21, Marlborough, Seaham has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 24 Oct 2014.

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 63 sales of properties similar to 21, Marlborough, Seaham within a radius of 640 metres since 2012.

The most recent example is 4, Ropery Walk, Seaham, SR7 7JZ, a freehold house which sold for £110,000 on the 18th May 2026.

Read more about house prices in SR7.

• Sold May 2026£110,000 | 4 Bed House4, Ropery Walk, Seaham, SR7 7JZ4, Ropery Walk, Seaham, SR7 7JZ
• Sold May 2026£147,000 | 3 Bed House99, Dene House Road, Seaham, SR7 7BU99, Dene House Road, Seaham, SR7 7BU
• Sold Jan 2026£113,000 | 3 Bed House111, Princess Road, Seaham, SR7 7TB111, Princess Road, Seaham, SR7 7TB
• Sold Nov 2025£115,000 | 3 Bed House6, Dillon Street, Seaham, SR7 7TN6, Dillon Street, Seaham, SR7 7TN
• Sold Sep 2025£155,000 | 3 Bed House19, Grants Crescent, Seaham, SR7 7TR19, Grants Crescent, Seaham, SR7 7TR
• Sold Jan 2025£80,000 | 3 Bed House116, Princess Road, Seaham, SR7 7TB116, Princess Road, Seaham, SR7 7TB
• Sold Jul 2024£80,000 | 3 Bed House108, Princess Road, Seaham, SR7 7TB108, Princess Road, Seaham, SR7 7TB
• Sold Feb 2024£127,000 | 3 Bed House8, Shakespeare Street, Seaham, SR7 7JB8, Shakespeare Street, Seaham, SR7 7JB
• Sold Jan 2024£129,950 | 3 Bed House7, Shelley Street, Seaham, SR7 7JD7, Shelley Street, Seaham, SR7 7JD
• Sold May 2023£123,000 | 4 Bed House2, Elizabeth Street, Seaham, SR7 7TP2, Elizabeth Street, Seaham, SR7 7TP
• Sold Mar 2023£118,000 | 3 Bed House66, Viceroy Street, Seaham, SR7 7HY66, Viceroy Street, Seaham, SR7 7HY
• Sold Oct 2022£115,000 | 3 Bed House114, Princess Road, Seaham, SR7 7TB114, Princess Road, Seaham, SR7 7TB
• Sold May 2022£128,000 | 3 Bed House118, Princess Road, Seaham, SR7 7TB118, Princess Road, Seaham, SR7 7TB
• Sold Dec 2021£148,000 | 3 Bed House27, Dene Way, Seaham, SR7 7BW27, Dene Way, Seaham, SR7 7BW
• Sold Jun 2021£109,000 | 3 Bed House130, Princess Road, Seaham, SR7 7SP130, Princess Road, Seaham, SR7 7SP
• Sold Apr 2021£152,000 | 3 Bed House11, Grants Crescent, Seaham, SR7 7TR11, Grants Crescent, Seaham, SR7 7TR
• Sold Nov 2019£126,000 | 3 Bed House17, Henry Street, Seaham, SR7 7BZ17, Henry Street, Seaham, SR7 7BZ
• Sold Aug 2019£81,000 | 3 Bed House28, Henry Street, Seaham, SR7 7BZ28, Henry Street, Seaham, SR7 7BZ
• Sold Aug 2015£64,000 | 3 Bed House17, Marlborough, Seaham, SR7 7SA17, Marlborough, Seaham, SR7 7SA
• Sold Dec 2012£77,500 | 3 Bed House25, Marlborough, Seaham, SR7 7SA25, Marlborough, Seaham, SR7 7SA

Marlborough, Seaham, SR7 has a total of 89 addresses. According to our analysis of all the public data, 21, Marlborough, Seaham is the 9th largest and the 8th most expensive property on the street.

When compared to the postcode district it is £7k more expensive than the average property in SR7.

• Seaham Trinity Primary School

  300 m away
• St Mary Magdalen's Catholic Primary School

  400 m away
• Ropery Walk Primary School

  700 m away

• Seaham High School

  1.7 km away
• Venerable Bede Church of England Academy

  5.2 km away
• Easington Academy

  6.3 km away

• Seaham

  |

  200 m away
• Sunderland

  |

  8.1 km away
• Horden

  |

  8.8 km away

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