| Postcode | LL68 0PF | 
|---|---|
| Post Town | Amlwch | 
| Nearest station | Valley (13 km) | 
| Bus stops | Post Office (S) | 
| Number of UPRNs | 14 View | 
| Known addresses | Bonc, Carreglefn Hen Bont, Carreglefn Isallt, Carreglefn Isfryn, Carreglefn Isgraig, Carreglefn Pen Y Graig, Carreglefn Rhosyn Mon, Carreglefn Ty Newydd, Carreglefn | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 53.373715 | |
|---|---|---|
| Longitude | -4.432276 | |
| Easting | 238289 | |
| Northing | 389075 | |
| Grid reference | SH382890 | |
| UTM reference | 30U 404714 5914800 | |
| what3words | panic.ruins.riverbed | |
| FixPhrase | crowbar luminance sterling upheld | |
| Plus code | 9C5Q9HF9+F3 | |
| Altitude | 78 metres (257 feet) | |
| Sunrise (today) | 7:15 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 5.7 KMs (3.5 miles) | 
| Parish | Mechell | W04000029 | 
|---|---|---|
| Ward | Talybolion | W05001502 | 
| Unitary Authority | Isle of Anglesey | W06000001 | 
| County | Gwynedd | W11000004 | 
| Constituency (2024) | Ynys Môn | W07000112 | 
| MP | Llinos Medi | Plaid Cymru | 
| Police force | North Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Isle of Anglesey | |
| NUTS/ITL 2 | North Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | January 1980 | 
|---|---|
| Last updated | September 2025 | 
| User type | Small (addresses receive less than 25 items of mail per day) | 
| Quality | Within the building of the matched address closest to the postcode mean | 
| Population (2011) | 13 | |
|---|---|---|
| Households (2011) | 6 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Smaller rural: Further from a major town or city | |
| Rural/urban (2011) | Rural village in a sparse setting | |
| Census output area (2021) | W00000157 | |
| Census output area (2011) | 1B3 | |
| Lower layer super output area (2021) | Isle of Anglesey 001E | W01000031 | 
| Lower layer super output area (2011) | Isle of Anglesey 001E | W01000031 | 
| Middle layer super output area (2021) | Amlwch & Llannerch-y-medd | W02000001 | 
| Middle layer super output area (2011) | Amlwch & Llannerch-y-medd | W02000001 | 
| Travel to work area | Bangor and Holyhead | W22000022 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Rhosyn Mon, Carreglefn | Detached (freehold) | Dec 2022 | £365,000 | 
| Detached (freehold) | Nov 2002 | £119,000 | |
| Bonc, Carreglefn | Other (freehold) | Jul 2021 | £153,000 | 
| Isallt, Carreglefn | Terraced (freehold) | Nov 2019 | £63,000 | 
| Terraced (freehold) | Jul 2017 | £58,000 | |
| Terraced (freehold) | Apr 2004 | £47,500 | |
| Terraced (freehold) | Sep 2002 | £26,000 | |
| Pen Y Graig, Carreglefn | Other (freehold) | Aug 2018 | £272,500 | 
| Isfryn, Carreglefn | Terraced (freehold) | Oct 2011 | £58,000 | 
| Terraced (freehold) | Apr 1998 | £15,000 | |
| Ty Newydd, Carreglefn | Semi-detached (freehold) | Aug 2002 | £23,000 | 
| Isgraig, Carreglefn | Terraced (freehold) | Dec 2000 | £26,500 | 
| Hen Bont, Carreglefn | Semi-detached (freehold) | Jul 1998 | £15,000 |