4, Castle Bay, Folkestone has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 01 Aug 2023.

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 HM Land Registry, 4, Castle Bay, Folkestone was last sold on 1st September 2023 for £355,000 and was recorded as a leasehold flat.

The property has had 6 sales since 1995.

Since September 2023, the market for similar properties has dropped by 16.2%.

• Sold Sep 2023£355,000
• Sold Jun 2016£232,000
• Sold Jan 2014£190,000

According to the Land Registry and our network of Estate Agents, there have been 22 sales of properties similar to 4, Castle Bay, Folkestone within a radius of 1.1 kilometres since 2007.

The most recent example is 43, Lower Corniche, Hythe, CT21 5TP, a leasehold flat which sold for £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 2021£237,500 | 2 Bed Flat11, Lower Corniche, Hythe, CT21 5TP11, Lower Corniche, Hythe, CT21 5TP
• Sold Jun 2021£265,000 | 2 Bed Flat6, Castle Bay, Folkestone, CT20 3DU6, Castle Bay, Folkestone, CT20 3DU
• 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 Aug 2020£250,000 | 2 Bed FlatFlat 3, Glen Cairn, Granville Parade, Folkestone, CT20 3ALFlat 3, Glen Cairn, Granville Parade, Folkestone, CT20 3AL
• 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 Mar 2015£145,000 | 2 Bed FlatFlat 31, Sir John Moore Court, Sandgate High Street, Folkestone, CT20 3RPFlat 31, Sir John Moore Court, Sandgate High Street, Folkestone, CT20 3RP
• 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

Castle Bay, Sandgate, Folkestone, CT20 has a total of 50 addresses. According to our analysis of all the public data, 4, Castle Bay, Folkestone is the 38th largest and the 46th most expensive property on the street.

When compared to the postcode district it is £20k less expensive than the average property in CT20.

• 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

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