21, Dimond Hill, Southampton occupies a 232 m² plot as recorded by HM Land Registry.

Of the 12 other houses in this postcode, 11 have recorded plot sizes, and this one ranks as the 9th largest.

21, Dimond Hill, Southampton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Nov 2015.

The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).

21, Dimond Hill, Southampton last changed hands on 29th March 2016, selling for £218,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 17.4% since March 2016.

• Sold Mar 2016£218,000
• Sold Sep 2005£145,950
• Sold Aug 2001£93,000

Land Registry records and our Estate Agent network show 64 sales of comparable properties within 480 metres of 21, Dimond Hill, Southampton since 2018.

Most recently, 17, Dimond Hill, Southampton, SO18 1JF, a freehold house, sold at £330,000 on the 2nd December 2025.

Read more about house prices in SO18.

• Sold Dec 2025£330,000 | 3 Bed House17, Dimond Hill, Southampton, SO18 1JF17, Dimond Hill, Southampton, SO18 1JF
• Sold Sep 2025£283,500 | 3 Bed House216, Midanbury Lane, Southampton, SO18 4GU216, Midanbury Lane, Southampton, SO18 4GU
• Sold Aug 2025£307,000 | 3 Bed House174, Midanbury Lane, Southampton, SO18 4GX174, Midanbury Lane, Southampton, SO18 4GX
• Sold Jul 2025£272,500 | 3 Bed House3, Burnett Close, Southampton, SO18 1JD3, Burnett Close, Southampton, SO18 1JD
• Sold Mar 2025£306,000 | 3 Bed House206, Midanbury Lane, Southampton, SO18 4GU206, Midanbury Lane, Southampton, SO18 4GU
• Sold Nov 2024£320,000 | 3 Bed House51, Avon Road, Southampton, SO18 4FR51, Avon Road, Southampton, SO18 4FR
• Sold Sep 2024£227,500 | 3 Bed House19, Burnett Close, Southampton, SO18 1JD19, Burnett Close, Southampton, SO18 1JD
• Sold Jul 2024£267,000 | 3 Bed House180, Midanbury Lane, Southampton, SO18 4GX180, Midanbury Lane, Southampton, SO18 4GX
• Sold Nov 2023£262,000 | 3 Bed House13, Burnett Close, Southampton, SO18 1JD13, Burnett Close, Southampton, SO18 1JD
• Sold Dec 2021£297,000 | 2 Bed House44, Avon Road, Southampton, SO18 4FQ44, Avon Road, Southampton, SO18 4FQ
• Sold Nov 2021£260,000 | 3 Bed House46, Avon Road, Southampton, SO18 4FQ46, Avon Road, Southampton, SO18 4FQ
• Sold Jul 2021£300,000 | 3 Bed House178, Midanbury Lane, Southampton, SO18 4GX178, Midanbury Lane, Southampton, SO18 4GX
• Sold Jun 2021£270,000 | 3 Bed House10, Sandringham Road, Southampton, SO18 1JJ10, Sandringham Road, Southampton, SO18 1JJ
• Sold Mar 2021£316,500 | 3 Bed House23, Newton Road, Southampton, SO18 1NJ23, Newton Road, Southampton, SO18 1NJ
• Sold Jan 2021£220,000 | 3 Bed House16, Hillside Avenue, Southampton, SO18 1JY16, Hillside Avenue, Southampton, SO18 1JY
• Sold Jan 2021£265,000 | 3 Bed House70, Neva Road, Southampton, SO18 4FJ70, Neva Road, Southampton, SO18 4FJ
• Sold Oct 2019£310,000 | 3 Bed House20, Hillside Avenue, Southampton, SO18 1JY20, Hillside Avenue, Southampton, SO18 1JY
• Sold Mar 2019£240,000 | 3 Bed House28, Dimond Hill, Southampton, SO18 1JE28, Dimond Hill, Southampton, SO18 1JE
• Sold Aug 2018£240,000 | 3 Bed House3, Trent Road, Southampton, SO18 4PR3, Trent Road, Southampton, SO18 4PR
• Sold Jun 2018£257,500 | 3 Bed House28, Sandringham Road, Southampton, SO18 1JJ28, Sandringham Road, Southampton, SO18 1JJ

Our analysis of the public data ranks 21, Dimond Hill, Southampton as the 26th largest and the 26th most expensive of the 26 addresses on Dimond Hill, Southampton, SO18.

Against the SO18 postcode district average, it is £6k more expensive than the typical property.

• Bitterne Park Primary & Nursery School - Part of the Learning Federation Partnership of Schools

  700 m away
• Beechwood Junior School

  900 m away
• St Denys Primary School

  1.0 km away

• Bitterne Park School

  500 m away
• Oasis Academy Sholing

  2.3 km away
• Woodlands Community College

  2.3 km away

• Bitterne

  |

  900 m away
• St Denys

  |

  1.3 km away
• Swaythling

  |

  1.8 km away

Environment Agency data suggests this area has a Very Low risk of flooding.