← SW1Y area guide Side by side

SW1Y or W1J?

Two neighbouring postcode districts compared on sold prices, energy, flood risk, crime and deprivation, all from the same official sources as every report on this site.

The short version
SW1Y
Westminster
W1J
Westminster
Median home sale nearby £800,000
from 7 sales
£8,250,000
from 13 sales
Average sold price £132,150,000
Area price growth (YoY) -25.4% (City of Westminster) -25.4% (City of Westminster)
Dwelling type Mid-floor flat
Floor area 124 m²
Built 2012 onwards
Energy rating B
Heating cost (EPC est.) £564/yr
Flood zone Zone 1 (low probability) Zone 1 (low probability)
Crime nearby 4566 recorded 4288 recorded
Deprivation decile 8 of 10 7 of 10

Common questions

Is SW1Y or W1J cheaper?

SW1Y is the cheaper of the two. Homes around SW1Y sell for about £800,000 and around W1J for about £8,250,000, from HM Land Registry records of what actually changed hands.

Which has less crime, SW1Y or W1J?

W1J recorded fewer crimes in the same period (4566 in SW1Y against 4288 in W1J, Police.uk). Busier places record more, so read this alongside how built-up each area is rather than on its own.

Is SW1Y or W1J the more affluent area?

On the Index of Multiple Deprivation, SW1Y sits in decile 8 of 10 and W1J in decile 7, where 10 is the least deprived.

Should I buy in SW1Y or W1J?

That depends on what you need, and no dataset answers it. What this page gives you is the evidence side by side: what homes actually sell for, the energy ratings, the flood zone, recorded crime and deprivation, each traced to the body that published it.

A quick side-by-side snapshot only. Open each property's full report for the complete picture.