According to data from HM Land Registry, 521, Seaside, Eastbourne sits on a plot of 329 m².

We have plot size data on 22 out of 23 other houses in the postcode and 521, Seaside, Eastbourne sits on the 18th largest plot.

521, Seaside, Eastbourne has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Feb 2019.

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 115 sales of properties similar to 521, Seaside, Eastbourne within a radius of 610 metres since 2008.

The most recent example is 5, Queens Road, Eastbourne, BN23 6JT, a freehold house which sold for £128,571 on the 29th May 2026.

Read more about house prices in BN23.

• Sold May 2026£128,571 | 4 Bed House5, Queens Road, Eastbourne, BN23 6JT5, Queens Road, Eastbourne, BN23 6JT
• Sold Dec 2025£210,000 | 4 Bed House7, Queens Road, Eastbourne, BN23 6JT7, Queens Road, Eastbourne, BN23 6JT
• Sold Oct 2025£237,500 | 4 Bed House76, Queens Crescent, Eastbourne, BN23 6JR76, Queens Crescent, Eastbourne, BN23 6JR
• Sold Jul 2025£325,000 | 4 Bed House22, St. Anthonys Avenue, Eastbourne, BN23 6LP22, St. Anthonys Avenue, Eastbourne, BN23 6LP
• Sold Jun 2025£340,000 | 4 Bed House511, Seaside, Eastbourne, BN23 6NA511, Seaside, Eastbourne, BN23 6NA
• Sold Aug 2024£385,000 | 4 Bed House27, Queens Crescent, Eastbourne, BN23 6JS27, Queens Crescent, Eastbourne, BN23 6JS
• Sold Mar 2024£337,500 | 4 Bed House30, Wallis Avenue, Eastbourne, BN23 6LR30, Wallis Avenue, Eastbourne, BN23 6LR
• Sold Mar 2024£360,000 | 4 Bed House81, Queens Crescent, Eastbourne, BN23 6JR81, Queens Crescent, Eastbourne, BN23 6JR
• Sold Jun 2023£327,000 | 4 Bed House515, Seaside, Eastbourne, BN23 6NA515, Seaside, Eastbourne, BN23 6NA
• Sold Mar 2023£355,000 | 4 Bed House28, St. Anthonys Avenue, Eastbourne, BN23 6LP28, St. Anthonys Avenue, Eastbourne, BN23 6LP
• Sold Dec 2022£375,000 | 4 Bed House535, Seaside, Eastbourne, BN23 6NA535, Seaside, Eastbourne, BN23 6NA
• Sold Jun 2022£305,000 | 4 Bed House119, Rotunda Road, Eastbourne, BN23 6LQ119, Rotunda Road, Eastbourne, BN23 6LQ
• Sold Mar 2022£345,000 | 4 Bed House553, Seaside, Eastbourne, BN23 6NA553, Seaside, Eastbourne, BN23 6NA
• Sold Jan 2021£246,500 | 4 Bed House101, Queens Crescent, Eastbourne, BN23 6JR101, Queens Crescent, Eastbourne, BN23 6JR
• Sold Dec 2019£290,000 | 4 Bed House533, Seaside, Eastbourne, BN23 6NA533, Seaside, Eastbourne, BN23 6NA
• Sold Jul 2019£295,000 | 4 Bed House531, Seaside, Eastbourne, BN23 6NA531, Seaside, Eastbourne, BN23 6NA
• Sold Jul 2019£287,500 | 4 Bed House32, Queens Road, Eastbourne, BN23 6JT32, Queens Road, Eastbourne, BN23 6JT
• Sold Jan 2015£230,000 | 4 Bed House523, Seaside, Eastbourne, BN23 6NA523, Seaside, Eastbourne, BN23 6NA
• Sold Nov 2014£240,000 | 4 Bed House551, Seaside, Eastbourne, BN23 6NA551, Seaside, Eastbourne, BN23 6NA
• Sold Apr 2008£245,000 | 4 Bed House543, Seaside, Eastbourne, BN23 6NA543, Seaside, Eastbourne, BN23 6NA

Seaside, Eastbourne, BN23 has a total of 145 addresses. According to our analysis of all the public data, 521, Seaside, Eastbourne is the 19th largest and the 20th most expensive property on the street.

When compared to the postcode district it is £46k more expensive than the average property in BN23.

• Tollgate Community Junior School

  200 m away
• St Andrew's Church of England Infants School

  500 m away
• The Haven Church of England Methodist Primary School

  900 m away

• St Catherine's College

  1.5 km away
• The Turing School

  2.6 km away
• The Eastbourne Academy

  3.2 km away

• Hampden Park (Sussex)

  |

  2.3 km away
• Eastbourne

  |

  2.7 km away
• Pevensey & Westham

  |

  3.4 km away

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