20, Castle Road, Penzance occupies a 146 m² plot as recorded by HM Land Registry.

Of the 28 other houses in this postcode, 18 have recorded plot sizes, and this one ranks as the 12th largest.

20, Castle Road, Penzance has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Jun 2026.

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

20, Castle Road, Penzance last changed hands on 17th July 2025, selling for £325,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 7.1% since July 2025.

• Sold Jul 2025£325,000

Land Registry records and our Estate Agent network show 84 sales of comparable properties within 430 metres of 20, Castle Road, Penzance since 2017.

Most recently, 26, Tolver Road, Penzance, TR18 2AQ, a freehold house, sold at £365,000 on the 8th December 2025.

Read more about house prices in TR18.

• Sold Dec 2025£365,000 | 4 Bed House26, Tolver Road, Penzance, TR18 2AQ26, Tolver Road, Penzance, TR18 2AQ
• Sold Dec 2025£340,000 | 3 Bed House62, Belgravia Street, Penzance, TR18 2BL62, Belgravia Street, Penzance, TR18 2BL
• Sold Oct 2025£297,500 | 4 Bed House4, Victoria Square, Penzance, TR18 2EP4, Victoria Square, Penzance, TR18 2EP
• Sold Oct 2025£433,000 | 3 Bed House11, Harbour View Crescent, Penzance, TR18 2AZ11, Harbour View Crescent, Penzance, TR18 2AZ
• Sold Aug 2025£273,500 | 3 Bed House10, St. Marys Street, Penzance, TR18 2DH10, St. Marys Street, Penzance, TR18 2DH
• Sold Jan 2025£312,500 | 4 Bed House12, Treassowe Road, Penzance, TR18 2AU12, Treassowe Road, Penzance, TR18 2AU
• Sold Oct 2024£310,000 | 3 Bed House11, Belle Vue Terrace, Penzance, TR18 2BZ11, Belle Vue Terrace, Penzance, TR18 2BZ
• Sold Oct 2024£220,000 | 3 Bed House18, Barwis Terrace, Penzance, TR18 2AW18, Barwis Terrace, Penzance, TR18 2AW
• Sold Aug 2024£375,000 | 4 Bed House8, Lescudjack Road, Penzance, TR18 3AD8, Lescudjack Road, Penzance, TR18 3AD
• Sold Apr 2023£350,000 | 4 Bed House1, Castle Road, Penzance, TR18 2AX1, Castle Road, Penzance, TR18 2AX
• Sold Jan 2023£395,000 | 4 Bed House26, Barwis Terrace, Penzance, TR18 2AW26, Barwis Terrace, Penzance, TR18 2AW
• Sold Sep 2021£273,000 | 3 Bed House3, Leskinnick Terrace, Penzance, TR18 2HB3, Leskinnick Terrace, Penzance, TR18 2HB
• Sold Aug 2021£310,000 | 3 Bed House2, Lescudjack Road, Penzance, TR18 3AD2, Lescudjack Road, Penzance, TR18 3AD
• Sold Aug 2021£295,000 | 3 Bed House34, Barwis Terrace, Penzance, TR18 2AW34, Barwis Terrace, Penzance, TR18 2AW
• Sold Mar 2021£263,000 | 3 Bed House6, Lescudjack Terrace, Penzance, TR18 3AE6, Lescudjack Terrace, Penzance, TR18 3AE
• Sold Feb 2021£115,000 | 4 Bed House6, Belle Vue Terrace, Penzance, TR18 2BZ6, Belle Vue Terrace, Penzance, TR18 2BZ
• Sold Dec 2020£185,500 | 3 Bed House17, Lescudjack Road, Penzance, TR18 3AD17, Lescudjack Road, Penzance, TR18 3AD
• Sold Aug 2018£250,000 | 4 Bed House21, Castle Road, Penzance, TR18 2AX21, Castle Road, Penzance, TR18 2AX
• Sold Oct 2017£278,000 | 4 Bed House33, Treassowe Road, Penzance, TR18 2AU33, Treassowe Road, Penzance, TR18 2AU
• Sold May 2017£240,000 | 4 Bed House28, Treassowe Road, Penzance, TR18 2AU28, Treassowe Road, Penzance, TR18 2AU

Our analysis of the public data ranks 20, Castle Road, Penzance as the 9th largest and the 14th most expensive of the 30 addresses on Castle Road, Penzance, TR18.

Against the TR18 postcode district average, it is £30k more expensive than the typical property.

• St Mary's Catholic School, Penzance

  200 m away
• Pensans Community Primary School

  900 m away
• Gulval School

  1.1 km away

• Humphry Davy School

  400 m away
• Mounts Bay Academy

  1.5 km away
• St Ives School

  9.4 km away

• Penzance

  |

  400 m away
• St Erth

  |

  8.2 km away
• Lelant Saltings

  |

  9.0 km away

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