Our Data Sources
21, Penallt Terrace, Llanelli has 31 entries in the Land Registry, most recently in April 2025 and a single entry in the EPC database dated August 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 21, Penallt Terrace, Llanelli is in very good condition we estimate a sale value of £119,569 and a rental value of £792 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £105,904 and a rental value of £701 per month.
Plot Size
According to data from HM Land Registry, 21, Penallt Terrace, Llanelli sits on a plot of 164 m2.
We have plot size data on 8 out of 21 other houses in the postcode and 21, Penallt Terrace, Llanelli sits on the 4th largest plot.
Energy Efficiency
21, Penallt Terrace, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 07 Aug 2024.
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
According to HM Land Registry, 21, Penallt Terrace, Llanelli was last sold on 7th April 2025 for £97,500 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since April 2025, the market for similar properties has dropped by 2.0%.
- Sold Apr 2025£97,500
- Sold Apr 2009£70,000
- Sold Mar 2002£20,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 101 sales of properties similar to 21, Penallt Terrace, Llanelli within a radius of 630 metres since 2021.
The most recent example is 16, Woodend Road, Llanelli, SA15 3BQ, a freehold house which sold for £126,000 on the 28th May 2026.
Read more about house prices in SA15.
- Sold May 2026£126,000 | 3 Bed House16, Woodend Road, Llanelli, SA15 3BQ16, Woodend Road, Llanelli, SA15 3BQ
- Sold May 2026£67,000 | 3 Bed House42, Brynallt Terrace, Llanelli, SA15 1ND42, Brynallt Terrace, Llanelli, SA15 1ND
- Sold Apr 2026£123,000 | 3 Bed House90, Swansea Road, Llanelli, SA15 3BJ90, Swansea Road, Llanelli, SA15 3BJ
- Sold Apr 2026£130,000 | 3 Bed House100, James Street, Llanelli, SA15 1EB100, James Street, Llanelli, SA15 1EB
- Sold Mar 2026£95,000 | 3 Bed House26, Brynallt Terrace, Llanelli, SA15 1NB26, Brynallt Terrace, Llanelli, SA15 1NB
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 £125,792, ranging from £108,036 to £154,158.
- 35 Penallt Terrace
3 Bed House | 2 m | Est. Value: £133,051
- 19 Penallt Terrace
3 Bed House | 5 m | Est. Value: £124,084
- 23 Penallt Terrace
3 Bed House | 6 m | Est. Value: £122,110
- 17 Penallt Terrace
3 Bed House | 10 m | Est. Value: £130,962
- 15 Penallt Terrace
3 Bed House | 16 m | Est. Value: £108,036
Location Comparison
Penallt Terrace, Llanelli, SA15 has a total of 51 addresses. According to our analysis of all the public data, 21, Penallt Terrace, Llanelli is the 46th largest and the 46th most expensive property on the street.
When compared to the postcode district it is £80k less expensive than the average property in SA15.
More reading links
Schools Nearby
Public Transport Nearby
- Llanelli|1.6 km away
- Bynea|3.6 km away
- Llangennech|4.7 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.





