Councils / Wales
Carmarthenshire: Band D is £2,351.
Council tax for 2026-27, with what renters pay, how efficient homes are and what broadband and mobile signal there is in Carmarthenshire. Every figure shows its source and date.
Council tax in Carmarthenshire.
2026-27Source: Council tax levels in Wales (Welsh Government) Checked
| Band | A year | Over 10 months |
|---|---|---|
| A | £1,567.47 | £156.75 |
| B | £1,828.71 | £182.87 |
| C | £2,089.96 | £209.00 |
| D | £2,351.20 | £235.12 |
| E | £2,873.69 | £287.37 |
| F | £3,396.18 | £339.62 |
| G | £3,918.67 | £391.87 |
| H | £4,702.40 | £470.24 |
| I | £5,486.13 | £548.61 |
These are the amounts for a home in each band before any discount or reduction. To see the band of a particular home, check it on GOV.UK.
Renting in Carmarthenshire: about £690 a month.
Private rents · September 2026- One bedroom
- £503 a month
- Two bedrooms
- £650 a month
- Three bedrooms
- £744 a month
- Four or more
- £1,002 a month
Up 6.5% on a year earlier. This is the average paid by all private renters, including people who moved in years ago, so new lets often cost more.
Source: Price Index of Private Rents (Office for National Statistics) Published
Energy ratings in Carmarthenshire: 38% C or better.
Energy performance certificates, last 10 years| Band | Carmarthenshire | England and Wales |
|---|---|---|
| A | 2% | 1% |
| B | 8% | 15% |
| C | 28% | 39% |
| D | 36% | 34% |
| E | 16% | 9% |
| F | 6% | 2% |
| G | 2% | 1% |
Out of 47,057 certificates for homes in Carmarthenshire registered in the last 10 years, against 54% C or better across England and Wales. Only homes that were sold, let or newly built need a certificate, so this isn't every home.
Source: Energy Performance of Buildings Register (MHCLG) Published
Broadband in Carmarthenshire: 73% can get full fibre.
Share of premises- Can get full fibre
- 73%
- Can get gigabit
- 73%
- Have a full fibre connection
- 44%
Across 95,119 homes and businesses in Carmarthenshire. In Great Britain as a whole, 81% can get full fibre and 88% gigabit. 1,073 of them can't get decent broadband. Whether a particular address can get a service is for the provider to say: check the speeds at a postcode on the broadband speed checker.
Source: Ofcom Connected Nations (fixed broadband coverage) Data from
Mobile signal in Carmarthenshire.
Share of premises- 4G indoors, every network
- 80.3%
- Calls indoors, every network
- 83%
- 5G outdoors, any network
- 92.1%
The share of homes and businesses across the whole council area, not this postcode. Signal inside a particular building can differ, so check each network's own coverage checker.
Source: Ofcom Connected Nations (mobile coverage) Data from
Councils nearby.
NearbyThe councils whose areas are centred closest to Carmarthenshire, nearest first.
Check an address.
MoreData sources
- Council tax levels in Wales (Welsh Government). Contains public sector information licensed under the Open Government Licence v3.0.
- Price Index of Private Rents (Office for National Statistics). Source: Office for National Statistics licensed under the Open Government Licence v3.0.
- Energy Performance of Buildings Register (MHCLG). Contains public sector information licensed under the Open Government Licence v3.0.
- Ofcom Connected Nations (fixed broadband coverage). Contains public sector information licensed under the Open Government Licence v3.0. Coverage estimates from Ofcom Connected Nations. Check availability at your address with providers.
- Ofcom Connected Nations (mobile coverage). Contains public sector information licensed under the Open Government Licence v3.0. Mobile coverage estimates from Ofcom Connected Nations, by council area.