HM Land Registry records the plot of land for 18, Wynyard Street, Seaham as measuring 157 m².

That makes it the 19th largest plot in the postcode, where 19 of the 21 other houses have recorded plot data.

18, Wynyard Street, Seaham has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 Dec 2025.

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 18, Wynyard Street, Seaham completed on 4th December 2003 at £43,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Since 2021 57 properties similar to 18, Wynyard Street, Seaham have sold within a radius of 690 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 12th February 2026, was 36, Stavordale Street West, Seaham, SR7 7RA, a freehold house which sold for £65,000.

Read more about house prices in SR7.

• Sold Feb 2026£65,000 | 3 Bed House36, Stavordale Street West, Seaham, SR7 7RA36, Stavordale Street West, Seaham, SR7 7RA
• Sold Nov 2025£50,000 | 3 Bed House26, Stavordale Street West, Seaham, SR7 7RA26, Stavordale Street West, Seaham, SR7 7RA
• Sold Oct 2025£98,825 | 3 Bed House48, Ilchester Street, Seaham, SR7 7LW48, Ilchester Street, Seaham, SR7 7LW
• Sold Aug 2025£70,000 | 3 Bed House45, Strangways Street, Seaham, SR7 7LN45, Strangways Street, Seaham, SR7 7LN
• Sold May 2025£59,950 | 3 Bed House27, Strangways Street, Seaham, SR7 7LN27, Strangways Street, Seaham, SR7 7LN
• Sold Mar 2025£68,000 | 3 Bed House42, Strangways Street, Seaham, SR7 7LN42, Strangways Street, Seaham, SR7 7LN
• Sold Mar 2025£20,000 | 3 Bed House49, Strangways Street, Seaham, SR7 7LN49, Strangways Street, Seaham, SR7 7LN
• Sold Mar 2025£52,500 | 3 Bed House17, Strangways Street, Seaham, SR7 7LN17, Strangways Street, Seaham, SR7 7LN
• Sold Oct 2024£46,250 | 4 Bed House5, Ilchester Street, Seaham, SR7 7LW5, Ilchester Street, Seaham, SR7 7LW
• Sold Oct 2024£55,000 | 3 Bed House35, Stavordale Street West, Seaham, SR7 7RA35, Stavordale Street West, Seaham, SR7 7RA
• Sold Jul 2024£33,000 | 3 Bed House43, Strangways Street, Seaham, SR7 7LN43, Strangways Street, Seaham, SR7 7LN
• Sold Jun 2024£62,000 | 3 Bed House10, Strangways Street, Seaham, SR7 7LN10, Strangways Street, Seaham, SR7 7LN
• Sold May 2024£64,000 | 3 Bed House23, Wynyard Street, Seaham, SR7 7LU23, Wynyard Street, Seaham, SR7 7LU
• Sold Feb 2024£69,950 | 3 Bed House22, Stavordale Street West, Seaham, SR7 7RA22, Stavordale Street West, Seaham, SR7 7RA
• Sold Aug 2023£32,000 | 3 Bed House23, Strangways Street, Seaham, SR7 7LN23, Strangways Street, Seaham, SR7 7LN
• Sold Jan 2023£43,600 | 3 Bed House26, Strangways Street, Seaham, SR7 7LN26, Strangways Street, Seaham, SR7 7LN
• Sold Sep 2022£55,000 | 3 Bed House14, Strangways Street, Seaham, SR7 7LN14, Strangways Street, Seaham, SR7 7LN
• Sold Nov 2021£50,000 | 3 Bed House5, Stavordale Street West, Seaham, SR7 7RA5, Stavordale Street West, Seaham, SR7 7RA
• Sold Jul 2021£30,000 | 3 Bed House15, Wynyard Street, Seaham, SR7 7LU15, Wynyard Street, Seaham, SR7 7LU
• Sold Jul 2021£53,500 | 3 Bed House22, Strangways Street, Seaham, SR7 7LN22, Strangways Street, Seaham, SR7 7LN

Of the 65 addresses on Wynyard Street, Seaham, SR7, 18, Wynyard Street, Seaham comes out as the 30th largest and the 49th most expensive in our analysis of the public data.

It is also £67k less expensive than the average property across the SR7 district.

• Ropery Walk Primary School

  500 m away
• Seaham Trinity Primary School

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

  1.3 km away

• Seaham High School

  2.3 km away
• Easington Academy

  5.5 km away
• Venerable Bede Church of England Academy

  6.2 km away

• Seaham

  |

  900 m away
• Horden

  |

  7.9 km away
• Sunderland

  |

  9.0 km away

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