Our Data Sources
18, Harries Avenue, Llanelli has no records in the Land Registry and a single entry in the EPC database dated June 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 18, Harries Avenue, Llanelli would be worth £316,825, with a potential rental value of £1,183 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £280,616, with a rental value of £1,048 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Harries Avenue, Llanelli occupies a 470 m2 plot as recorded by HM Land Registry.
Of the 18 other houses in this postcode, 16 have recorded plot sizes, and this one ranks as the 12th largest.
Energy Efficiency
18, Harries Avenue, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Jun 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 42 sales of comparable properties within 610 metres of 18, Harries Avenue, Llanelli since 2009.
Most recently, 89, New Road, Llanelli, SA15 3DS, a freehold house, sold at £267,500 on the 22nd July 2025.
Read more about house prices in SA15.
- Sold Jul 2025£267,500 | 4 Bed House89, New Road, Llanelli, SA15 3DS89, New Road, Llanelli, SA15 3DS
- Sold Mar 2025£287,000 | 4 Bed House11, Harries Avenue, Llanelli, SA15 3LF11, Harries Avenue, Llanelli, SA15 3LF
- Sold Aug 2024£325,000 | 4 Bed House4, Roland Avenue, Llanelli, SA15 3HU4, Roland Avenue, Llanelli, SA15 3HU
- Sold Jun 2023£260,000 | 4 Bed House13, Courtney Road, Llanelli, SA15 3LB13, Courtney Road, Llanelli, SA15 3LB
- Sold May 2023£295,000 | 4 Bed House18, Old Road, Llanelli, SA15 3HW18, Old Road, Llanelli, SA15 3HW
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £306,486, ranging from £235,345 to £371,811.
- 14 Harries Avenue
4 Bed House | 19 m | Est. Value: £342,712
- 12 Harries Avenue
5 Bed House | 31 m | Est. Value: £371,811
- 19 Harries Avenue
4 Bed House | 45 m | Est. Value: £292,878
- 23 Harries Avenue
3 Bed House | 52 m | Est. Value: £237,445
- 15 Harries Avenue
4 Bed House | 52 m | Est. Value: £318,082
Location Comparison
Our analysis of the public data ranks 18, Harries Avenue, Llanelli as the 18th largest and the 20th most expensive of the 26 addresses on Harries Avenue, Llanelli, SA15.
Against the SA15 postcode district average, it is £112k more expensive than the typical property.
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Schools Nearby
Public Transport Nearby
- Llanelli|1.4 km away
- Bynea|4.8 km away
- Pembrey & Burry Port|5.7 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.












