HM Land Registry records the plot of land for 21, Sea Street, Whitstable as measuring 994 m².

That makes it the largest plot in the postcode, where 19 of the 27 other houses have recorded plot data.

21, Sea Street, Whitstable has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 04 Dec 2020.

The property is connected to mains gas and has high performance glazing. It is heated using a boiler& underfloor (mains gas).

The most recent sale of 21, Sea Street, Whitstable completed on 22nd January 2021 at £1,375,000 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 dropped by 4.1% over the period since January 2021.

• Sold Jan 2021£1,375,000

Since 2008 1042 properties have sold within 560 metres of 21, Sea Street, Whitstable, per the Land Registry and our network of Estate Agents.

The latest, on the 5th June 2025, was 4, Sea Street, Whitstable, CT5 1AN, a freehold house which sold for £430,000.

Read more about house prices in CT5.

• Sold Jun 2025£430,000 | 3 Bed House4, Sea Street, Whitstable, CT5 1AN4, Sea Street, Whitstable, CT5 1AN
• Sold Jun 2025£483,000 | 3 Bed House33, Sea Street, Whitstable, CT5 1AN33, Sea Street, Whitstable, CT5 1AN
• Sold Dec 2022£465,000 | 3 Bed Flat2 Stone House, Sea Wall, Whitstable, CT5 1BX2 Stone House, Sea Wall, Whitstable, CT5 1BX
• Sold Nov 2022£625,000 | 3 Bed House1 Sail House, Sea Street, Whitstable, CT5 1AN1 Sail House, Sea Street, Whitstable, CT5 1AN
• Sold Sep 2022£1,495,000 | 4 Bed House18, Sea Street, Whitstable, CT5 1AN18, Sea Street, Whitstable, CT5 1AN
• Sold Sep 2022£625,000 | 3 Bed House2 Sail House, Sea Street, Whitstable, CT5 1AN2 Sail House, Sea Street, Whitstable, CT5 1AN
• Sold Sep 2021£1,600,000 | 5 Bed HouseBeach Cottage, Sea Wall, Whitstable, CT5 1BXBeach Cottage, Sea Wall, Whitstable, CT5 1BX
• Sold Sep 2021£845,000 | 3 Bed House23, Sea Street, Whitstable, CT5 1AN23, Sea Street, Whitstable, CT5 1AN
• Sold Jul 2021£795,000 | 3 Bed House25, Sea Street, Whitstable, CT5 1AN25, Sea Street, Whitstable, CT5 1AN
• Sold Jul 2021£825,000 | 3 Bed House24, Sea Street, Whitstable, CT5 1AN24, Sea Street, Whitstable, CT5 1AN
• Sold Jun 2021£1,375,000 | 4 Bed House20, Sea Street, Whitstable, CT5 1AN20, Sea Street, Whitstable, CT5 1AN
• Sold Jun 2021£427,000 | 3 Bed House3, Brownings Yard, Whitstable, CT5 1FE3, Brownings Yard, Whitstable, CT5 1FE
• Sold Jun 2021£1,420,000 | 4 Bed House19, Sea Street, Whitstable, CT5 1AN19, Sea Street, Whitstable, CT5 1AN
• Sold Aug 2020£280,000 | 3 Bed House1, Sea Street, Whitstable, CT5 1AN1, Sea Street, Whitstable, CT5 1AN
• Sold Jul 2020£799,270 | 2 Bed HouseSeaview House, Sea Wall, Whitstable, CT5 1BXSeaview House, Sea Wall, Whitstable, CT5 1BX
• Sold Jul 2016£358,000 | 3 Bed House3, Sea Street, Whitstable, CT5 1AN3, Sea Street, Whitstable, CT5 1AN
• Sold Jul 2015£260,038 | 4 Bed House5, Sea Street, Whitstable, CT5 1AN5, Sea Street, Whitstable, CT5 1AN
• Sold Mar 2015£285,000 | 3 Bed House32, Sea Street, Whitstable, CT5 1AN32, Sea Street, Whitstable, CT5 1AN
• Sold Feb 2014£140,000 | 2 Bed Flat19A, Harbour Street, Whitstable, CT5 1AQ19A, Harbour Street, Whitstable, CT5 1AQ
• Sold May 2008£219,000 | 3 Bed House2, Leggetts Lane, Whitstable, CT5 1AW2, Leggetts Lane, Whitstable, CT5 1AW

Of the 44 addresses on Sea Street, Whitstable, CT5, 21, Sea Street, Whitstable comes out as the 2nd largest and the most expensive in our analysis of the public data.

It is also £937k more expensive than the average property across the CT5 district.

• Westmeads Community Infant School

  400 m away
• Whitstable and Seasalter Endowed Church of England Junior School

  400 m away
• St Alphege Church of England Infant School

  600 m away

• The Whitstable School

  1.5 km away
• Herne Bay High School

  6.1 km away
• The Archbishop's School

  8.2 km away

• Whitstable

  |

  700 m away
• Chestfield & Swalecliffe

  |

  3.0 km away
• Herne Bay

  |

  6.5 km away

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