← SW1X area guide Side by side

SW1X or SW3?

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
SW1X
Westminster
SW3
Kensington and Chelsea
Median home sale nearby £2,327,500
from 20 sales
£1,630,000
from 69 sales
Average sold price £1,608,382 £390,313
Area price growth (YoY) -25.4% (City of Westminster) -14.7% (Kensington and Chelsea)
Dwelling type Mid-floor flat Ground-floor flat
Floor area 117 m² 40 m²
Built 1967–1975 Before 1900
Energy rating C D
Heating cost (EPC est.) £964/yr £598/yr
Flood zone Zone 1 (low probability) Zone 1 (low probability)
Crime nearby 1366 recorded 967 recorded
Deprivation decile 8 of 10 9 of 10

Common questions

Is SW1X or SW3 cheaper?

SW3 is the cheaper of the two. Homes around SW1X sell for about £2,327,500 and around SW3 for about £1,630,000, from HM Land Registry records of what actually changed hands.

Which has less crime, SW1X or SW3?

SW3 recorded fewer crimes in the same period (1366 in SW1X against 967 in SW3, Police.uk). Busier places record more, so read this alongside how built-up each area is rather than on its own.

Is SW1X or SW3 the more affluent area?

On the Index of Multiple Deprivation, SW1X sits in decile 8 of 10 and SW3 in decile 9, where 10 is the least deprived.

Should I buy in SW1X or SW3?

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.