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Slough (SL4)

The SL4 postcode area is located in the Slough postcode town region, within the county of Berkshire, and contains a total of 2042 individual postcodes.

There are 38 electoral wards in the SL4 postcode area, including Ascot, Bourne End, Gerrards Cross, Iver, Maidenhead, Marlow, Slough, Windsor which come under the local authority of the Windsor and Maidenhead Council.

Combining the whole postcode region, 36% of people in SL4 are classed as having an AB social grade, (i.e. 'white-collar' middle-upper class), compared to 27% across the UK.

This does not mean that the people of SL4 are wealthier - or higher class - than average, but it can be an indication that the area may be prospering and desirable to live in.

SL4 is a postcode district located within the Slough area of Berkshire, England. It covers the areas of Datchet, Eton, Old Windsor and part of the Borough of Windsor and Maidenhead as well as a small part of Buckinghamshire.

The district of SL4 is home to a number of well-known attractions, including the world-renowned Legoland theme park. The district is also renowned for its bustling business district, featuring some of the largest companies in the UK, such as Shell and GlaxoSmithKline.

The area is connected to London via the M4 motorway, with direct access from junction 5 and 6. There are also various bus and train routes that service the area, making it a great place for commuters.

SL4 is an ethnically diverse postcode district, with a large Asian population. Indeed, the local population is increasingly diverse due to the fact that it is extremely well connected with the metropolis of London.

The district has a strong education system, with numerous primary schools and six local secondary schools. Furthermore, SL4 is home to the University of West London which offers an impressive range of undergraduate and postgraduate courses.

Furthermore, SL4 is home to the famous Wentworth Golf Club, home of the Ryder Cup and The Holy Trinity Catholic Church, one of the most revered churches in Berkshire.

The postcode district is known for its very low levels of crime, making it a safe place to live. Moreover, the local community is well-connected, with a variety of local events taking place on a regular basis.

SL4 is an ideal postcode district for individuals and families who are looking to enjoy all the benefits of living in a well-connected and thriving area. Furthermore, it is an ideal location for business owners, with its excellent transport links and highly diverse population.

Postcode Disclaimer notice



  • 90%WORKING

10% of people in SL4 are either unemployed or full time students. The average UK unemployment rate is currently 4%.


  • 36%AB
  • 50%C2/C2
  • 14%DE

According to census records, 36% of people here have a social grade of AB (highest), compared to the national average of 27%.


  • 77%WHITE
  • 23%NON-WHITE

77% of people class themselves as 'white', compared to a national UK average of 81.9%.

SL Postcode Wall Map


The county of Berkshire

SL4 is located in the county of Berkshire, in England.

Berkshire has a total population of 896,800, making it the 24th largest county in the UK.

Berkshire has a total area of 487 square miles, and a population density of 710 people per square kilometre. For comparison, Greater London has a density of 5,618 people/km2.

Berkshire Postal Town Map
Outward CodeSL4
Postal TownSlough
MSOA NameWindsor and Maidenhead 010
LSOA NameWindsor and Maidenhead 010A
Local AuthorityWindsor and Maidenhead
Area ClassificationUrban with City and Town

SL4 Electoral Wards

The postal region of SL4, includes the local towns, villages, electoral wards and stations of:

Bray Wick
Clewer Green
Clewer New Town
Clewer Village
Cooper's Hill
Datchet Common
Dorney Reach
Eton Wick
Eton Wick
Grand Union Canal
Lake End
Manor Park
Moneyrow Green
Oakley Green
Old Windsor
Salt Hill
South Field
The Village
Browse Postcodes in SL4

Dig even deeper into the SL4 postcode by clicking on a postcode below:

Click on an outward postal code below for more information about the area. Each 'outward' postcode give you a comprehensive list of all postcodes within the outward code area (SL) and estimated address.

Click on an 'outward' code for more information. For example, the outward postcode page 'EC2M' will give you an alphabetical list covering all postcodes located in the region, from 'EC2M 1BB' through to 'EC2M 7YA'.

Your views ofSL4

Chris H

Thursday, June 20, 2024

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Please tell us what you like about the SL4 postcode area, what you don't like, and what it's like to live or work here.

Your opinions on...

Teen claims Caversham fake handbag stabbing was in 'self-defence'

A teen who stabbed another youth following a dispute over a fake Louis Vuitton handbag has claimed he acted in self-defence.

Local Berkshire

'Denny won't handle my firepower' - Cash

Surrey-born boxer Felix Cash is confident of victory when he fights for the European middleweight title on Saturday.

BBC News

Crowded House soar at On The Mount Wasing during sunset

The band played all their best hits which included 'Weather With You,' 'Fall At Your Feet,' 'Something So Strong,' 'Better Be Home Soon,' and of course 'Don't Dream It's Over.'

Local Berkshire

King and Queen appear in Order of Garter ceremony

King Charles and Queen Camilla were in Windsor for the colourful Order of the Garter ceremony.

BBC News

Water park fined 80k after girl, 11, drowned

Kyra Hill was attending a birthday party when she got into difficulties in a lake.

BBC News

Brand-new independent Italian Gourmet Pasta Co opens in Newbury

A brand-new independent pasta restaurant has opened in Newbury presenting a whole new take on many of the traditional Italian dishes we all know and love.

Local Berkshire

Appeal to the public as search continues for missing Newbury men

Thames Valley Police is appealing for the public's help to trace two missing men from Newbury.

Local Berkshire

Keir Starmer defends Labour Party's record on Palestine

Keir Starmer has defended the Labour Party's record on Palestine on a visit to West Berkshire

Local Berkshire

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Showers drown UK retail sales - which stores suffered?

April's heavy rains soaked the UK retail sector, causing a significant sales slump and highlighting vulnerabilities to economic and environmental factors.

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Deciphering Crime Rates - a Deep Dive Into UK Postcode Analysis

Deciphering Crime Rates - a Deep Dive Into UK Postcode Analysis

Ever wondered about the crime rate in your UK postcode? You're not alone. We've dug deep into the data, uncovering trends and patterns that'll make your head spin.

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Death of the High Street?

Death of the High Street?

The BBC reports that despite councils' attempts to kurb them, the UK's high streets have seen a huge growth in fast food outlets. Could this mark the death knell for the Great British high street, and what can we do about it to halt its decline?

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Discrimination by Postcode

Discrimination by Postcode

You really couldn't make it up, could you? Some of the country's most vulnerable people are missing out on their weekly £25 Cold Weather Payment, just because the system that's in operation is discriminating against them because payments are based on postcode, rather than geographic location.

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