78B, Onslow Gardens, Wallington has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 22 May 2026.

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

According to the Land Registry and our network of Estate Agents, there have been 131 sales of properties similar to 78B, Onslow Gardens, Wallington within a radius of 430 metres since 2016.

The most recent example is Flat 13, 89, Woodcote Road, Wallington, SM6 0PU, a leasehold flat which sold for £140,000 on the 23rd January 2026.

Read more about house prices in SM6.

• Sold Jan 2026£140,000 | 2 Bed FlatFlat 13, 89, Woodcote Road, Wallington, SM6 0PUFlat 13, 89, Woodcote Road, Wallington, SM6 0PU
• Sold Nov 2025£400,000 | 2 Bed Flat67B, Onslow Gardens, Wallington, SM6 9QH67B, Onslow Gardens, Wallington, SM6 9QH
• Sold Jul 2025£315,000 | 2 Bed FlatFlat 26, 91, Woodcote Road, Wallington, SM6 0PUFlat 26, 91, Woodcote Road, Wallington, SM6 0PU
• Sold Nov 2024£290,000 | 2 Bed Flat80, Onslow Gardens, Wallington, SM6 9QQ80, Onslow Gardens, Wallington, SM6 9QQ
• Sold Oct 2024£345,000 | 2 Bed Flat91, Onslow Gardens, Wallington, SM6 9PX91, Onslow Gardens, Wallington, SM6 9PX
• Sold Sep 2024£325,000 | 3 Bed FlatFlat 25, 91, Woodcote Road, Wallington, SM6 0PUFlat 25, 91, Woodcote Road, Wallington, SM6 0PU
• Sold Jun 2024£340,000 | 3 Bed Flat79A, Blenheim Gardens, Wallington, SM6 9PW79A, Blenheim Gardens, Wallington, SM6 9PW
• Sold Aug 2023£348,000 | 2 Bed Flat24, Marchmont Road, Wallington, SM6 9NU24, Marchmont Road, Wallington, SM6 9NU
• Sold Jun 2023£330,000 | 2 Bed Flat24A, Marchmont Road, Wallington, SM6 9NU24A, Marchmont Road, Wallington, SM6 9NU
• Sold Apr 2023£317,500 | 3 Bed FlatFlat 36, 91, Woodcote Road, Wallington, SM6 0PUFlat 36, 91, Woodcote Road, Wallington, SM6 0PU
• Sold Apr 2023£370,000 | 3 Bed FlatFlat C, 84, Onslow Gardens, Wallington, SM6 9QQFlat C, 84, Onslow Gardens, Wallington, SM6 9QQ
• Sold Dec 2022£330,000 | 3 Bed FlatFlat 28, 91, Woodcote Road, Wallington, SM6 0PUFlat 28, 91, Woodcote Road, Wallington, SM6 0PU
• Sold Sep 2022£405,000 | 3 Bed Flat10, Dinorben 79, Woodcote Road, Wallington, SM6 0PZ10, Dinorben 79, Woodcote Road, Wallington, SM6 0PZ
• Sold Mar 2021£368,000 | 3 Bed FlatFlat 3, 57, Blenheim Gardens, Wallington, SM6 9PWFlat 3, 57, Blenheim Gardens, Wallington, SM6 9PW
• Sold Jan 2021£340,000 | 2 Bed Flat15, Cranley Gardens, Wallington, SM6 9PR15, Cranley Gardens, Wallington, SM6 9PR
• Sold Nov 2020£322,000 | 2 Bed Flat97A, Onslow Gardens, Wallington, SM6 9PX97A, Onslow Gardens, Wallington, SM6 9PX
• Sold Jun 2020£285,000 | 2 Bed FlatFlat 1, Trinity Court 77A, Woodcote Road, Wallington, SM6 0QXFlat 1, Trinity Court 77A, Woodcote Road, Wallington, SM6 0QX
• Sold Jan 2018£315,000 | 3 Bed Flat7, Dinorben 79, Woodcote Road, Wallington, SM6 0PZ7, Dinorben 79, Woodcote Road, Wallington, SM6 0PZ
• Sold Jan 2017£318,000 | 3 Bed Flat81A, Blenheim Gardens, Wallington, SM6 9PW81A, Blenheim Gardens, Wallington, SM6 9PW
• Sold Oct 2016£380,000 | 3 Bed Flat79, Blenheim Gardens, Wallington, SM6 9PW79, Blenheim Gardens, Wallington, SM6 9PW

Onslow Gardens, Wallington, SM6 has a total of 184 addresses. According to our analysis of all the public data, 78B, Onslow Gardens, Wallington is the 118th largest and the 138th most expensive property on the street.

When compared to the postcode district it is £114k less expensive than the average property in SM6.

• Wood Field Primary School

  700 m away
• Bandon Hill Primary School

  700 m away
• Foresters Primary School

  800 m away

• Wallington High School for Girls

  700 m away
• The John Fisher School

  1.4 km away
• Wilson's School

  1.4 km away

• Wallington

  |

  700 m away
• Carshalton Beeches

  |

  1.6 km away
• Carshalton

  |

  2.1 km away

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