NP12
Postcode districtPostcode district covering Blackwood and Cefn Fforest, in Caerphilly.
Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an NP12 postcode. How census figures are added up
Gigabit coverage by postcode district
Connected Nations (Ofcom) · January 2026
In NP12, 93.8% of homes and businesses could get gigabit-capable broadband in January 2026.
How NP12 compares
Each dot is a postcode district. The black line marks the middle one.
Is NP12 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in NP12 at a rate of 110.7 per 1,000 people.
In August 2026 alone, 394 cases of crime and anti-social behaviour were recorded in NP12.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,366), anti-social behaviour (689) and other crime (634).
A year earlier, the recorded crime rate in NP12 was 103.8 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.
Deprivation in NP12, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so NP12 has no single figure. Of its 20 neighbourhoods with a rank:
- Decile 2: 5 neighbourhoods
- Decile 3: 2 neighbourhoods
- Decile 4: 2 neighbourhoods
- Decile 5: 1 neighbourhood
- Decile 6: 5 neighbourhoods
- Decile 9: 3 neighbourhoods
- Decile 10 (Wales’s least deprived 10%): 2 neighbourhoods
Welsh Index of Multiple Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in Wales.
Neighbourhoods in NP12
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Caerphilly 005A | 1,446 | 126.5 per 1,000 | 2 | 99.2% |
| Caerphilly 005B | 1,262 | 75.8 per 1,000 | 5 | 70.7% |
| Caerphilly 005C | 1,501 | 104.8 per 1,000 | 6 | 98.3% |
| Caerphilly 005D | 1,393 | 56.9 per 1,000 | 9 | 97.2% |
| Caerphilly 006E | 2,107 | 56.0 per 1,000 | 10 | 98.5% |
| Caerphilly 006F | 1,617 | 71.9 per 1,000 | 6 | 91.5% |
| Caerphilly 007A | 1,748 | 141.0 per 1,000 | 2 | 99.7% |
| Caerphilly 007B | 1,531 | 161.3 per 1,000 | 2 | 97.5% |
| Caerphilly 007C | 1,191 | 104.5 per 1,000 | 3 | 82.4% |
| Caerphilly 007D | 1,823 | 125.6 per 1,000 | 3 | 93.1% |
| Caerphilly 007E | 1,100 | 35.4 per 1,000 | 6 | 98.8% |
| Caerphilly 009A | 1,757 | 127.0 per 1,000 | 2 | 94.1% |
| Caerphilly 009B | 1,717 | 72.4 per 1,000 | 9 | 99.7% |
| Caerphilly 009C | 1,736 | 346.6 per 1,000 | 6 | 81.6% |
| Caerphilly 009D | 1,934 | 63.3 per 1,000 | 9 | 89.9% |
| Caerphilly 011A | 2,067 | 95.5 per 1,000 | 4 | 92.0% |
| Caerphilly 011B | 1,600 | 95.2 per 1,000 | 2 | 100.0% |
| Caerphilly 011C | 1,589 | 167.2 per 1,000 | 6 | 98.6% |
| Caerphilly 011D | 1,347 | 56.0 per 1,000 | 10 | 100.0% |
| Caerphilly 011E | 1,778 | 99.9 per 1,000 | 4 | 99.5% |
MPs for NP12
- Ruth JonesLabourMP for Newport West and Islwyn59% of NP12’s postcodes
- Chris EvansLabour (Co-op)MP for Caerphilly40% of NP12’s postcodes
- Nick SmithLabourMP for Blaenau Gwent and Rhymney0.7% of NP12’s postcodes
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Middle areas in NP124
Postcode sectors in NP126
Council1
Towns in NP122
Postcode districts next to NP127
Nearest rail stations4
More in the NP postcode area2
NP12 in brief
NP12 is a postcode district covering Blackwood and Cefn Fforest, in Caerphilly.
About 33,417 people lived in NP12 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £206,500 in 2025 across 444 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 110.7 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in NP12 was £206,500 in 2025.
NP12 had 33,274 usual residents at the census.
In NP12, 93.8% of homes and businesses could get gigabit-capable broadband in January 2026.
In NP12, 3.1% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.