21, Constellation Street, Cardiff occupies a 156 m² plot as recorded by HM Land Registry.

Of the 22 other houses in this postcode, 20 have recorded plot sizes, and this one ranks as the 5th largest.

21, Constellation Street, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Sep 2018.

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

21, Constellation Street, Cardiff last changed hands on 10th January 2012, selling for £95,000. 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 103.1% since January 2012.

• Sold Jan 2012£95,000
• Sold Mar 2000£53,500

Land Registry records and our Estate Agent network show 100 sales of comparable properties within 340 metres of 21, Constellation Street, Cardiff since 2019.

Most recently, 1, Galston Street, Cardiff, CF24 0HR, a freehold house, sold at £225,000 on the 20th March 2026.

Read more about house prices in CF24.

• Sold Mar 2026£225,000 | 3 Bed House1, Galston Street, Cardiff, CF24 0HR1, Galston Street, Cardiff, CF24 0HR
• Sold Jan 2026£242,000 | 3 Bed House26, Orbit Street, Cardiff, CF24 0JX26, Orbit Street, Cardiff, CF24 0JX
• Sold Dec 2025£107,000 | 3 Bed House17, Planet Street, Cardiff, CF24 0HY17, Planet Street, Cardiff, CF24 0HY
• Sold Sep 2025£245,000 | 3 Bed House4, Clyde Street, Cardiff, CF24 0HU4, Clyde Street, Cardiff, CF24 0HU
• Sold Jul 2025£220,000 | 3 Bed House24, Prince Leopold Street, Cardiff, CF24 0HT24, Prince Leopold Street, Cardiff, CF24 0HT
• Sold Mar 2025£194,000 | 2 Bed House20, Galston Street, Cardiff, CF24 0HR20, Galston Street, Cardiff, CF24 0HR
• Sold Feb 2025£255,000 | 3 Bed House38, Planet Street, Cardiff, CF24 0HZ38, Planet Street, Cardiff, CF24 0HZ
• Sold Feb 2025£237,500 | 3 Bed House8, Eclipse Street, Cardiff, CF24 0JD8, Eclipse Street, Cardiff, CF24 0JD
• Sold Nov 2024£240,000 | 3 Bed House15, Clyde Street, Cardiff, CF24 0HU15, Clyde Street, Cardiff, CF24 0HU
• Sold Jun 2024£220,000 | 2 Bed House51, Constellation Street, Cardiff, CF24 0HJ51, Constellation Street, Cardiff, CF24 0HJ
• Sold May 2024£205,000 | 3 Bed House11, Prince Leopold Street, Cardiff, CF24 0HT11, Prince Leopold Street, Cardiff, CF24 0HT
• Sold Mar 2024£155,000 | 3 Bed House23A, Eclipse Street, Cardiff, CF24 0JD23A, Eclipse Street, Cardiff, CF24 0JD
• Sold Aug 2023£255,000 | 3 Bed House5, Constellation Street, Cardiff, CF24 0HJ5, Constellation Street, Cardiff, CF24 0HJ
• Sold May 2023£180,000 | 3 Bed House18, Longcross Street, Cardiff, CF24 0JW18, Longcross Street, Cardiff, CF24 0JW
• Sold Mar 2023£200,000 | 3 Bed House17, Clyde Street, Cardiff, CF24 0HU17, Clyde Street, Cardiff, CF24 0HU
• Sold Feb 2023£196,000 | 3 Bed House27, Clyde Street, Cardiff, CF24 0HU27, Clyde Street, Cardiff, CF24 0HU
• Sold May 2022£190,000 | 3 Bed House9, Eclipse Street, Cardiff, CF24 0JD9, Eclipse Street, Cardiff, CF24 0JD
• Sold Mar 2021£183,000 | 3 Bed House53, Constellation Street, Cardiff, CF24 0HJ53, Constellation Street, Cardiff, CF24 0HJ
• Sold Feb 2021£138,000 | 3 Bed House25, Constellation Street, Cardiff, CF24 0HJ25, Constellation Street, Cardiff, CF24 0HJ
• Sold Sep 2019£205,000 | 3 Bed House41, Constellation Street, Cardiff, CF24 0HJ41, Constellation Street, Cardiff, CF24 0HJ

Our analysis of the public data ranks 21, Constellation Street, Cardiff as the 25th largest and the 21st most expensive of the 67 addresses on Constellation Street, Cardiff, CF24.

Against the CF24 postcode district average, it is £4k less expensive than the typical property.

• Cardiff Queen Street

  |

  700 m away
• Cathays

  |

  1.5 km away
• Cardiff Central

  |

  1.5 km away

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