NP12 2GZ maps, stats, and open data
NP12 2GZ lies on Heolddu Road in Gelligroes, Blackwood. NP12 2GZ is located in the Pontllanfraith electoral ward, within the unitary authority of Caerphilly and the Welsh Parliamentary constituency of Islwyn. The Local Health Board is Aneurin Bevan University and the police force is Gwent. This postcode has been in use since June 1999.
NP12 2GZ maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
NP12 2GZ geodata
| Easting | 317609 |
| Northing | 194754 |
| Latitude | 51.645524 |
| Longitude | -3.192151 |
Where is NP12 2GZ?
| Street | Heolddu Road |
| Locality | Gelligroes |
| Town/City | Blackwood |
| Country | Wales |
| Postcode District | NP12 |
NP12 2GZ Elevation
Elevation or altitude of NP12 2GZ as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 140m | 459ft |
Elevation is measured from the approximate centre of the postcode, to the nearest point on an OS contour line from OS Terrain 50, which has contour spacing of ten vertical metres.
➜ How high above sea level am I? Find the elevation of your current position using your device's GPS.
Politics
| Ward | Pontllanfraith |
|---|---|
| Constituency | Islwyn |
House Prices
Sales of detached houses in NP12 2GZ
2024 14 JUN £262,500 |
2022 8 APR £225,000 |
2021 25 JUN £170,000 |
17, HEOLDDU ROAD, GELLIGROES, BLACKWOOD, NP12 2GZ 2015 31 JUL £164,950 |
3, HEOLDDU ROAD, GELLIGROES, BLACKWOOD, NP12 2GZ 2013 25 JUL £165,000 |
2013 12 JUL £165,000 |
4, HEOLDDU ROAD, GELLIGROES, BLACKWOOD, NP12 2GZ 2011 3 JUN £124,000 |
2, HEOLDDU ROAD, GELLIGROES, BLACKWOOD, NP12 2GZ 2006 20 OCT £265,000 |
2002 7 MAR £79,950 |
2, HEOLDDU ROAD, GELLIGROES, BLACKWOOD, NP12 2GZ 2000 29 SEP £100,000 |
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Transport
Nearest bus stops to NP12 2GZ
| Siloh Presbyterian Church (Heolddu Road) | Gelligroes | 23m |
| Siloh Presbyterian Church (Heolddu Road) | Gelligroes | 37m |
| Mill (Newport Road) | Gelligroes | 88m |
| Mill (Newport Road) | Gelligroes | 96m |
| Wyllie Path (Newport Road) | Gelligroes | 252m |
Nearest railway stations to NP12 2GZ
| Hengoed Station | 2.2km |
| Ystrad Mynach Station | 3.4km |
| Pengam Station | 3.8km |
Broadband
Broadband access in NP12 2GZ (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 0.0% |
| Percentage of properties with Ultrafast Broadband | 0.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in NP12 2GZ (2019 data)
Download
| Median download speed | 16.4Mbps |
| Average download speed | 14.3Mbps |
| Maximum download speed | 22.68Mbps |
Upload
| Median upload speed | 4.0Mbps |
| Average upload speed | 3.4Mbps |
| Maximum upload speed | 5.26Mbps |
Broadband limitations in NP12 2GZ (2020 data)
| Percentage of properties unable to receive 2Mbps | 0.0% |
| Percentage of properties unable to receive 5Mbps | 0.0% |
| Percentage of properties unable to receive 10Mbps | 0.0% |
| Percentage of properties unable to receive 30Mbps | 100.0% |
NP12 2GZ gas and electricity consumption
Estimated total energy consumption in NP12 2GZ by fuel type, 2015.
Gas
| Consumption (kWh) | 199,544 |
|---|---|
| Meter count | 16 |
| Mean (kWh/meter) | 12,471 |
| Median (kWh/meter) | 11,418 |
Electricity
| Consumption (kWh) | 48,127 |
|---|---|
| Meter count | 17 |
| Mean (kWh/meter) | 2,831 |
| Median (kWh/meter) | 2,421 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in NP12 2GZ, for 2015.
- Meter count: The total number of meters in NP12 2GZ.
- Mean: The mean average consumption per meter, in kWh.
- Median: The median average consumption per meter, in kWh.
Source: Postcode level electricity estimates: 2015 (experimental)
Licence: Open Government Licence
Deprivation
63.8% of Welsh postcodes are less deprived than NP12 2GZ:Food Standards Agency
Three nearest food hygiene ratings to NP12 2GZ (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to NP12 2GZ
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Bryn Road | 16:15 | 11:15 | 825m |
| Maesycymmer Post Office | 17:00 | 11:15 | 2,008m |
| Blackwood Post Office | 18:00 | 12:30 | 2,248m |
NP12 2GZ ITL and NP12 2GZ LAU
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for NP12 2GZ:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL1 | West Wales and The Valleys |
| ITL 3 Code | Name |
| TLL16 | Gwent Valleys |
| LAU 1 Code | Name |
| W06000018 | Caerphilly |
NP12 2GZ census areas
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for NP12 2GZ:
| Code | Name | |
|---|---|---|
| OA | W00007334 | |
| LSOA | W01001405 | Caerphilly 011E |
| MSOA | W02000300 | Caerphilly 011 |
Nearest postcodes to NP12 2GZ
| NP12 2HT | 60m | |
| NP12 2GP | Ger Y Felin | 63m |
| NP12 2GY | Gerddi Ty Mawr | 113m |
| NP12 2JD | 172m | |
| NP12 2JP | Marshfield Court | 201m |
| NP12 2JR | Gelli Lane | 278m |
| NP12 2JW | Newport Road | 344m |
| NP12 2JS | Overdene | 395m |
| NP12 2JT | Gelligroes Road | 490m |
| NP12 2FJ | Dan Y Bryn | 508m |
- Contains OS data © Crown copyright and database right (2026)
- Contains Royal Mail data © Royal Mail copyright and Database right (2026)
- Contains National Statistics data © Crown copyright and database right (2026)
- Data produced by Land Registry © Crown copyright (2026)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2026)
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