17, St. Marys Avenue
17, St. Marys Avenue
Description & Estimates







The public record describes 17, St. Marys Avenue, Barry as a period house with 1,194 ft2 of internal area, sitting on a 125 m2 plot.
In this area, houses of this size normally have 4 bedrooms with a garden.
17, St. Marys Avenue, Barry has an estimated sale value of £216,194 and an estimated rental value of £1,206 per month, assuming reasonable condition and based on the information available.
St. Marys Avenue, Barry, CF63 lies within the CF63 postal district.
Our Data Sources
17, St. Marys Avenue, Barry has no records in the the Land Registry and a single entry in the EPC database dated January 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 17, St. Marys Avenue, Barry would be worth £227,004, with a potential rental value of £1,266 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £201,061, with a rental value of £1,121 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Recent Market Change
The estimated sale value of 17, St. Marys Avenue, Barry has climbed by £419 (0.2%) over the last year. During the same period, its estimated monthly rental value has risen by £44 (3.7%). The property's estimated gross yield is currently 6.7%.
Plot Size
17, St. Marys Avenue, Barry occupies a 125 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 5th largest.
Energy Efficiency
17, St. Marys Avenue, Barry has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Jan 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 370 metres of 17, St. Marys Avenue, Barry across the last 2 years.
Most recently, 65, St. Marys Avenue, Barry, CF63 4LT, a freehold house, sold at £205,000 on the 17th November 2025.
Read more about house prices in CF63.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 17, St. Marys Avenue, Barry as the 22nd largest and the 16th most expensive of the 100 addresses on St. Marys Avenue, Barry, CF63.
Against the CF63 postcode district average, it is £12k more expensive than the typical property.
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Schools Nearby
Public Transport Nearby
Barry Docks station is the nearest stop to 17, St. Marys Avenue, Barry at 400 metres away.
- 400mBarry Docks
- 1.2kmCadoxton
- 1.6kmBarry Island
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.

