Newtown · SY17

EPC in SY17 (Caersws)? We'll point you the right way.

Covering Caersws, Llandinam, including Llanbrynmair, Llandinam with Dolfor. Find accredited domestic energy assessors nearby.

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Request an EPC in SY17 (Caersws)

No EPC assessor listed for SY17 (Caersws) yet. Tell us what you need and we'll find you a registered EPC assessor, free.

Request an EPC in SY17 (Caersws)

How to check an EPC assessor is registered: see the Newtown page.

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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

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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 authority
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Give 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) wards
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Terrace and semi country

Most homes here are terraces or semis. Insulation and heating upgrades are the usual way to nudge a rating up, so have receipts ready.

Where's this from?ONS Census 2021, Newtown: 34.7% terraced, 24.8% semi-detached
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New to EPCs? Here's what to expect, how to get ready and what it costs, in plain English. Read the quick guide →

Wales landlord rules: quick version

  • When you let: give contract-holders a valid EPC.
  • Minimum E: generally applies to private lets.

More detail on the Newtown page. Always double-check on GOV.WALES.

Next door to SY17

SY16 · NewtownSY18 · LlanidloesSY19 · LlanbrynmairLD6 · RhayaderLD1 · Llandrindod WellsSY15 · Montgomery

← Energy Performance Certificate (EPC) across Newtown · all areas

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 privately renting (Newtown built-up area)
18.4% 5
  1. ONS Postcode Directory
  2. Doogal
  3. Doogal / ONSPD
  4. postcodes.io
  5. ONS Census 2021

Made with open data. See where it all comes from. Updated 26 October 2026.