Our Data Sources
16, Allt Ioan, Carmarthen has 21 entries in the Land Registry , most recently in January 2012 and a single entry in the EPC database dated July 2011.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 16, Allt Ioan, Carmarthen is in very good condition we estimate a sale value of £237,960 and a rental value of £1,221 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £210,764 and a rental value of £1,082 per month.
Plot Size
According to data from HM Land Registry, 16, Allt Ioan, Carmarthen sits on a plot of 230 m2.
We have plot size data on 39 out of 43 other houses in the postcode and 16, Allt Ioan, Carmarthen sits on the 27th largest plot.
Energy Efficiency
16, Allt Ioan, Carmarthen has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Jul 2011.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 16, Allt Ioan, Carmarthen was last sold on 12th January 2012 for £125,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since January 2012, the market for similar properties has risen by 59.3%.
- Sold Jan 2012£125,000
- Sold Dec 1997£51,495
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 166 sales of properties similar to 16, Allt Ioan, Carmarthen within a radius of 1.3 kilometres over the last 2 years.
The most recent example is 48, Allt Ioan, Carmarthen, SA31 3SB, a freehold house which sold for £230,000 on the 30th April 2026.
Read more about house prices in SA31.
- Sold Apr 2026£230,000 | 3 Bed House48, Allt Ioan, Carmarthen, SA31 3SB48, Allt Ioan, Carmarthen, SA31 3SB
- Sold Jan 2026£207,500 | 3 Bed House1, Parc Yr Odyn, Carmarthen, SA31 3SE1, Parc Yr Odyn, Carmarthen, SA31 3SE
- Sold Feb 2024£210,000 | 3 Bed House29, Allt Ioan, Carmarthen, SA31 3SB29, Allt Ioan, Carmarthen, SA31 3SB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Allt Ioan, Johnstown, Carmarthen, SA31 has a total of 43 addresses. According to our analysis of all the public data, 16, Allt Ioan, Carmarthen is the 31st largest and the 34th most expensive property on the street.
When compared to the postcode district it is £19k less expensive than the average property in SA31.
More reading links
Schools Nearby
Public Transport Nearby
- Carmarthen|2.4 km away
- Ferryside|9.4 km away
- Kidwelly|13.1 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












