HM Land Registry records the plot of land for 109, Onslow Gardens, Wallington as measuring 540 m².

That makes it the largest plot in the postcode, where all 10 other houses have recorded plot data.

109, Onslow Gardens, Wallington has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 29 Jun 2022.

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

The most recent sale of 109, Onslow Gardens, Wallington completed on 31st March 2023 at £815,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have dropped by 4.7% over the period since March 2023.

• Sold Mar 2023£815,000

Since 2019 129 properties similar to 109, Onslow Gardens, Wallington have sold within a radius of 500 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 19th December 2025, was 32, Marchmont Road, Wallington, SM6 9NU, a freehold house which sold for £730,000.

Read more about house prices in SM6.

• Sold Dec 2025£730,000 | 4 Bed House32, Marchmont Road, Wallington, SM6 9NU32, Marchmont Road, Wallington, SM6 9NU
• Sold Oct 2025£780,000 | 5 Bed House10, Stanley Gardens, Wallington, SM6 9QW10, Stanley Gardens, Wallington, SM6 9QW
• Sold Oct 2025£745,000 | 5 Bed House81, Onslow Gardens, Wallington, SM6 9PX81, Onslow Gardens, Wallington, SM6 9PX
• Sold Aug 2025£815,000 | 4 Bed House112, Onslow Gardens, Wallington, SM6 9QG112, Onslow Gardens, Wallington, SM6 9QG
• Sold Aug 2025£665,000 | 4 Bed House73, Onslow Gardens, Wallington, SM6 9QH73, Onslow Gardens, Wallington, SM6 9QH
• Sold Jul 2025£717,500 | 5 Bed House89, Sandy Lane South, Wallington, SM6 9RF89, Sandy Lane South, Wallington, SM6 9RF
• Sold Aug 2024£770,000 | 4 Bed House124, Onslow Gardens, Wallington, SM6 9QG124, Onslow Gardens, Wallington, SM6 9QG
• Sold Jul 2024£655,000 | 5 Bed House3, Hillside Gardens, Wallington, SM6 9NX3, Hillside Gardens, Wallington, SM6 9NX
• Sold Mar 2024£827,000 | 4 Bed House107, Onslow Gardens, Wallington, SM6 9PX107, Onslow Gardens, Wallington, SM6 9PX
• Sold Nov 2022£800,000 | 4 Bed House29, Marchmont Road, Wallington, SM6 9NT29, Marchmont Road, Wallington, SM6 9NT
• Sold Oct 2022£827,000 | 4 Bed House89, Onslow Gardens, Wallington, SM6 9PX89, Onslow Gardens, Wallington, SM6 9PX
• Sold May 2022£734,000 | 4 Bed House126, Onslow Gardens, Wallington, SM6 9QG126, Onslow Gardens, Wallington, SM6 9QG
• Sold May 2022£801,000 | 4 Bed House116, Onslow Gardens, Wallington, SM6 9QG116, Onslow Gardens, Wallington, SM6 9QG
• Sold Jan 2022£875,000 | 5 Bed House53, Onslow Gardens, Wallington, SM6 9QH53, Onslow Gardens, Wallington, SM6 9QH
• Sold Mar 2021£765,000 | 4 Bed House65, Onslow Gardens, Wallington, SM6 9QH65, Onslow Gardens, Wallington, SM6 9QH
• Sold Mar 2021£560,000 | 5 Bed House59, Marchmont Road, Wallington, SM6 9NT59, Marchmont Road, Wallington, SM6 9NT
• Sold Dec 2020£1,900,000 | 5 Bed House107-109, Woodcote Road, Wallington, SM6 0QA107-109, Woodcote Road, Wallington, SM6 0QA
• Sold Nov 2020£645,000 | 5 Bed House43, Marchmont Road, Wallington, SM6 9NT43, Marchmont Road, Wallington, SM6 9NT
• Sold Jun 2019£670,000 | 4 Bed House11, Hillside Gardens, Wallington, SM6 9NX11, Hillside Gardens, Wallington, SM6 9NX
• Sold Jan 2019£627,000 | 5 Bed House14, Marchmont Road, Wallington, SM6 9NU14, Marchmont Road, Wallington, SM6 9NU

Of the 184 addresses on Onslow Gardens, Wallington, SM6, 109, Onslow Gardens, Wallington comes out as the 15th largest and the 29th most expensive in our analysis of the public data.

It is also £336k more expensive than the average property across the SM6 district.

• Bandon Hill Primary School

  800 m away
• Foresters Primary School

  800 m away
• Wood Field Primary School

  900 m away

• Wallington High School for Girls

  500 m away
• The John Fisher School

  1.2 km away
• Wilson's School

  1.4 km away

• Wallington

  |

  900 m away
• Carshalton Beeches

  |

  1.7 km away
• Carshalton

  |

  2.3 km away

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