At a Glance
Average Property Price - SL3
£485,502
79
National percentile
Average Monthly Rent - SL
£1,633
87
National percentile
Average Net Household Income - SL3
£46,797
81
National percentile
Flat / Maisonette Yield - SL
4.5%
9
National percentile
10-Year Annualised Price Growth - SL3
3.0%
30
National percentile
10-Year Annualised Rent Growth - SL
4.0%
57
National percentile
Property Price & Volume Trends
The average property price in SL3 is £486,000, placing it among the most expensive areas nationally. However, annual price growth over the past decade has averaged just 3.0%, which is notably below the national pace of appreciation. Transaction activity has softened recently, with 333 sales in the latest full year compared to a 10-year average of 426, reflecting reduced momentum in the market.
Rent & Yield Trends
Average monthly rent in the broader SL postcode area is £1,633, among the highest nationally. Rental growth has averaged 4.0% annually over ten years, keeping pace with the broader market. The flat yield currently stands at 4.5%, a marked improvement on the 10-year average of 3.7%, signalling strengthening returns for landlords.
Income & Affordability Trends
Average household income of £47,000 sits well above the national average, reflecting the district's affluent character. However, affordability for buyers has weakened: the price-to-income ratio now stands at 10.6x, up from 10.0x in 2016, making purchase prices increasingly stretched relative to earnings. Rental affordability has also deteriorated slightly, with rent consuming 32.4% of household income compared to 31.4% a decade ago.
Resident Demographic Profile
SL3 has a notably larger share of children and working-age families than the national average, with 22.8% under 15 (versus 17.5% nationally) and 25.0% aged 35–49 (versus 18.7%). The population is considerably less likely to own their home outright (21.9% versus 33.7% nationally) and far more reliant on private rental housing (31.0% versus 21.7%), reflecting its appeal to younger households and commuters. The employment profile leans toward professional and managerial roles, with a notably weak presence of traditional trades workers (7.5% versus 10.5% nationally).