4, Rock Terrace, Machynlleth occupies a 55 m² plot as recorded by HM Land Registry.

All 4 other houses in this postcode have recorded plot sizes, and this one ranks as the largest.

4, Rock Terrace, Machynlleth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 06 Sep 2019.

The property is connected to mains gas and has fully double glazed windows. It is heated using air source heat pump (radiators, electric).

4, Rock Terrace, Machynlleth last changed hands on 17th May 2018, selling for £127,500. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 52.5% since May 2018.

• Sold May 2018£127,500
• Sold Jan 2011£118,000

Land Registry records and our Estate Agent network show 107 sales of comparable properties within 6.4 kilometres of 4, Rock Terrace, Machynlleth since 2016.

Most recently, 22, Tre Garth, Machynlleth, SY20 8HT, a freehold house, sold at £205,000 on the 10th December 2025.

Read more about house prices in SY20.

• Sold Dec 2025£205,000 | 3 Bed House22, Tre Garth, Machynlleth, SY20 8HT22, Tre Garth, Machynlleth, SY20 8HT
• Sold Sep 2025£175,000 | 3 Bed House16, Tremyrallt, Machynlleth, SY20 8EN16, Tremyrallt, Machynlleth, SY20 8EN
• Sold Aug 2025£177,000 | 3 Bed House2, Tre Garth, Machynlleth, SY20 8HT2, Tre Garth, Machynlleth, SY20 8HT
• Sold Jun 2025£195,000 | 3 Bed House78, Tre Garth, Machynlleth, SY20 8HY78, Tre Garth, Machynlleth, SY20 8HY
• Sold Apr 2025£140,500 | 3 Bed House23, Heol Y Doll, Machynlleth, SY20 8BH23, Heol Y Doll, Machynlleth, SY20 8BH
• Sold Sep 2024£170,000 | 3 Bed House6, Heol Iorwerth, Machynlleth, SY20 8HS6, Heol Iorwerth, Machynlleth, SY20 8HS
• Sold May 2024£100,000 | 3 Bed House39, Tre Garth, Machynlleth, SY20 8HU39, Tre Garth, Machynlleth, SY20 8HU
• Sold Apr 2022£165,000 | 3 Bed House1, Heol Iorwerth, Machynlleth, SY20 8HS1, Heol Iorwerth, Machynlleth, SY20 8HS
• Sold Mar 2022£180,000 | 3 Bed House1, Tre Garth, Machynlleth, SY20 8HT1, Tre Garth, Machynlleth, SY20 8HT
• Sold Mar 2022£145,000 | 3 Bed House5 Penrallt Estate, Penrallt Street, Machynlleth, SY20 8AN5 Penrallt Estate, Penrallt Street, Machynlleth, SY20 8AN
• Sold Mar 2022£160,000 | 3 Bed House11, Heol Iorwerth, Machynlleth, SY20 8HS11, Heol Iorwerth, Machynlleth, SY20 8HS
• Sold Aug 2021£150,000 | 3 Bed House31, Tre Garth, Machynlleth, SY20 8HU31, Tre Garth, Machynlleth, SY20 8HU
• Sold Apr 2021£166,750 | 3 Bed House6 Penrallt Estate, Penrallt Street, Machynlleth, SY20 8AN6 Penrallt Estate, Penrallt Street, Machynlleth, SY20 8AN
• Sold Mar 2021£148,000 | 3 Bed House15, Tremyrallt, Machynlleth, SY20 8EN15, Tremyrallt, Machynlleth, SY20 8EN
• Sold Dec 2020£139,000 | 3 Bed House3, Heol Iorwerth, Machynlleth, SY20 8HS3, Heol Iorwerth, Machynlleth, SY20 8HS
• Sold Jul 2019£122,000 | 3 Bed House17, Heol Iorwerth, Machynlleth, SY20 8HS17, Heol Iorwerth, Machynlleth, SY20 8HS
• Sold Feb 2019£232,500 | 3 Bed House7, Maes Glas, Machynlleth, SY20 8AW7, Maes Glas, Machynlleth, SY20 8AW
• Sold Jul 2018£155,000 | 3 Bed House41, Tre Garth, Machynlleth, SY20 8HU41, Tre Garth, Machynlleth, SY20 8HU
• Sold Dec 2016£125,000 | 3 Bed HouseAwelon, Heol Powys, Machynlleth, SY20 8AYAwelon, Heol Powys, Machynlleth, SY20 8AY
• Sold Oct 2016£136,000 | 3 Bed House1, Rock Terrace, Machynlleth, SY20 8AP1, Rock Terrace, Machynlleth, SY20 8AP

Our analysis of the public data ranks 4, Rock Terrace, Machynlleth as the 3rd largest and the 3rd most expensive of the 4 addresses on Rock Terrace, Machynlleth, SY20.

Against the SY20 postcode district average, it is £68k less expensive than the typical property.

• Machynlleth

  |

  400 m away
• Dovey Junction

  |

  5.8 km away
• Penhelig

  |

  13.4 km away

Environment Agency data suggests this area has a Very Low risk of flooding.