SM1 Area Guide | £486k Median Price | Sipuha
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SM1

DISTRICT
Avg IMD
Low deprivation
Population
47,931
Households
19,167
19,167
Households
White Brit. · 53%
Ethnicity
Christian · 46%
Religion
Low deprivation
Avg IMD
£486,469
Median property price
843
Postcodes
19,167
Households
White Brit. · 53%
Ethnicity
Christian · 46%
Religion
Low deprivation
Avg IMD
£486,469
Median property price
843
Postcodes

Sold prices in SM1

England & Wales
Property sales · SM1
HM Land Registry · SM1
Average price
£444,122
YoY: +0.6%
Median price: £477,329
View district SM1
Property type filter
Recent sale price trend
Aug '24 – Jul '26Jul '26: 8 sales · avg £456,250
X axis: MonthY axis: Avg sold price (hover shows sales count)
£508k£445k£381k
Aug '24Feb '25Aug '25Feb '26Jul '26
Contains HM Land Registry data © Crown copyright and database right. This data is licensed under the Open Government Licence v3.0.

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Overview of SM1

Coordinates51.3671, -0.1928
Postcodes
843
Population (Census)
47,931
Households (Census)
19,167

Demographics in SM1

Ethnicity

Total residents: 47,955
White Brit.52.5%
Other White13.0%
Other Asian5.8%
Indian5.8%
African3.8%
+ 9 other groups · 19.2%

Religion

Total residents: 47,951
Christian46.0%
No religion31.7%
Muslim7.8%
Hindu6.5%
Not answered6.1%
+ 1 other religions · 2.0%

Age groups

Total residents: 47,931
35–4924.5%
50–6417.6%
25–3414.5%
10–157.8%
65–747.2%
+ 6 other age groups · 28.3%

Households

Total households: 19,167
Married or civil partnership couple: Dependent children20.7%
Other16.8%
Any member 66+11.2%
Married or civil partnership couple: No children8.9%
Lone parent family: With dependent children7.3%
+ 8 other households · 35.1%

Area Deprivation (Average IMD) for SM1

Area IMD profile
This area-level value is averaged from postcode IMD deciles within the area boundary.
Low deprivation
Mean decile 6.63 (1 = most deprived, 10 = least)
1 - Most deprived10 - Least deprived
Overall this area reads as Low deprivation on relative deprivation, with a mean IMD decile of 6.63 (average of postcode-level deciles in this boundary).