HM Land Registry records the plot of land for 20, Cosdach Avenue, Wallington as measuring 427 m².

That makes it the 11th largest plot in the postcode, where all 16 other houses have recorded plot data.

20, Cosdach Avenue, Wallington has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Jan 2022.

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

Since 2014 129 properties similar to 20, Cosdach Avenue, Wallington have sold within a radius of 480 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 12th June 2026, was 50, Cowper Gardens, Wallington, SM6 9RL, a freehold house which sold for £595,000.

Read more about house prices in SM6.

• Sold Jun 2026£595,000 | 4 Bed House50, Cowper Gardens, Wallington, SM6 9RL50, Cowper Gardens, Wallington, SM6 9RL
• Sold Dec 2025£775,000 | 4 Bed House22, Foresters Close, Wallington, SM6 9DH22, Foresters Close, Wallington, SM6 9DH
• Sold Sep 2025£700,000 | 4 Bed House40, Wordsworth Road, Wallington, SM6 9RH40, Wordsworth Road, Wallington, SM6 9RH
• Sold Feb 2024£680,000 | 4 Bed House64, Lavender Vale, Wallington, SM6 9QT64, Lavender Vale, Wallington, SM6 9QT
• Sold Nov 2022£560,000 | 4 Bed House19, Cowper Gardens, Wallington, SM6 9RN19, Cowper Gardens, Wallington, SM6 9RN
• Sold Oct 2022£400,000 | 4 Bed House74, Lavender Vale, Wallington, SM6 9QT74, Lavender Vale, Wallington, SM6 9QT
• Sold Aug 2022£677,000 | 4 Bed House72, Lavender Vale, Wallington, SM6 9QT72, Lavender Vale, Wallington, SM6 9QT
• Sold Apr 2022£637,000 | 4 Bed House29, Milton Road, Wallington, SM6 9RP29, Milton Road, Wallington, SM6 9RP
• Sold Apr 2022£571,000 | 4 Bed House42, Milton Road, Wallington, SM6 9RW42, Milton Road, Wallington, SM6 9RW
• Sold Sep 2021£580,000 | 4 Bed House72, Cowper Gardens, Wallington, SM6 9RL72, Cowper Gardens, Wallington, SM6 9RL
• Sold Sep 2021£635,000 | 4 Bed House14, Cosdach Avenue, Wallington, SM6 9RA14, Cosdach Avenue, Wallington, SM6 9RA
• Sold Sep 2021£650,000 | 4 Bed House2A, Foresters Drive, Wallington, SM6 9DG2A, Foresters Drive, Wallington, SM6 9DG
• Sold Jul 2021£711,000 | 4 Bed House9, Waterer Rise, Wallington, SM6 9DN9, Waterer Rise, Wallington, SM6 9DN
• Sold Jun 2021£780,000 | 4 Bed House47, Sandy Lane South, Wallington, SM6 9RF47, Sandy Lane South, Wallington, SM6 9RF
• Sold Jun 2021£470,000 | 4 Bed House4, Milton Road, Wallington, SM6 9RW4, Milton Road, Wallington, SM6 9RW
• Sold Mar 2021£525,000 | 4 Bed House74, Wordsworth Road, Wallington, SM6 9RH74, Wordsworth Road, Wallington, SM6 9RH
• Sold Nov 2020£592,501 | 4 Bed House8, Foresters Drive, Wallington, SM6 9DG8, Foresters Drive, Wallington, SM6 9DG
• Sold May 2019£590,000 | 4 Bed House26, Foresters Close, Wallington, SM6 9DH26, Foresters Close, Wallington, SM6 9DH
• Sold Dec 2018£492,000 | 4 Bed House36, Cowper Gardens, Wallington, SM6 9RL36, Cowper Gardens, Wallington, SM6 9RL
• Sold Jul 2014£249,999 | 4 Bed House13, Cowper Gardens, Wallington, SM6 9RN13, Cowper Gardens, Wallington, SM6 9RN

Of the 16 addresses on Cosdach Avenue, Wallington, SM6, 20, Cosdach Avenue, Wallington comes out as the 10th largest and the 9th most expensive in our analysis of the public data.

It is also £247k more expensive than the average property across the SM6 district.

• Bandon Hill Primary School

  300 m away
• Foresters Primary School

  400 m away
• Wallington Primary Academy

  800 m away

• Wilson's School

  900 m away
• Wallington High School for Girls

  1.0 km away
• The John Fisher School

  1.2 km away

• Wallington

  |

  900 m away
• Carshalton Beeches

  |

  2.0 km away
• Waddon

  |

  2.1 km away

The flood risk here is rated Very Low, based on Environment Agency data.