HM Land Registry records the plot of land for 21, William Street, Tonypandy as measuring 178 m².

That makes it the 2nd largest plot in the postcode, where 10 of the 25 other houses have recorded plot data.

21, William Street, Tonypandy has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Dec 2019.

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

Since 2016 230 properties similar to 21, William Street, Tonypandy have sold within a radius of 1.1 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 8th May 2026, was 7, Rhondda Terrace, Tonypandy, CF40 2JN, a freehold house which sold for £105,000.

Read more about house prices in CF40.

• Sold May 2026£105,000 | 3 Bed House7, Rhondda Terrace, Tonypandy, CF40 2JN7, Rhondda Terrace, Tonypandy, CF40 2JN
• Sold Feb 2026£100,000 | 3 Bed House5, Ynyscynon Road, Tonypandy, CF40 2LN5, Ynyscynon Road, Tonypandy, CF40 2LN
• Sold Oct 2025£100,000 | 3 Bed House26, Sherwood Street, Tonypandy, CF40 2TB26, Sherwood Street, Tonypandy, CF40 2TB
• Sold Oct 2025£142,500 | 3 Bed House32, Sherwood Street, Tonypandy, CF40 2TB32, Sherwood Street, Tonypandy, CF40 2TB
• Sold Apr 2025£179,950 | 3 Bed House12, Railway View, Tonypandy, CF40 2TJ12, Railway View, Tonypandy, CF40 2TJ
• Sold Feb 2025£140,000 | 3 Bed House7, Sherwood Street, Tonypandy, CF40 2TB7, Sherwood Street, Tonypandy, CF40 2TB
• Sold Dec 2024£80,000 | 3 Bed House6, Ynyscynon Road, Tonypandy, CF40 2LN6, Ynyscynon Road, Tonypandy, CF40 2LN
• Sold Oct 2024£96,000 | 3 Bed House31, Church Street, Tonypandy, CF40 2ND31, Church Street, Tonypandy, CF40 2ND
• Sold Aug 2024£128,000 | 3 Bed House26, Ynyscynon Road, Tonypandy, CF40 2LN26, Ynyscynon Road, Tonypandy, CF40 2LN
• Sold Jul 2024£65,000 | 3 Bed House119, Partridge Road, Tonypandy, CF40 2LU119, Partridge Road, Tonypandy, CF40 2LU
• Sold Oct 2023£129,950 | 3 Bed House2, Church Street, Tonypandy, CF40 2ND2, Church Street, Tonypandy, CF40 2ND
• Sold Jul 2023£139,995 | 3 Bed House21, Salem Terrace, Tonypandy, CF40 2JL21, Salem Terrace, Tonypandy, CF40 2JL
• Sold Jun 2023£144,995 | 3 Bed House4, Church Street, Tonypandy, CF40 2ND4, Church Street, Tonypandy, CF40 2ND
• Sold Apr 2023£104,995 | 3 Bed House2, William Street, Tonypandy, CF40 2NE2, William Street, Tonypandy, CF40 2NE
• Sold Mar 2023£98,000 | 3 Bed House17, William Street, Tonypandy, CF40 2NE17, William Street, Tonypandy, CF40 2NE
• Sold Sep 2022£145,000 | 3 Bed House19, William Street, Tonypandy, CF40 2NE19, William Street, Tonypandy, CF40 2NE
• Sold May 2020£97,000 | 3 Bed House20, William Street, Tonypandy, CF40 2NE20, William Street, Tonypandy, CF40 2NE
• Sold Jun 2018£82,450 | 3 Bed House6, Church Street, Tonypandy, CF40 2ND6, Church Street, Tonypandy, CF40 2ND
• Sold Nov 2017£65,000 | 3 Bed House28, Church Street, Tonypandy, CF40 2ND28, Church Street, Tonypandy, CF40 2ND
• Sold Nov 2016£83,000 | 3 Bed House30, Church Street, Tonypandy, CF40 2ND30, Church Street, Tonypandy, CF40 2ND

Of the 25 addresses on William Street, Tonypandy, CF40, 21, William Street, Tonypandy comes out as the 19th largest and the 19th most expensive in our analysis of the public data.

It is also £26k less expensive than the average property across the CF40 district.

• Llwynypia

  |

  500 m away
• Ystrad Rhondda

  |

  1.6 km away
• Tonypandy

  |

  1.7 km away

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