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SM6 is a postcode district in the SM (Sutton) postcode area, covering 8.0 km². Prices, sales and comparisons below are for homes sold in the twelve months to July 2026, from HM Land Registry sales matched to their energy certificate.
In the twelve months to July 2026, homes sold in SM6 (Wallington) went for a median £5,183 per square metre, +0.7% on the previous twelve months and +2.3% on five years earlier. The median price paid was £405,000, across 359 sales (482 in the twelve months before).
That is 6.2% below the median for the SM postcode area (£5,523) and 18.6% below London as a whole (£6,364), ranking SM6 184th of 219 London postcode districts by price per square metre and 5th of 6 in SM. Closest in price across London: SE25 South Norwood (£5,188) and RM2 Gidea Park (£5,178).
46% of the homes sold were flats or maisonettes, the median home sold had 75 m² of floor space and 3% were new builds. Flats sold for a median £270,000 and houses for £557,500.
Of the 4 districts bordering SM6, 2 are dearer per square metre. The dearest is SM5 Carshalton at £5,809 and the cheapest CR0 Croydon and Addiscombe at £4,718.
| Median £/m² | 12-month change | |
|---|---|---|
| SM6 Wallington | £5,183 | +0.7% |
| Sutton (SM) | £5,523 | -0.5% |
| London | £6,364 | -2.9% |
Each point is the median price per square metre of the homes sold in the twelve months to that month. Months with fewer than 30 sales in SM6 are left blank.
| Period | 12 months to | Median £/m² | Change to latest |
|---|---|---|---|
| Latest | Jul 2026 | £5,183 | |
| One year earlier | Jul 2025 | £5,149 | +0.7% |
| Five years earlier | Jul 2021 | £5,067 | +2.3% |
| First in the series | Feb 1995 | £921 | +462.8% |
Land Registry sales in SM6 matched to the home's energy certificate, the sales every figure on this page is computed from.
SM6's Location Premium is -26.9%: in CityDataLab's factor model fitted to July 2026, an otherwise identical home (same size, type, age and energy rating) is priced 26.9% less per square metre in SM6 than in a district at the average London district price level.
The model measures a district's location by its median price per m² over the previous twelve months, in standard deviations across London's postcode districts. SM6 sits 0.90 standard deviations below the average district. The Location Premium is the part of a home's price per m² the model puts down to that location; the rest depends on the home itself and on the market as a whole. How each factor's Premium has moved · Price a home with the property calculator.
Districts that share a border with SM6, dearest first.
| District | Median £/m², 12 months | 12-month change | Median price paid | Sales, 12 months | Vs SM6 |
|---|---|---|---|---|---|
| SM5 Carshalton | £5,809 | +1.7% | £450,000 | 318 | +12.1% |
| CR4 Mitcham | £5,405 | +0.4% | £425,000 | 329 | +4.3% |
| CR8 Purley and Kenley | £5,055 | +0.4% | £465,000 | 379 | -2.5% |
| CR0 Croydon and Addiscombe | £4,718 | -0.5% | £377,500 | 1,353 | -9.0% |
Prices are HM Land Registry price paid data for homes sold in SM6, each matched by address to its MHCLG energy performance certificate for the floor area. Price per m² is the price paid divided by that floor area; medians are taken over the twelve months to the month shown, and districts, their postcode area and London are always compared over the same twelve months. Sales without a matched certificate, and non-residential and "other" sales, are not counted. Neighbouring districts are those sharing a border on the postcode district maps by Wikipedia contributors (CC BY-SA 3.0). See how CityDataLab's factor model works.