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Postcode sector · Slough

SL3 9 area guide

Who lives in SL3 9, what homes sell for, and how it compares on crime, schools and transport.

Council
Windsor and Maidenhead
Region
South East
Population
11,446 (2024)
At a glance

What SL3 9 is like

The SL3 9 postcode sector in Windsor and Maidenhead covers 171 live postcodes and is home to about 11,446 people in 4,283 households. 54.5% of households own their home, 30.8% rent privately and 13.9% are in social housing. The largest age group is 30–34, and 63.3% of adults are in work. On deprivation, it sits near the middle of the scale for England. Higher-harm crime is well above the England and Wales average. Homes in SL3 9 sold for a median of £485,000 over the year to August 2026.

Scores

How SL3 9 compares

Headline figures for SL3 9, set against England as a whole.

AffluenceMore
5.3/ 10

Around the middle. Scored from 1 (most deprived in England) to 10 (least deprived).

CrimeMore
9/ 10

Higher than most: 56.0 higher-harm crimes per 1,000 people a year vs 31.1 nationally.

House pricesMore
£485,000

Median over 45 sales in SL3 9, −12% on the year before.

TransportMore
7.0/ 10

Very good: 2 stations within a mile, 21 bus stops within 800m.

SchoolsMore
100%

Rated good or better across 3 inspected schools in SL3 9.

Household incomeMore
£67,264

Average annual income before tax, higher than 80% of neighbourhoods in England and Wales.

What stands out

Worth knowing before you invest

Where SL3 9 differs most from the national average.

  1. 01
    A big private rental marketPositive

    30.8% of households rent privately, against 20.5% across England. Tenant demand is established here.

  2. 02
    Higher crime than mostLook closer

    56.0 higher-harm crimes per 1,000 people a year, against 31.1 across England and Wales.

  3. 03
    Prices fallingLook closer

    The median sale price in SL3 9 is down 12% on the year before.

  4. 04
    Well connectedPositive

    2 stations within a mile and 21 bus stops within a ten-minute walk.

  5. 05
    Well-rated schoolsPositive

    100% of the inspected schools nearby are rated good or better.

Questions

SL3 9 FAQs

01
Is SL3 9 a good place to live?

Deprivation, crime, schools and transport at a glance.

It scores 5.3 out of 10 on the English Indices of Deprivation 2025, where 10 is the least deprived in England. Higher-harm crime runs at 56.0 per 1,000 people a year, band 9 of 10 nationally. 100% of the inspected schools nearby are rated good or better. Transport connectivity scores 7.0 out of 10 (very good).
02
How much does a house cost in SL3 9?

The median sale price over the last year was £485,000.

Homes in SL3 9 sold for a median of £485,000 across 45 sales in the year to August 2026, −12% on the year before. Prices come from HM Land Registry’s record of every residential sale.
03
Is SL3 9 safe?

How recorded crime here compares with the national average.

Higher-harm crime (violence, robbery, burglary, vehicle crime and weapons offences) runs at 56.0 offences per 1,000 people a year around SL3 9, well above the 31.1 average across England and Wales, band 9 of 10.
04
Who lives in SL3 9?

Age, home ownership and housing from the census.

The largest age group is 30–34, at 9% of residents. 54.5% of households own their home. The most common property type is purpose-built flat (35.1%).
05
Which council covers SL3 9?

The local authority for SL3 9 is Windsor and Maidenhead.

SL3 9 comes under Windsor and Maidenhead in the South East. Council tax, planning applications and bin collections are handled there.
06
How well connected is SL3 9?

Connectivity scores 7.0 out of 10.

There are 21 bus stops within 800m and 2 stations and tram stops within a mile, scoring 7.0 out of 10 (very good). The nearest station is Datchet Rail Station, 0.5 miles away.

Sources: Census 2021 (ONS); ONS mid-year population estimates; police recorded crime; the English, Welsh and Scottish indices of deprivation; ONS small area income estimates; ONS private rents; DfE, Welsh and Scottish school registers and Ofsted; DfT NaPTAN; ORR estimates of station usage; HM Land Registry Price Paid Data. Contains public sector information licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right.

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