According to data from HM Land Registry, 21, Clydach Street, Cardiff sits on a plot of 139 m².

We have plot size data on 16 out of 17 other houses in the postcode and 21, Clydach Street, Cardiff sits on the largest plot.

21, Clydach Street, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 19 Sep 2015.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 21, Clydach Street, Cardiff was last sold on 6th January 2016 for £210,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since January 2016, the market for similar properties has risen by 44.1%.

• Sold Jan 2016£210,000
• Sold Nov 2003£120,000

According to the Land Registry and our network of Estate Agents, there have been 100 sales of properties similar to 21, Clydach Street, Cardiff within a radius of 430 metres since 2020.

The most recent example is 68, Taff Embankment, Cardiff, CF11 7BG, a freehold house which sold for £430,000 on the 13th February 2026.

Read more about house prices in CF11.

• Sold Feb 2026£430,000 | 4 Bed House68, Taff Embankment, Cardiff, CF11 7BG68, Taff Embankment, Cardiff, CF11 7BG
• Sold Nov 2025£310,000 | 4 Bed House96, Paget Street, Cardiff, CF11 7JZ96, Paget Street, Cardiff, CF11 7JZ
• Sold Jul 2025£240,000 | 4 Bed House98, Paget Street, Cardiff, CF11 7JZ98, Paget Street, Cardiff, CF11 7JZ
• Sold Jun 2025£282,500 | 4 Bed House14, Forrest Street, Cardiff, CF11 7EQ14, Forrest Street, Cardiff, CF11 7EQ
• Sold Jun 2025£300,000 | 4 Bed House180, Corporation Road, Cardiff, CF11 7AY180, Corporation Road, Cardiff, CF11 7AY
• Sold May 2025£325,000 | 4 Bed House148, Holmesdale Street, Cardiff, CF11 7BW148, Holmesdale Street, Cardiff, CF11 7BW
• Sold Mar 2025£280,000 | 4 Bed House82, Pentre Gardens, Cardiff, CF11 6QH82, Pentre Gardens, Cardiff, CF11 6QH
• Sold Feb 2025£190,000 | 4 Bed House126, Mardy Street, Cardiff, CF11 6QW126, Mardy Street, Cardiff, CF11 6QW
• Sold Dec 2024£225,000 | 4 Bed House43, Stockland Street, Cardiff, CF11 7LW43, Stockland Street, Cardiff, CF11 7LW
• Sold Aug 2024£260,000 | 4 Bed House87, Penhevad Street, Cardiff, CF11 7LT87, Penhevad Street, Cardiff, CF11 7LT
• Sold Jul 2024£290,000 | 4 Bed House37, Penhevad Street, Cardiff, CF11 7LS37, Penhevad Street, Cardiff, CF11 7LS
• Sold May 2024£267,000 | 4 Bed House65, Penhevad Street, Cardiff, CF11 7LT65, Penhevad Street, Cardiff, CF11 7LT
• Sold Feb 2024£326,000 | 4 Bed House67, Pentrebane Street, Cardiff, CF11 7LN67, Pentrebane Street, Cardiff, CF11 7LN
• Sold Nov 2023£345,000 | 4 Bed House122, Holmesdale Street, Cardiff, CF11 7BW122, Holmesdale Street, Cardiff, CF11 7BW
• Sold May 2023£193,000 | 4 Bed House42, Penhevad Street, Cardiff, CF11 7LU42, Penhevad Street, Cardiff, CF11 7LU
• Sold Dec 2022£271,500 | 4 Bed House18, Redlaver Street, Cardiff, CF11 7LY18, Redlaver Street, Cardiff, CF11 7LY
• Sold Oct 2021£395,000 | 5 Bed House108, Penarth Road, Cardiff, CF11 6NH108, Penarth Road, Cardiff, CF11 6NH
• Sold Aug 2021£245,000 | 4 Bed House9, Llanbradach Street, Cardiff, CF11 7AD9, Llanbradach Street, Cardiff, CF11 7AD
• Sold Dec 2020£247,000 | 4 Bed House83, Penhevad Street, Cardiff, CF11 7LT83, Penhevad Street, Cardiff, CF11 7LT
• Sold Jun 2020£230,000 | 4 Bed House68, Penhevad Street, Cardiff, CF11 7LU68, Penhevad Street, Cardiff, CF11 7LU

Clydach Street, Cardiff, CF11 has a total of 20 addresses. According to our analysis of all the public data, 21, Clydach Street, Cardiff is the largest and the most expensive property on the street.

When compared to the postcode district it is £16k more expensive than the average property in CF11.

• Grangetown (Cardiff)

  |

  500 m away
• Cardiff Central

  |

  800 m away
• Cardiff Bay

  |

  1.1 km away

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