| 21 Castle Avenue, Hereford Park, Leixlip | €440,529 | 2024-12-16 |
| 21 Castle Green, Hereford Park, Leixlip | €295,000 | 2024-12-19 |
| 21 Castle Park, Athy, Kildare | €135,000 | 2023-01-17 |
| 21 Castle Village Drive, Celbridge, Co Kildare | €190,000 | 2014-03-27 |
| 21 Castle Village Woods, Celbridge, Co Kildare | €454,000 | 2025-08-07 |
| 21 Castlepark Avenue, Dunboyne Road, Maynooth | €245,815 | 2012-08-22 |
| 21 Castlepark Drive, Dunboyne Road, Maynooth | €336,123 | 2015-07-13 |
| 21 Castlepark Square, Castlepark, Dunboyne Road Maynooth | €403,083 | 2014-08-22 |
| 21 Castleraven, Nurney, Kildare | €248,000 | 2019-10-22 |
| 21 Castlesize Way, Sallins, Kildare | €285,000 | 2021-03-19 |
| 21 Castletown Grove, Celbridge, Kildare | €340,000 | 2020-03-30 |
| 21 Castletown, Leixlip, Kildare | €295,000 | 2015-07-17 |
| 21 Castlewellan Park, Aghards Road, Celbridge | €360,000 | 2021-06-14 |
| 21 Charter House, Maynooth | €80,000 | 2012-11-27 |
| 21 Charter House, Maynooth, Kildare | €98,000 | 2014-06-09 |
| 21 Chelmsford Manor, Newtown Road, Celbridge | €363,300 | 2016-04-15 |
| 21 Chelmsford, Celbridge | €550,000 | 2010-06-25 |
| 21 Chelmsford, Celbridge, Co Kildare | €720,000 | 2022-11-17 |
| 21 Cherrywood, Castletown, Celbridge | €80,000 | 2025-10-04 |
| 21 Churchfield, Clane, Kildare | €220,000 | 2021-12-03 |
| 21 Cill Dara Close, Celbridge, Kildare | €315,000 | 2017-01-04 |
| 21 Claregate Court, Kildare | €110,000 | 2018-04-20 |
| 21 Clonmullion Retirement Village, Moneen Lane, Athy | €276,950 | 2016-04-11 |
| 21 Cluain Aoibhinn, Naas, Co Kildare | €378,000 | 2023-07-17 |
| 21 Cluain Ard, Kilmeade, Athy | €200,000 | 2017-03-08 |
| 21 Cluain Bhearu, Monasterevan Road, Athy | €230,000 | 2018-08-21 |
| 21 Cluain Dara, Rinawade, Leixlip | €202,643 | 2019-06-07 |
| 21 Cluaindara, Derrinturn Carbury, Kildare | €247,750 | 2023-11-02 |
| 21 Cnoc Na Greine, Kilcullen, Co Kildare | €230,000 | 2017-10-20 |
| 21 Cois Urlann, Downings North, Prosperous | €383,260 | 2023-12-06 |
| 21 College Farm, Woods, Kildare | €210,000 | 2022-11-18 |
| 21 College Green, Maynooth, Kildare | €360,000 | 2024-10-02 |
| 21 College Orchard, Newbridge, Kildare | €257,000 | 2019-12-02 |
| 21 Coney Ave, Coneyboro, Athy | €190,000 | 2023-12-21 |
| 21 Coney Dr, Carlow Rd, Athy | €210,000 | 2022-07-13 |
| 21 Coney Green, Coneyboro, Athy | €66,079 | 2013-12-04 |
| 21 Coney Meadows, Coneyboro, Athy | €104,582 | 2020-10-21 |
| 21 Coney Pk, Coneyboro, Athy | €170,000 | 2022-08-10 |
| 21 Coney Willows, Coneyboro, Athy | €299,558 | 2025-12-11 |
| 21 Connolly Place, Hereford, Leixlip | €466,960 | 2025-06-19 |
| 21 Coolaghknock Gardens, The Plains, Kildare | €285,000 | 2022-09-06 |
| 21 Corran Ard, Athy, Kildare | €255,000 | 2021-12-21 |
| 21 Croakaun Way, Brownstown, Curragh | €261,000 | 2020-12-15 |
| 21 Crockanure Avenue, Kildare Town | €78,000 | 2012-12-19 |
| 21 Crotanstown Grange, Green Road, Newbridge | €260,000 | 2013-11-06 |
| 21 Curragh Farm, Ballymany, Newbridge | €369,750 | 2022-08-23 |
| 21 Cyprian Ave, The Hollands, Athy | €150,000 | 2018-08-15 |
| 21 Derby Lodge, The Curragh, Co Kildare | €126,000 | 2022-05-04 |
| 21 Distillery Court, Monasterevin, Co. Kildare | €290,000 | 2025-09-18 |
| 21 Dreenane Park, Derrinturn, Carbury | €190,000 | 2020-10-09 |
| 21 Duke St, Athy, Kildare | €60,000 | 2021-08-27 |
| 21 Earl's Court Avenue, Hillfort, Kill | €290,000 | 2022-12-22 |
| 21 Eascanrath Brook, Suncroft, The Curragh | €315,420 | 2018-06-07 |
| 21 Easton Mews, Leixlip, Kildare | €110,605 | 2023-05-31 |
| 21 Emerson Court, Prosperous, Kildare | €370,000 | 2023-10-12 |
| 21 Esmonde Avenue, Ballinagappa Road, Clane | €290,749 | 2015-07-08 |
| 21 Fairfield, Athy, Kildare | €100,000 | 2020-12-18 |
| 21 Farnan Wood, Downings North, Prosperous | €352,500 | 2023-12-11 |
| 21 Fenton Green, Church Street, Kilcock | €350,000 | 2019-02-15 |
| 21 Ferns Ave, Fernsbridge, Monasterevin | €200,000 | 2020-05-29 |
| 21 Ferns Close, Ferns Bridge, Monasterevin | €143,000 | 2020-12-17 |
| 21 Ferns Green, Ferns Bridge, Monasterevin | €181,950 | 2017-11-15 |
| 21 Ferns Wood, Fernsbridge, Monasterevin | €339,100 | 2023-09-08 |
| 21 Finlay Park, Old Carragh Road, Naas | €350,000 | 2017-10-04 |
| 21 Forest Park, Leixlip, Kildare | €300,000 | 2021-07-30 |
| 21 Fountain Field, Thomastown | €343,612 | 2026-01-19 |
| 21 Furness Wood, Johnstown | €387,665 | 2020-11-05 |
| 21 Gaelic View, Kill, Kildare | €372,000 | 2023-10-06 |
| 21 Geraldine House, Lyreen Manor, Maynooth | €180,000 | 2018-09-27 |
| 21 Glen Bhearu, Athy, Kildare | €219,000 | 2026-08-28 |
| 21 Glen Easton Gardens, Leixlip | €332,000 | 2011-04-15 |
| 21 Glen Easton Lodge, Leixlip, Kildare | €183,000 | 2020-11-17 |
| 21 Gleneaston Green, Leixlip, Kildare | €393,000 | 2014-10-22 |
| 21 Grand Canal Wood, Allenwood | €299,000 | 2021-02-17 |
| 21 Griffinrath Manor, Celbridge Road, Maynooth | €431,718 | 2014-02-26 |
| 21 Hamilton Park Green, Dublin Road, Clane | €418,502 | 2025-07-22 |
| 21 Hammerstone, Straffan, Kildare | €370,044 | 2020-12-14 |
| 21 Harpur Avenue, Harpur Lane, Leixlip | €449,339 | 2023-02-22 |
| 21 Harpur Park Vale, Harpur Lane, Leixlip | €414,097 | 2026-04-30 |
| 21 Harpur Way, Harpur Lane, Leixlip | €440,529 | 2025-12-16 |
| 21 Harristown Drive, Kildangan Village, County Kildare | €325,991 | 2022-10-14 |
| 21 Hartwell Green, Kill, Kildare | €347,000 | 2018-10-02 |
| 21 Hawthorn Gate, Maynooth Road, Celbridge | €221,627 | 2017-12-11 |
| 21 Hawthorn Manor, Brockagh, Coill Dubh | €268,723 | 2019-05-22 |
| 21 Hawthorn Wood, Carna Suncroft, Kildare | €627,000 | 2026-08-25 |
| 21 Hayfield, Straffan Road, County Kildare | €317,797 | 2016-07-27 |
| 21 Hazelwood Park, Hazelwood, Hazelhatch Road | €299,600 | 2016-05-18 |
| 21 Hemingway Park, Moat Commons, Clane | €279,000 | 2021-09-17 |
| 21 Heritage House, Lyreen Manor, Maynooth | €325,000 | 2024-12-16 |
| 21 Hillcrest, Bellingsfield, Kilcullen Road | €314,538 | 2020-12-04 |
| 21 Hillfort Drive, Hillfort, Kildare | €465,000 | 2023-12-14 |
| 21 Hillside, Bellingsfield, Kilcullen Road | €339,207 | 2018-05-24 |
| 21 Hillview Heights, Clane, Co Kildare | €333,000 | 2025-02-07 |
| 21 Hillview, Bellingsfield, Kilcullen Road | €516,000 | 2025-06-03 |
| 21 Hillview, Clane, Kildare | €255,000 | 2019-02-25 |
| 21 Hollands Close, Athy | €10,000 | 2011-07-11 |
| 21 Hollywood Park, Naas, Co Kildare | €162,500 | 2013-03-13 |
| 21 Hunter's Wood, Osberstown, Naas | €122,000 | 2013-03-01 |
| 21 Hunters Wood, Osberstown, Naas | €375,000 | 2024-12-17 |
| 21 Jigginstown Green, Naas | €250,000 | 2012-04-18 |
| 21 Kanes Pass, Cooleragh, Naas | €342,000 | 2025-12-17 |
| 21 Kerdiff Close, Naas, Kildare | €318,000 | 2018-11-27 |
| 21 Kilbelin Abbey, Walshestown, Newbridge | €230,576 | 2013-06-07 |
| 21 Kilheale Avenue, Kilheale Manor, Kill | €274,205 | 2016-12-27 |
| 21 Kilheale Drive, Kilheale Manor, Kill | €255,507 | 2018-01-04 |
| 21 Kilheale Heath, Kilheale Manor, Kill | €418,502 | 2023-03-01 |
| 21 Kilheale Heights, Kilheale Manor, Kill | €365,639 | 2022-11-24 |
| 21 Kilheale Meadows, Kilheale Manor, Kill | €259,912 | 2018-12-17 |
| 21 Kilheale Park Kilheale Manor, Kill | €396,475 | 2023-09-27 |
| 21 Killashee View, Naas, County Kildare | €486,500 | 2018-08-22 |
| 21 Kilmalum Ave, Blessington Manor, Blessington | €203,000 | 2021-05-25 |
| 21 Kilmalum Dr, Blessington Manor, Blessington | €380,000 | 2024-06-21 |
| 21 Knightswood, Johnstown, Naas | €387,665 | 2022-04-13 |
| 21 Lacken View, Naas, Kildare | €330,000 | 2025-05-12 |
| 21 Landen Park, Oldtown Demesne, Naas | €321,586 | 2016-08-19 |
| 21 Langton Park, Newbridge, Co Kildare | €305,000 | 2024-05-13 |
| 21 Laurence Avenue, Maynooth | €193,000 | 2011-12-09 |
| 21 Leinster Cottages, Maynooth, Kildare | €245,000 | 2021-03-05 |
| 21 Leinster Square, Dublin Road, Kildare | €325,000 | 2023-10-23 |
| 21 Leinster Woods, Carton House, Maynooth | €700,000 | 2023-10-24 |
| 21 Lerr View, Abbeylands Barnhill, Castledermot | €70,067 | 2015-06-16 |
| 21 Liffey Mill Avenue, Athgarvan, Newbridge | €295,000 | 2022-08-24 |
| 21 Limetree Hall, Dublin Road, Maynooth | €343,932 | 2017-04-13 |
| 21 Linden Avenue, Linden Demesne, Maynooth | €462,555 | 2023-07-05 |
| 21 Longstone, Blessington Road, Cradockstown | €471,365 | 2021-11-24 |
| 21 Lowtownmanor, Robertstown, Kildare | €220,000 | 2016-10-21 |
| 21 Lyreen Close, Mariaville, Maynooth | €427,313 | 2020-04-24 |
| 21 Lyreen Drive, Mariavilla, Maynooth | €422,907 | 2020-12-02 |
| 21 Lyreen Lodge, Dunboyne Road, Maynooth | €506,608 | 2022-08-23 |
| 21 Lyreen Meadows, Kilcock | €453,745 | 2025-07-31 |
| 21 Lyreen Place, Mariavilla, Maynooth | €339,207 | 2019-12-04 |
| 21 Maddenstown Terrace, The Curragh, Kildare | €121,000 | 2019-10-02 |
| 21 Manor Mill View, Oldtown Mill, Celbridge | €369,555 | 2023-07-26 |
| 21 Maple Lawns, Oldtown Demesne, Naas | €370,000 | 2022-02-01 |
| 21 Maples, Newbridge, Co Kildare | €114,000 | 2016-03-09 |
| 21 Mapletoft Close, Prosperous, Co Kildare | €451,000 | 2025-03-31 |
| 21 Marina Court, Athy, Kildare | €190,000 | 2023-05-26 |
| 21 Market Square, Kilcullen, Co Kildare | €47,536 | 2015-03-27 |
| 21 Meadowbrook Ave, Maynooth, Kildare | €320,000 | 2021-07-02 |
| 21 Meadowbrook Court, Maynooth, Kildare | €272,500 | 2016-12-08 |
| 21 Meadowbrook Crescent, Maynooth, Kildare | €272,000 | 2015-09-22 |
| 21 Michael Dooley Terrace, Woodstock Street, Athy | €100,000 | 2022-01-27 |
| 21 Millbank, Sallins, Kildare | €212,000 | 2016-03-08 |
| 21 Millbridge Ave, Sallins Rd, Naas | €335,000 | 2020-12-04 |
| 21 Millbridge Way, Naas, Kildare | €385,000 | 2026-09-17 |
| 21 Millfield Manor, Newbridge | €220,263 | 2011-11-17 |
| 21 Millford, Athgarvan | €200,000 | 2012-12-17 |
| 21 Millview Demesne, Rathangan | €355,000 | 2023-08-23 |
| 21 Monread Gardens, Naas, Kildare | €290,500 | 2016-10-26 |
| 21 Monread Heights, Monread, Naas | €227,000 | 2018-10-24 |
| 21 Moore Abbey Court, Monasterevin, Co. Kildare | €207,048 | 2018-05-08 |
| 21 Morell Green, Naas, Kildare | €460,000 | 2022-06-23 |
| 21 Morell Lawns, Monread Road, Naas | €460,000 | 2011-11-07 |
| 21 Morristown Avenue, The Paddocks, Station Road | €264,317 | 2021-07-02 |
| 21 Morristown Green, The Paddocks, Morristownbiller | €275,000 | 2018-02-13 |
| 21 Morristown View, The Paddocks, Station Road | €290,749 | 2021-03-15 |
| 21 Moyglare Green, Mariavilla, Maynooth | €352,423 | 2020-09-30 |
| 21 Moyglare Grove, Mariaville, Maynooth | €409,691 | 2021-12-10 |
| 21 Moyglare Hall, Moyglare Close, Maynooth | €210,000 | 2017-08-17 |
| 21 Moyglare Ridge, Mariavilla, Maynooth | €252,015 | 2021-11-17 |
| 21 Moyglare Rise, Mariavilla, Maynooth | €427,313 | 2020-09-16 |
| 21 Newbury Park, Derrinturn, Carbury | €170,000 | 2017-04-21 |
| 21 Newtown Avenue, The Meadows, Kill | €321,586 | 2023-12-08 |
| 21 Newtown Way, The Meadows, Kill | €204,841 | 2023-12-08 |
| 21 Oak Church Avenue, Oak Church, Kildare | €312,500 | 2024-03-26 |
| 21 Oak Church Drive, Oak Church, Kildare Town | €361,233 | 2025-09-29 |
| 21 Oak Church Green, Oak Church, Kildare | €312,500 | 2024-03-26 |
| 21 Oak Church Park, Kildare | €383,260 | 2024-10-09 |
| 21 Oak Church Walk, Southgreen, Bishopsland | €396,476 | 2026-09-11 |
| 21 Oak Church Way, Oak Church, Kildare | €303,965 | 2023-04-24 |
| 21 Oak Glade, Naas, Co Kildare | €500,000 | 2025-08-13 |
| 21 Oak Park Avenue, Oak Park, Craddockstown | €279,734 | 2020-03-04 |
| 21 Oak Park Court, Oak Park, Craddockstown | €321,586 | 2020-12-14 |
| 21 Oak Park Drive, Naas | €284,140 | 2020-08-12 |
| 21 Oak Park Green, Oak Park, Naas | €321,586 | 2020-09-22 |
| 21 Oak Park Square, Oak Park, Naas | €292,952 | 2020-12-09 |
| 21 Oak Park View, Craddockstown, Naas | €365,639 | 2021-12-21 |
| 21 Oak Park, Nurraghmore | €300,000 | 2012-06-01 |
| 21 Oakleigh, Clane Road Celbridge | €377,000 | 2011-02-24 |
| 21 Oaktree Road, Cunnaberry Hill, Tully Road | €275,000 | 2018-09-28 |
| 21 Oakwood Park, Derrinturn, Carbury | €243,000 | 2020-09-29 |
| 21 Old Hill, Leixlip, Kildare | €370,000 | 2025-05-14 |
| 21 Old Mill Race, Athgarvan, Newbridge | €613,000 | 2025-11-28 |
| 21 Oldbridge Park, Osberstown, Naas | €450,500 | 2024-12-17 |
| 21 Oldtown Rise, Naas, Kildare | €400,500 | 2016-10-07 |
| 21 Oldtown View, Naas, Kildare | €315,000 | 2025-07-17 |
| 21 Oldtown Walk, Oldtown Demesne, Sallins Road | €392,070 | 2018-08-16 |
| 21 Oldtown Woods, Celbridge | €348,018 | 2021-04-16 |
| 21 Ormond House, Lyreen Manor, Maynooth | €260,000 | 2022-11-17 |
| 21 Osberstown Court, Sallins, Kildare | €245,000 | 2016-07-01 |
| 21 Osberstown Park, Sallins, Kildare | €537,500 | 2026-04-17 |
| 21 Pairc Bhride, Athy, Kildare | €45,000 | 2013-12-20 |
| 21 Parklands Place, Maynooth, Kildare | €581,107 | 2025-11-07 |
| 21 Preston Brook, Millbrook, Rathangan | €215,000 | 2010-01-15 |
| 21 Primrose Hill, Celbridge, Kildare | €935,000 | 2026-05-25 |
| 21 Primrose Square, Primrose Garden, Jiginstown | €342,800 | 2022-10-18 |
| 21 Priory Court, St Raphaels Manor, Celbridge | €332,500 | 2020-09-17 |
| 21 Priory Grove, St Raphaels Manor, Celbridge | €317,000 | 2017-04-28 |
| 21 Priory Lodge, St Raphaels Manor, Celbridge | €175,000 | 2018-11-08 |
| 21 Priory View St Raphaels Manor, Celbridge, Kildare | €495,000 | 2025-04-11 |