| Willow Brook, 1 Ballinderry, Mullingar | €342,000 | 2018-01-17 |
| Windmill, Prospect, Mullingar | €193,000 | 2017-05-02 |
| Windtown, Gaybrook, Mullingar | €420,000 | 2022-10-17 |
| Winetown, Rathowen, Mullingar | €192,500 | 2020-03-30 |
| Winterwood, Lynn, Mullingar | €755,000 | 2026-01-12 |
| Wood Down, The Downs, Mullingar | €285,000 | 2015-09-03 |
| Wooddown, Mullingar, Westmeath | €297,500 | 2018-03-28 |
| Wooddown, The Downs, Mullingar | €315,000 | 2018-03-16 |
| Woodgrove, Gaybrook Demesne, Mullingar | €310,000 | 2014-08-29 |
| Woodlawn, Ardmore Rd, Mullingar | €530,000 | 2022-12-14 |
| Woodleigh, Ballinderry, Mullingar | €110,000 | 2014-05-28 |
| Woodville House, Gaybrook, Mullingar | €208,000 | 2017-09-28 |