CF5 postcode district: Cardiff and around

CF5 is a postcode district in Wales, with 1,444 postcodes in use in 8 sectors. It has postcodes in Cardiff. It is split between 2 councils: Cardiff (1,294 postcodes) and Vale of Glamorgan (150).

Postcodes in use: 1,444
Sectors: 8
Councils: 2 councils
Places: Cardiff

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

Every postcode in CF5, by gigabit broadband

No home or business can get gigabit: 65
Some can get gigabit: 147
Every home and business can get gigabit: 1,213
Ofcom gives no figure: 19
Outline: where 5 or more postcodes without gigabit lie together

Of the 1,444 postcodes in CF5 that ONS places, 65 have no home or business that can get gigabit, 147 have some that can, 1,213 can all get it and 19 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 51.4834, longitude -3.2455. 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

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

CF5 1AS CF5 1LB CF5 1QW CF5 2AX CF5 2AY CF5 2AZ CF5 2FG CF5 2FX CF5 2NT CF5 2PY CF5 2QN CF5 2SJ

Where the postcodes without gigabit lie together

10 postcodes without gigabit, outlined on the map. CF5 5TQ, is the one nearest the middle of them.
6 postcodes without gigabit, outlined on the map. CF5 6EE, is the one nearest the middle of them.

What broadband can you get in CF5?

Ofcom reports on 1,425 of the 1,444 postcodes in CF5. At 1,213 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 gigabit1,213 of 1,425

Postcodes where every home can get superfast1,374 of 1,425

Postcodes where some cannot get decent broadband2 of 1,425

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 CF5?

Homes in CF5 sold for a typical £287,000 in the 12 months to August 2026, across 753 sales, up 2.5% on the 12 months before, HM Land Registry's figures show.

£287,000 typical price, the 12 months to August 2026

12 months to August 2025: £280,000
12 months to August 2026: £287,000

▲ up 2.5% on the 12 months before

Detached£420,000 139 sales

Semi-detached£280,000 218 sales

Terraced£279,950 301 sales

Flat or maisonette£160,000 95 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