Our Data Sources
12, Heol Seion, Llanelli has 31 entries in the Land Registry, most recently in May 2014 and a single entry in the EPC database dated November 2012.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 12, Heol Seion, Llanelli would be worth £185,446, with a potential rental value of £949 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £164,252, with a rental value of £840 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
12, Heol Seion, Llanelli occupies a 345 m2 plot as recorded by HM Land Registry.
Of the 23 other houses in this postcode, 19 have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
12, Heol Seion, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Nov 2012.
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
12, Heol Seion, Llanelli last changed hands on 28th May 2014, selling for £85,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 68.1% since May 2014.
- Sold May 2014£85,000
- Sold Apr 2004£84,500
- Sold Feb 2001£39,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 97 sales of comparable properties within 1.4 kilometres of 12, Heol Seion, Llanelli since 2010.
Most recently, 5, Clos Plas Isaf, Llanelli, SA14 8RX, a freehold house, sold at £146,000 on the 7th April 2026.
Read more about house prices in SA14.
- Sold Apr 2026£146,000 | 3 Bed House5, Clos Plas Isaf, Llanelli, SA14 8RX5, Clos Plas Isaf, Llanelli, SA14 8RX
- Sold Jun 2025£175,000 | 3 Bed House69, Hendre Park, Llanelli, SA14 8UR69, Hendre Park, Llanelli, SA14 8UR
- Sold Aug 2024£180,000 | 3 Bed House16, Heol Seion, Llanelli, SA14 8TZ16, Heol Seion, Llanelli, SA14 8TZ
- Sold Aug 2024£175,000 | 3 Bed House12, Heol Plas Isaf, Llanelli, SA14 8TJ12, Heol Plas Isaf, Llanelli, SA14 8TJ
- Sold Dec 2023£153,000 | 2 Bed House9, Clos Cae Fainc, Llanelli, SA14 8TQ9, Clos Cae Fainc, Llanelli, SA14 8TQ
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 £193,448, ranging from £144,307 to £297,125.
- 14 Heol Seion
3 Bed House | 8 m | Est. Value: £169,561
- 12 Clos Plas Isaf
3 Bed House | 21 m | Est. Value: £231,490
- 16 Heol Seion
3 Bed House | 26 m | Est. Value: £196,141
- 11 Clos Plas Isaf
3 Bed House | 28 m | Est. Value: £179,456
- 12A Clos Plas Isaf
3 Bed House | 30 m | Est. Value: £152,632
Location Comparison
Our analysis of the public data ranks 12, Heol Seion, Llanelli as the 16th largest and the 16th most expensive of the 23 addresses on Heol Seion, Llangennech, Llanelli, SA14.
Against the SA14 postcode district average, it is £17k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llangennech|500 m away
- Bynea|2.3 km away
- Pontarddulais|4.0 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.
