According to data from HM Land Registry, 31A, Onslow Gardens, Wallington sits on a plot of 276 m².

We have plot size data on 14 out of 14 other houses in the postcode and 31A, Onslow Gardens, Wallington sits on the 16th largest plot.

31A, Onslow Gardens, Wallington has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 26 Jan 2023.

The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and underfloor heating (lpg).

According to the Land Registry and our network of Estate Agents, there have been 42 sales of properties similar to 31A, Onslow Gardens, Wallington within a radius of 390 metres since 2014.

The most recent example is 12, Cranley Gardens, Wallington, SM6 9PR, a freehold house which sold for £810,000 on the 12th February 2026.

Read more about house prices in SM6.

• Sold Feb 2026£810,000 | 5 Bed House12, Cranley Gardens, Wallington, SM6 9PR12, Cranley Gardens, Wallington, SM6 9PR
• Sold Oct 2025£745,000 | 5 Bed House81, Onslow Gardens, Wallington, SM6 9PX81, Onslow Gardens, Wallington, SM6 9PX
• Sold Aug 2025£900,000 | 5 Bed House2, Hillside Gardens, Wallington, SM6 9NY2, Hillside Gardens, Wallington, SM6 9NY
• Sold Feb 2025£700,000 | 5 Bed House16, Onslow Gardens, Wallington, SM6 9QN16, Onslow Gardens, Wallington, SM6 9QN
• Sold Jun 2024£910,000 | 5 Bed House5A, Heathdene Road, Wallington, SM6 0TD5A, Heathdene Road, Wallington, SM6 0TD
• Sold May 2024£755,000 | 5 Bed House9, Stanley Gardens, Wallington, SM6 9QW9, Stanley Gardens, Wallington, SM6 9QW
• Sold Sep 2023£940,000 | 4 Bed House1, Grosvenor Gardens, Wallington, SM6 9QJ1, Grosvenor Gardens, Wallington, SM6 9QJ
• Sold Dec 2022£800,000 | 5 Bed House19, Heathdene Road, Wallington, SM6 0TD19, Heathdene Road, Wallington, SM6 0TD
• Sold Nov 2022£875,000 | 4 Bed House52, Onslow Gardens, Wallington, SM6 9QQ52, Onslow Gardens, Wallington, SM6 9QQ
• Sold Aug 2022£825,000 | 5 Bed House36, Blenheim Gardens, Wallington, SM6 9PP36, Blenheim Gardens, Wallington, SM6 9PP
• Sold Jan 2022£875,000 | 5 Bed House53, Onslow Gardens, Wallington, SM6 9QH53, Onslow Gardens, Wallington, SM6 9QH
• Sold Mar 2021£912,500 | 5 Bed House10, Hawthorn Road, Wallington, SM6 0SX10, Hawthorn Road, Wallington, SM6 0SX
• Sold Dec 2020£805,000 | 5 Bed House23, Onslow Gardens, Wallington, SM6 9QL23, Onslow Gardens, Wallington, SM6 9QL
• Sold Nov 2019£790,000 | 5 Bed House22, Onslow Gardens, Wallington, SM6 9QN22, Onslow Gardens, Wallington, SM6 9QN
• Sold Nov 2019£90,000 | 5 Bed House8A, Grosvenor Gardens, Wallington, SM6 9QJ8A, Grosvenor Gardens, Wallington, SM6 9QJ
• Sold Feb 2019£732,500 | 5 Bed House26, Hillside Gardens, Wallington, SM6 9NY26, Hillside Gardens, Wallington, SM6 9NY
• Sold Jan 2019£627,000 | 5 Bed House14, Marchmont Road, Wallington, SM6 9NU14, Marchmont Road, Wallington, SM6 9NU
• Sold Aug 2017£725,000 | 5 Bed House20, Onslow Gardens, Wallington, SM6 9QN20, Onslow Gardens, Wallington, SM6 9QN
• Sold Nov 2014£413,000 | 5 Bed House42, Wordsworth Road, Wallington, SM6 9RH42, Wordsworth Road, Wallington, SM6 9RH
• Sold Feb 2014£499,950 | 4 Bed House61, Onslow Gardens, Wallington, SM6 9QH61, Onslow Gardens, Wallington, SM6 9QH

Onslow Gardens, Wallington, SM6 has a total of 184 addresses. According to our analysis of all the public data, 31A, Onslow Gardens, Wallington is the 10th largest and the 5th most expensive property on the street.

When compared to the postcode district it is £445k more expensive than the average property in SM6.

• Bandon Hill Primary School

  600 m away
• Wood Field Primary School

  700 m away
• Foresters Primary School

  800 m away

• Wallington High School for Girls

  1.0 km away
• Wilson's School

  1.3 km away
• Wallington County Grammar School

  1.4 km away

• Wallington

  |

  500 m away
• Carshalton Beeches

  |

  1.6 km away
• Carshalton

  |

  1.9 km away

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