Flood Risk Map by Postcode: SN Postcode Area

Search by postcode or use the drilldown below.

Flood risk by SN postcode districts

Number of postcodes of each risk level within SN postcode districts. Click a postcode district to drill down to postcode sectors.

Postcode DistrictHighMediumLowVery Low
SN1
0
1
0
0
SN10
0
5
0
0
SN11
2
11
4
0
SN12
4
16
1
0
SN13
2
3
1
0
SN14
2
10
3
0
SN15
2
25
121
0
SN16
1
11
3
0
SN2
0
2
4
2
SN25
11
2
3
0
SN3
6
37
23
0
SN4
0
1
3
0
SN5
1
5
10
0
SN6
2
12
15
0
SN7
3
16
0
0
SN8
1
15
10
0
SN9
6
6
3
0
X