CF23 8LG maps, stats, and open data

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CF23 8LG lies on Clos Nant Y Cwm in Pontprennau, Cardiff. CF23 8LG is located in the Pontprennau and Old St Mellons electoral ward, within the unitary authority of Cardiff and the Welsh Parliamentary constituency of Cardiff North. The Local Health Board is Cardiff and Vale University and the police force is South Wales. This postcode has been in use since June 1999.

CF23 8LG maps

CF23 8LG map - OS OpenMap – Local (Ordnance Survey)
CF23 8LG map - OS VectorMap District (Ordnance Survey)

GetTheData
Source: OS OpenMap – Local (Ordnance Survey)
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)

CF23 8LG geodata

Easting320636
Northing182417
Latitude51.535057
Longitude-3.145619

GetTheData
Source: Open Postcode Geo
Licence: Open Government Licence

Where is CF23 8LG?

StreetClos Nant Y Cwm
LocalityPontprennau
Town/CityCardiff
CountryWales
Postcode DistrictCF23

➜ See where CF23 is on a map
➜ Where is Cardiff?

CF23 8LG Elevation

Elevation or altitude of CF23 8LG as distance above sea level:

MetresFeet
Elevation60m197ft

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

WardPontprennau And Old St Mellons
ConstituencyCardiff North

House Prices

Sales of detached houses in CF23 8LG

2021
29 JAN
£276,000
2018
20 MAR
£137,500
2014
6 AUG
£285,000
2010
5 MAR
£246,000
13, CLOS NANT Y CWM, PONTPRENNAU, CARDIFF, CF23 8LG
2007
14 DEC
£163,750
2007
14 SEP
£235,000
29, CLOS NANT Y CWM, PONTPRENNAU, CARDIFF, CF23 8LG
2006
6 OCT
£218,000
2004
21 MAY
£189,950
3, CLOS NANT Y CWM, PONTPRENNAU, CARDIFF, CF23 8LG
2002
11 OCT
£144,000
29, CLOS NANT Y CWM, PONTPRENNAU, CARDIFF, CF23 8LG
2002
28 AUG
£125,000

➜ Cardiff house prices

GetTheData
Source: HM Land Registry Price Paid Data
Licence: Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.

Transport

Nearest bus stops to CF23 8LG

Clos Cwm Du (Heol Glandulais)Pontprennau87m
Clos Cwm Du (Heol Glandulais)Pontprennau151m
Community Centre (Heol Pontprennau)Pontprennau226m
Community Centre (Heol Pontprennau)Pontprennau247m
Sindercombe Cl (Heol Glandulais)Pontprennau253m

Nearest railway stations to CF23 8LG

Llanishen Station2.5km
Lisvane & Thornhill Station3km
Heath High Level Station3.2km

GetTheData
Source: NaPTAN
Licence: Open Government Licence

Broadband

Broadband access in CF23 8LG (2020 data)

Percentage of properties with Next Generation Access100.0%
Percentage of properties with Superfast Broadband100.0%
Percentage of properties with Ultrafast Broadband0.0%
Percentage of properties with Full Fibre Broadband0.0%

Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps

Broadband speed in CF23 8LG (2019 data)

Download

Median download speed40.0Mbps
Average download speed42.8Mbps
Maximum download speed80.00Mbps

Upload

Median upload speed9.8Mbps
Average upload speed9.7Mbps
Maximum upload speed20.00Mbps

Broadband limitations in CF23 8LG (2020 data)

Percentage of properties unable to receive 2Mbps0.0%
Percentage of properties unable to receive 5Mbps0.0%
Percentage of properties unable to receive 10Mbps0.0%
Percentage of properties unable to receive 30Mbps0.0%

GetTheData
Source: Ofcom
Licence: Ofcom Terms of Use (requires attribution)

CF23 8LG gas and electricity consumption

Estimated total energy consumption in CF23 8LG by fuel type, 2015.

Gas

Consumption (kWh)301,965
Meter count26
Mean (kWh/meter)11,614
Median (kWh/meter)10,522

Electricity

Consumption (kWh)103,809
Meter count25
Mean (kWh/meter)4,152
Median (kWh/meter)3,352

Deprivation

10% of Welsh postcodes are less deprived than CF23 8LG:

Food Standards Agency

Three nearest food hygiene ratings to CF23 8LG (metres)

Cocoa And Marmalade
Food Hygiene Rating: 5 (Very Good)
3 Maes Brith Y Garn
203m
Clare Barrett - Childminding
Food Hygiene Rating: Exempt
3 The Farthings
417m
Spire Cardiff Hospital
Food Hygiene Rating: 5 (Very Good)
Spire Healthcare Limited Spire Cardiff Hospital Croescadarn Road
493m

➜ Get more ratings from the Food Standards Agency

Nearest post box to CF23 8LG

 Last Collection 
LocationMon-FriSatDistance
Llandennis Avennue17:3012:30764m
Bryn Celyn17:3011:301,520m
Ball Road17:1511:001,675m

CF23 8LG ITL and CF23 8LG 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 CF23 8LG:

ITL 1 CodeName
TLLWales
ITL 2 CodeName
TLL2East Wales
ITL 3 CodeName
TLL22Cardiff and Vale of Glamorgan
LAU 1 CodeName
W06000015Cardiff

CF23 8LG 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 CF23 8LG:

CodeName
OAW00009488
LSOAW01001841Cardiff 003A
MSOAW02000369Cardiff 003

Nearest postcodes to CF23 8LG

CF23 8LEClos Cwm Du57m
CF23 8GWMaes Y Wennol88m
CF23 8QDGelli Fron Goch126m
CF23 8NDClos Nant Coslech129m
CF23 8LHClos Gwy144m
CF23 8NAClos Nant Mwlan150m
CF23 8QBHeol Ty Ffynnon155m
CF23 8LJMaes Yr Hedydd161m
CF23 8NFEvenwood Close176m
CF23 8NBClos Nant Glaswg198m