GU18 postcode area guide — Surrey Heath

Where is GU18?

Broadband & internet speeds in GU18

Strong coverage

Broadband availability in the GU18 postcode district (Surrey Heath) is Strong — superfast is near-universal and gigabit is rolling out. Across the 143 postcodes Ofcom measures in GU18, superfast broadband (30 Mbit/s or faster) reaches 97% of premises and gigabit-capable lines are available to 58.6%.

Around 0% of premises in GU18 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 GU18

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

Mobile signal around Surrey Heath

Ofcom's coverage model for the wider Surrey Heath district (40,195 premises):

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

Crime in GU18

Police recorded 37 incidents within about a mile of the centre of GU18 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 GU18

Based on 78 sales registered with HM Land Registry in the last 12 months, the median sold price in GU18 is £545,000, up 17.2% on the previous year (£465,000).

Latest recorded sales in GU18

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

Who lives here? Surrey Heath demographics

Census 2021 figures for the wider Surrey Heath district (90,452 residents, 36,008 households):

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

Schools in and around GU18

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 GU18

27 rated food businesses operate in GU18. 21 hold the top rating of 5, 1 are rated 4, and none are currently rated 2 or below.

Among the 5-rated: BP Lightwater SF Connect, Chartwells At Hammond Junior School, Chartwells At Lightwater Village School, Cinnamon Palace, Co-operative Group.

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

Energy performance (EPC) in GU18

From a sample of 187 Energy Performance Certificates across 10 GU18 postcodes, the most common rating is band D (average band D). 32% 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 Surrey Heath

Landlines around GU18 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 GU18?

Postcodes in GU18

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.