According to data from HM Land Registry, 31, Heol Nantlais, Swansea sits on a plot of 273 m².

We have plot size data on 18 out of 30 other houses in the postcode and 31, Heol Nantlais, Swansea sits on the 11th largest plot.

31, Heol Nantlais, Swansea has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Aug 2025.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to the Land Registry and our network of Estate Agents, there have been 214 sales of properties similar to 31, Heol Nantlais, Swansea within a radius of 950 metres since 2016.

The most recent example is 149, Frampton Road, Swansea, SA4 4YG, a freehold house which sold for £268,000 on the 8th April 2026.

Read more about house prices in SA4.

• Sold Apr 2026£268,000 | 3 Bed House149, Frampton Road, Swansea, SA4 4YG149, Frampton Road, Swansea, SA4 4YG
• Sold Sep 2025£168,000 | 3 Bed House42, Heol Gwenallt, Swansea, SA4 4JL42, Heol Gwenallt, Swansea, SA4 4JL
• Sold Apr 2025£180,000 | 3 Bed House7, Heol Nantlais, Swansea, SA4 4LS7, Heol Nantlais, Swansea, SA4 4LS
• Sold Dec 2024£195,000 | 3 Bed House4, Heol Elfed, Swansea, SA4 4GH4, Heol Elfed, Swansea, SA4 4GH
• Sold Dec 2024£188,000 | 3 Bed House34, Brynteg Road, Swansea, SA4 4FJ34, Brynteg Road, Swansea, SA4 4FJ
• Sold Nov 2024£205,000 | 3 Bed House1, Heol Dyfed, Swansea, SA4 4GF1, Heol Dyfed, Swansea, SA4 4GF
• Sold Aug 2024£169,000 | 3 Bed House42, Brynteg Road, Swansea, SA4 4FJ42, Brynteg Road, Swansea, SA4 4FJ
• Sold May 2024£170,000 | 3 Bed House30, Brunant Road, Swansea, SA4 4FL30, Brunant Road, Swansea, SA4 4FL
• Sold Apr 2024£195,000 | 3 Bed House27, Heol Dylan, Swansea, SA4 4LR27, Heol Dylan, Swansea, SA4 4LR
• Sold Dec 2023£195,000 | 3 Bed HouseElsdon, Pontardulais Road, Swansea, SA4 4LPElsdon, Pontardulais Road, Swansea, SA4 4LP
• Sold Sep 2023£168,000 | 3 Bed House261, Frampton Road, Swansea, SA4 4LY261, Frampton Road, Swansea, SA4 4LY
• Sold Feb 2023£212,000 | 3 Bed House7, Westgrove Court, Swansea, SA4 4FH7, Westgrove Court, Swansea, SA4 4FH
• Sold Oct 2022£155,000 | 3 Bed House35, Brynteg Road, Swansea, SA4 4FJ35, Brynteg Road, Swansea, SA4 4FJ
• Sold Jul 2022£220,000 | 3 Bed House45, Heol Dylan, Swansea, SA4 4LR45, Heol Dylan, Swansea, SA4 4LR
• Sold May 2022£212,000 | 3 Bed House10, Heol Dyfed, Swansea, SA4 4GF10, Heol Dyfed, Swansea, SA4 4GF
• Sold Dec 2021£169,995 | 3 Bed House88, Heol Gwenallt, Swansea, SA4 4JN88, Heol Gwenallt, Swansea, SA4 4JN
• Sold Sep 2021£270,000 | 3 Bed House92, Brynteg Road, Swansea, SA4 4FR92, Brynteg Road, Swansea, SA4 4FR
• Sold Jun 2021£175,000 | 3 Bed House41, Heol Islwyn, Swansea, SA4 4LJ41, Heol Islwyn, Swansea, SA4 4LJ
• Sold Oct 2017£115,000 | 3 Bed House24, Heol Nantlais, Swansea, SA4 4LS24, Heol Nantlais, Swansea, SA4 4LS
• Sold Apr 2016£167,500 | 3 Bed House20, Heol Dylan, Swansea, SA4 4LR20, Heol Dylan, Swansea, SA4 4LR

Heol Nantlais, Gorseinon, Swansea, SA4 has a total of 30 addresses. According to our analysis of all the public data, 31, Heol Nantlais, Swansea is the largest and the 2nd most expensive property on the street.

When compared to the postcode district it is £8k less expensive than the average property in SA4.

• Llangennech

  |

  3.0 km away
• Gowerton

  |

  3.3 km away
• Bynea

  |

  4.0 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.