| Charlestown, Ballycumber, Offaly | €325,000 | 2021-12-09 |
| Charlestown, Clara, Offaly | €175,000 | 2017-12-22 |
| Charlestown, Kilbeggan Road, Clara | €61,000 | 2018-01-31 |
| Charlevill View, Charleville, Tullamore | €292,500 | 2018-11-23 |
| Charleville Rd, Tullamore, Co. Offaly | €385,000 | 2021-09-14 |
| Charleville Rd, Tullamore, Offaly | €435,000 | 2026-03-20 |
| Charleville Road, Tullamore | €50,000 | 2012-09-04 |
| Charleville Road, Tullamore, Co Offaly | €420,000 | 2018-06-29 |
| Charleville View, Tullamore, Offaly | €475,000 | 2026-03-26 |
| Chelsea, Mucklagh, Tullamore | €250,000 | 2015-05-29 |
| Cherry 1, Granary Court, Edenderry | €46,500 | 2018-07-11 |
| Cherry 2, Grawary Court, Edenderry | €39,000 | 2018-07-11 |
| Cherry Apartment 8, Granary Court, Edenderry | €30,000 | 2015-06-26 |
| Cherrytrees, Barna, Dunkerrin | €157,500 | 2018-10-05 |
| Church Ave, Tullamore, Offaly | €265,000 | 2024-09-30 |
| Church Avenue, Tullamore | €110,000 | 2013-09-27 |
| Church Cottage, Shinrone, Offaly | €85,000 | 2025-12-18 |
| Church Rd Clonbullogue, Tullamore, Offaly | €250,000 | 2023-12-19 |
| Church Rd, Clara, Co Offaly | €230,000 | 2020-02-07 |
| Church Rd, Clara, Offaly | €70,000 | 2025-01-10 |
| Church Road, Clara, Co Offaly | €105,000 | 2025-03-19 |
| Church Road, Clonbullogue, Edenderry | €285,000 | 2025-04-04 |
| Church Road, Tullamore | €350,000 | 2021-03-15 |
| Church Road, Tullamore, Co Offaly | €370,000 | 2026-06-26 |
| Church St, Banagher, Offaly | €260,000 | 2026-06-04 |
| Church St, Birr, Offaly | €195,000 | 2022-04-27 |
| Church St, Clara, Offaly | €170,000 | 2023-11-06 |
| Church St, Ferbane, Offaly | €50,000 | 2021-11-25 |
| Church Street, Birr, Co Offaly | €180,000 | 2023-11-01 |
| Church Street, Clara, Co Offaly | €200,000 | 2024-08-12 |
| Church Street, Clara, County Offaly | €35,000 | 2024-01-19 |
| Church Street, Ferbane, County Offaly | €160,000 | 2023-09-06 |
| Church Street, Kinnity Village, Birr | €26,000 | 2016-07-29 |
| Church Street, Kinnity, Birr | €185,000 | 2025-09-02 |
| Church Street, Tullamore | €95,000 | 2015-12-04 |
| Church View Birr Rd, Shinrone, Offaly | €105,000 | 2025-07-11 |
| Ciaran's Lodge, Tullabeg, Clonmacnoise | €175,000 | 2022-06-02 |
| Circular Rd, Daingean, Offaly | €85,000 | 2015-11-23 |
| Circular Road, Daingean, Co Offaly | €148,000 | 2021-12-14 |
| Clara Rd, Tullamore, Offaly | €275,000 | 2026-02-24 |
| Clara Road, Tullamore | €128,000 | 2012-12-21 |
| Clara Road, Tullamore, Co Offaly | €260,000 | 2021-11-03 |
| Clara Road, Tullamore, Offaly | €190,000 | 2022-04-27 |
| Claragh, Screggan, Tullamore | €300,000 | 2014-12-01 |
| Clareen, Birr | €65,000 | 2012-07-13 |
| Clareen, Birr, Co Offaly | €290,000 | 2023-06-22 |
| Clareen, Birr, Offaly | €380,000 | 2023-04-17 |
| Clareen, Shinrone, Birr | €112,000 | 2022-12-21 |
| Clashgad, Dunkerrin, Birr | €138,000 | 2024-06-19 |
| Cloghan Beg, Lusmagh, Co Offay | €142,000 | 2010-08-04 |
| Cloghan Beg, Lusmagh, Offay | €170,000 | 2018-02-05 |
| Cloghan Castle, Lusmagh, Banagher | €960,000 | 2018-01-02 |
| Cloghan Hill, Cloghan, Co Offaly | €177,500 | 2019-10-31 |
| Cloghanbeg, Lusmagh, Banagher | €135,000 | 2023-03-10 |
| Cloghanmore, Kinnitty, Birr | €367,500 | 2025-02-28 |
| Cloghatanny, Ballycumber, Offaly | €197,000 | 2024-11-29 |
| Cloghatanny, Clara, Offaly | €263,000 | 2025-01-17 |
| Clonad Wood, Killeigh, Tullamore | €485,000 | 2024-01-15 |
| Clonad, Clonbullogue | €90,000 | 2010-12-06 |
| Clonad, Daingean, Offaly | €370,000 | 2024-08-07 |
| Clonaderg, Ballinahown, Athlone | €130,000 | 2024-07-29 |
| Clonaderg, Ballinahown, Co.offaly | €263,000 | 2010-09-30 |
| Clonaderig, Ballinahown, Athlone | €390,000 | 2018-10-08 |
| Clonaderig, Ballinahown, Athlone Offaly | €100,000 | 2016-07-19 |
| Clonaderig, Ballinahown, Co Offaly | €185,000 | 2020-06-17 |
| Clonaganna, Dunkerrin, Birr | €170,000 | 2019-04-16 |
| Clonagh West, Tullamore, Offaly | €226,000 | 2020-12-17 |
| Clonagh, Rhode, Tullamore | €350,000 | 2024-05-10 |
| Clonagh, Tullamore, Offaly | €120,000 | 2022-09-02 |
| Clonascra, Clonfamlough, Offaly | €150,000 | 2021-06-30 |
| Clonascra, Shannonbridge, Athlone | €125,000 | 2017-09-06 |
| Clonavoe, Clonbullogue, Co. Offaly | €45,000 | 2017-12-14 |
| Clonavoe, Clonbullogue, Offaly | €380,000 | 2021-12-21 |
| Clonbeale, Birr, Offaly | €200,000 | 2014-12-19 |
| Clonbonniff, Belmont, Co Offaly | €235,500 | 2020-03-24 |
| Clonbonniffe, Belmont | €80,000 | 2011-08-18 |
| Clonbonniffe, Belmont, Offaly | €410,000 | 2025-06-23 |
| Clonbrennan, Ballycleary, Shinrone | €165,000 | 2012-06-18 |
| Clonbrennan, Roscrea, Tipperary | €280,000 | 2025-07-02 |
| Clonbrin, Rathangan, Offaly | €195,000 | 2014-12-22 |
| Clonbrone, Birr, Co Offaly | €449,000 | 2018-11-20 |
| Clonbrone, Fortal, Birr | €162,000 | 2026-09-16 |
| Clonbrown, Clonbullogue, Offaly | €20,000 | 2020-12-09 |
| Clonbulloge, Offaly | €263,000 | 2018-11-08 |
| Clonbullogue, Co Offaly | €65,000 | 2016-06-21 |
| Clonbullogue, Tullamore | €23,000 | 2013-02-07 |
| Clonbullogue, Tullamore, Offaly | €290,000 | 2026-05-07 |
| Cloncanon, Edenderry, Co Offaly | €190,000 | 2025-09-30 |
| Cloncanon, Edenderry, Offaly | €240,000 | 2014-03-06 |
| Cloncarbon Lane, Birr, Co Offaly | €120,000 | 2019-11-07 |
| Cloncarbon, Birr, Co Offaly | €130,000 | 2017-11-17 |
| Cloncarbon, Birr, Offaly | €175,000 | 2022-10-13 |
| Cloncassion, Clonbullogue, Tullamore | €370,000 | 2023-07-28 |
| Cloncogher, Killeigh, Tullamore | €300,000 | 2016-04-29 |
| Cloncoher, Newtown, Killeigh | €121,000 | 2011-01-18 |
| Cloncon House, Clonminch Rd, Tullamore | €220,000 | 2017-12-06 |
| Cloncon, Clonminch, Tullamore | €525,000 | 2021-05-27 |
| Cloncon, Killeigh, Tullamore | €223,000 | 2016-11-04 |
| Cloncon, Tullamore | €210,000 | 2013-10-04 |
| Cloncon, Tullamore, Co Offaly | €210,000 | 2025-01-22 |
| Cloncreen, Clonbullogue, Tullamore | €120,000 | 2010-06-30 |
| Clondalla Lane, Golf Links Road, Birr | €120,000 | 2015-06-26 |
| Clondalla, Birr | €125,000 | 2010-03-30 |
| Clondalla, Birr, Co Offaly | €182,500 | 2025-07-21 |
| Clondallow, Birr, Offaly | €550,000 | 2025-07-29 |
| Clondelara, Shannonbridge, Athlone | €325,000 | 2019-05-03 |
| Clondelara, Shannonbridge, Co Offaly | €194,400 | 2026-01-14 |
| Clondelara, Shannonbridge, Offaly | €305,000 | 2026-08-05 |
| Clondoolusk, Portarlington, Co Offaly | €295,000 | 2023-10-20 |
| Clondoon Apt 1, Harbour Rd, Banagher | €205,000 | 2019-01-21 |
| Clonearl, Daingean, Offaly | €355,000 | 2025-09-16 |
| Cloneen, Arden Road, Tullamore | €200,000 | 2011-08-26 |
| Cloneen, Rhode, Offaly | €237,500 | 2022-05-05 |
| Clonever, Shannonbridge, Co. Offaly | €50,000 | 2018-03-06 |
| Cloneygowan Village, Cloneygowan | €157,000 | 2013-07-26 |
| Cloneygowan, Tullamore, Co.offaly | €250,000 | 2025-10-31 |
| Cloneygowan, Tullamore, Offaly | €131,226 | 2019-03-12 |
| Cloneyhurke, Portarlington, Co Offaly | €205,000 | 2019-08-01 |
| Cloneyhurke, Portarlington, Offaly | €395,000 | 2026-07-30 |
| Cloneyquinn, Cloneygowan | €265,000 | 2010-05-04 |
| Cloneyquinn, Portarlington, Offaly | €220,000 | 2022-12-16 |
| Clonfanlough, Athlone | €170,000 | 2013-02-08 |
| Clonfanlough, Carrowkeel, Athlone | €82,500 | 2018-02-05 |
| Clongall, Edenderry, Co Meath | €25,000 | 2014-05-23 |
| Clongall, Edenderry, Co. Offaly | €710,000 | 2025-11-14 |
| Clongarrett, Clonbullogue | €50,000 | 2015-08-24 |
| Clongowney, Clonfanlough, Athlone | €100,000 | 2023-05-08 |
| Cloniff, Shannonbridge, Co Offaly | €185,000 | 2023-04-19 |
| Cloniffeen, Shannonbridge, Athlone | €75,000 | 2017-03-09 |
| Clonin, Rhode, Offaly | €205,000 | 2024-12-03 |
| Clonlack House, Rhode | €375,000 | 2010-04-13 |
| Clonlee Clareen, Birr, Offaly | €235,000 | 2021-12-01 |
| Clonlee, Kinnitty, Offaly | €113,000 | 2018-11-07 |
| Clonlisk, Birr, Co Offaly | €318,000 | 2026-08-05 |
| Clonlisk, Shinrone, Birr | €60,000 | 2024-08-30 |
| Clonlyon, Belmont, Birr | €250,000 | 2016-12-14 |
| Clonlyon, Belmont, Offaly | €180,000 | 2024-09-27 |
| Clonlyon, The Glebe, Belmont Birr | €85,000 | 2013-07-03 |
| Clonmacnoise Road, Shannonbridge, County Offaly | €15,000 | 2022-02-23 |
| Clonmeen, Coolestown, Rhode | €195,000 | 2022-10-05 |
| Clonmeen, Rhode | €132,500 | 2010-05-10 |
| Clonmeen, Rhode, Offaly | €595,000 | 2024-05-09 |
| Clonmel Lane, Clonbulloge, Tullamore | €400,000 | 2024-09-20 |
| Clonmel Lane, Clonbullogue, Tullamore | €289,000 | 2022-03-22 |
| Clonmel, Clonbullogue | €245,000 | 2014-07-18 |
| Clonmel, Clonbullogue, Tullamore | €180,000 | 2023-03-10 |
| Clonminch Lane, Tullamore, County Offaly | €80,000 | 2019-10-07 |
| Clonminch Rd, Tullamore, Co Offaly | €320,000 | 2019-09-18 |
| Clonminch Rd, Tullamore, Offaly | €696,000 | 2025-11-01 |
| Clonminch Road, Tullamore | €80,000 | 2013-01-17 |
| Clonminch Road, Tullamore, Co Offaly | €448,560 | 2022-08-03 |
| Clonminch Road, Tullamore, Offaly | €430,000 | 2025-12-01 |
| Clonminch, Tullamore | €350,000 | 2013-09-06 |
| Clonminch, Tullamore, Offaly | €430,000 | 2026-02-20 |
| Clonmore Cross, Edenderry, Offaly | €155,000 | 2018-10-25 |
| Clonmore House, Clonmore, Edenderry | €850,000 | 2023-11-10 |
| Clonmore House, Clonmore, Rhode | €100,000 | 2026-03-12 |
| Clonmore, Ballinagar, Tullamore | €323,000 | 2020-03-09 |
| Clonmore, Ballingar, Tullamore | €235,000 | 2012-07-19 |
| Clonmore, Cappincur, Tullamore | €300,000 | 2023-08-02 |
| Clonmore, Edenderry, Co Offaly | €230,000 | 2025-08-19 |
| Clonmore, Edenderry, Offaly | €350,000 | 2026-02-26 |
| Clonmore, Fahey, Rhode | €259,000 | 2016-06-20 |
| Clonmore, Fahy Rhode, Co Offaly | €190,000 | 2018-04-23 |
| Clonmore, Fahy, Rhode | €154,000 | 2013-05-10 |
| Clonmore, Rhode, Co Offaly | €293,000 | 2023-09-27 |
| Clonmore, Rhode, County Offaly | €400,000 | 2026-09-04 |
| Clonmore, Rhode, Cp Offaly | €258,000 | 2021-09-17 |
| Clonmore, Rhode, Fahy | €240,000 | 2016-06-20 |
| Clonmore, Rhode, Offaly | €420,000 | 2024-10-30 |
| Clonmore, Tullamore, Co Offaly | €202,500 | 2026-01-21 |
| Clonmore, Tullamore, County Offaly | €160,000 | 2016-11-29 |
| Clonmore, Tullamore, Offaly | €417,000 | 2025-08-29 |
| Clonmore, Warrenstown | €20,000 | 2013-05-28 |
| Clonmullen Hall, Apt 1 Block F, Edenderry | €115,000 | 2021-10-15 |
| Clonmullen Lodge, Clonmullen, Edenderry | €190,000 | 2018-10-12 |
| Clonmullen, Edenderry, Co Offaly | €80,000 | 2014-09-17 |
| Clonmullen, Edenderry, Offaly | €297,000 | 2021-11-24 |
| Clonoghill Lower, Birr, Co Offaly | €100,000 | 2025-03-26 |
| Clonoghill Lower, Birr, Offaly | €340,000 | 2025-11-05 |
| Clonoghill Upper, Birr | €125,000 | 2013-08-14 |
| Clonoghill Upper, Birr, Co Offaly | €120,000 | 2021-07-29 |
| Clonoghill Upper, Birr, Offaly | €220,000 | 2022-10-12 |
| Clonoghill Upper, Whiteford, Birr | €274,500 | 2017-12-07 |
| Clonoghill, Birr | €265,000 | 2012-11-02 |
| Clonoghill, Birr, County Offaly | €175,000 | 2015-01-15 |
| Clonoghill, Birr, Offaly | €330,000 | 2021-02-12 |
| Clononey Mor, Shannon Harbour, Banagher | €120,000 | 2013-02-08 |
| Clononey, Shannon Harbour, Birr | €155,000 | 2016-07-15 |
| Clononeymore, Cloghan, Co. Offaly | €152,000 | 2024-11-15 |
| Clononmore, Shannon Harbour, Birr | €205,000 | 2016-04-04 |
| Clonony House, Shannon Harbour, Birr | €105,000 | 2016-02-19 |
| Clonony, Shannonharbour, Birr | €40,000 | 2014-06-30 |
| Clonragh, Birr, Offaly | €125,000 | 2014-09-01 |
| Clonroosk Big, Clonbullogue, Tullamore | €210,000 | 2020-04-16 |
| Clonsast Lower, Bracknagh, Co Offaly | €118,000 | 2014-05-29 |
| Clonsast Lower, Bracknagh, Offaly | €525,000 | 2024-01-22 |
| Clonsast Lower, Bracknagh, Rathangan | €420,000 | 2026-01-29 |
| Clonsast Lower, Rathangan, Kildare | €205,000 | 2016-12-19 |
| Clonsast, Rathangan, Bracknagh | €128,000 | 2014-12-05 |