Our Data Sources
21, Olive Street, Llanelli has no records in the Land Registry and a single entry in the EPC database dated January 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, Olive Street, Llanelli, we estimate a market value of £150,319 and a rental value of £914 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £133,140 and £810 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Olive Street, Llanelli as measuring 446 m2.
That makes it the 9th largest plot in the postcode, where all 27 other houses have recorded plot data.
Energy Efficiency
21, Olive Street, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Jan 2026.
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
Since 2015 114 properties similar to 21, Olive Street, Llanelli have sold within a radius of 660 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 8th May 2026, was 35, Langland Road, Llanelli, SA15 1BR, a freehold house which sold for £126,500.
Read more about house prices in SA15.
- Sold May 2026£126,500 | 3 Bed House35, Langland Road, Llanelli, SA15 1BR35, Langland Road, Llanelli, SA15 1BR
- Sold May 2026£144,000 | 3 Bed House85, Penyfan Road, Llanelli, SA15 1JG85, Penyfan Road, Llanelli, SA15 1JG
- Sold Feb 2026£136,000 | 3 Bed House10, Grant Street, Llanelli, SA15 1PY10, Grant Street, Llanelli, SA15 1PY
- Sold Oct 2025£136,000 | 3 Bed House22, Pen Y Fon Street, Llanelli, SA15 2HR22, Pen Y Fon Street, Llanelli, SA15 2HR
- Sold Oct 2025£122,000 | 3 Bed House62, Firth Road, Llanelli, SA15 1PN62, Firth Road, Llanelli, SA15 1PN
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 £159,085, ranging from £122,094 to £195,557.
- 19 Olive Street
3 Bed House | 11 m | Est. Value: £149,977
- 25 Olive Street
3 Bed House | 17 m | Est. Value: £152,151
- 17 Olive Street
4 Bed House | 18 m | Est. Value: £159,094
- 13 Olive Street
3 Bed House | 34 m | Est. Value: £122,094
- 16 Olive Street
4 Bed House | 36 m | Est. Value: £195,557
Location Comparison
Of the 43 addresses on Olive Street, Llanelli, SA15, 21, Olive Street, Llanelli comes out as the 18th largest and the 19th most expensive in our analysis of the public data.
It is also £47k less expensive than the average property across the SA15 district.
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Schools Nearby
Public Transport Nearby
- Llanelli|1.0 km away
- Bynea|3.3 km away
- Llangennech|5.2 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
