According to data from HM Land Registry, 11, Mardon Close, Southampton sits on a plot of 461 m².

We have plot size data on 11 out of 11 other houses in the postcode and 11, Mardon Close, Southampton sits on the 8th largest plot.

11, Mardon Close, Southampton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 Sep 2025.

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

According to the Land Registry and our network of Estate Agents, there have been 70 sales of properties similar to 11, Mardon Close, Southampton within a radius of 730 metres since 2014.

The most recent example is 18, Claudeen Close, Southampton, SO18 2HQ, a freehold house which sold for £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 Feb 2026£352,500 | 3 Bed House1, Mardon Close, Southampton, SO18 2HP1, Mardon Close, Southampton, SO18 2HP
• Sold Feb 2026£327,500 | 3 Bed House66, Greenlea Crescent, Southampton, SO16 2PG66, Greenlea Crescent, Southampton, SO16 2PG
• Sold Jul 2025£280,500 | 3 Bed House12, Channels Farm Road, Southampton, SO16 2PE12, Channels Farm Road, Southampton, SO16 2PE
• Sold Jun 2025£324,000 | 3 Bed House14, Bassett Green Road, Southampton, SO16 3DH14, Bassett Green Road, Southampton, SO16 3DH
• 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 Sep 2024£250,000 | 3 Bed House9, Claudeen Close, Southampton, SO18 2HQ9, Claudeen Close, Southampton, SO18 2HQ
• Sold May 2024£240,000 | 3 Bed House12, Claudeen Close, Southampton, SO18 2HQ12, Claudeen Close, Southampton, SO18 2HQ
• Sold Oct 2023£240,000 | 3 Bed House16, Claudeen Close, Southampton, SO18 2HQ16, Claudeen Close, Southampton, SO18 2HQ
• Sold Jul 2023£275,000 | 3 Bed House12A, Channels Farm Road, Southampton, SO16 2PE12A, Channels Farm Road, Southampton, SO16 2PE
• Sold Nov 2021£320,000 | 3 Bed House49, Greenlea Crescent, Southampton, SO16 2PG49, Greenlea Crescent, Southampton, SO16 2PG
• Sold Sep 2021£215,000 | 3 Bed House2, Walnut Avenue, Southampton, SO18 2HS2, Walnut Avenue, Southampton, SO18 2HS
• Sold Sep 2021£255,000 | 3 Bed House5, Claudeen Close, Southampton, SO18 2HQ5, Claudeen Close, Southampton, SO18 2HQ
• Sold Jun 2021£257,000 | 3 Bed House10, Mardon Close, Southampton, SO18 2HP10, Mardon Close, Southampton, SO18 2HP
• Sold Feb 2021£311,000 | 1 Bed House27, Wide Lane, Southampton, SO18 2HN27, Wide Lane, Southampton, SO18 2HN
• Sold Feb 2018£223,000 | 3 Bed House13, Claudeen Close, Southampton, SO18 2HQ13, Claudeen Close, Southampton, SO18 2HQ
• Sold Dec 2016£256,000 | 3 Bed House9, Mardon Close, Southampton, SO18 2HP9, Mardon Close, Southampton, SO18 2HP
• Sold Sep 2014£200,000 | 3 Bed House7, Claudeen Close, Southampton, SO18 2HQ7, Claudeen Close, Southampton, SO18 2HQ

Mardon Close, Southampton, SO18 has a total of 11 addresses. According to our analysis of all the public data, 11, Mardon Close, Southampton is the 6th largest and the 8th most expensive property on the street.

When compared to the postcode district it is £28k more expensive than the average property in SO18.

• Mansbridge Primary School

  500 m away
• Bassett Green Primary School

  1.3 km away
• Swaythling Primary School

  1.4 km away

• Saint George Catholic Voluntary Aided College Southampton

  700 m away
• Bitterne Park School

  1.5 km away
• Cantell School

  1.8 km away

• Swaythling

  |

  300 m away
• Southampton Airport Parkway

  |

  1.1 km away
• St Denys

  |

  2.6 km away

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