6, Castle Bay, Folkestone has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Jun 2020.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

6, Castle Bay, Folkestone last changed hands on 4th June 2021, selling for £265,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has dropped by 8.4% since June 2021.

• Sold Jun 2021£265,000
• Sold May 2008£190,000

Land Registry records and our Estate Agent network show 22 sales of comparable properties within 1.1 kilometres of 6, Castle Bay, Folkestone since 2007.

Most recently, 43, Lower Corniche, Hythe, CT21 5TP, a leasehold flat, sold at £315,000 on the 13th November 2025.

Read more about house prices in CT20.

• Sold Nov 2025£315,000 | 2 Bed Flat43, Lower Corniche, Hythe, CT21 5TP43, Lower Corniche, Hythe, CT21 5TP
• Sold Feb 2025£285,000 | 2 Bed Flat33, Lower Corniche, Hythe, CT21 5TP33, Lower Corniche, Hythe, CT21 5TP
• Sold Feb 2025£296,000 | 2 Bed Flat7, Castle Bay, Folkestone, CT20 3DU7, Castle Bay, Folkestone, CT20 3DU
• Sold Feb 2024£60,000 | 2 Bed FlatSandgate Lodge, Wilberforce Road, Folkestone, CT20 3EDSandgate Lodge, Wilberforce Road, Folkestone, CT20 3ED
• Sold Sep 2023£280,000 | 2 Bed Flat3, Castle Bay, Folkestone, CT20 3DU3, Castle Bay, Folkestone, CT20 3DU
• Sold Sep 2023£355,000 | 2 Bed Flat4, Castle Bay, Folkestone, CT20 3DU4, Castle Bay, Folkestone, CT20 3DU
• Sold Sep 2021£237,500 | 2 Bed Flat11, Lower Corniche, Hythe, CT21 5TP11, Lower Corniche, Hythe, CT21 5TP
• Sold Apr 2021£245,000 | 2 Bed Flat7, Lower Corniche, Hythe, CT21 5TP7, Lower Corniche, Hythe, CT21 5TP
• Sold Dec 2020£280,000 | 2 Bed Flat9, Castle Bay, Folkestone, CT20 3DU9, Castle Bay, Folkestone, CT20 3DU
• Sold Dec 2020£232,500 | 2 Bed FlatFlat 2, Latchgate, Castle Bay, Folkestone, CT20 3DUFlat 2, Latchgate, Castle Bay, Folkestone, CT20 3DU
• Sold Sep 2020£330,000 | 2 Bed FlatFlat 3, Latchgate, Castle Bay, Folkestone, CT20 3DUFlat 3, Latchgate, Castle Bay, Folkestone, CT20 3DU
• Sold Jul 2019£325,000 | 2 Bed Flat23, Lower Corniche, Hythe, CT21 5TP23, Lower Corniche, Hythe, CT21 5TP
• Sold Jul 2019£230,000 | 3 Bed Flat32, Castle Bay, Folkestone, CT20 3DU32, Castle Bay, Folkestone, CT20 3DU
• Sold Dec 2017£200,000 | 2 Bed Flat29, Castle Bay, Folkestone, CT20 3DU29, Castle Bay, Folkestone, CT20 3DU
• Sold Sep 2015£155,000 | 2 Bed Flat23, Castle Bay, Folkestone, CT20 3DU23, Castle Bay, Folkestone, CT20 3DU
• Sold Dec 2014£175,000 | 2 Bed FlatFlat 3, 10, Wellington Terrace, Folkestone, CT20 3DYFlat 3, 10, Wellington Terrace, Folkestone, CT20 3DY
• Sold Nov 2014£172,500 | 2 Bed Flat5, Castle Bay, Folkestone, CT20 3DU5, Castle Bay, Folkestone, CT20 3DU
• Sold May 2013£170,000 | 2 Bed FlatFlat 43, Sir John Moore Court, Sandgate High Street, Folkestone, CT20 3RPFlat 43, Sir John Moore Court, Sandgate High Street, Folkestone, CT20 3RP
• Sold Jul 2010£185,000 | 2 Bed Flat2, Castle Bay, Folkestone, CT20 3DU2, Castle Bay, Folkestone, CT20 3DU
• Sold Oct 2007£164,000 | 2 Bed Flat8, Castle Bay, Folkestone, CT20 3DU8, Castle Bay, Folkestone, CT20 3DU

Our analysis of the public data ranks 6, Castle Bay, Folkestone as the 33rd largest and the 45th most expensive of the 50 addresses on Castle Bay, Sandgate, Folkestone, CT20.

Against the CT20 postcode district average, it is £16k less 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.