HM Land Registry records the plot of land for 126, Onslow Gardens, Wallington as measuring 444 m².

That makes it the 7th largest plot in the postcode, where all 16 other houses have recorded plot data.

126, Onslow Gardens, Wallington has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 27 Apr 2017.

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

The most recent sale of 126, Onslow Gardens, Wallington completed on 31st May 2022 at £734,000 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 8.8% over the period since May 2022.

• Sold May 2022£734,000

Since 2014 140 properties similar to 126, Onslow Gardens, Wallington have sold within a radius of 490 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£760,000 | 4 Bed House55, Onslow Gardens, Wallington, SM6 9QH55, Onslow Gardens, Wallington, SM6 9QH
• Sold Aug 2025£665,000 | 4 Bed House73, Onslow Gardens, Wallington, SM6 9QH73, Onslow Gardens, Wallington, SM6 9QH
• 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 Mar 2023£815,000 | 5 Bed House109, Onslow Gardens, Wallington, SM6 9PX109, 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£801,000 | 4 Bed House116, Onslow Gardens, Wallington, SM6 9QG116, Onslow Gardens, Wallington, SM6 9QG
• Sold May 2022£735,000 | 4 Bed House8, Hillside Gardens, Wallington, SM6 9NY8, Hillside Gardens, Wallington, SM6 9NY
• 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 Sep 2019£580,000 | 4 Bed House71, Onslow Gardens, Wallington, SM6 9QH71, Onslow Gardens, Wallington, SM6 9QH
• 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
• Sold Sep 2014£460,000 | 4 Bed House46, Marchmont Road, Wallington, SM6 9NU46, Marchmont Road, Wallington, SM6 9NU

Of the 184 addresses on Onslow Gardens, Wallington, SM6, 126, Onslow Gardens, Wallington comes out as the 41st largest and the 45th most expensive in our analysis of the public data.

It is also £311k more expensive than the average property across the SM6 district.

• Wood Field Primary School

  800 m away
• Bandon Hill Primary School

  800 m away
• Foresters Primary School

  900 m away

• Wallington High School for Girls

  500 m away
• The John Fisher School

  1.2 km away
• Wilson's School

  1.5 km away

• Wallington

  |

  900 m away
• Carshalton Beeches

  |

  1.7 km away
• Carshalton

  |

  2.2 km away

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