CM21 Area Guide | £450k Median Price | Sipuha
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CM21

DISTRICT
Avg IMD
Among the least deprived
Population
11,826
Households
5,066
5,066
Households
White Brit. · 88%
Ethnicity
Christian · 49%
Religion
Among the least deprived
Avg IMD
£450,000
Median property price
319
Postcodes
5,066
Households
White Brit. · 88%
Ethnicity
Christian · 49%
Religion
Among the least deprived
Avg IMD
£450,000
Median property price
319
Postcodes

Sold prices in CM21

England & Wales
Property sales · CM21
HM Land Registry · CM21
Average price
£461,082
YoY: -8.5%
Median price: £473,417
View district CM21
Property type filter
Recent sale price trend
Aug '24 – Jul '26Jul '26: 8 sales · avg £475,687
X axis: MonthY axis: Avg sold price (hover shows sales count)
£803k£575k£348k
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.

School applications

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Apply for a primary place via CM21
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Overview of CM21

Coordinates51.8125, 0.1450
Postcodes
319
Population (Census)
11,826
Households (Census)
5,066

Demographics in CM21

Ethnicity

Total residents: 11,822
White Brit.88.3%
Other White4.5%
White Irish1.1%
+ other · 6.2%

Religion

Total residents: 11,815
Christian49.4%
No religion42.1%
Not answered5.6%
Muslim1.2%
+ other · 1.8%

Age groups

Total residents: 11,826
50–6420.9%
35–4920.3%
65–7411.6%
25–3410.7%
10–157.5%
+ 6 other age groups · 29.0%

Households

Total households: 5,066
Married or civil partnership couple: Dependent children17.3%
Other15.9%
Any member 66+13.4%
All members 66+12.4%
Married or civil partnership couple: No children10.8%
+ 7 other households · 30.2%

Area Deprivation (Average IMD) for CM21

Area IMD profile
This area-level value is averaged from postcode IMD deciles within the area boundary.
Among the least deprived
Mean decile 8.54 (1 = most deprived, 10 = least)
1 - Most deprived10 - Least deprived
Overall this area reads as Among the least deprived on relative deprivation, with a mean IMD decile of 8.54 (average of postcode-level deciles in this boundary).