Our Data Sources
1, Marsh Street, Llanelli has a single entry in the Land Registry from January 2020 and a single entry in the EPC database dated October 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 1, Marsh Street, Llanelli would be worth £138,623, with a potential rental value of £821 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £122,780, with a rental value of £727 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
1, Marsh Street, Llanelli occupies a 166 m2 plot as recorded by HM Land Registry.
Of the 14 other houses in this postcode, 10 have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
1, Marsh Street, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 27 Oct 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
1, Marsh Street, Llanelli last changed hands on 16th January 2020, selling for £80,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 142.5% since January 2020.
- Sold Jan 2020£80,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 79 sales of comparable properties within 470 metres of 1, Marsh Street, Llanelli since 2021.
Most recently, 41, Trinity Road, Llanelli, SA15 2AB, a freehold house, sold at £150,000 on the 28th November 2025.
Read more about house prices in SA15.
- Sold Nov 2025£150,000 | 4 Bed House41, Trinity Road, Llanelli, SA15 2AB41, Trinity Road, Llanelli, SA15 2AB
- Sold Nov 2025£122,000 | 4 Bed House31, Nevill Street, Llanelli, SA15 2RS31, Nevill Street, Llanelli, SA15 2RS
- Sold Oct 2025£162,500 | 4 Bed House19, New Dock Road, Llanelli, SA15 2EG19, New Dock Road, Llanelli, SA15 2EG
- Sold Jul 2025£56,000 | 4 Bed House39, Trinity Road, Llanelli, SA15 2AB39, Trinity Road, Llanelli, SA15 2AB
- Sold Jun 2025£115,000 | 4 Bed House18, Trinity Road, Llanelli, SA15 2AD18, Trinity Road, Llanelli, SA15 2AD
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £107,111, ranging from £61,831 to £149,177.
- 2 Marsh Street
4 Bed House | 7 m | Est. Value: £149,177
- 3 Marsh Street
4 Bed House | 13 m | Est. Value: £124,319
- 5 Marsh Street
3 Bed House | 24 m | Est. Value: £118,454
- 6 Marsh Street
4 Bed House | 29 m | Est. Value: £121,632
- 31 Delabeche Street
1 Bed Flat | 31 m | Est. Value: £61,831
Location Comparison
Our analysis of the public data ranks 1, Marsh Street, Llanelli as the 2nd largest and the 5th most expensive of the 19 addresses on Marsh Street, Llanelli, SA15.
Against the SA15 postcode district average, it is £58k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llanelli|200 m away
- Bynea|4.2 km away
- Llangennech|5.8 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












