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, by gigabit broadband

No home or business can get gigabit: 138
Some can get gigabit: 122
Every home and business can get gigabit: 486
Ofcom gives no figure: 7
Outline: where 5 or more postcodes without gigabit lie together

Of the 753 postcodes in CF48 that ONS places, 138 have no home or business that can get gigabit, 122 have some that can, 486 can all get it and 7 have no Ofcom figure.

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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and 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; gigabit: Ofcom, Connected Nations, Spring 2026; 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

Postcodes without gigabit

138 postcodes here have no gigabit. These are the 12 first in postcode order.

CF48 1AA CF48 1AJ CF48 1AR CF48 1AT CF48 1AX CF48 1BA CF48 1BJ CF48 1BZ CF48 1DG CF48 1DH CF48 1DJ CF48 1DL

Where the postcodes without gigabit lie together

23 postcodes without gigabit, outlined on the map. CF48 4PH, is the one nearest the middle of them.
12 postcodes without gigabit, outlined on the map. CF48 1LJ, is the one nearest the middle of them.
12 postcodes without gigabit, outlined on the map. CF48 1SZ, is the one nearest the middle of 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).

Postcodes where every home can get gigabit486 of 746

Postcodes where every home can get superfast692 of 746

Postcodes where some cannot get decent broadband4 of 746

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 checker

Source: 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.

£149,750 typical price, the 12 months to August 2026

12 months to August 2025: £150,000
12 months to August 2026: £149,750

▼ down 0.2% on the 12 months before

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

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