CF83 postcode district: Caerphilly and around

CF83 is a postcode district in Wales, with 1,208 postcodes in use in 6 sectors. It has postcodes in Caerphilly, Bedwas, Abertridwr and Senghenydd and 3 more places. It is split between 3 councils: Caerphilly (1,203 postcodes), Cardiff (3) and Rhondda Cynon Taf (2).

Postcodes in use: 1,208
Sectors: 6
Councils: 3 councils
Places: 6 places

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in CF83, by gigabit broadband

No home or business can get gigabit: 94
Some can get gigabit: 115
Every home and business can get gigabit: 983
Ofcom gives no figure: 16
Outline: where 5 or more postcodes without gigabit lie together

Of the 1,208 postcodes in CF83 that ONS places, 94 have no home or business that can get gigabit, 115 have some that can, 983 can all get it and 16 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 51.5869, longitude -3.2188. 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

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

CF83 1BE CF83 1BF CF83 1BL CF83 1BQ CF83 1EE CF83 1JA CF83 1JP CF83 1LP CF83 1LX CF83 1LY CF83 1LZ CF83 1NA

Where the postcodes without gigabit lie together

8 postcodes without gigabit, outlined on the map. CF83 8QX, is the one nearest the middle of them.
5 postcodes without gigabit, outlined on the map. CF83 1BE, is the one nearest the middle of them.
5 postcodes without gigabit, outlined on the map. CF83 1UB, is the one nearest the middle of them.

What broadband can you get in CF83?

Ofcom reports on 1,192 of the 1,208 postcodes in CF83. At 983 of them every home and business can get gigabit broadband, and at 2 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit983 of 1,192

Postcodes where every home can get superfast1,130 of 1,192

Postcodes where some cannot get decent broadband2 of 1,192

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 CF83?

Homes in CF83 sold for a typical £230,000 in the 12 months to August 2026, across 585 sales, up 2.7% on the 12 months before, HM Land Registry's figures show.

£230,000 typical price, the 12 months to August 2026

12 months to August 2025: £223,995
12 months to August 2026: £230,000

▲ up 2.7% on the 12 months before

Detached£357,500 128 sales

Semi-detached£240,000 207 sales

Terraced£188,500 235 sales

Flat or maisonette£133,000 15 sales

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