| Postcode | LL65 1AA | 
|---|---|
| Post Town | Holyhead | 
| Nearest station | Holyhead (1 km) | 
| Bus stops | 
                       Newry-Fawr (NE) 
Ysgol Ganradd Caergybi (NW) 
Summer Hill (E) 
British Terrace (NE) 
Hill Street Car Park (NE) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 16 View | 
| Known addresses | 
                       Derwen, Bryn Goleu Avenue, Holyhead 
                            1 Bryn Goleu Avenue, Holyhead 
                            2 Bryn Goleu Avenue, Holyhead 
                            4 Bryn Goleu Avenue, Holyhead 
                            6 Bryn Goleu Avenue, Holyhead 
                            9 Bryn Goleu Avenue, Holyhead 
                            11 Bryn Goleu Avenue, Holyhead 
                       | 
                  
| Main property type | Terraced | 
| Businesses | 
| Latitude | 53.315086 | |
|---|---|---|
| Longitude | -4.636477 | |
| Easting | 224466 | |
| Northing | 383037 | |
| Grid reference | SH244830 | |
| UTM reference | 30U 390980 5908570 | |
| what3words | seeing.nibbled.cheeses | |
| FixPhrase | crowbar lullaby send threefold | |
| Plus code | 9C5Q8987+2C | |
| Altitude | 21 metres (70 feet) | |
| Sunrise (today) | 7:24 | |
| Sunset (today) | 16:42 | |
| Distance away | ||
| Distance to sea | 0.6 KMs (0.4 miles) | 
| Parish | Holyhead | W04000870 | 
|---|---|---|
| Ward | Parc a'r Mynydd | W05001500 | 
| 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) | 34 | |
|---|---|---|
| Households (2011) | 10 | |
| Index of Multiple Deprivation (2019) | 
                     Most deprivedLeast deprived 
                   | 
                |
| Average household income (2020) | 
                       Lowest (£22,200)
                        Highest (£108,100)
                       
                     | 
                  |
| Rural/urban (2021) | Urban: Further from a major town or city | |
| Rural/urban (2011) | Urban city and town in a sparse setting | |
| Built up area (2024) | Holyhead | W45000638 | 
| Census output area (2021) | W00000183 | |
| Census output area (2011) | 8C2 | |
| Lower layer super output area (2021) | Isle of Anglesey 003G | W01000037 | 
| Lower layer super output area (2011) | Isle of Anglesey 003G | W01000037 | 
| Middle layer super output area (2021) | Holyhead | W02000003 | 
| Middle layer super output area (2011) | Holyhead | W02000003 | 
| Travel to work area | Bangor and Holyhead | W22000022 | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 1 Bryn Goleu Avenue, Holyhead | Detached (freehold) | May 2022 | £265,000 | 
| 9 Bryn Goleu Avenue, Holyhead | Terraced (freehold) | May 2021 | £150,000 | 
| 6 Bryn Goleu Avenue, Holyhead | Terraced (freehold) | Nov 2019 | £139,950 | 
| Terraced (freehold) | Mar 2005 | £107,000 | |
| 11 Bryn Goleu Avenue, Holyhead | Semi-detached (freehold) | Oct 2018 | £167,500 | 
| Semi-detached (freehold) | Jun 2011 | £135,000 | |
| Derwen, Bryn Goleu Avenue, Holyhead | Detached (freehold) | Feb 2002 | £80,000 | 
| 2 Bryn Goleu Avenue, Holyhead | Terraced (freehold) | Jun 2000 | £44,500 | 
| 4 Bryn Goleu Avenue, Holyhead | Terraced (freehold) | May 1997 | £50,000 |