Newtown · SY17
Gas safety certificate in SY17 (Caersws)? We'll point you the right way.
Covering Caersws, Llandinam, including Llanbrynmair, Llandinam with Dolfor. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in SY17 (Caersws)
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Request a gas safety certificate in SY17 (Caersws)
How to check a gas safety engineer is registered: see the Newtown page.
SY17 (Caersws) in a nutshell
SY17 covers Caersws, Llandinam, in Powys. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for SY17
Powys council area
SY17 is in Powys's area. Some councils run their own landlord licensing, so it's worth checking theirs.
Where's this from?
postcodes.io (ONSPD) local authorityGive your full postcode
SY17 stretches across Caersws, Llanbrynmair, Llandinam with Dolfor, so give your full postcode, not just 'SY17', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsOff the gas grid? Check they cover it
Lots of homes around Newtown aren't on mains gas, so if you've got an LPG tank or an oil boiler, check the engineer covers it before you book.
Where's this from?
ONS Census 2021, Newtown: 5.3% oil or tank/bottled gas heatingWales landlord rules: quick version
- Every year: a gas safety check by a Gas Safe registered engineer.
- CO alarm: needed where there's a gas, oil or solid fuel appliance.
- Register: with Rent Smart Wales.
More detail on the Newtown page. Always double-check on GOV.WALES.
Next door to SY17
Frequently asked questions
Which areas does SY17 cover?
SY17 (Caersws, Llandinam) includes the wards of Caersws, Llanbrynmair, Llandinam with Dolfor (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to SY17?
Neighbouring districts include SY16 (Newtown), SY18 (Llanidloes), SY19 (Llanbrynmair), LD6 (Rhayader), LD1 (Llandrindod Wells) (ONS Postcode Directory via Doogal). A pro covering SY17 may well cover these too, so it's worth asking.
How many homes are in SY17?
About 1,623 households and 3,749 residents at the 2011 Census, across 178 active postcodes (Doogal / ONS Postcode Directory).
Which council area is SY17 in?
SY17 sits in Powys (postcodes.io). Parliamentary constituency: Montgomeryshire and Glyndwr.
📊 The numbers behind this page
- Postcode district
- SY17 1
- Areas covered
- Caersws, Llandinam 2
- Active postcodes
- 178 3
- Households (2011 Census, via Doogal)
- 1,623 2
- Population (2011 Census, via Doogal)
- 3,749 2
- Electoral wards
- Caersws, Llanbrynmair, Llandinam with Dolfor 4
- Parliamentary constituencies
- Montgomeryshire and Glyndwr 4
- Local authority
- Powys 4
- Households heated by mains gas only (Newtown built-up area)
- 75.9% 5
- ONS Postcode Directory
- Doogal
- Doogal / ONSPD
- postcodes.io
- ONS Census 2021
Made with open data. See where it all comes from. Updated 26 October 2026.