According to data from HM Land Registry, 21, Trem Yr Afon, Cardiff sits on a plot of 94 m².

We have plot size data on 23 out of 23 other houses in the postcode and 21, Trem Yr Afon, Cardiff sits on the 19th largest plot.

21, Trem Yr Afon, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 21 Sep 2018.

The property is connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 21, Trem Yr Afon, Cardiff was last sold on 26th October 2018 for £201,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since October 2018, the market for similar properties has risen by 7.3%.

• Sold Oct 2018£201,000

According to the Land Registry and our network of Estate Agents, there have been 167 sales of properties similar to 21, Trem Yr Afon, Cardiff within a radius of 620 metres since 2018.

The most recent example is 4, Trem Yr Afon, Cardiff, CF11 8FE, a freehold house which sold for £325,000 on the 11th June 2026.

Read more about house prices in CF11.

• Sold Jun 2026£325,000 | 3 Bed House4, Trem Yr Afon, Cardiff, CF11 8FE4, Trem Yr Afon, Cardiff, CF11 8FE
• Sold Apr 2026£295,000 | 2 Bed House22, Ffordd Yr Hen-Dai, Cardiff, CF11 8FJ22, Ffordd Yr Hen-Dai, Cardiff, CF11 8FJ
• Sold Apr 2026£280,000 | 2 Bed House67, The Boulevard, Cardiff, CF11 8FB67, The Boulevard, Cardiff, CF11 8FB
• Sold Mar 2026£260,000 | 2 Bed House3, Trem Yr Afon, Cardiff, CF11 8FD3, Trem Yr Afon, Cardiff, CF11 8FD
• Sold Feb 2026£275,000 | 2 Bed House22, Stryd Elai, Cardiff, CF11 8FH22, Stryd Elai, Cardiff, CF11 8FH
• Sold Dec 2025£325,000 | 3 Bed House25, Trem Yr Afon, Cardiff, CF11 8FD25, Trem Yr Afon, Cardiff, CF11 8FD
• Sold Aug 2025£265,000 | 2 Bed House6, Bridge Close, Cardiff, CF11 8FR6, Bridge Close, Cardiff, CF11 8FR
• Sold Aug 2025£270,000 | 3 Bed House16, Treganna Street, Cardiff, CF11 8FN16, Treganna Street, Cardiff, CF11 8FN
• Sold Aug 2025£269,950 | 2 Bed House12, Heol Y Fynachlog, Cardiff, CF11 8FQ12, Heol Y Fynachlog, Cardiff, CF11 8FQ
• Sold Nov 2024£255,500 | 3 Bed House18, Treganna Street, Cardiff, CF11 8FN18, Treganna Street, Cardiff, CF11 8FN
• Sold Oct 2024£310,000 | 3 Bed House29, Trem Yr Afon, Cardiff, CF11 8FD29, Trem Yr Afon, Cardiff, CF11 8FD
• Sold Aug 2024£312,000 | 3 Bed House10, Heol Y Fynachlog, Cardiff, CF11 8FQ10, Heol Y Fynachlog, Cardiff, CF11 8FQ
• Sold Feb 2024£320,000 | 3 Bed House4, Bridge Close, Cardiff, CF11 8FR4, Bridge Close, Cardiff, CF11 8FR
• Sold Feb 2024£270,000 | 2 Bed House4, Ffordd Yr Arfau, Cardiff, CF11 8FL4, Ffordd Yr Arfau, Cardiff, CF11 8FL
• Sold Sep 2023£270,000 | 2 Bed House11, Treganna Street, Cardiff, CF11 8FN11, Treganna Street, Cardiff, CF11 8FN
• Sold Nov 2022£281,000 | 2 Bed House15, Treganna Street, Cardiff, CF11 8FN15, Treganna Street, Cardiff, CF11 8FN
• Sold Mar 2022£290,000 | 3 Bed House23, Trem Yr Afon, Cardiff, CF11 8FD23, Trem Yr Afon, Cardiff, CF11 8FD
• Sold Jan 2022£250,000 | 2 Bed House8, Trem Yr Afon, Cardiff, CF11 8FE8, Trem Yr Afon, Cardiff, CF11 8FE
• Sold Nov 2021£245,000 | 2 Bed House7, Heol Y Fynachlog, Cardiff, CF11 8FQ7, Heol Y Fynachlog, Cardiff, CF11 8FQ
• Sold Oct 2018£201,000 | 2 Bed House19, Trem Yr Afon, Cardiff, CF11 8FD19, Trem Yr Afon, Cardiff, CF11 8FD

Trem Yr Afon, Canton, Cardiff, CF11 has a total of 46 addresses. According to our analysis of all the public data, 21, Trem Yr Afon, Cardiff is the 39th largest and the 39th most expensive property on the street.

When compared to the postcode district it is £46k more expensive than the average property in CF11.

• Waun-Gron Park

  |

  1.2 km away
• Ninian Park

  |

  1.3 km away
• Fairwater

  |

  1.9 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.