21, Blackweir Terrace, Cardiff occupies a 85 m² plot as recorded by HM Land Registry.

Of the 26 other houses in this postcode, 22 have recorded plot sizes, and this one ranks as the 21st largest.

21, Blackweir Terrace, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 17 Jun 2024.

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

21, Blackweir Terrace, Cardiff last changed hands on 26th January 2015, selling for £270,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 45.1% since January 2015.

Land Registry records and our Estate Agent network show 181 sales of comparable properties within 470 metres of 21, Blackweir Terrace, Cardiff since 2021.

Most recently, 42, Brithdir Street, Cardiff, CF24 4LG, a freehold house, sold at £320,000 on the 5th June 2026.

Read more about house prices in CF10.

• Sold Jun 2026£320,000 | 3 Bed House42, Brithdir Street, Cardiff, CF24 4LG42, Brithdir Street, Cardiff, CF24 4LG
• Sold May 2026£308,000 | 3 Bed House84, Gelligaer Street, Cardiff, CF24 4LB84, Gelligaer Street, Cardiff, CF24 4LB
• Sold May 2026£310,000 | 3 Bed House72, Gelligaer Street, Cardiff, CF24 4LB72, Gelligaer Street, Cardiff, CF24 4LB
• Sold Mar 2026£237,000 | 3 Bed House66, Gelligaer Street, Cardiff, CF24 4LB66, Gelligaer Street, Cardiff, CF24 4LB
• Sold Feb 2026£285,000 | 3 Bed House102, Lisvane Street, Cardiff, CF24 4LN102, Lisvane Street, Cardiff, CF24 4LN
• Sold Nov 2025£318,000 | 3 Bed House90, North Road, Cardiff, CF10 3DZ90, North Road, Cardiff, CF10 3DZ
• Sold Aug 2025£298,600 | 3 Bed House46, Cosmeston Street, Cardiff, CF24 4LR46, Cosmeston Street, Cardiff, CF24 4LR
• Sold Apr 2025£304,000 | 3 Bed House86, Lisvane Street, Cardiff, CF24 4LN86, Lisvane Street, Cardiff, CF24 4LN
• Sold Apr 2025£317,000 | 3 Bed House65, Cosmeston Street, Cardiff, CF24 4LQ65, Cosmeston Street, Cardiff, CF24 4LQ
• Sold Apr 2025£292,500 | 3 Bed House102, Gelligaer Street, Cardiff, CF24 4LB102, Gelligaer Street, Cardiff, CF24 4LB
• Sold Dec 2024£325,000 | 3 Bed House14, Lisvane Street, Cardiff, CF24 4LL14, Lisvane Street, Cardiff, CF24 4LL
• Sold Nov 2024£239,000 | 3 Bed House42, Lisvane Street, Cardiff, CF24 4LL42, Lisvane Street, Cardiff, CF24 4LL
• Sold May 2024£216,000 | 3 Bed House106, Lisvane Street, Cardiff, CF24 4LN106, Lisvane Street, Cardiff, CF24 4LN
• Sold Apr 2024£360,000 | 3 Bed House33, Blackweir Terrace, Cardiff, CF10 3EQ33, Blackweir Terrace, Cardiff, CF10 3EQ
• Sold Dec 2023£285,000 | 3 Bed House90, Cosmeston Street, Cardiff, CF24 4LR90, Cosmeston Street, Cardiff, CF24 4LR
• Sold May 2023£255,000 | 3 Bed House94, Lisvane Street, Cardiff, CF24 4LN94, Lisvane Street, Cardiff, CF24 4LN
• Sold Feb 2023£290,000 | 3 Bed House45, Blackweir Terrace, Cardiff, CF10 3EQ45, Blackweir Terrace, Cardiff, CF10 3EQ
• Sold Jan 2023£285,000 | 3 Bed House46, Lisvane Street, Cardiff, CF24 4LL46, Lisvane Street, Cardiff, CF24 4LL
• Sold Feb 2022£70,000 | 3 Bed House98, North Road, Cardiff, CF10 3DZ98, North Road, Cardiff, CF10 3DZ
• Sold Nov 2021£260,000 | 3 Bed House31, Blackweir Terrace, Cardiff, CF10 3EQ31, Blackweir Terrace, Cardiff, CF10 3EQ

Our analysis of the public data ranks 21, Blackweir Terrace, Cardiff as the 7th largest and the 7th most expensive of the 74 addresses on Blackweir Terrace, Cardiff, CF10.

Against the CF10 postcode district average, it is £76k more expensive than the typical property.

• Cathays

  |

  900 m away
• Cardiff Queen Street

  |

  1.9 km away
• Cardiff Central

  |

  2.1 km away

Environment Agency data suggests this area has a Very Low risk of flooding.