1, Mark Close, Seaford occupies a 449 m² plot as recorded by HM Land Registry.

All 6 other houses in this postcode have recorded plot sizes, and this one ranks as the 6th largest.

1, Mark Close, Seaford has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 08 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).

Land Registry records and our Estate Agent network show 177 sales of comparable properties within 1.2 kilometres of 1, Mark Close, Seaford since 2013.

Most recently, 17, Lullington Close, Seaford, BN25 4JH, a freehold house, sold at £650,000 on the 30th January 2026.

Read more about house prices in BN25.

• Sold Jan 2026£650,000 | 4 Bed House17, Lullington Close, Seaford, BN25 4JH17, Lullington Close, Seaford, BN25 4JH
• Sold Dec 2025£715,000 | 4 Bed House8, Barcombe Avenue, Seaford, BN25 4DT8, Barcombe Avenue, Seaford, BN25 4DT
• Sold Oct 2025£611,500 | 4 Bed House12, Lindfield Avenue, Seaford, BN25 4DY12, Lindfield Avenue, Seaford, BN25 4DY
• Sold Apr 2025£525,000 | 4 Bed House54, Kingston Way, Seaford, BN25 4NG54, Kingston Way, Seaford, BN25 4NG
• Sold Mar 2025£605,000 | 4 Bed House6, Ash Drive, Seaford, BN25 4BU6, Ash Drive, Seaford, BN25 4BU
• Sold Mar 2025£505,000 | 4 Bed House2, Ash Drive, Seaford, BN25 4BU2, Ash Drive, Seaford, BN25 4BU
• Sold Mar 2025£608,000 | 4 Bed House43, Chyngton Road, Seaford, BN25 4HP43, Chyngton Road, Seaford, BN25 4HP
• Sold Mar 2025£650,000 | 4 Bed HouseLittle Chyngton, Chyngton Lane, Seaford, BN25 4BSLittle Chyngton, Chyngton Lane, Seaford, BN25 4BS
• Sold Mar 2024£495,000 | 4 Bed House66, Cuckmere Road, Seaford, BN25 4DJ66, Cuckmere Road, Seaford, BN25 4DJ
• Sold Jun 2021£700 | 4 Bed House26, Chyngton Way, Seaford, BN25 4JB26, Chyngton Way, Seaford, BN25 4JB
• Sold Jun 2021£1,100 | 4 Bed House23, Chyngton Way, Seaford, BN25 4JB23, Chyngton Way, Seaford, BN25 4JB
• Sold May 2021£589,000 | 4 Bed House6, Lullington Close, Seaford, BN25 4JH6, Lullington Close, Seaford, BN25 4JH
• Sold Jan 2021£422,500 | 4 Bed House70, Cuckmere Road, Seaford, BN25 4DJ70, Cuckmere Road, Seaford, BN25 4DJ
• Sold Jan 2021£420,000 | 4 Bed House2, Lindfield Avenue, Seaford, BN25 4DY2, Lindfield Avenue, Seaford, BN25 4DY
• Sold Dec 2018£490,000 | 4 Bed House15, Rodmell Road, Seaford, BN25 4EE15, Rodmell Road, Seaford, BN25 4EE
• Sold Nov 2018£474,700 | 4 Bed House59, Chyngton Way, Seaford, BN25 4JE59, Chyngton Way, Seaford, BN25 4JE
• Sold Feb 2018£480,000 | 4 Bed House16, Fairways Road, Seaford, BN25 4EN16, Fairways Road, Seaford, BN25 4EN
• Sold Jan 2018£392,500 | 4 Bed House1, South Way, Seaford, BN25 4JG1, South Way, Seaford, BN25 4JG
• Sold Nov 2015£430,000 | 4 Bed House47, Chyngton Way, Seaford, BN25 4JD47, Chyngton Way, Seaford, BN25 4JD
• Sold Jul 2013£395,000 | 4 Bed HouseFoxhollow, Chyngton Lane, Seaford, BN25 4BTFoxhollow, Chyngton Lane, Seaford, BN25 4BT

Our analysis of the public data ranks 1, Mark Close, Seaford as the 4th largest and the 3rd most expensive of the 6 addresses on Mark Close, Seaford, BN25.

Against the BN25 postcode district average, it is £206k more expensive than the typical property.

• Annecy Catholic Primary School

  1.2 km away
• Chyngton School

  1.3 km away
• Cradle Hill Community Primary School

  2.1 km away

• Seaford Head School

  900 m away
• Seahaven Academy

  6.6 km away
• Willingdon Community School

  9.1 km away

• Seaford (Sussex)

  |

  2.2 km away
• Bishopstone (Sussex)

  |

  3.6 km away
• Newhaven Harbour

  |

  5.8 km away

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