CF48 postcode district: Merthyr Tydfil and around
CF48 is a postcode district in Wales, with 753 postcodes in use in 4 sectors. It has postcodes in Merthyr Tydfil, Troedyrhiw and Pentrebach and Aberfan. It is split between 4 councils: Merthyr Tydfil (745 postcodes), Caerphilly (3), Powys (3) and 1 other.
- Postcodes in use
- 753
- Sectors
- 4
- Councils
- 4 councils
- Places
- 3 places
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources
Every postcode in CF48, and which are new since 2020
- New since 2020: 17
- In use before 2020: 736
Of the 753 postcodes in CF48 that ONS places, 17 are new since 2020 and 736 were in use before 2020.
Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.
The middle of its postcodes: latitude 51.7416, longitude -3.3716. Open this area on OpenStreetMap
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them
What broadband can you get in CF48?
Ofcom reports on 746 of the 753 postcodes in CF48. At 486 of them every home and business can get gigabit broadband, and at 4 some cannot get decent broadband (10 Mbit/s).
Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.
Check one address on Ofcom's checkerSource: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it
What do homes sell for in CF48?
Homes in CF48 sold for a typical £149,750 in the 12 months to August 2026, across 212 sales, down 0.2% on the 12 months before, HM Land Registry's figures show.
- Detached £282,500 36 sales
- Semi-detached £179,250 58 sales
- Terraced £125,000 117 sales
- Flat or maisonette 1 sale, too few to price
Each bar is that kind's typical price, against the most expensive kind here.
Standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.
Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it
Postcodes in CF48
Pick a sector, then a postcode. A sector is the district plus the next digit.
UK postcode format explainedPlaces in CF48
Towns and villages with postcodes in CF48, and how many each has here.
Who covers CF48
How many of the district's postcodes in use fall under each council, constituency and police force area.
Councils
What council am I in?Constituencies
- Merthyr Tydfil and Aberdare747
- Blaenau Gwent and Rhymney3
- Brecon, Radnor and Cwm Tawe3
Police force areas
- South Wales747
- Dyfed-Powys3
- Gwent3
Next to CF48
"Next to" is by number: the districts before and after CF48 in the CF area.
Check a postcode
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