HM Land Registry records the plot of land for 4, William Street, Aberystwyth as measuring 74 m².

That makes it the 6th largest plot in the postcode, where 6 of the 7 other houses have recorded plot data.

4, William Street, Aberystwyth has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 11 Dec 2018.

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

The most recent sale of 4, William Street, Aberystwyth completed on 20th December 2006 at £190,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

• Sold Dec 2006£190,000
• Sold Oct 1998£67,000

Since 2021 88 properties similar to 4, William Street, Aberystwyth have sold within a radius of 430 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 21st April 2026, was 35, Greenfield Street, Aberystwyth, SY23 1PJ, a freehold house which sold for £259,000.

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£205,000 | 4 Bed House59, Bridge Street, Aberystwyth, SY23 1QB59, Bridge Street, Aberystwyth, SY23 1QB
• 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 Jul 2025£207,500 | 4 Bed House3, High Street, Aberystwyth, SY23 1JG3, High Street, Aberystwyth, SY23 1JG
• Sold Jan 2025£200,000 | 3 Bed House34, Prospect Street, Aberystwyth, SY23 1JJ34, Prospect Street, Aberystwyth, SY23 1JJ
• Sold Oct 2024£176,000 | 4 Bed House10, High Street, Aberystwyth, SY23 1JG10, High Street, Aberystwyth, SY23 1JG
• Sold Sep 2024£209,000 | 3 Bed House8, Greenfield Street, Aberystwyth, SY23 1PJ8, Greenfield Street, Aberystwyth, SY23 1PJ
• Sold Aug 2024£180,000 | 4 Bed House22, Portland Road, Aberystwyth, SY23 2NL22, Portland Road, Aberystwyth, SY23 2NL
• 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 Oct 2023£175,000 | 4 Bed House6, High Street, Aberystwyth, SY23 1JG6, High Street, Aberystwyth, SY23 1JG
• Sold Aug 2023£280,000 | 4 Bed House12, Prospect Street, Aberystwyth, SY23 1JJ12, Prospect Street, Aberystwyth, SY23 1JJ
• Sold Mar 2023£230,000 | 3 Bed House7, Bridge Street, Aberystwyth, SY23 1PY7, Bridge Street, Aberystwyth, SY23 1PY
• Sold Jun 2022£250,000 | 4 Bed House2, Custom House Street, Aberystwyth, SY23 1JR2, Custom House Street, Aberystwyth, SY23 1JR
• 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£195,000 | 3 Bed House13, High Street, Aberystwyth, SY23 1JG13, High Street, Aberystwyth, SY23 1JG
• Sold Jun 2021£165,000 | 4 Bed House5, Powell Street, Aberystwyth, SY23 1QQ5, Powell Street, Aberystwyth, SY23 1QQ

Of the 19 addresses on William Street, Aberystwyth, SY23, 4, William Street, Aberystwyth comes out as the largest and the 5th most expensive in our analysis of the public data.

It is also £43k less expensive than the average property across the SY23 district.

• Aberystwyth

  |

  200 m away
• Bow Street

  |

  4.6 km away
• Borth

  |

  9.0 km away

The flood risk here is rated Very Low, based on Environment Agency data.