Our Data Sources
12, Carmarthen Street, Cardiff has 2 entries in the Land Registry , most recently in October 2010 and a single entry in the EPC database dated July 2010.
We combine this information with that 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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 12, Carmarthen Street, Cardiff, we estimate a market value of £301,350 and a rental value of £1,482 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £266,910 and £1,313 per month respectively.
Plot Size
HM Land Registry records the plot of land for 12, Carmarthen Street, Cardiff as measuring 113 m2.
That makes it the 4th largest plot in the postcode, where all 13 other houses have recorded plot data.
Energy Efficiency
12, Carmarthen Street, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Jul 2010.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 12, Carmarthen Street, Cardiff completed on 29th October 2010 at £170,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 46.6% over the period since October 2010.
- Sold Oct 2010£170,000
- Sold Oct 2007£169,950
Similar Properties Sold Nearby
Over the past 2 years 199 properties similar to 12, Carmarthen Street, Cardiff have sold within a radius of 360 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 24th April 2026, was 7, Parry Street, Cardiff, CF5 1QJ, a freehold house which sold for £303,000.
Read more about house prices in CF5.
- Sold Apr 2026£303,000 | 3 Bed House7, Parry Street, Cardiff, CF5 1QJ7, Parry Street, Cardiff, CF5 1QJ
- Sold Dec 2025£325,500 | 3 Bed House81, Glamorgan Street, Cardiff, CF5 1QT81, Glamorgan Street, Cardiff, CF5 1QT
- Sold Apr 2025£290,000 | 3 Bed House80, Glamorgan Street, Cardiff, CF5 1QT80, Glamorgan Street, Cardiff, CF5 1QT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 48 addresses on Carmarthen Street, Cardiff, CF5, 12, Carmarthen Street, Cardiff comes out as the 20th largest and the 17th most expensive in our analysis of the public data.
It is also £7k less expensive than the average property across the CF5 district.
More reading links
Schools Nearby
Public Transport Nearby
- Ninian Park|900 m away
- Waun-Gron Park|1.8 km away
- Cathays|1.9 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
