SN15 postcode area guide — Wiltshire
House prices, crime, broadband speeds, mobile signal, schools and demographics for the SN15 postcode district in Wiltshire — every official dataset on one page.
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Where is SN15?
Broadband & internet speeds in SN15
Strong coverage
Superfast (30Mb+)
91.8%
Ultrafast (300Mb+)
63.2%
Gigabit-capable
62%
Below USO (10Mb)
0.3%
Broadband availability in the SN15 postcode district (Wiltshire) is Strong — superfast is near-universal and gigabit is rolling out. Across the 1,209 postcodes Ofcom measures in SN15, superfast broadband (30 Mbit/s or faster) reaches 91.8% of premises and gigabit-capable lines are available to 62%.
Around 0.3% of premises in SN15 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 SN15
| Postcode | Superfast | Gigabit |
|---|---|---|
| SN15 1AA | 100% | 57.1% |
| SN15 1AB | 100% | 100% |
| SN15 1AD | 100% | 100% |
| SN15 1AE | 100% | 100% |
| SN15 1AF | 100% | 100% |
| SN15 1AG | 100% | 100% |
| SN15 1AH | 100% | 100% |
| SN15 1AJ | 100% | 100% |
| SN15 1AL | 100% | 100% |
| SN15 1AN | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Wiltshire
Ofcom's coverage model for the wider Wiltshire district (242,195 premises):
4G indoors — all networks
81.6%
4G outdoors — all networks
98.4%
5G outdoors — all networks
20.2%
Voice indoors — all networks
88.1%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
House prices in SN15
Based on 467 sales registered with HM Land Registry in the last 12 months, the median sold price in SN15 is £320,000, up 3.2% on the previous year (£310,000).
Detached
£490,000
147 sales
Semi-detached
£320,000
133 sales
Terraced
£243,000
105 sales
Flat / maisonette
£172,000
66 sales
Latest recorded sales in SN15
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 21 May 2026 | £130,000 | Flat | Waterford Place | SN15 3GX |
| 20 May 2026 | £370,000 | Semi-detached | Greenway Gardens | SN15 1AL |
| 19 May 2026 | £212,000 | Terraced | Morse Close | SN15 3FY |
| 15 May 2026 | £140,000 | Flat | Flowers Yard | SN15 3BN |
| 15 May 2026 | £235,000 | Terraced | Roman Way | SN15 3TA |
| 8 May 2026 | £400,000 | Terraced | Park Lane | SN15 1LN |
| 8 May 2026 | £575,000 | Detached | Sadlers Mead | SN15 3PA |
| 8 May 2026 | £500,000 | Detached | Ridings Mead | SN15 1PG |
| 8 May 2026 | £205,000 | Terraced | James Close | SN15 3YA |
| 6 May 2026 | £225,000 | Semi-detached | Coppice Close | SN15 2FD |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Wiltshire demographics
Census 2021 figures for the wider Wiltshire district (510,333 residents, 215,081 households):
| Age profile | |
|---|---|
| Under 15 | 17.9% |
| 15–29 | 20.7% |
| 30–44 | 18.3% |
| 45–64 | 21.3% |
| 65+ | 21.9% |
| Housing tenure | |
|---|---|
| Owner-occupied | 66.8% |
| Private rented | 17.5% |
| Social rented | 10.9% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around SN15
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Abbeyfield School | Secondary | 11–19 | 902 | SN15 3XB |
| Ivy Lane Primary School | Primary | 3–11 | 451 | SN15 1HE |
| Lyneham Primary School | Primary | 4–11 | 305 | SN15 4QJ |
| Kings Lodge Primary School | Primary | 4–11 | 298 | SN15 3SY |
| Monkton Park Primary School | Primary | 4–11 | 252 | SN15 3PN |
| Charter Primary School | Primary | 4–11 | 184 | SN15 3EA |
| St Paul's Primary School | Primary | 4–11 | 175 | SN15 1DU |
| St Mary's Catholic Primary School | Primary | 4–11 | 165 | SN15 2AH |
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 SN15
230 rated food businesses operate in SN15. 139 hold the top rating of 5, 31 are rated 4, and 3 are rated 2 or below.
Among the 5-rated: All in One Catering Bars, Angel Hotel, Athena, Avon Court Care Home, B&M Retail Ltd.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in SN15
From a sample of 145 Energy Performance Certificates across 12 SN15 postcodes, the most common rating is band D (average band D). 22% of sampled homes are rated C or better.
Band A
3%
Band B
3%
Band C
15%
Band D
49%
Band E
21%
Band F
7%
Band G
1%
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 Wiltshire
Landlines around SN15 typically use:
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What's it like living in SN15?
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Moving to SN15? Sort your connectivity first
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Postcodes in SN15
Neighbouring districts
All Swindon (SN) postcode districts ›
Frequently asked questions
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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.