Our Data Sources
123, Onslow Gardens, Wallington has no records in the Land Registry and a single entry in the EPC database dated January 2022.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 123, Onslow Gardens, Wallington, we estimate a market value of £731,038 and a rental value of £2,945 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £647,491 and £2,608 per month respectively.
Plot Size
HM Land Registry records the plot of land for 123, Onslow Gardens, Wallington as measuring 457 m2.
That makes it the largest plot in the postcode, where all 6 other houses have recorded plot data.
Energy Efficiency
123, Onslow Gardens, Wallington has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Jan 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2016 165 properties similar to 123, Onslow Gardens, Wallington have sold within a radius of 540 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 21st April 2026, was School House, Woodmansterne Lane, Wallington, SM6 0SU, a freehold house which sold for £725,000.
Read more about house prices in SM6.
- Sold Apr 2026£725,000 | 4 Bed HouseSchool House, Woodmansterne Lane, Wallington, SM6 0SUSchool House, Woodmansterne Lane, Wallington, SM6 0SU
- Sold Dec 2025£730,000 | 4 Bed House32, Marchmont Road, Wallington, SM6 9NU32, Marchmont Road, Wallington, SM6 9NU
- 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 Jun 2025£740,000 | 4 Bed House27, Hamilton Way, Wallington, SM6 9NJ27, Hamilton Way, Wallington, SM6 9NJ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £678,320, ranging from £330,752 to £860,463.
- 121A Onslow Gardens
3 Bed Flat | 16 m | Est. Value: £330,752
- 38 Marchmont Road
4 Bed House | 23 m | Est. Value: £704,285
- 44 Marchmont Road
4 Bed House | 30 m | Est. Value: £664,253
- 138 Onslow Gardens
5 Bed House | 35 m | Est. Value: £860,463
- 115 Onslow Gardens
4 Bed House | 36 m | Est. Value: £597,203
Location Comparison
Of the 184 addresses on Onslow Gardens, Wallington, SM6, 123, Onslow Gardens, Wallington comes out as the 69th largest and the 67th most expensive in our analysis of the public data.
It is also £261k more expensive than the average property across the SM6 district.
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Schools Nearby
- Foresters Primary School900 m away
- Bandon Hill Primary School900 m away
- Wood Field Primary School900 m away
- Wallington High School for Girls400 m away
- The John Fisher School1.1 km away
- Wilson's School1.5 km away
More reading links
Public Transport Nearby
- Wallington|1.1 km away
- Carshalton Beeches|1.8 km away
- Carshalton|2.4 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












