SN1 postcode area guide — Swindon

Where is SN1?

Broadband & internet speeds in SN1

Excellent coverage

Broadband availability in the SN1 postcode district (Swindon) is Excellent — gigabit-capable full fibre is widely available. Across the 747 postcodes Ofcom measures in SN1, superfast broadband (30 Mbit/s or faster) reaches 94.4% of premises and gigabit-capable lines are available to 89.5%.

Around 0% of premises in SN1 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 SN1

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

Mobile signal around Swindon

Ofcom's coverage model for the wider Swindon district (106,049 premises):

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

Crime in SN1

Police recorded 524 incidents within about a mile of the centre of SN1 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 SN1

Based on 438 sales registered with HM Land Registry in the last 12 months, the median sold price in SN1 is £227,500, down 5.2% on the previous year (£240,000).

Latest recorded sales in SN1

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

Who lives here? Swindon demographics

Census 2021 figures for the wider Swindon district (233,411 residents, 95,861 households):

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

Schools in and around SN1

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 SN1

395 rated food businesses operate in SN1. 269 hold the top rating of 5, 50 are rated 4, and 11 are rated 2 or below.

Among the 5-rated: Abacus House, Abbys Food Stores, Abes Cakes & Kitchen, Afghan Supermarket, Aldi Stores Ltd.

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

Energy performance (EPC) in SN1

From a sample of 217 Energy Performance Certificates across 11 SN1 postcodes, the most common rating is band C (average band C). 58% 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 Swindon

Landlines around SN1 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 SN1?

Postcodes in SN1

Neighbouring districts

All Swindon (SN) 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.