17, Castle Bay, Folkestone occupies a 169 m² plot as recorded by HM Land Registry.

Of the 27 other houses in this postcode, 26 have recorded plot sizes, and this one ranks as the 21st largest.

17, Castle Bay, Folkestone has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Oct 2012.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

17, Castle Bay, Folkestone last changed hands on 28th July 2004, selling for £155,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Jul 2004£155,000

Land Registry records and our Estate Agent network show 117 sales of comparable properties within 1.1 kilometres of 17, Castle Bay, Folkestone since 2012.

Most recently, 19, Seabrook Court, Hythe, CT21 5RY, a freehold house, sold at £395,000 on the 12th December 2025.

Read more about house prices in CT20.

• Sold Dec 2025£395,000 | 3 Bed House19, Seabrook Court, Hythe, CT21 5RY19, Seabrook Court, Hythe, CT21 5RY
• Sold Nov 2025£310,000 | 3 Bed House75, Seabrook Court, Hythe, CT21 5RY75, Seabrook Court, Hythe, CT21 5RY
• Sold Apr 2025£420,000 | 3 Bed House16, Castle Bay, Folkestone, CT20 3DU16, Castle Bay, Folkestone, CT20 3DU
• Sold Nov 2024£535,000 | 3 Bed House125, Seabrook Road, Hythe, CT21 5RB125, Seabrook Road, Hythe, CT21 5RB
• Sold Jan 2024£425,000 | 3 Bed House49, Seabrook Court, Hythe, CT21 5RY49, Seabrook Court, Hythe, CT21 5RY
• Sold Feb 2022£362,000 | 3 Bed House3, Cromwell Park Place, Folkestone, CT20 3SB3, Cromwell Park Place, Folkestone, CT20 3SB
• Sold Jun 2021£395,000 | 3 Bed House23, Meadowbrook, Folkestone, CT20 3NY23, Meadowbrook, Folkestone, CT20 3NY
• Sold Mar 2021£295,000 | 3 Bed House1, Wellington Place, Folkestone, CT20 3DN1, Wellington Place, Folkestone, CT20 3DN
• Sold Mar 2021£373,000 | 3 Bed House33, Castle Bay, Folkestone, CT20 3DU33, Castle Bay, Folkestone, CT20 3DU
• Sold Jan 2021£290,000 | 3 Bed House69, Seabrook Court, Hythe, CT21 5RY69, Seabrook Court, Hythe, CT21 5RY
• Sold Jul 2018£299,000 | 3 Bed House71, Seabrook Court, Hythe, CT21 5RY71, Seabrook Court, Hythe, CT21 5RY
• Sold Feb 2017£218,000 | 3 Bed House18, Castle Bay, Folkestone, CT20 3DU18, Castle Bay, Folkestone, CT20 3DU
• Sold Mar 2016£237,500 | 3 Bed House34, Castle Bay, Folkestone, CT20 3DU34, Castle Bay, Folkestone, CT20 3DU
• Sold Mar 2016£270,000 | 3 Bed House41, Castle Bay, Folkestone, CT20 3DU41, Castle Bay, Folkestone, CT20 3DU
• Sold Jul 2015£215,000 | 3 Bed House2, Wellington Place, Folkestone, CT20 3DN2, Wellington Place, Folkestone, CT20 3DN
• Sold Feb 2015£269,000 | 3 Bed House14, Castle Bay, Folkestone, CT20 3DU14, Castle Bay, Folkestone, CT20 3DU
• Sold Feb 2014£205,000 | 3 Bed House35, Castle Bay, Folkestone, CT20 3DU35, Castle Bay, Folkestone, CT20 3DU
• Sold Nov 2013£274,000 | 3 Bed House13, Castle Bay, Folkestone, CT20 3DU13, Castle Bay, Folkestone, CT20 3DU
• Sold Nov 2013£203,000 | 3 Bed House3, Loxford Lodge, Folkestone, CT20 3SS3, Loxford Lodge, Folkestone, CT20 3SS
• Sold Jul 2012£156,500 | 3 Bed House19, Castle Bay, Folkestone, CT20 3DU19, Castle Bay, Folkestone, CT20 3DU

Our analysis of the public data ranks 17, Castle Bay, Folkestone as the 37th largest and the 21st most expensive of the 50 addresses on Castle Bay, Sandgate, Folkestone, CT20.

Against the CT20 postcode district average, it is £72k more expensive than the typical property.

• Seabrook Church of England Primary School

  800 m away
• Folkestone, St Martin's Church of England Primary School

  1.5 km away
• Sandgate Primary School

  1.6 km away

• The Folkestone School for Girls

  1.4 km away
• Turner Free School

  2.3 km away
• The Harvey Grammar School

  2.3 km away

• Folkestone West

  |

  2.0 km away
• Folkestone Central

  |

  2.9 km away
• Sandling

  |

  5.0 km away

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