Our Data Sources
21, Heol Nantlais, Swansea has no recent1 records in the the Land Registry and a single entry in the EPC database dated May 2021.
We combine this information with public data 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.
Price Range & Condition
In very good condition, we estimate 21, Heol Nantlais, Swansea would be worth £181,602, with a potential rental value of £1,094 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £160,848, with a rental value of £969 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Heol Nantlais, Swansea occupies a 257 m2 plot as recorded by HM Land Registry.
Of the 30 other houses in this postcode, 18 have recorded plot sizes, and this one ranks as the 18th largest.
Energy Efficiency
21, Heol Nantlais, Swansea has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 May 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
21, Heol Nantlais, Swansea last changed hands on 24th June 1999, selling for £44,000. The transaction was logged as a leasehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Jun 1999£44,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 78 sales of comparable properties within 920 metres of 21, Heol Nantlais, Swansea across the last 2 years.
Most recently, 20, Heol Cynan, Swansea, SA4 4LU, a freehold house, sold at £180,000 on the 20th March 2026.
Read more about house prices in SA4.
- Sold Mar 2026£180,000 | 3 Bed House20, Heol Cynan, Swansea, SA4 4LU20, Heol Cynan, Swansea, SA4 4LU
- Sold Jul 2025£175,000 | 3 Bed House22, Heol Nantlais, Swansea, SA4 4LS22, Heol Nantlais, Swansea, SA4 4LS
- Sold May 2023£180,000 | 3 Bed House20, Heol Nantlais, Swansea, SA4 4LS20, Heol Nantlais, Swansea, SA4 4LS
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 21, Heol Nantlais, Swansea as the 21st largest and the 25th most expensive of the 30 addresses on Heol Nantlais, Gorseinon, Swansea, SA4.
Against the SA4 postcode district average, it is £59k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llangennech|3.0 km away
- Gowerton|3.3 km away
- Bynea|4.0 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
