GU12 postcode area guide — Guildford

Where is GU12?

Broadband & internet speeds in GU12

Excellent coverage

Broadband availability in the GU12 postcode district (Guildford) is Excellent — gigabit-capable full fibre is widely available. Across the 783 postcodes Ofcom measures in GU12, superfast broadband (30 Mbit/s or faster) reaches 99.1% of premises and gigabit-capable lines are available to 88.2%.

Around 0% of premises in GU12 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.

Sample postcodes in GU12

Run a speed test to see what you're actually getting, or check your exact postcode.

Mobile signal around Guildford

Ofcom's coverage model for the wider Guildford district (61,835 premises):

Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.

Crime in GU12

Police recorded 134 incidents within about a mile of the centre of GU12 in May 2026 (latest published street-level data). The breakdown:

Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).

House prices in GU12

Based on 382 sales registered with HM Land Registry in the last 12 months, the median sold price in GU12 is £375,000, up 2.7% on the previous year (£365,000).

Latest recorded sales in GU12

Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.

Who lives here? Guildford demographics

Census 2021 figures for the wider Guildford district (143,650 residents, 55,760 households):

Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.

Schools in and around GU12

Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.

Food hygiene ratings in GU12

108 rated food businesses operate in GU12. 65 hold the top rating of 5, 24 are rated 4, and 6 are rated 2 or below.

Among the 5-rated: A Turner & Son, Aldershot College, Alderwood Infant School, Alderwood Senior School, Ash Grange Nursery and Primary School.

Source: Food Standards Agency, food hygiene ratings (FHRS) open data.

Energy performance (EPC) in GU12

From a sample of 116 Energy Performance Certificates across 10 GU12 postcodes, the most common rating is band D (average band D). 38% of sampled homes are rated C or better.

Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.

Phone area codes for Guildford

Landlines around GU12 typically use:

Had a call from an unknown number? Use our free UK phone number checker to see who called.

What's it like living in GU12?

Postcodes in GU12

Neighbouring districts

All Guildford (GU) postcode districts ›

Frequently asked questions

Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.