21, Walnut Avenue, Southampton has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 25 Jul 2024.

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

Land Registry records and our Estate Agent network show 107 sales of comparable properties within 860 metres of 21, Walnut Avenue, Southampton since 2016.

Most recently, 18, Claudeen Close, Southampton, SO18 2HQ, a freehold house, sold at £260,000 on the 15th April 2026.

Read more about house prices in SO18.

• Sold Apr 2026£260,000 | 3 Bed House18, Claudeen Close, Southampton, SO18 2HQ18, Claudeen Close, Southampton, SO18 2HQ
• Sold Aug 2025£268,000 | 3 Bed House83, Monks Way, Southampton, SO18 2LR83, Monks Way, Southampton, SO18 2LR
• Sold Mar 2025£235,000 | 3 Bed House11, Claudeen Close, Southampton, SO18 2HQ11, Claudeen Close, Southampton, SO18 2HQ
• Sold Jan 2025£340,000 | 3 Bed House31, Claudeen Close, Southampton, SO18 2HQ31, Claudeen Close, Southampton, SO18 2HQ
• Sold Dec 2024£270,000 | 3 Bed House12, Pilgrim Place, Southampton, SO18 2LG12, Pilgrim Place, Southampton, SO18 2LG
• Sold Oct 2024£260,000 | 2 Bed House22, Pilgrim Place, Southampton, SO18 2LG22, Pilgrim Place, Southampton, SO18 2LG
• Sold Sep 2024£250,000 | 3 Bed House9, Claudeen Close, Southampton, SO18 2HQ9, Claudeen Close, Southampton, SO18 2HQ
• Sold Sep 2024£270,000 | 3 Bed House4, Claudeen Close, Southampton, SO18 2HQ4, Claudeen Close, Southampton, SO18 2HQ
• Sold May 2024£240,000 | 3 Bed House12, Claudeen Close, Southampton, SO18 2HQ12, Claudeen Close, Southampton, SO18 2HQ
• Sold Apr 2024£290,000 | 3 Bed House20, Walnut Avenue, Southampton, SO18 2HS20, Walnut Avenue, Southampton, SO18 2HS
• Sold Mar 2024£248,356 | 3 Bed House22, Capon Close, Southampton, SO18 2LH22, Capon Close, Southampton, SO18 2LH
• Sold Jul 2023£265,000 | 3 Bed House14, Monks Way, Southampton, SO18 2LP14, Monks Way, Southampton, SO18 2LP
• Sold Apr 2023£225,000 | 3 Bed House2, Pilgrim Place, Southampton, SO18 2LG2, Pilgrim Place, Southampton, SO18 2LG
• Sold Sep 2021£215,000 | 3 Bed House2, Walnut Avenue, Southampton, SO18 2HS2, Walnut Avenue, Southampton, SO18 2HS
• Sold Jul 2021£225,000 | 3 Bed House27, Pilgrim Place, Southampton, SO18 2LG27, Pilgrim Place, Southampton, SO18 2LG
• Sold Dec 2020£230,000 | 3 Bed House30, Pilgrim Place, Southampton, SO18 2LG30, Pilgrim Place, Southampton, SO18 2LG
• Sold Jan 2020£220,000 | 3 Bed House32, Pilgrim Place, Southampton, SO18 2LG32, Pilgrim Place, Southampton, SO18 2LG
• Sold Jun 2017£225,000 | 3 Bed House21, Capon Close, Southampton, SO18 2LH21, Capon Close, Southampton, SO18 2LH
• Sold Jan 2017£193,000 | 3 Bed House10, Walnut Avenue, Southampton, SO18 2HS10, Walnut Avenue, Southampton, SO18 2HS
• Sold Mar 2016£180,000 | 3 Bed House5, Capon Close, Southampton, SO18 2LH5, Capon Close, Southampton, SO18 2LH

Our analysis of the public data ranks 21, Walnut Avenue, Southampton as the 78th largest and the 61st most expensive of the 123 addresses on Walnut Avenue, Southampton, SO18.

Against the SO18 postcode district average, it is £21k less expensive than the typical property.

• Mansbridge Primary School

  300 m away
• Stoneham Park Primary Academy

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

  1.5 km away

• Saint George Catholic Voluntary Aided College Southampton

  1.0 km away
• Bitterne Park School

  1.4 km away
• Cantell School

  2.1 km away

• Swaythling

  |

  500 m away
• Southampton Airport Parkway

  |

  1.0 km away
• St Denys

  |

  2.6 km away

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