4, Castlereagh Road, Seaham occupies a 191 m² plot as recorded by HM Land Registry.

All 5 other houses in this postcode have recorded plot sizes, and this one ranks as the 3rd largest.

4, Castlereagh Road, Seaham has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 17 Feb 2022.

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

4, Castlereagh Road, Seaham last changed hands on 21st April 2022, selling for £310,000. 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 10.5% since April 2022.

• Sold Apr 2022£310,000

Land Registry records and our Estate Agent network show 17 sales of comparable properties within 650 metres of 4, Castlereagh Road, Seaham since 2009.

Most recently, 18, Maureen Terrace, Seaham, SR7 7SN, a freehold house, sold at £320,000 on the 27th November 2025.

Read more about house prices in SR7.

• Sold Nov 2025£320,000 | 5 Bed House18, Maureen Terrace, Seaham, SR7 7SN18, Maureen Terrace, Seaham, SR7 7SN
• Sold Oct 2025£310,000 | 4 Bed House12, Northdene Avenue, Seaham, SR7 7BH12, Northdene Avenue, Seaham, SR7 7BH
• Sold Dec 2022£282,500 | 4 Bed HouseDale View, Strangford Road, Seaham, SR7 8QEDale View, Strangford Road, Seaham, SR7 8QE
• Sold Aug 2022£299,950 | 5 Bed House5, Castlereagh Road, Seaham, SR7 7AT5, Castlereagh Road, Seaham, SR7 7AT
• Sold May 2021£300,000 | 4 Bed House5, Runswick Drive, Seaham, SR7 7WR5, Runswick Drive, Seaham, SR7 7WR
• Sold Jan 2021£318,000 | 4 Bed House16, Maureen Terrace, Seaham, SR7 7SN16, Maureen Terrace, Seaham, SR7 7SN
• Sold Mar 2019£229,458 | 4 Bed House11, Maureen Terrace, Seaham, SR7 7SN11, Maureen Terrace, Seaham, SR7 7SN
• Sold Aug 2017£310,000 | 4 Bed House31, Runswick Drive, Seaham, SR7 7WR31, Runswick Drive, Seaham, SR7 7WR
• Sold Nov 2016£250,000 | 4 Bed House17, North Road, Seaham, SR7 7AB17, North Road, Seaham, SR7 7AB
• Sold Mar 2016£279,000 | 5 Bed House22A, North Terrace, Seaham, SR7 7EU22A, North Terrace, Seaham, SR7 7EU
• Sold Jul 2015£173,000 | 4 Bed House17, Maureen Terrace, Seaham, SR7 7SN17, Maureen Terrace, Seaham, SR7 7SN
• Sold Mar 2015£182,000 | 4 Bed House19, Maureen Terrace, Seaham, SR7 7SN19, Maureen Terrace, Seaham, SR7 7SN
• Sold Jan 2013£225,000 | 4 Bed House31, Maureen Terrace, Seaham, SR7 7SN31, Maureen Terrace, Seaham, SR7 7SN
• Sold May 2012£165,000 | 5 Bed House20, Maureen Terrace, Seaham, SR7 7SN20, Maureen Terrace, Seaham, SR7 7SN
• Sold Feb 2012£222,500 | 4 Bed House15, Tempest Road, Seaham, SR7 7BA15, Tempest Road, Seaham, SR7 7BA
• Sold Sep 2010£218,000 | 4 Bed House53, Runswick Drive, Seaham, SR7 7WR53, Runswick Drive, Seaham, SR7 7WR
• Sold Jul 2009£210,000 | 5 Bed House10, North Road, Seaham, SR7 7AA10, North Road, Seaham, SR7 7AA

Our analysis of the public data ranks 4, Castlereagh Road, Seaham as the 6th largest and the 5th most expensive of the 8 addresses on Castlereagh Road, Seaham, SR7.

Against the SR7 postcode district average, it is £183k more expensive than the typical property.

• St Mary Magdalen's Catholic Primary School

  300 m away
• Seaham Trinity Primary School

  400 m away
• Ropery Walk Primary School

  700 m away

• Seaham High School

  1.8 km away
• Venerable Bede Church of England Academy

  5.2 km away
• Southmoor Academy

  6.3 km away

• Seaham

  |

  300 m away
• Sunderland

  |

  8.0 km away
• Horden

  |

  8.9 km away

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