According to data from HM Land Registry, 9, Onslow Gardens, Wallington sits on a plot of 321 m².

We have plot size data on 14 out of 14 other houses in the postcode and 9, Onslow Gardens, Wallington sits on the 13th largest plot.

9, Onslow Gardens, Wallington has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Jul 2025.

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

According to HM Land Registry, 9, Onslow Gardens, Wallington was last sold on 14th July 1997 for £149,950 and was recorded as a freehold house.

The property has only had this single sale since 1995.

• Sold Jul 1997£149,950

According to the Land Registry and our network of Estate Agents, there have been 40 sales of properties similar to 9, Onslow Gardens, Wallington within a radius of 380 metres since 2015.

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£780,000 | 5 Bed House10, Stanley Gardens, Wallington, SM6 9QW10, Stanley Gardens, Wallington, SM6 9QW
• Sold Aug 2025£665,000 | 4 Bed House73, Onslow Gardens, Wallington, SM6 9QH73, Onslow Gardens, Wallington, SM6 9QH
• Sold Nov 2024£775,000 | 4 Bed House31, Blenheim Gardens, Wallington, SM6 9PJ31, Blenheim Gardens, Wallington, SM6 9PJ
• Sold Jun 2024£710,000 | 5 Bed House7, Stanley Gardens, Wallington, SM6 9QW7, Stanley Gardens, Wallington, SM6 9QW
• 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 Jun 2023£740,000 | 4 Bed House18, Onslow Gardens, Wallington, SM6 9QN18, Onslow Gardens, Wallington, SM6 9QN
• Sold Nov 2022£875,000 | 4 Bed House52, Onslow Gardens, Wallington, SM6 9QQ52, Onslow Gardens, Wallington, SM6 9QQ
• Sold Jan 2022£875,000 | 5 Bed House53, Onslow Gardens, Wallington, SM6 9QH53, Onslow Gardens, Wallington, SM6 9QH
• Sold Sep 2021£737,000 | 4 Bed House25, Onslow Gardens, Wallington, SM6 9QL25, Onslow Gardens, Wallington, SM6 9QL
• Sold Aug 2021£772,500 | 4 Bed House33, Onslow Gardens, Wallington, SM6 9QL33, Onslow Gardens, Wallington, SM6 9QL
• Sold Mar 2021£765,000 | 4 Bed House65, Onslow Gardens, Wallington, SM6 9QH65, Onslow Gardens, Wallington, SM6 9QH
• Sold Dec 2020£805,000 | 5 Bed House23, Onslow Gardens, Wallington, SM6 9QL23, Onslow Gardens, Wallington, SM6 9QL
• Sold Jan 2020£675,000 | 4 Bed House14, Blenheim Gardens, Wallington, SM6 9PH14, Blenheim Gardens, Wallington, SM6 9PH
• Sold Dec 2019£647,000 | 4 Bed House29, Blenheim Gardens, Wallington, SM6 9PJ29, Blenheim Gardens, Wallington, SM6 9PJ
• Sold Jul 2019£615,000 | 5 Bed House5, Stanley Gardens, Wallington, SM6 9QW5, Stanley Gardens, Wallington, SM6 9QW
• Sold Jun 2019£653,500 | 4 Bed House50, Blenheim Gardens, Wallington, SM6 9PP50, Blenheim Gardens, Wallington, SM6 9PP
• Sold Aug 2017£725,000 | 5 Bed House20, Onslow Gardens, Wallington, SM6 9QN20, Onslow Gardens, Wallington, SM6 9QN
• Sold May 2015£537,000 | 4 Bed House38, Blenheim Gardens, Wallington, SM6 9PP38, Blenheim Gardens, Wallington, SM6 9PP

Onslow Gardens, Wallington, SM6 has a total of 184 addresses. According to our analysis of all the public data, 9, Onslow Gardens, Wallington is the 22nd largest and the 14th most expensive property on the street.

When compared to the postcode district it is £392k 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.