SY17 postcode area guide — Powys
House prices, crime, broadband speeds, mobile signal, schools and demographics for the SY17 postcode district in Powys — every official dataset on one page.
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Where is SY17?
Broadband & internet speeds in SY17
Strong coverage
Superfast (30Mb+)
80.6%
Ultrafast (300Mb+)
49%
Gigabit-capable
49%
Below USO (10Mb)
2.3%
Broadband availability in the SY17 postcode district (Powys) is Strong — superfast is near-universal and gigabit is rolling out. Across the 180 postcodes Ofcom measures in SY17, superfast broadband (30 Mbit/s or faster) reaches 80.6% of premises and gigabit-capable lines are available to 49%.
Around 2.3% of premises in SY17 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 SY17
| Postcode | Superfast | Gigabit |
|---|---|---|
| SY17 5AA | 77.8% | 77.8% |
| SY17 5AB | 85.7% | 85.7% |
| SY17 5AD | 100% | 100% |
| SY17 5AE | 100% | 100% |
| SY17 5AF | 77.8% | 77.8% |
| SY17 5AH | 100% | 100% |
| SY17 5AJ | 100% | 100% |
| SY17 5AP | 84.6% | 84.6% |
| SY17 5AQ | 100% | 100% |
| SY17 5AS | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Powys
Ofcom's coverage model for the wider Powys district (71,508 premises):
4G indoors — all networks
75.4%
4G outdoors — all networks
92.7%
5G outdoors — all networks
—
Voice indoors — all networks
79.7%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
House prices in SY17
Based on 38 sales registered with HM Land Registry in the last 12 months, the median sold price in SY17 is £205,000, down 10.9% on the previous year (£230,000).
Detached
£335,000
14 sales
Semi-detached
£200,000
11 sales
Terraced
£135,000
12 sales
Latest recorded sales in SY17
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 7 May 2026 | £170,000 | Terraced | Plas Trannon | SY17 5PW |
| 6 May 2026 | £150,000 | Semi-detached | Station Road | SY17 5EQ |
| 30 Apr 2026 | £450,000 | Detached | SY17 5PU | |
| 30 Apr 2026 | £132,000 | Terraced | Tregerddi | SY17 5DB |
| 7 Apr 2026 | £130,000 | Semi-detached | Tycoch Cottages | SY17 5SD |
| 20 Mar 2026 | £187,000 | Terraced | Main Street | SY17 5ET |
| 13 Mar 2026 | £440,000 | Terraced | SY17 5SB | |
| 6 Mar 2026 | £175,000 | Semi-detached | SY17 5BY | |
| 12 Dec 2025 | £290,000 | Detached | Chapel Field | SY17 5BX |
| 11 Dec 2025 | £210,000 | Terraced | Maes Hafren | SY17 5HE |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Powys demographics
Census 2021 figures for the wider Powys district (133,170 residents, 60,182 households):
| Age profile | |
|---|---|
| Under 15 | 15.5% |
| 15–29 | 18% |
| 30–44 | 15.5% |
| 45–64 | 23.1% |
| 65+ | 27.9% |
| Housing tenure | |
|---|---|
| Owner-occupied | 67.6% |
| Private rented | 18.1% |
| Social rented | 5.3% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around SY17
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Caersws C.P. School | Not applicable | — | — | SY17 5HG |
| Ysgol Gynradd Carno | Not applicable | — | — | SY17 5LE |
| Llandinam C.P. School | Not applicable | — | — | SY17 5BY |
| Ysgol Dyffryn Trannon | Not applicable | — | — | SY17 5PH |
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 SY17
49 rated food businesses operate in SY17. 34 hold the top rating of 5, 6 are rated 4, and 2 are rated 2 or below.
Among the 5-rated: Arthurs @, Arthurs Restaurant & Bar/Jesses Bar, Ascona Caersws, Breakfast Club, Breakfast Club.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in SY17
From a sample of 111 Energy Performance Certificates across 10 SY17 postcodes, the most common rating is band C (average band D). 39% of sampled homes are rated C or better.
Band B
5%
Band C
34%
Band D
24%
Band E
19%
Band F
10%
Band G
8%
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 Powys
Landlines around SY17 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 SY17?
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Moving to SY17? Sort your connectivity first
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Postcodes in SY17
Neighbouring districts
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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.