SL4 is a postcode district associated with Windsor and Maidenhead. These profiles combine postcode-district records with wider-area context. The legacy composite score is experimental; source dates and limitations are listed below.
Safety
F54% below avg
Schools
C95.5% Good or Outstanding
Transport
A2 rail stations nearby
Afford.
FMedian £510,000
Environ.
DData under review
Health
D8 GP practices nearby
Education
CAround average
Community
CAverage community
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This page covers the SL4 postcode district, which includes all postcodes starting with SL4 (e.g. SL4 3RG, SL4 4AB, SL4 5XX). All postcodes within SL4 share the same district-level data.
Data last updated October 2026 · Official UK government sources