Our Data Sources
18, Princess Street, Llanelli has no recent1 records in the Land Registry and a single entry in the EPC database dated November 2015.
We combine this information with public data 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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 18, Princess Street, Llanelli would be worth £141,938, with a potential rental value of £880 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £125,716, with a rental value of £779 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Princess Street, Llanelli occupies a 126 m2 plot as recorded by HM Land Registry.
Of the 31 other houses in this postcode, 28 have recorded plot sizes, and this one ranks as the 21st largest.
Energy Efficiency
18, Princess Street, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Nov 2015.
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
18, Princess Street, Llanelli last changed hands on 20th July 2001, selling for £37,500. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Jul 2001£37,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 240 sales of comparable properties within 550 metres of 18, Princess Street, Llanelli since 2019.
Most recently, 36, Princess Street, Llanelli, SA15 2TD, a freehold house, sold at £127,000 on the 23rd January 2026.
Read more about house prices in SA15.
- Sold Jan 2026£127,000 | 3 Bed House36, Princess Street, Llanelli, SA15 2TD36, Princess Street, Llanelli, SA15 2TD
- Sold Nov 2025£122,000 | 3 Bed House27, Brynmor Road, Llanelli, SA15 2TF27, Brynmor Road, Llanelli, SA15 2TF
- Sold Sep 2025£110,000 | 4 Bed House28, Albert Street, Llanelli, SA15 2TA28, Albert Street, Llanelli, SA15 2TA
- Sold Jul 2025£125,000 | 4 Bed House21, Princess Street, Llanelli, SA15 2TB21, Princess Street, Llanelli, SA15 2TB
- Sold Jul 2025£152,500 | 3 Bed House8, Amos Street, Llanelli, SA15 2TU8, Amos Street, Llanelli, SA15 2TU
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 £124,914, ranging from £74,487 to £153,725.
- 16 Princess Street
4 Bed House | 6 m | Est. Value: £145,385
- 22 Princess Street
4 Bed House | 9 m | Est. Value: £153,725
- 24 Princess Street
3 Bed House | 14 m | Est. Value: £128,279
- 12 Princess Street
3 Bed House | 16 m | Est. Value: £136,514
- 26 Princess Street
3 Bed House | 20 m | Est. Value: £112,042
Location Comparison
Our analysis of the public data ranks 18, Princess Street, Llanelli as the 30th largest and the 13th most expensive of the 83 addresses on Princess Street, Llanelli, SA15.
Against the SA15 postcode district average, it is £55k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llanelli|800 m away
- Bynea|4.8 km away
- Pembrey & Burry Port|5.6 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.












