9, William Street, Aberystwyth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Mar 2022.

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 49 sales of properties similar to 9, William Street, Aberystwyth within a radius of 430 metres since 2017.

The most recent example is 30, Greenfield Street, Aberystwyth, SY23 1PJ, a freehold house which sold for £210,000 on the 20th March 2026.

Read more about house prices in SY23.

• Sold Mar 2026£210,000 | 3 Bed House30, Greenfield Street, Aberystwyth, SY23 1PJ30, Greenfield Street, Aberystwyth, SY23 1PJ
• Sold Sep 2025£198,000 | 3 Bed House14, Penmaesglas Road, Aberystwyth, SY23 1JP14, Penmaesglas Road, Aberystwyth, SY23 1JP
• Sold Aug 2025£200,000 | 3 Bed House8, Green Gardens, Aberystwyth, SY23 1BB8, Green Gardens, Aberystwyth, SY23 1BB
• Sold Aug 2025£165,000 | 3 Bed House22, Greenfield Street, Aberystwyth, SY23 1PJ22, Greenfield Street, Aberystwyth, SY23 1PJ
• Sold Feb 2024£195,000 | 3 Bed House8, William Street, Aberystwyth, SY23 1QF8, William Street, Aberystwyth, SY23 1QF
• Sold Jan 2024£215,000 | 3 Bed House2, George Street, Aberystwyth, SY23 1QG2, George Street, Aberystwyth, SY23 1QG
• Sold Nov 2023£145,000 | 3 Bed House40, Queen Street, Aberystwyth, SY23 1PU40, Queen Street, Aberystwyth, SY23 1PU
• Sold Aug 2023£130,000 | 3 Bed House17, South Road, Aberystwyth, SY23 1JF17, South Road, Aberystwyth, SY23 1JF
• Sold Jun 2023£182,500 | 3 Bed House7, Queen Street, Aberystwyth, SY23 1PU7, Queen Street, Aberystwyth, SY23 1PU
• Sold Feb 2023£100,000 | 3 Bed House6, Prospect Street, Aberystwyth, SY23 1JJ6, Prospect Street, Aberystwyth, SY23 1JJ
• Sold Jan 2023£165,500 | 3 Bed House15, Grays Inn Road, Aberystwyth, SY23 1QE15, Grays Inn Road, Aberystwyth, SY23 1QE
• Sold Apr 2022£170,000 | 3 Bed House24, Cambrian Street, Aberystwyth, SY23 1NZ24, Cambrian Street, Aberystwyth, SY23 1NZ
• Sold Nov 2021£190,000 | 3 Bed House32, Prospect Street, Aberystwyth, SY23 1JJ32, 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£160,000 | 3 Bed House3, William Street, Aberystwyth, SY23 1QF3, William Street, Aberystwyth, SY23 1QF
• Sold Sep 2020£165,000 | 3 Bed House7, William Street, Aberystwyth, SY23 1QF7, William Street, Aberystwyth, SY23 1QF
• Sold Nov 2019£154,000 | 3 Bed House8, Prospect Street, Aberystwyth, SY23 1JJ8, Prospect Street, Aberystwyth, SY23 1JJ
• Sold Nov 2019£140,000 | 3 Bed House5, Greenfield Street, Aberystwyth, SY23 1PJ5, Greenfield Street, Aberystwyth, SY23 1PJ
• Sold Oct 2019£130,000 | 3 Bed House15, South Road, Aberystwyth, SY23 1JF15, South Road, Aberystwyth, SY23 1JF
• Sold May 2017£134,000 | 3 Bed House6, Custom House Street, Aberystwyth, SY23 1JR6, Custom House Street, Aberystwyth, SY23 1JR

William Street, Aberystwyth, SY23 has a total of 19 addresses. According to our analysis of all the public data, 9, William Street, Aberystwyth is the 8th largest and the 10th most expensive property on the street.

When compared to the postcode district it is £74k less expensive than the average property in SY23.

• Aberystwyth

  |

  200 m away
• Bow Street

  |

  4.6 km away
• Borth

  |

  9.0 km away

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