According to data from HM Land Registry, 18, Trinity Court, Seaham sits on a plot of 138 m².

We have plot size data on 17 out of 20 other houses in the postcode and 18, Trinity Court, Seaham sits on the 11th largest plot.

18, Trinity Court, Seaham has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 11 Mar 2016.

The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 18, Trinity Court, Seaham was last sold on 29th April 2016 for £173,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since April 2016, the market for similar properties has dropped by 25.0%.

• Sold Apr 2016£173,000

According to the Land Registry and our network of Estate Agents, there have been 94 sales of properties similar to 18, Trinity Court, Seaham within a radius of 620 metres since 2017.

The most recent example is 52, Mariners Way, Seaham, SR7 7EB, a leasehold house which sold for £231,000 on the 5th March 2026.

Read more about house prices in SR7.

• Sold Mar 2026£231,000 | 3 Bed House52, Mariners Way, Seaham, SR7 7EB52, Mariners Way, Seaham, SR7 7EB
• Sold Sep 2025£270,000 | 3 Bed House42, Stoneycroft Way, Seaham, SR7 7DG42, Stoneycroft Way, Seaham, SR7 7DG
• Sold Jul 2025£232,500 | 4 Bed House16, Trinity Court, Seaham, SR7 7AS16, Trinity Court, Seaham, SR7 7AS
• Sold Mar 2025£263,000 | 3 Bed House14, Souter Drive, Seaham, SR7 7WT14, Souter Drive, Seaham, SR7 7WT
• Sold Jun 2024£292,000 | 3 Bed House45, Stoneycroft Way, Seaham, SR7 7DG45, Stoneycroft Way, Seaham, SR7 7DG
• Sold Feb 2024£175,750 | 4 Bed House7, Trinity Court, Seaham, SR7 7AS7, Trinity Court, Seaham, SR7 7AS
• Sold Aug 2023£167,000 | 3 Bed House9, Trinity Court, Seaham, SR7 7AS9, Trinity Court, Seaham, SR7 7AS
• Sold Jan 2023£267,000 | 3 Bed House28, Souter Drive, Seaham, SR7 7WT28, Souter Drive, Seaham, SR7 7WT
• Sold Jan 2023£225,000 | 3 Bed House42, Mariners Way, Seaham, SR7 7EB42, Mariners Way, Seaham, SR7 7EB
• Sold Oct 2022£175,000 | 3 Bed House45, Mariners Way, Seaham, SR7 7EB45, Mariners Way, Seaham, SR7 7EB
• Sold Jun 2022£249,950 | 3 Bed House36, Mariners Way, Seaham, SR7 7EB36, Mariners Way, Seaham, SR7 7EB
• Sold May 2022£230,000 | 3 Bed House44, Mariners Way, Seaham, SR7 7EB44, Mariners Way, Seaham, SR7 7EB
• Sold May 2022£275,000 | 3 Bed House3, Souter Drive, Seaham, SR7 7WT3, Souter Drive, Seaham, SR7 7WT
• Sold Nov 2021£210,000 | 3 Bed House39, Mariners Way, Seaham, SR7 7EB39, Mariners Way, Seaham, SR7 7EB
• Sold Feb 2021£247,500 | 3 Bed House15, Hunstanton, Seaham, SR7 7WN15, Hunstanton, Seaham, SR7 7WN
• Sold Oct 2020£220,000 | 3 Bed House21, Caister Close, Seaham, SR7 7WP21, Caister Close, Seaham, SR7 7WP
• Sold Apr 2018£185,000 | 3 Bed House41, Mariners Way, Seaham, SR7 7EB41, Mariners Way, Seaham, SR7 7EB
• Sold Oct 2017£165,000 | 3 Bed House30, Goswick Way, Seaham, SR7 7WJ30, Goswick Way, Seaham, SR7 7WJ
• Sold Oct 2017£167,000 | 3 Bed House59, Tintagel Drive, Seaham, SR7 7AL59, Tintagel Drive, Seaham, SR7 7AL
• Sold Apr 2017£181,000 | 3 Bed House47, Mariners Way, Seaham, SR7 7EB47, Mariners Way, Seaham, SR7 7EB

Trinity Court, Seaham, SR7 has a total of 20 addresses. According to our analysis of all the public data, 18, Trinity Court, Seaham is the 14th largest and the 11th most expensive property on the street.

When compared to the postcode district it is £73k more expensive than the average property in SR7.

• St Mary Magdalen's Catholic Primary School

  100 m away
• Seaham Trinity Primary School

  600 m away
• Ropery Walk Primary School

  1.1 km away

• Seaham High School

  1.4 km away
• Venerable Bede Church of England Academy

  4.8 km away
• Southmoor Academy

  5.9 km away

• Seaham

  |

  500 m away
• Sunderland

  |

  7.6 km away
• Horden

  |

  9.2 km away

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