3A, Castle Square, Brighton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Mar 2020.

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

Since 2016 50 properties similar to 3A, Castle Square, Brighton have sold within a radius of 380 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 16th April 2026, was Flat 7, 23-24 , Old Steine, Brighton, BN1 1EL, a leasehold flat which sold for £333,500.

Read more about house prices in BN1.

• Sold Apr 2026£333,500 | 2 Bed FlatFlat 7, 23-24 , Old Steine, Brighton, BN1 1ELFlat 7, 23-24 , Old Steine, Brighton, BN1 1EL
• Sold Mar 2026£287,000 | 2 Bed FlatFlat 9, Royal View 80, Grand Parade, Brighton, BN2 9JAFlat 9, Royal View 80, Grand Parade, Brighton, BN2 9JA
• Sold Jun 2025£300,000 | 2 Bed FlatFlat 23, Royal View 80, Grand Parade, Brighton, BN2 9JAFlat 23, Royal View 80, Grand Parade, Brighton, BN2 9JA
• Sold May 2025£250,000 | 2 Bed Flat6 Steyne Mansions , Steine Street, Brighton, BN2 1TE6 Steyne Mansions , Steine Street, Brighton, BN2 1TE
• Sold Oct 2024£400,000 | 2 Bed FlatFlat 3, 4, Castle Square, Brighton, BN1 1EGFlat 3, 4, Castle Square, Brighton, BN1 1EG
• Sold Jul 2024£385,000 | 2 Bed Flat10A, Dorset Gardens, Brighton, BN2 1RL10A, Dorset Gardens, Brighton, BN2 1RL
• Sold Nov 2022£350,000 | 2 Bed FlatFlat 1A, Clarendon Mansions 80, East Street, Brighton, BN1 1NFFlat 1A, Clarendon Mansions 80, East Street, Brighton, BN1 1NF
• Sold Sep 2022£259,400 | 2 Bed FlatFlat 1, 13, Manchester Street, Brighton, BN2 1TFFlat 1, 13, Manchester Street, Brighton, BN2 1TF
• Sold Mar 2022£410,000 | 2 Bed FlatFlat 1, 23-24, Old Steine, Brighton, BN1 1ELFlat 1, 23-24, Old Steine, Brighton, BN1 1EL
• Sold Jan 2022£1,000,000 | 2 Bed Flat5, New Road, Brighton, BN1 1UF5, New Road, Brighton, BN1 1UF
• Sold Apr 2021£240,000 | 2 Bed FlatFlat 3, 19, Old Steine, Brighton, BN1 1ELFlat 3, 19, Old Steine, Brighton, BN1 1EL
• Sold Jan 2020£270,000 | 2 Bed FlatFlat 2, 29, Old Steine, Brighton, BN1 1ELFlat 2, 29, Old Steine, Brighton, BN1 1EL
• Sold Apr 2018£460,000 | 2 Bed FlatFlat 4, 23-24 , Old Steine, Brighton, BN1 1ELFlat 4, 23-24 , Old Steine, Brighton, BN1 1EL
• Sold Apr 2018£625,000 | 2 Bed FlatFlat 2, 23-24 , Old Steine, Brighton, BN1 1ELFlat 2, 23-24 , Old Steine, Brighton, BN1 1EL
• Sold Apr 2018£410,000 | 2 Bed FlatFlat 3, 23-24 , Old Steine, Brighton, BN1 1ELFlat 3, 23-24 , Old Steine, Brighton, BN1 1EL
• Sold Apr 2018£380,000 | 2 Bed FlatFlat 11, 23-24 , Old Steine, Brighton, BN1 1ELFlat 11, 23-24 , Old Steine, Brighton, BN1 1EL
• Sold May 2016£321,500 | 2 Bed FlatFlat 3, 42A , Old Steine, Brighton, BN1 1NHFlat 3, 42A , Old Steine, Brighton, BN1 1NH
• Sold Mar 2016£300,000 | 2 Bed FlatFlat 5, 42A , Old Steine, Brighton, BN1 1NHFlat 5, 42A , Old Steine, Brighton, BN1 1NH
• Sold Mar 2016£325,000 | 2 Bed FlatFlat 4, 42A , Old Steine, Brighton, BN1 1NHFlat 4, 42A , Old Steine, Brighton, BN1 1NH
• Sold Mar 2016£318,000 | 2 Bed FlatFlat 8, 42A , Old Steine, Brighton, BN1 1NHFlat 8, 42A , Old Steine, Brighton, BN1 1NH

Of the 5 addresses on Castle Square, Brighton, BN1, 3A, Castle Square, Brighton comes out as the 2nd largest and the 2nd most expensive in our analysis of the public data.

It is also £102k less expensive than the average property across the BN1 district.

• Middle Street Primary School

  300 m away
• Carlton Hill Primary School

  600 m away
• St Paul's CofE Primary School

  700 m away

• Cardinal Newman Catholic School

  2.2 km away
• Dorothy Stringer School

  3.1 km away
• Varndean School

  3.2 km away

• Brighton

  |

  900 m away
• London Road (Brighton)

  |

  1.7 km away
• Hove

  |

  2.8 km away

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