Our Data Sources
11, Carmarthen Street, Cardiff has a single entry in the Land Registry from December 2025 and a single entry in the EPC database dated September 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 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 11, Carmarthen Street, Cardiff, we estimate a market value of £292,508 and a rental value of £1,433 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £259,079 and £1,269 per month respectively.
Plot Size
HM Land Registry records the plot of land for 11, Carmarthen Street, Cardiff as measuring 85 m2.
That makes it the 19th largest plot in the postcode, where 19 of the 21 other houses have recorded plot data.
Energy Efficiency
11, Carmarthen Street, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Sep 2025.
The property is connected to mains gas and has mostly double glazing. It is heated using Electric storage heaters.
Sold Prices
The most recent sale of 11, Carmarthen Street, Cardiff completed on 15th December 2025 at £265,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 10.0% over the period since December 2025.
- Sold Dec 2025£265,000
Similar Properties Sold Nearby
Over the past 2 years 185 properties similar to 11, 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 31st January 2025, was 34, Glamorgan Street, Cardiff, CF5 1QS, a freehold house which sold for £230,000.
Read more about house prices in CF5.
- Sold Jan 2025£230,000 | 3 Bed House34, Glamorgan Street, Cardiff, CF5 1QS34, Glamorgan Street, Cardiff, CF5 1QS
- Sold Oct 2024£200,000 | 3 Bed House7, Glamorgan Street, Cardiff, CF5 1QS7, Glamorgan Street, Cardiff, CF5 1QS
- Sold May 2024£295,000 | 3 Bed House73, Glamorgan Street, Cardiff, CF5 1QT73, 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, 11, Carmarthen Street, Cardiff comes out as the 27th largest and the 23rd most expensive in our analysis of the public data.
It is also £16k 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.
