According to data from HM Land Registry, 21, River Walk, Southampton sits on a plot of 465 m².

We have plot size data on 27 out of 27 other houses in the postcode and 21, River Walk, Southampton sits on the 5th largest plot.

21, River Walk, Southampton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Aug 2020.

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

According to the Land Registry and our network of Estate Agents, there have been 88 sales of properties similar to 21, River Walk, Southampton within a radius of 720 metres since 2007.

The most recent example is 24, Broadwater Road, Southampton, SO18 2EB, a freehold house which sold for £325,000 on the 19th December 2025.

Read more about house prices in SO18.

• Sold Dec 2025£325,000 | 4 Bed House24, Broadwater Road, Southampton, SO18 2EB24, Broadwater Road, Southampton, SO18 2EB
• Sold Dec 2025£369,000 | 3 Bed House105, Woodmill Lane, Southampton, SO18 2PE105, Woodmill Lane, Southampton, SO18 2PE
• Sold Aug 2025£425,000 | 3 Bed House34, Copsewood Road, Southampton, SO18 1QU34, Copsewood Road, Southampton, SO18 1QU
• Sold Jan 2025£390,000 | 3 Bed House167, Dimond Road, Southampton, SO18 1PD167, Dimond Road, Southampton, SO18 1PD
• Sold Nov 2024£355,000 | 3 Bed House21, Halstead Road, Southampton, SO18 2PQ21, Halstead Road, Southampton, SO18 2PQ
• Sold Mar 2024£405,000 | 3 Bed House8, Wilmington Close, Southampton, SO18 2RD8, Wilmington Close, Southampton, SO18 2RD
• Sold Feb 2024£267,000 | 3 Bed House116, Woodmill Lane, Southampton, SO18 2PF116, Woodmill Lane, Southampton, SO18 2PF
• Sold Nov 2020£310,000 | 4 Bed House52, Northfield Road, Southampton, SO18 2QF52, Northfield Road, Southampton, SO18 2QF
• Sold Jul 2019£320,000 | 3 Bed House13, Beverley Heights, Southampton, SO18 2DZ13, Beverley Heights, Southampton, SO18 2DZ
• Sold Dec 2018£265,000 | 4 Bed House26, Broadwater Road, Southampton, SO18 2EB26, Broadwater Road, Southampton, SO18 2EB
• Sold Aug 2018£275,000 | 4 Bed House16, Wilmington Close, Southampton, SO18 2RD16, Wilmington Close, Southampton, SO18 2RD
• Sold Mar 2018£266,000 | 4 Bed House30, Broadwater Road, Southampton, SO18 2EB30, Broadwater Road, Southampton, SO18 2EB
• Sold Feb 2018£318,000 | 3 Bed House3, Wilmington Close, Southampton, SO18 2RD3, Wilmington Close, Southampton, SO18 2RD
• Sold Oct 2017£280,000 | 3 Bed House12, River Walk, Southampton, SO18 2DP12, River Walk, Southampton, SO18 2DP
• Sold Apr 2017£325,000 | 4 Bed House2, Wilmington Close, Southampton, SO18 2RD2, Wilmington Close, Southampton, SO18 2RD
• Sold Mar 2017£295,000 | 3 Bed House15, River Walk, Southampton, SO18 2DP15, River Walk, Southampton, SO18 2DP
• Sold Feb 2017£260,000 | 3 Bed House14, River Walk, Southampton, SO18 2DP14, River Walk, Southampton, SO18 2DP
• Sold Jul 2014£190,000 | 3 Bed House27, River Walk, Southampton, SO18 2DP27, River Walk, Southampton, SO18 2DP
• Sold Aug 2013£211,000 | 3 Bed House8, River Walk, Southampton, SO18 2DP8, River Walk, Southampton, SO18 2DP
• Sold Dec 2007£250,000 | 3 Bed House1, River Walk, Southampton, SO18 2DP1, River Walk, Southampton, SO18 2DP

River Walk, Southampton, SO18 has a total of 27 addresses. According to our analysis of all the public data, 21, River Walk, Southampton is the 16th largest and the 14th most expensive property on the street.

When compared to the postcode district it is £120k more expensive than the average property in SO18.

• Mansbridge Primary School

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

  800 m away
• Townhill Junior School

  900 m away

• Bitterne Park School

  500 m away
• Saint George Catholic Voluntary Aided College Southampton

  1.6 km away
• Cantell School

  2.3 km away

• Swaythling

  |

  900 m away
• Southampton Airport Parkway

  |

  1.9 km away
• Bitterne

  |

  1.9 km away

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