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GU1 3SA

Castle · Guildford · England

Updated September 2026

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Location overview

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Post town
Guildford
Ward
Castle
Local authority
Guildford
Constituency
Guildford
Postcode district
GU1
Postcode sector
GU1 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
GU1 3SF 21 m
GU1 3ST 43 m
GU1 3RY 45 m
GU1 3JL 50 m
GU1 3JG 51 m
Complete postcode fields and official codes
Postcode
GU1 3SA
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
GU
Postcode district
GU1
Postcode sector
GU1 3
Latitude
51.236909
Longitude
-0.567012
British National Grid easting
500,135
British National Grid northing
149,612

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Guildford · E07000209
Electoral ward
Castle · E05014949
Parish or community
E43000138
Westminster constituency
Guildford · E14001258
Output area
E00155359
Lower layer super output area
Guildford 013E · E01030455
Middle layer super output area
Guildford 013 · E02006356

Postcode source versions

Explore GU1

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

Property

At this postcode

View all property records
62 recorded sales at this postcode
Address Date Price
Highbrook House, 59, 5, Sydenham Road, Guildford, GU1 3SA 24 October 2025 £240,000
Highbrook House, 59, 8, Sydenham Road, Guildford, GU1 3SA 9 February 2024 £268,500
72, Sydenham Road, Guildford, GU1 3SA 11 March 2021 £935,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
43
Primary
23
Secondary
6

  1. Royal Grammar School Guildford

    Other independent school

    175 m

  2. Pewley Down Infant School

    Voluntary aided school

    303 m

  3. Castle Garden School

    Other independent special school

    356 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
4,868
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,700
  • Shoplifting 850
  • Public order 612
  • Anti social behaviour 436
  • Other theft 338

Census 2021

Population and age profile

Postcode residents
28

13 female, 15 male

Postcode households
19
Residents per household
1.5
GU1 3 residents
4,428

Age bands in GU1 3

Wider postcode sector
Age 0 to 14
14%

700 residents

Age 15 to 24
13%

652 residents

Age 25 to 44
30.7%

1,534 residents

Age 45 to 64
26.2%

1,312 residents

Age 65 and over
16.1%

804 residents

This postcode contained 0.6% of the sector's usual residents on Census Day. The age profile describes the wider GU1 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

8

within 5 km

  • AUSTEN ROAD SURGERY

    1 AUSTEN ROAD, GUILDFORD, GU1 3NW

    ODS code H81006

    633 m

  • ST. LUKE'S SURGERY

    WARREN ROAD, GUILDFORD, GU1 3JH

    ODS code H81085

    691 m

  • DAPDUNE HOUSE SURGERY

    DAPDUNE HOUSE, WHARF ROAD, GUILDFORD, GU1 4RP

    ODS code H81029

    927 m

  • WOODBRIDGE HILL SURGERY

    1 DEERBARN ROAD, GUILDFORD, GU2 8YB

    ODS code H81090

    2.0 km

  • MERROW PARK SURGERY

    KINGFISHER DRIVE, GUILDFORD, GU4 7EP

    ODS code H81035

    3.0 km

  • GUILDOWNS GROUP PRACTICE

    THE OAKS, APPLEGARTH AVENUE, GUILDFORD, GU2 8LZ

    ODS code H81010

    3.2 km

  • WONERSH SURGERY

    THE STREET, WONERSH, GUILDFORD, GU5 0PE

    ODS code H81043

    4.6 km

  • FAIRLANDS MEDICAL PRACTICE

    THE FAIRLANDS MEDICAL CENTRE, FAIRLANDS AVENUE, FAIRLANDS, GUILDFORD, GU3 3NA

    ODS code H81064

    4.8 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

  • Jenner Road

    BCT · Guildford

    0.1 miles

  • Jenner Road

    BCT · Guildford

    0.1 miles

  • G Live

    BCT · Guildford

    0.1 miles

  • G Live

    BCT · Guildford

    0.1 miles

  • Semaphore Road

    BCT · Guildford

    0.1 miles

Relative deprivation

English Indices of Deprivation 2025 for Guildford 013E, 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

7 of 10

Overall England rank

23,272 of 33,755

Income
7 of 10
Employment
9 of 10
Education and skills
10 of 10
Health and disability
9 of 10
Crime
2 of 10
Housing and services
8 of 10
Living environment
3 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
0
Medium risk addresses
0
Low risk addresses
4
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 £254,250 from 2 recorded sales in GU1 3SA. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Guildford is £523,974 in June 2026, down 5.6% year on year.

Schools

Published establishments

43 open schools are in scope, including 23 primary and 6 secondary schools. Royal Grammar School Guildford is the nearest published school at 175 m.

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

Recorded crime

Published police records

4,868 published events cover 12 months, averaging 405.667 events per published month. The largest recorded category is Violence and sexual offences with 1,700 events.

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