4, St. Marys Avenue, Barry occupies a 115 m² plot as recorded by HM Land Registry.

Of the 20 other houses in this postcode, 17 have recorded plot sizes, and this one ranks as the 13th largest.

4, St. Marys Avenue, Barry has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Apr 2026.

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

4, St. Marys Avenue, Barry last changed hands on 4th April 2007, selling for £130,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 74.1% since April 2007.

• Sold Apr 2007£130,000
• Sold Feb 2006£117,000
• Sold May 2004£70,000

Land Registry records and our Estate Agent network show 173 sales of comparable properties within 360 metres of 4, St. Marys Avenue, Barry since 2022.

Most recently, 31, Pyke Street, Barry, CF63 4PF, a freehold house, sold at £213,000 on the 30th April 2026.

Read more about house prices in CF63.

• Sold Apr 2026£213,000 | 4 Bed House31, Pyke Street, Barry, CF63 4PF31, Pyke Street, Barry, CF63 4PF
• Sold Apr 2026£225,000 | 4 Bed House37, Court Road, Barry, CF63 4EW37, Court Road, Barry, CF63 4EW
• Sold Apr 2026£230,000 | 4 Bed House46, Morel Street, Barry, CF63 4PL46, Morel Street, Barry, CF63 4PL
• Sold Mar 2026£220,000 | 4 Bed House22, Station Street, Barry, CF63 4LY22, Station Street, Barry, CF63 4LY
• Sold Feb 2026£274,000 | 4 Bed House56, Dock View Road, Barry, CF63 4LQ56, Dock View Road, Barry, CF63 4LQ
• Sold Nov 2025£253,000 | 4 Bed House70, Station Street, Barry, CF63 4LY70, Station Street, Barry, CF63 4LY
• Sold Oct 2025£290,000 | 4 Bed House16, Newlands Street, Barry, CF62 8EA16, Newlands Street, Barry, CF62 8EA
• Sold Sep 2025£210,000 | 4 Bed House18, Station Street, Barry, CF63 4LY18, Station Street, Barry, CF63 4LY
• Sold Jul 2025£200,000 | 4 Bed House67, Maes-Y-Cwm Street, Barry, CF63 4EJ67, Maes-Y-Cwm Street, Barry, CF63 4EJ
• Sold May 2025£180,000 | 4 Bed House2, Court Road, Barry, CF63 4ET2, Court Road, Barry, CF63 4ET
• Sold Apr 2025£240,000 | 4 Bed House43, Newlands Street, Barry, CF62 8EA43, Newlands Street, Barry, CF62 8EA
• Sold Mar 2025£193,000 | 4 Bed House108, Kingsland Crescent, Barry, CF63 4JS108, Kingsland Crescent, Barry, CF63 4JS
• Sold Mar 2025£185,000 | 4 Bed House84, Station Street, Barry, CF63 4LX84, Station Street, Barry, CF63 4LX
• Sold Nov 2024£240,000 | 4 Bed House64, George Street, Barry, CF63 4NN64, George Street, Barry, CF63 4NN
• Sold Sep 2024£175,000 | 4 Bed House79, Kingsland Crescent, Barry, CF63 4JS79, Kingsland Crescent, Barry, CF63 4JS
• Sold Jul 2024£290,000 | 4 Bed House80, Kingsland Crescent, Barry, CF63 4JS80, Kingsland Crescent, Barry, CF63 4JS
• Sold Apr 2024£240,000 | 4 Bed House63, Castleland Street, Barry, CF63 4LL63, Castleland Street, Barry, CF63 4LL
• Sold Oct 2023£76,361 | 4 Bed House25, Court Road, Barry, CF63 4ET25, Court Road, Barry, CF63 4ET
• Sold Aug 2022£253,000 | 4 Bed House90, Station Street, Barry, CF63 4LX90, Station Street, Barry, CF63 4LX
• Sold Feb 2022£275,000 | 4 Bed House38, Cross Street, Barry, CF63 4LU38, Cross Street, Barry, CF63 4LU

Our analysis of the public data ranks 4, St. Marys Avenue, Barry as the 6th largest and the 6th most expensive of the 100 addresses on St. Marys Avenue, Barry, CF63.

Against the CF63 postcode district average, it is £27k more expensive than the typical property.

• Barry Docks

  |

  400 m away
• Cadoxton

  |

  1.2 km away
• Barry Island

  |

  1.6 km away

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