At a Glance
Average Property Price - SM3
£538,568
84
National percentile
Average Monthly Rent - SM
£1,615
87
National percentile
Average Net Household Income - SM3
£55,298
95
National percentile
Flat / Maisonette Yield - SM
5.8%
64
National percentile
10-Year Annualised Price Growth - SM3
3.7%
54
National percentile
10-Year Annualised Rent Growth - SM
3.6%
39
National percentile
Property Price & Volume Trends
The latest average property price in SM3 is £539,000, placing it among the most expensive nationally. Over the past decade, prices have grown at 3.7% annually—roughly in line with the national average. Transaction activity has slowed recently, with 223 sales in the latest full year compared to a 10-year average of 278, suggesting a more measured market.
Rent & Yield Trends
Average monthly rent in the wider SM postcode area stands at £1,615, ranking among the highest nationally. Rental growth over ten years has averaged 3.6% per year, below the national pace. The flat yield has improved notably, rising from a 10-year average of 4.7% to 5.8% in the latest year, reflecting a favourable shift for buy-to-let investors.
Income & Affordability Trends
Average net household income is £55,298, placing the area among the highest earning parts of the UK. The price-to-income ratio now stands at 9.9x, a material rise from 8.5x in 2016, indicating that property has become noticeably less affordable relative to local earnings. Rental affordability has improved by contrast: the rent-to-income ratio has fallen from 34.3% to 30.4% over the same period.
Resident Demographic Profile
The area has a notably higher concentration of families with children aged 35–49 (22.5% versus 18.7% nationally) and of young children under 15 (20.2% versus 17.5%). Owner-occupation is strong, with 37.9% owning with a mortgage—well above the national average of 27.0%—and social rented housing is markedly scarce at 6.7% compared to 16.5% nationally. The workforce is skewed towards professional occupations (22.8% versus 20.5% nationally) and administrative roles (11.7% versus 9.0%), with notably fewer elementary workers (6.6% versus 10.2%).