HM Land Registry records the plot of land for 18, Castle Street, Brighton as measuring 42 m².

That makes it the 14th largest plot in the postcode, where 20 of the 27 other houses have recorded plot data.

18, Castle Street, Brighton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Jun 2019.

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

The most recent sale of 18, Castle Street, Brighton completed on 25th November 2009 at £249,950 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 3 times.

Values of comparable properties have risen by 87.7% over the period since November 2009.

• Sold Nov 2009£249,950
• Sold Feb 2007£235,000
• Sold Nov 1998£90,000

Since 2009 19 properties similar to 18, Castle Street, Brighton have sold within a radius of 220 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 13th March 2026, was 4, Stone Street, Brighton, BN1 2HB, a freehold house which sold for £391,000.

Read more about house prices in BN1.

• Sold Mar 2026£391,000 | 3 Bed House4, Stone Street, Brighton, BN1 2HB4, Stone Street, Brighton, BN1 2HB
• Sold Dec 2024£401,000 | 3 Bed House7, Russell Mews, Brighton, BN1 2HZ7, Russell Mews, Brighton, BN1 2HZ
• Sold May 2023£410,000 | 2 Bed House13, Castle Street, Brighton, BN1 2HD13, Castle Street, Brighton, BN1 2HD
• Sold Apr 2022£425,000 | 3 Bed House38, Castle Street, Brighton, BN1 2HD38, Castle Street, Brighton, BN1 2HD
• Sold Mar 2022£400,000 | 3 Bed House11, Castle Street, Brighton, BN1 2HD11, Castle Street, Brighton, BN1 2HD
• Sold Dec 2021£400,000 | 3 Bed House13A, Castle Street, Brighton, BN1 2HD13A, Castle Street, Brighton, BN1 2HD
• Sold Aug 2021£445,000 | 3 Bed House27, Marlborough Street, Brighton, BN1 3EE27, Marlborough Street, Brighton, BN1 3EE
• Sold Mar 2021£385,000 | 2 Bed House8, Castle Street, Brighton, BN1 2HD8, Castle Street, Brighton, BN1 2HD
• Sold Jan 2021£505,000 | 3 Bed House16, Marlborough Street, Brighton, BN1 3EE16, Marlborough Street, Brighton, BN1 3EE
• Sold Jan 2020£260,000 | 3 Bed House11, Regency Mews, Brighton, BN1 2HF11, Regency Mews, Brighton, BN1 2HF
• Sold Jan 2020£385,000 | 3 Bed House37, Castle Street, Brighton, BN1 2HD37, Castle Street, Brighton, BN1 2HD
• Sold Dec 2019£385,000 | 3 Bed House13F, Castle Street, Brighton, BN1 2HD13F, Castle Street, Brighton, BN1 2HD
• Sold May 2019£360,000 | 3 Bed House13B, Castle Street, Brighton, BN1 2HD13B, Castle Street, Brighton, BN1 2HD
• Sold Feb 2017£548,700 | 3 Bed House45, Preston Street, Brighton, BN1 2HP45, Preston Street, Brighton, BN1 2HP
• Sold May 2016£340,000 | 3 Bed House2, Stone Street, Brighton, BN1 2HB2, Stone Street, Brighton, BN1 2HB
• Sold Mar 2016£380,000 | 3 Bed House9, Castle Street, Brighton, BN1 2HD9, Castle Street, Brighton, BN1 2HD
• Sold Jul 2012£300,000 | 3 Bed House1B, Regency Mews, Brighton, BN1 2HF1B, Regency Mews, Brighton, BN1 2HF
• Sold Oct 2010£290,000 | 3 Bed House1A, Regency Mews, Brighton, BN1 2HF1A, Regency Mews, Brighton, BN1 2HF
• Sold Mar 2009£175,000 | 3 Bed House10, Castle Street, Brighton, BN1 2HD10, Castle Street, Brighton, BN1 2HD

Over the past 2 years our Estate Agent network has recorded 1 let within 220 metres of 18, Castle Street, Brighton.

The latest, in May 2025, was Apartment 24, Mitre House 149, Western Road, Brighton, BN1 2AJ, a leasehold flat let by Syrous Fallahi - KW.

• 
  Let May 2025£ Undisclosed | 1 Bed FlatApartment 24, Mitre House 149, Western Road, Brighton, BN1 2AJApartment 24, Mitre House 149, Western Road, Brighton, BN1 2AJ

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Of the 76 addresses on Castle Street, Brighton, BN1, 18, Castle Street, Brighton comes out as the 24th largest and the 21st most expensive in our analysis of the public data.

It is also £27k less expensive than the average property across the BN1 district.

• St Mary Magdalen Catholic Primary School

  100 m away
• St Paul's CofE Primary School

  400 m away
• Middle Street Primary School

  600 m away

• Cardinal Newman Catholic School

  1.6 km away
• Hove Park School and Sixth Form Centre

  2.8 km away
• Dorothy Stringer School

  2.8 km away

• Brighton

  |

  800 m away
• London Road (Brighton)

  |

  1.7 km away
• Hove

  |

  1.9 km away

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