20, Alderney Close, Southampton occupies a 132 m² plot as recorded by HM Land Registry.

Of the 27 other houses in this postcode, 23 have recorded plot sizes, and this one ranks as the 9th largest.

20, Alderney Close, Southampton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Dec 2024.

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

20, Alderney Close, Southampton last changed hands on 23rd June 2010, selling for £134,000. 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 87.5% since June 2010.

• Sold Jun 2010£134,000
• Sold Oct 2003£109,500
• Sold Jan 1997£39,500

Land Registry records and our Estate Agent network show 135 sales of comparable properties within 530 metres of 20, Alderney Close, Southampton since 2018.

Most recently, 47, Alderney Close, Southampton, SO16 9QB, a freehold house, sold at £225,000 on the 5th February 2026.

Read more about house prices in SO16.

• Sold Feb 2026£225,000 | 3 Bed House47, Alderney Close, Southampton, SO16 9QB47, Alderney Close, Southampton, SO16 9QB
• Sold Jan 2026£250,000 | 3 Bed House59, Saturn Close, Southampton, SO16 8BE59, Saturn Close, Southampton, SO16 8BE
• Sold Sep 2025£181,500 | 3 Bed House104, Lower Brownhill Road, Southampton, SO16 9QL104, Lower Brownhill Road, Southampton, SO16 9QL
• Sold Jun 2025£247,000 | 3 Bed House12, Jupiter Close, Southampton, SO16 8BP12, Jupiter Close, Southampton, SO16 8BP
• Sold May 2025£190,000 | 3 Bed House38, Alderney Close, Southampton, SO16 9QB38, Alderney Close, Southampton, SO16 9QB
• Sold Mar 2025£230,000 | 3 Bed House32, Mercury Close, Southampton, SO16 8BH32, Mercury Close, Southampton, SO16 8BH
• Sold Mar 2025£235,000 | 3 Bed House28, St. Martins Close, Southampton, SO16 9QG28, St. Martins Close, Southampton, SO16 9QG
• Sold Nov 2024£234,500 | 3 Bed House82, Mercury Close, Southampton, SO16 8BJ82, Mercury Close, Southampton, SO16 8BJ
• Sold Aug 2024£230,000 | 3 Bed House79, Andromeda Road, Southampton, SO16 8BB79, Andromeda Road, Southampton, SO16 8BB
• Sold May 2024£233,000 | 3 Bed House50, St. Martins Close, Southampton, SO16 9QH50, St. Martins Close, Southampton, SO16 9QH
• Sold Sep 2023£256,000 | 3 Bed House24, Lower Brownhill Road, Southampton, SO16 9QJ24, Lower Brownhill Road, Southampton, SO16 9QJ
• Sold May 2023£225,000 | 3 Bed House40, Alderney Close, Southampton, SO16 9QB40, Alderney Close, Southampton, SO16 9QB
• Sold Oct 2022£225,000 | 3 Bed House41, St. Martins Close, Southampton, SO16 9QH41, St. Martins Close, Southampton, SO16 9QH
• Sold Jul 2022£232,000 | 3 Bed House20, Jupiter Close, Southampton, SO16 8BP20, Jupiter Close, Southampton, SO16 8BP
• Sold Jan 2022£220,000 | 3 Bed House21, St. Martins Close, Southampton, SO16 9QG21, St. Martins Close, Southampton, SO16 9QG
• Sold Nov 2021£220,000 | 3 Bed House61, St. Martins Close, Southampton, SO16 9QH61, St. Martins Close, Southampton, SO16 9QH
• Sold Dec 2020£195,000 | 3 Bed House15, Alderney Close, Southampton, SO16 9QA15, Alderney Close, Southampton, SO16 9QA
• Sold Oct 2020£183,500 | 3 Bed House43, Alderney Close, Southampton, SO16 9QB43, Alderney Close, Southampton, SO16 9QB
• Sold Jul 2019£173,000 | 3 Bed House39, Alderney Close, Southampton, SO16 9QB39, Alderney Close, Southampton, SO16 9QB
• Sold May 2018£140,000 | 3 Bed House41, Alderney Close, Southampton, SO16 9QB41, Alderney Close, Southampton, SO16 9QB

Our analysis of the public data ranks 20, Alderney Close, Southampton as the 23rd largest and the 23rd most expensive of the 53 addresses on Alderney Close, Southampton, SO16.

Against the SO16 postcode district average, it is £70k less expensive than the typical property.

• Fairisle Infant and Nursery School

  300 m away
• Fairisle Junior School

  300 m away
• Rownhams St John's Church of England Primary School

  1.0 km away

• Oasis Academy Lord's Hill

  400 m away
• Redbridge Community School

  1.9 km away
• Regents Park Community College

  2.0 km away

• Redbridge

  |

  2.2 km away
• Totton

  |

  2.9 km away
• Millbrook (Hants)

  |

  3.3 km away

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