SL1 3BL

Baylis & Salt Hill · Slough · England

Updated September 2026

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Location overview

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Post town
Slough
Local authority
Slough
Constituency
Slough
Postcode district
SL1
Postcode sector
SL1 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
SL1 3BH 30 m
SL1 3EG 70 m
SL1 3EQ 77 m
SL1 3BD 90 m
SL1 3HR 98 m
Complete postcode fields and official codes
Postcode
SL1 3BL
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SL
Postcode district
SL1
Postcode sector
SL1 3
Latitude
51.523018
Longitude
-0.613031
British National Grid easting
496,321
British National Grid northing
181,367

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Slough · E06000039
Parish or community
E43000235
Westminster constituency
Slough · E14001477
Output area
E00083253
Lower layer super output area
Slough 002E · E01016487
Middle layer super output area
Slough 002 · E02003408

Postcode source versions

Explore SL1

Use the wider postcode district to compare the same evidence across more locations.

Property

At this postcode

View all property records
15 recorded sales at this postcode
Address Date Price
26, Northampton Avenue, Slough, SL1 3BL 24 February 2022 £200,000
4, Northampton Avenue, Slough, SL1 3BL 3 July 2012 £179,000
4, Northampton Avenue, Slough, SL1 3BL 3 July 2012 £179,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
77
Primary
31
Secondary
19
  1. Phoenix Infant Academy

    Academy converter

    183 m
  2. Baylis Court Nursery School

    Local authority nursery school

    275 m
  3. The Godolphin Junior Academy

    Academy converter

    296 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
4,642
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,873
  • Vehicle crime 468
  • Other theft 375
  • Public order 368
  • Anti social behaviour 357

Census 2021

Population and age profile

Postcode residents
41

18 female, 23 male

Postcode households
16
Residents per household
2.6
SL1 3 residents
17,312

Age bands in SL1 3

Wider postcode sector
Age 0 to 14
22.9%

3,984 residents

Age 15 to 24
12.6%

2,189 residents

Age 25 to 44
33.2%

5,777 residents

Age 45 to 64
21.5%

3,735 residents

Age 65 and over
9.8%

1,709 residents

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider SL1 3 sector, not people in this individual postcode.

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%
Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

NHS ODS

GP practices

18

within 5 km

  • SHREEJI MEDICAL CENTRE

    22 WHITBY ROAD, SLOUGH, SL1 3DQ

    ODS code K81085

    680 m

  • FARNHAM ROAD PRACTICE

    301 FARNHAM ROAD, SLOUGH, SL2 1HD

    ODS code K81075

    888 m

  • MANOR PARK MEDICAL CENTRE

    2 LERWICK DRIVE, SLOUGH, SL1 3XU

    ODS code K81086

    913 m

  • CROSBY HOUSE SURGERY

    91 STOKE POGES LANE, SLOUGH, SL1 3NY

    ODS code K81034

    1.1 km

  • SLOUGH TREATMENT, ADVICE & RECOVERY TEAM

    ELLIMAN RESOURCE CENTRE, 27 PURSERS CLOSE, SLOUGH, SL2 5DL

    ODS code Y01253

    1.1 km

  • DR NABI

    261 BATH ROAD, SLOUGH, SL1 5PP

    ODS code K81608

    1.4 km

  • KUMAR MEDICAL CENTRE

    59 GRASMERE AVENUE, SLOUGH, SL2 5JE

    ODS code K81616

    2.1 km

  • HERSCHEL MEDICAL CENTRE

    45 OSBORNE STREET, SLOUGH, SL1 1TT

    ODS code K81043

    2.3 km

  • CHAPEL MEDICAL CENTRE

    SLOUGH WALK IN CENTRE, UPTON HOSPITAL, ALBERT STREET, SLOUGH, SL1 2BJ

    ODS code Y00265

    2.4 km

  • 240 WEXHAM ROAD

    WEXHAM ROAD, SLOUGH, SL2 5JP

    ODS code K81645

    2.5 km

  • BHARANI MEDICAL CENTRE

    450 BATH ROAD, CIPPENHAM, SLOUGH, SL1 6BB

    ODS code K81083

    2.5 km

  • THE VILLAGE MEDICAL CENTRE

    45 MERCIAN WAY, CHIPPENHAM, SLOUGH, SL1 5ND

    ODS code K81082

    2.6 km

  • SOUTHMEAD SURGERY

    BLACKPOND LANE, FARNHAM COMMON, SLOUGH, SL2 3ER

    ODS code K82045

    3.3 km

  • THREEWAYS SURGERY

    PENNYLETS GREEN, STOKE POGES, SLOUGH, SL2 4AZ

    ODS code K82031

    3.5 km

  • BURNHAM HEALTH CENTRE

    MINNIECROFT ROAD, BURNHAM, SLOUGH, SL1 7DE

    ODS code K82033

    3.7 km

  • SOUTH MEADOW SURGERY

    3 CHURCH CLOSE, ETON, WINDSOR, SL4 6AP

    ODS code K81630

    3.8 km

  • SHEET STREET SURGERY

    21 SHEET STREET, WINDSOR, SL4 1BZ

    ODS code K81068

    4.9 km

  • CLARENCE MEDICAL CENTRE

    VANSITTART ROAD, WINDSOR, SL4 5AS

    ODS code K81074

    4.9 km

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Northampton Avenue

    BCT · Baylis

    0.0 miles
  • Northampton Avenue

    BCT · Baylis

    0.0 miles
  • Farnham Road PO

    BCT · Slough Trading Estate

    0.1 miles
  • Godolphin Junior Academy

    BCT · Baylis

    0.1 miles
  • Farnham Road PO

    BCT · Slough Trading Estate

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Slough 002E, the published LSOA linked to this postcode. Decile 1 contains the most deprived 10% of English LSOAs and decile 10 the least deprived 10%.

Overall IMD decile

5 of 10

Overall England rank

14,387 of 33,755

Income
5 of 10
Employment
6 of 10
Education and skills
3 of 10
Health and disability
9 of 10
Crime
5 of 10
Housing and services
2 of 10
Living environment
6 of 10

These are relative area statistics, not measures of an individual household, affluence or absolute change. They cannot be compared with indices for other UK nations. Source: English Indices of Deprivation 2025, version 2025-v2.

Flood risk

Environment Agency long-term indicators for the area around addresses in this postcode. They are not an assessment of any individual property and do not show current or forecast flooding.

High risk addresses
4
Medium risk addresses
3
Low risk addresses
3
Groundwater flood alert area
Unlikely

Source: Environment Agency flood-risk postcode search tool data, version 2026-06-18. Check the long-term risk for an individual area. © Environment Agency copyright and/or database right 2025. All rights reserved.

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £200,000 from 1 recorded sale in SL1 3BL. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Slough is £352,024 in June 2026, up 2.2% year on year.

Schools

Published establishments

77 open schools are in scope, including 31 primary and 19 secondary schools. Phoenix Infant Academy is the nearest published school at 183 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

Published police records

4,642 published events cover 12 months, averaging 386.833 events per published month. The largest recorded category is Violence and sexual offences with 1,873 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.