← SL3 area guide Side by side

SL3 or SL4?

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
SL3
Slough
SL4
Windsor and Maidenhead
Median home sale nearby £415,000
from 98 sales
£462,500
from 134 sales
Average sold price £246,150 £379,740
Area price growth (YoY) +2.2% (Slough) -2.2% (Windsor and Maidenhead)
Dwelling type Semi-detached house Mid-floor flat
Floor area 92 m² 88 m²
Built 1950–1966 1996–2002
Energy rating C C
Heating cost (EPC est.) £945/yr £483/yr
Flood zone Zone 1 (low probability) Zone 1 (low probability)
Crime nearby 247 recorded 211 recorded
Deprivation decile 7 of 10 10 of 10

Common questions

Is SL3 or SL4 cheaper?

SL3 is the cheaper of the two. Homes around SL3 sell for about £415,000 and around SL4 for about £462,500, from HM Land Registry records of what actually changed hands.

Which has less crime, SL3 or SL4?

SL4 recorded fewer crimes in the same period (247 in SL3 against 211 in SL4, Police.uk). Busier places record more, so read this alongside how built-up each area is rather than on its own.

Is SL3 or SL4 the more affluent area?

On the Index of Multiple Deprivation, SL3 sits in decile 7 of 10 and SL4 in decile 10, where 10 is the least deprived.

Should I buy in SL3 or SL4?

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.