Flat 9, Green Diamond, Brighton has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 02 Feb 2026.

The property is not connected to mains gas and has fully double glazed windows. It is heated using electric underfloor heating.

According to the Land Registry and our network of Estate Agents, there have been 495 property sales within 470 metres of Flat 9, Green Diamond, Brighton since 2007.

The most recent example is Flat 1, 6C , Bartholomews, Brighton, BN1 1HG, a leasehold flat which sold for £405,000 on the 24th November 2025.

Read more about house prices in BN1.

• Sold Nov 2025£405,000 | 3 Bed FlatFlat 1, 6C , Bartholomews, Brighton, BN1 1HGFlat 1, 6C , Bartholomews, Brighton, BN1 1HG
• Sold Nov 2023£950,000 | 2 Bed House49, Old Steine, Brighton, BN1 1NH49, Old Steine, Brighton, BN1 1NH
• Sold Nov 2022£150,000 | 1 Bed Flat24, Prince Albert Street, Brighton, BN1 1HF24, Prince Albert Street, Brighton, BN1 1HF
• Sold Nov 2022£1,245,000 | 4 Bed FlatPenthouse 41, Green Diamond, Bartholomew Square, Brighton, BN1 1JSPenthouse 41, Green Diamond, Bartholomew Square, Brighton, BN1 1JS
• Sold Apr 2022£490,000 | 3 Bed Flat3A, Pool Valley, Brighton, BN1 1NJ3A, Pool Valley, Brighton, BN1 1NJ
• Sold Oct 2021£2,800,000 | 2 Bed FlatFlat 1, 6D , Bartholomews, Brighton, BN1 1HGFlat 1, 6D , Bartholomews, Brighton, BN1 1HG
• Sold Jun 2021£305,000 | 2 Bed House1, Little East Street, Brighton, BN1 1HT1, Little East Street, Brighton, BN1 1HT
• Sold Apr 2021£285,000 | 1 Bed FlatFlat 7, 69-70 , East Street, Brighton, BN1 1HQFlat 7, 69-70 , East Street, Brighton, BN1 1HQ
• Sold Mar 2020£325,000 | 3 Bed House3, Pool Passage, Brighton, BN1 1NN3, Pool Passage, Brighton, BN1 1NN
• Sold Nov 2019£200,000 | 1 Bed FlatFlat 8, 69-70 , East Street, Brighton, BN1 1HQFlat 8, 69-70 , East Street, Brighton, BN1 1HQ
• Sold Sep 2019£10,000 | 3 Bed Flat11A, East Street, Brighton, BN1 1HP11A, East Street, Brighton, BN1 1HP
• Sold Jun 2018£300,000 | 2 Bed FlatFlat 5, 69-70 , East Street, Brighton, BN1 1HQFlat 5, 69-70 , East Street, Brighton, BN1 1HQ
• Sold Apr 2017£205,000 | 2 Bed FlatFlat 1, 68A , East Street, Brighton, BN1 1HQFlat 1, 68A , East Street, Brighton, BN1 1HQ
• Sold Oct 2016£352,000 | 5 Bed House11, Little East Street, Brighton, BN1 1HT11, Little East Street, Brighton, BN1 1HT
• Sold Jun 2016£350,000 | 1 Bed FlatFlat 33, Green Diamond, Bartholomew Square, Brighton, BN1 1JSFlat 33, Green Diamond, Bartholomew Square, Brighton, BN1 1JS
• Sold Mar 2016£250,000 | 3 Bed FlatFlat 40, Green Diamond, Bartholomew Square, Brighton, BN1 1JSFlat 40, Green Diamond, Bartholomew Square, Brighton, BN1 1JS
• Sold May 2010£234,000 | 2 Bed FlatFlat 2, 68A , East Street, Brighton, BN1 1HQFlat 2, 68A , East Street, Brighton, BN1 1HQ
• Sold Jan 2010£210,500 | 3 Bed House8, Pool Valley, Brighton, BN1 1NJ8, Pool Valley, Brighton, BN1 1NJ
• Sold Aug 2008£145,000 | 2 Bed House8, Bartholomews, Brighton, BN1 1HG8, Bartholomews, Brighton, BN1 1HG
• Sold Aug 2007£217,000 | 2 Bed FlatFlat 6, 69-70 , East Street, Brighton, BN1 1HQFlat 6, 69-70 , East Street, Brighton, BN1 1HQ

Bartholomew Square, Brighton, BN1 has a total of 41 addresses. According to our analysis of all the public data, Flat 9, Green Diamond, Brighton is the 37th largest and the 36th most expensive property on the street.

When compared to the postcode district it is £125k less expensive than the average property in BN1.

• Middle Street Primary School

  200 m away
• St Paul's CofE Primary School

  700 m away
• Carlton Hill Primary School

  700 m away

• Cardinal Newman Catholic School

  2.2 km away
• Dorothy Stringer School

  3.2 km away
• Varndean School

  3.3 km away

• Brighton

  |

  1.0 km away
• London Road (Brighton)

  |

  1.8 km away
• Hove

  |

  2.7 km away

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