18, Cornwall Street, Cardiff occupies a 88 m² plot as recorded by HM Land Registry.

Of the 21 other houses in this postcode, 19 have recorded plot sizes, and this one ranks as the 4th largest.

18, Cornwall Street, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 10 Jun 2014.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

18, Cornwall Street, Cardiff last changed hands on 12th October 2004, selling for £125,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Oct 2004£125,000

Land Registry records and our Estate Agent network show 165 sales of comparable properties within 340 metres of 18, Cornwall Street, Cardiff since 2023.

Most recently, 8, Cornwall Street, Cardiff, CF11 6SQ, a freehold house, sold at £232,500 on the 22nd January 2026.

Read more about house prices in CF11.

• Sold Jan 2026£232,500 | 2 Bed House8, Cornwall Street, Cardiff, CF11 6SQ8, Cornwall Street, Cardiff, CF11 6SQ
• Sold Dec 2025£235,000 | 2 Bed House53, Compton Street, Cardiff, CF11 6TJ53, Compton Street, Cardiff, CF11 6TJ
• Sold Nov 2025£224,500 | 2 Bed House24, Dorset Street, Cardiff, CF11 6PS24, Dorset Street, Cardiff, CF11 6PS
• Sold Nov 2025£205,000 | 2 Bed House27, Warwick Street, Cardiff, CF11 6PW27, Warwick Street, Cardiff, CF11 6PW
• Sold Sep 2025£210,000 | 2 Bed House6, Dorset Street, Cardiff, CF11 6PS6, Dorset Street, Cardiff, CF11 6PS
• Sold Sep 2025£235,000 | 2 Bed House24, Warwick Street, Cardiff, CF11 6PW24, Warwick Street, Cardiff, CF11 6PW
• Sold Jun 2025£246,200 | 2 Bed House16, Chester Street, Cardiff, CF11 6PY16, Chester Street, Cardiff, CF11 6PY
• Sold Mar 2025£224,700 | 2 Bed House24, Compton Street, Cardiff, CF11 6SX24, Compton Street, Cardiff, CF11 6SX
• Sold Mar 2025£195,000 | 2 Bed House40, Cornwall Street, Cardiff, CF11 6SQ40, Cornwall Street, Cardiff, CF11 6SQ
• Sold Feb 2025£197,000 | 2 Bed House33, Warwick Street, Cardiff, CF11 6PW33, Warwick Street, Cardiff, CF11 6PW
• Sold Oct 2024£141,500 | 2 Bed House24, Chester Street, Cardiff, CF11 6PY24, Chester Street, Cardiff, CF11 6PY
• Sold Oct 2024£220,000 | 2 Bed House25, Compton Street, Cardiff, CF11 6TJ25, Compton Street, Cardiff, CF11 6TJ
• Sold Aug 2024£210,000 | 2 Bed House12, Cornwall Street, Cardiff, CF11 6SQ12, Cornwall Street, Cardiff, CF11 6SQ
• Sold Mar 2024£145,000 | 3 Bed House24, Stafford Road, Cardiff, CF11 6SU24, Stafford Road, Cardiff, CF11 6SU
• Sold Mar 2024£190,000 | 2 Bed House36, Stafford Road, Cardiff, CF11 6SU36, Stafford Road, Cardiff, CF11 6SU
• Sold Dec 2023£232,000 | 2 Bed House17, Chester Street, Cardiff, CF11 6PY17, Chester Street, Cardiff, CF11 6PY
• Sold Oct 2023£170,000 | 2 Bed House30, Cornwall Street, Cardiff, CF11 6SQ30, Cornwall Street, Cardiff, CF11 6SQ
• Sold Sep 2023£190,000 | 2 Bed House4, Cornwall Street, Cardiff, CF11 6SQ4, Cornwall Street, Cardiff, CF11 6SQ
• Sold Aug 2023£200,000 | 2 Bed House32, Stafford Road, Cardiff, CF11 6SU32, Stafford Road, Cardiff, CF11 6SU
• Sold Jul 2023£220,000 | 2 Bed House41, Warwick Street, Cardiff, CF11 6PW41, Warwick Street, Cardiff, CF11 6PW

Our analysis of the public data ranks 18, Cornwall Street, Cardiff as the 73rd largest and the 38th most expensive of the 111 addresses on Cornwall Street, Cardiff, CF11.

Against the CF11 postcode district average, it is £40k less expensive than the typical property.

• Cardiff Central

  |

  700 m away
• Grangetown (Cardiff)

  |

  700 m away
• Ninian Park

  |

  1.0 km away

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