HM Land Registry records the plot of land for 21, Dukes Close, Seaford as measuring 607 m².

That makes it the 5th largest plot in the postcode, where all 27 other houses have recorded plot data.

21, Dukes Close, Seaford has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Jul 2018.

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 21, Dukes Close, Seaford completed on 22nd March 2019 at £280,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 8.4% over the period since March 2019.

• Sold Mar 2019£280,000

Since 2019 228 properties similar to 21, Dukes Close, Seaford have sold within a radius of 740 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 5th December 2025, was 8, Clementine Avenue, Seaford, BN25 2UU, a freehold house which sold for £385,000.

Read more about house prices in BN25.

• Sold Dec 2025£385,000 | 3 Bed House8, Clementine Avenue, Seaford, BN25 2UU8, Clementine Avenue, Seaford, BN25 2UU
• Sold Sep 2025£338,000 | 3 Bed House26, Dukes Close, Seaford, BN25 2TU26, Dukes Close, Seaford, BN25 2TU
• Sold Sep 2025£337,500 | 3 Bed House29, Dukes Close, Seaford, BN25 2TU29, Dukes Close, Seaford, BN25 2TU
• Sold Jul 2025£390,000 | 3 Bed House36, Surrey Road, Seaford, BN25 2NN36, Surrey Road, Seaford, BN25 2NN
• Sold Jun 2025£325,000 | 3 Bed House9, Bishops Close, Seaford, BN25 2NW9, Bishops Close, Seaford, BN25 2NW
• Sold Feb 2025£341,600 | 3 Bed House24, Dukes Close, Seaford, BN25 2TU24, Dukes Close, Seaford, BN25 2TU
• Sold Jan 2025£365,000 | 3 Bed House10, Surrey Close, Seaford, BN25 2NL10, Surrey Close, Seaford, BN25 2NL
• Sold Jan 2025£350,000 | 3 Bed House67, Princess Drive, Seaford, BN25 2TT67, Princess Drive, Seaford, BN25 2TT
• Sold Oct 2024£365,000 | 3 Bed House29, Clementine Avenue, Seaford, BN25 2UU29, Clementine Avenue, Seaford, BN25 2UU
• Sold Aug 2024£340,000 | 3 Bed House9, Dukes Close, Seaford, BN25 2TU9, Dukes Close, Seaford, BN25 2TU
• Sold Jul 2024£349,950 | 3 Bed House13, Surrey Close, Seaford, BN25 2NL13, Surrey Close, Seaford, BN25 2NL
• Sold Feb 2024£307,000 | 3 Bed House24, Hawth Crescent, Seaford, BN25 2RR24, Hawth Crescent, Seaford, BN25 2RR
• Sold Jan 2024£377,500 | 3 Bed House8, Churchill Road, Seaford, BN25 2UL8, Churchill Road, Seaford, BN25 2UL
• Sold Aug 2023£433,500 | 3 Bed House55, Princess Drive, Seaford, BN25 2TT55, Princess Drive, Seaford, BN25 2TT
• Sold Apr 2023£450,000 | 3 Bed House19, Bishops Close, Seaford, BN25 2NW19, Bishops Close, Seaford, BN25 2NW
• Sold Jan 2023£445,000 | 3 Bed House53, Princess Drive, Seaford, BN25 2TZ53, Princess Drive, Seaford, BN25 2TZ
• Sold Aug 2021£330,000 | 3 Bed House4, Clementine Avenue, Seaford, BN25 2UU4, Clementine Avenue, Seaford, BN25 2UU
• Sold Sep 2020£345,000 | 3 Bed House14, Princess Drive, Seaford, BN25 2TZ14, Princess Drive, Seaford, BN25 2TZ
• Sold Dec 2019£369,000 | 3 Bed House35, Tudor Close, Seaford, BN25 2LX35, Tudor Close, Seaford, BN25 2LX
• Sold Mar 2019£275,000 | 3 Bed House1, Clementine Avenue, Seaford, BN25 2UU1, Clementine Avenue, Seaford, BN25 2UU

Of the 27 addresses on Dukes Close, Seaford, BN25, 21, Dukes Close, Seaford comes out as the 10th largest and the 11th most expensive in our analysis of the public data.

It is also £39k less expensive than the average property across the BN25 district.

• Seaford Primary School

  900 m away
• Cradle Hill Community Primary School

  1.5 km away
• Annecy Catholic Primary School

  1.9 km away

• Seaford Head School

  2.1 km away
• Seahaven Academy

  3.7 km away
• Peacehaven Community School

  6.5 km away

• Bishopstone (Sussex)

  |

  700 m away
• Seaford (Sussex)

  |

  1.0 km away
• Newhaven Harbour

  |

  2.8 km away

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