21, Mill Street, Aberystwyth occupies a 88 m² plot as recorded by HM Land Registry.

Of the 9 other houses in this postcode, 4 have recorded plot sizes, and this one ranks as the 2nd largest.

21, Mill Street, Aberystwyth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Jul 2020.

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

21, Mill Street, Aberystwyth last changed hands on 14th July 2023, selling for £233,000. 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 9.5% since July 2023.

• Sold Jul 2023£233,000
• Sold Mar 2012£150,000

Land Registry records and our Estate Agent network show 67 sales of comparable properties within 420 metres of 21, Mill Street, Aberystwyth since 2019.

Most recently, 35, Greenfield Street, Aberystwyth, SY23 1PJ, a freehold house, sold at £259,000 on the 21st April 2026.

Read more about house prices in SY23.

• Sold Apr 2026£259,000 | 3 Bed House35, Greenfield Street, Aberystwyth, SY23 1PJ35, Greenfield Street, Aberystwyth, SY23 1PJ
• Sold Mar 2026£210,000 | 3 Bed House30, Greenfield Street, Aberystwyth, SY23 1PJ30, Greenfield Street, Aberystwyth, SY23 1PJ
• Sold Feb 2026£250,000 | 3 Bed House38, High Street, Aberystwyth, SY23 1JG38, High Street, Aberystwyth, SY23 1JG
• Sold Oct 2025£105,471 | 3 Bed House9, George Street, Aberystwyth, SY23 1QG9, George Street, Aberystwyth, SY23 1QG
• Sold Aug 2025£195,000 | 3 Bed House10, Custom House Street, Aberystwyth, SY23 1JR10, Custom House Street, Aberystwyth, SY23 1JR
• Sold Aug 2025£165,000 | 3 Bed House22, Greenfield Street, Aberystwyth, SY23 1PJ22, Greenfield Street, Aberystwyth, SY23 1PJ
• Sold Sep 2024£209,000 | 3 Bed House8, Greenfield Street, Aberystwyth, SY23 1PJ8, Greenfield Street, Aberystwyth, SY23 1PJ
• Sold Apr 2024£195,000 | 3 Bed House5, William Street, Aberystwyth, SY23 1QF5, William Street, Aberystwyth, SY23 1QF
• Sold Mar 2024£214,000 | 3 Bed House14, Prospect Street, Aberystwyth, SY23 1JJ14, Prospect Street, Aberystwyth, SY23 1JJ
• Sold Nov 2023£145,000 | 3 Bed House40, Queen Street, Aberystwyth, SY23 1PU40, Queen Street, Aberystwyth, SY23 1PU
• Sold Jun 2023£182,500 | 3 Bed House7, Queen Street, Aberystwyth, SY23 1PU7, Queen Street, Aberystwyth, SY23 1PU
• Sold Mar 2023£230,000 | 3 Bed House7, Bridge Street, Aberystwyth, SY23 1PY7, Bridge Street, Aberystwyth, SY23 1PY
• Sold Feb 2023£100,000 | 3 Bed House6, Prospect Street, Aberystwyth, SY23 1JJ6, Prospect Street, Aberystwyth, SY23 1JJ
• Sold Jan 2022£190,000 | 3 Bed House15, Glanrafon Terrace, Aberystwyth, SY23 1BY15, Glanrafon Terrace, Aberystwyth, SY23 1BY
• Sold Nov 2021£185,000 | 3 Bed House32, Greenfield Street, Aberystwyth, SY23 1PJ32, Greenfield Street, Aberystwyth, SY23 1PJ
• Sold Sep 2021£159,500 | 3 Bed House36, Prospect Street, Aberystwyth, SY23 1JJ36, Prospect Street, Aberystwyth, SY23 1JJ
• Sold Aug 2021£160,000 | 3 Bed House12, Greenfield Street, Aberystwyth, SY23 1PJ12, Greenfield Street, Aberystwyth, SY23 1PJ
• Sold Aug 2021£195,000 | 3 Bed House13, High Street, Aberystwyth, SY23 1JG13, High Street, Aberystwyth, SY23 1JG
• Sold Mar 2021£146,000 | 3 Bed House14, Greenfield Street, Aberystwyth, SY23 1PJ14, Greenfield Street, Aberystwyth, SY23 1PJ
• Sold Apr 2019£196,000 | 3 Bed House40, High Street, Aberystwyth, SY23 1JG40, High Street, Aberystwyth, SY23 1JG

Our analysis of the public data ranks 21, Mill Street, Aberystwyth as the 6th largest and the 3rd most expensive of the 33 addresses on Mill Street, Aberystwyth, SY23.

Against the SY23 postcode district average, it is £30k less expensive than the typical property.

• Aberystwyth

  |

  300 m away
• Bow Street

  |

  4.7 km away
• Borth

  |

  9.1 km away

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