| House Prices in Museum Mews, Rudolph Road, Bushey WD23 | £272,667 | - | 9 |
| House Prices in Mutton Lane, Potters Bar EN6 | £540,911 | 297 | 128 |
| House Prices in Mutton Lane, South Mimms, Potters Bar EN6 | £585,168 | 297 | 128 |
| House Prices in Myers Close, Shenley, Radlett WD7 | - | 7 | 5 |
| House Prices in Napier Drive, Bushey WD23 | £477,143 | 10 | - |
| House Prices in Nash Close, Elstree, Borehamwood WD6 | £742,900 | 13 | 1 |
| House Prices in Neagle Close, Borehamwood WD6 | £455,231 | 19 | - |
| House Prices in Nell Gwynn Close, Shenley, Radlett WD7 | £485,929 | 23 | 5 |
| House Prices in Netherwylde Cottages, Watling Street, Radlett WD7 | £1,071,333 | 3 | 2 |
| House Prices in Neville Close, Potters Bar EN6 | £611,769 | 19 | - |
| House Prices in Newark Green, Borehamwood WD6 | £413,167 | 25 | 6 |
| House Prices in Newberries Avenue, Radlett WD7 | £1,295,686 | 112 | 3 |
| House Prices in Newcome Path, Shenley, Radlett WD7 | £242,000 | - | 4 |
| House Prices in Newcome Road, Shenley, Radlett WD7 | £512,884 | 62 | 30 |
| House Prices in Newlands Avenue, Radlett WD7 | £3,493,400 | 59 | 5 |
| House Prices in Newlands Way, Potters Bar EN6 | £1,508,000 | 2 | - |
| House Prices in New Road, Elstree, Borehamwood WD6 | £405,000 | 4 | 1 |
| House Prices in New Road, Letchmore Heath, Watford WD25 | £981,538 | 20 | - |
| House Prices in New Road, Radlett WD7 | £630,881 | 54 | 5 |
| House Prices in New Road, Shenley, Radlett WD7 | £597,262 | 54 | 5 |
| House Prices in Newton Crescent, Borehamwood WD6 | £156,750 | 8 | 3 |
| House Prices in Nicholas Hawksmoor Drive, Borehamwood WD6 | £657,333 | 15 | - |
| House Prices in Nicholas Road, Elstree, Borehamwood WD6 | £1,246,471 | 22 | - |
| House Prices in Nicholson Drive, Bushey Heath, Bushey WD23 | - | 8 | - |
| House Prices in Nicoll Way, Borehamwood WD6 | £405,900 | 54 | 9 |
| House Prices in Nightingale Close, Radlett WD7 | £1,922,833 | 16 | - |
| House Prices in Nightingale Court, Park Road, Radlett WD7 | £558,750 | - | 13 |
| House Prices in Nightingale Road, Bushey WD23 | £992,350 | 29 | 1 |
| House Prices in Nimmo Drive, Bushey Heath, Bushey WD23 | £457,417 | 11 | 9 |
| House Prices in Niven Close, Borehamwood WD6 | £37,000 | 11 | 2 |
| House Prices in Norfolk Gardens, Borehamwood WD6 | £426,216 | 74 | 12 |
| House Prices in Norman Court, Potters Bar EN6 | £312,143 | - | 18 |
| House Prices in Normansfield Close, Bushey WD23 | £422,273 | 25 | 5 |
| House Prices in North Avenue, Shenley, Radlett WD7 | £555,407 | 60 | - |
| House Prices in Northfield Road, Borehamwood WD6 | £507,167 | 46 | - |
| House Prices in Northgate Path, Borehamwood WD6 | £180,667 | 14 | 28 |
| House Prices in Northlands, Potters Bar EN6 | £711,000 | 63 | - |
| House Prices in Norton Close, Borehamwood WD6 | £96,667 | 13 | 1 |
| House Prices in Norwich House, Stratfield Road, Borehamwood WD6 | £253,500 | - | 12 |
| House Prices in Novello Way, Borehamwood WD6 | £470,657 | 39 | - |
| House Prices in Nuffield House, Holmesley Road, Borehamwood WD6 | £348,935 | - | 31 |
| House Prices in Nuland Court, Drayton Road, Borehamwood WD6 | £284,500 | - | 6 |
| House Prices in Oakbank, Watling Street, Radlett WD7 | £301,053 | - | 22 |
| House Prices in Oakdene, Brook Drive, Radlett WD7 | £1,641,500 | 2 | - |
| House Prices in Oakdene, The Drive, Radlett WD7 | £1,842,500 | 2 | - |
| House Prices in Oak Farm, Arundel Drive, Borehamwood WD6 | £208,667 | - | 3 |
| House Prices in Oak Farm, Borehamwood WD6 | - | 16 | 22 |
| House Prices in Oakfield Close, Potters Bar EN6 | £501,864 | 44 | - |
| House Prices in Oakfield Court, Borehamwood WD6 | £771,667 | 3 | - |
| House Prices in Oaklands, California Lane, Bushey Heath, Bushey WD23 | £1,687,000 | 2 | 1 |
| House Prices in Oaklands, The Avenue, Bushey WD23 | £1,667,500 | 2 | 1 |
| House Prices in Oak Lodge, Heathbourne Road, Bushey Heath, Bushey WD23 | £2,280,000 | 1 | 1 |
| House Prices in Oakmere Avenue, Potters Bar EN6 | £598,106 | 78 | 14 |
| House Prices in Oakmere Close, Potters Bar EN6 | £657,778 | 14 | 1 |
| House Prices in Oakmere Lane, Potters Bar EN6 | £629,091 | 42 | 7 |
| House Prices in Oak Path, Bushey WD23 | £305,700 | 10 | 3 |
| House Prices in Oakridge Avenue, Radlett WD7 | £1,655,068 | 72 | 4 |
| House Prices in Oakridge Cottages, Oakridge Lane, Aldenham, Watford WD25 | £661,500 | 2 | - |
| House Prices in Oakridge House, High Road, Bushey Heath, Bushey WD23 | £1,940,000 | 1 | 1 |
| House Prices in Oakridge Lane, Aldenham, Watford WD25 | £661,500 | 4 | 1 |
| House Prices in Oakroyd Avenue, Potters Bar EN6 | £785,429 | 79 | 4 |
| House Prices in Oakroyd Close, Potters Bar EN6 | £769,688 | 23 | - |
| House Prices in Oaks Close, Radlett WD7 | £1,533,000 | 3 | - |
| House Prices in Oak Tree Court, Barnet Lane, Elstree, Borehamwood WD6 | £344,857 | - | 18 |
| House Prices in Oak View, Aspen Place, Bushey Heath, Bushey WD23 | £479,500 | - | 12 |
| House Prices in Oakwood Avenue, Borehamwood WD6 | £767,162 | 52 | - |
| House Prices in Oakwood House, Station Road, Borehamwood WD6 | £332,214 | - | 14 |
| House Prices in Oberon Close, Borehamwood WD6 | £440,341 | 49 | - |
| House Prices in Oddesey Road, Borehamwood WD6 | £535,105 | 27 | - |
| House Prices in Odette Court, Station Road, Borehamwood WD6 | £334,094 | - | 32 |
| House Prices in Old Barn House, St Marys Terrace, Elstree, Borehamwood WD6 | £599,000 | - | 2 |
| House Prices in Old Nursery Close, Shenley, Radlett WD7 | £1,180,000 | 12 | 1 |
| House Prices in Old School House, London Road, Shenley, Radlett WD7 | £596,000 | 1 | 1 |
| House Prices in Old Station House, Sparrows Herne, Bushey WD23 | £477,333 | - | 3 |
| House Prices in Orchard Close, Bushey Heath, Bushey WD23 | £659,500 | 20 | - |
| House Prices in Orchard Close, Elstree, Borehamwood WD6 | £1,591,286 | 8 | - |
| House Prices in Orchard Close, Radlett WD7 | £496,000 | 37 | 13 |
| House Prices in Orchard Cottage, New Road, Letchmore Heath, Watford WD25 | £1,383,500 | 2 | - |
| House Prices in Orchard Court, Mimms Hall Road, Potters Bar EN6 | £242,071 | - | 16 |
| House Prices in Orchard House, New Road, Letchmore Heath, Watford WD25 | £1,711,000 | 2 | - |
| House Prices in Orchard View, Shenley Hill, Radlett WD7 | £3,039,500 | 2 | - |
| House Prices in Orchard Way, Potters Bar EN6 | £530,400 | 16 | - |
| House Prices in Organ Hall Road, Borehamwood WD6 | £419,250 | 49 | - |
| House Prices in Ormesby Drive, Potters Bar EN6 | £556,000 | 39 | - |
| House Prices in Osborne Court, Arundel Drive, Borehamwood WD6 | £279,417 | - | 12 |
| House Prices in Osborne Court, Potters Bar EN6 | £876,000 | 3 | - |
| House Prices in Osborne Gardens, Potters Bar EN6 | £1,313,250 | 8 | 1 |
| House Prices in Osborne Road, Potters Bar EN6 | £1,342,042 | 38 | 4 |
| House Prices in Osborne Terrace, Bushey WD23 | £533,250 | 4 | - |
| House Prices in Otter Place, Park Avenue, Bushey WD23 | £332,300 | - | 10 |
| House Prices in Otterspool Lane, Watford WD25 | £879,750 | 9 | 1 |
| House Prices in Otterspool, Watford WD25 | £619,000 | 2 | - |
| House Prices in Otway Gardens, Bushey WD23 | £1,709,250 | 4 | - |
| House Prices in Otways Close, Potters Bar EN6 | £495,000 | 14 | - |
| House Prices in Otways Gardens, Bushey WD23 | - | 2 | - |
| House Prices in Oulton Crescent, Potters Bar EN6 | £582,681 | 92 | 1 |
| House Prices in Oundle Avenue, Bushey WD23 | £602,603 | 77 | 2 |
| House Prices in Owen Court, Grade Close, Elstree, Borehamwood WD6 | £431,846 | - | 15 |
| House Prices in Oxford House, Marlborough Drive, Bushey WD23 | £500,667 | - | 3 |
| House Prices in Packhorse Lane, Ridge, Potters Bar EN6 | - | 6 | 2 |
