Sydenham Area Report: £429k Median Price & Demographics | Sipuha
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Sydenham

EnglandLondonLewishamSydenham
WARD
Avg IMD
High deprivation
Population
18,060
Households
7,569
Crimes · May '26
67 · 3.7 per 1k
7,569
Households
White Brit. · 43%
Ethnicity
Christian · 44%
Religion
High deprivation
Avg IMD
67 · 3.7 per 1k
Crimes · May '26
£429,112
Median property price
305
Postcodes
7,569
Households
White Brit. · 43%
Ethnicity
Christian · 44%
Religion
High deprivation
Avg IMD
67 · 3.7 per 1k
Crimes · May '26
£429,112
Median property price
305
Postcodes

Overview of Sydenham

Coordinates51.4274, -0.0543
Postcodes
305
Population (Census)
18,060
Households (Census)
7,569
Recorded crime · May '26
67 · 3.7 per 1k

Area Deprivation (Average IMD) for Sydenham

Area IMD profile
This area-level value is averaged from postcode IMD deciles within the area boundary.
High deprivation
Mean decile 3.53 (1 = most deprived, 10 = least)
1 - Most deprived10 - Least deprived
Overall this area reads as High deprivation on relative deprivation, with a mean IMD decile of 3.53 (average of postcode-level deciles in this boundary).

Sold prices in Sydenham

Property sales · Sydenham
HM Land Registry · Sydenham
Average price
£514,926
YoY: -2.1%
Median price: £424,143
View district SE26
Property type filter
Recent sale price trend
Jun '24 – May '26May '26: 4 sales · avg £547,500
X axis: MonthY axis: Avg sold price (hover shows sales count)
£696k£540k£383k
Jun '24Dec '24Jun '25Dec '25May '26

Transactions are hidden by default.

Contains HM Land Registry data © Crown copyright and database right. This data is licensed under the Open Government Licence v3.0.

Police Recorded Crime in Sydenham

Crime trends · Sydenham
data.police.uk · YoY vs same month last yearJun '24 – May '26
Key categories · YoY
Violent Crime
29199
Jun '24Dec '24Jun '25Dec '25May '26
24
YoY +140%
ASB
38214
Jun '24Dec '24Jun '25Dec '25May '26
19
YoY -24%
Vehicle Crime
1272
Jun '24Dec '24Jun '25Dec '25May '26
5
YoY -17%
Burglary
530
Jun '24Dec '24Jun '25Dec '25May '26
1
YoY -67%
Criminal damage
630
Jun '24Dec '24Jun '25Dec '25May '26
0
YoY -100%

4 of 5 key categories improving · violent crime rising

67
incidents · May '26

Demographics in Sydenham

Ethnicity

Total residents: 18,133
White Brit.43.1%
African11.7%
Other White10.6%
Caribbean10.5%
Other ethnic group: Any other ethnic group3.6%
+ 9 other groups · 20.5%

Religion

Total residents: 18,119
Christian44.0%
No religion38.3%
Not answered7.5%
Muslim6.9%
Hindu1.4%
+ other · 2.0%

Age groups

Total residents: 18,060
35–4924.5%
50–6417.8%
25–3415.7%
10–157.3%
≤46.8%
+ 6 other age groups · 28.0%

Households

Total households: 7,569
Other20.7%
Married or civil partnership couple: Dependent children13.3%
Any member 66+10.7%
Lone parent family: With dependent children10.7%
Cohabiting couple family: No children8.5%
+ 8 other households · 36.0%

Postcode Districts in Sydenham

SE26
305 postcodes