | £599,714 | 16 | 5 |
| House Prices in Mulberry Lodge, Eastbury Road, Watford WD19 | £338,786 | - | 15 |
| House Prices in Mull House, Himalayan Way, Watford WD18 | £211,222 | - | 18 |
