| Postcode | LL57 4SY | 
|---|---|
| Post Town | Bangor | 
| Nearest station | Bangor (Gwynedd) (1 km) | 
| Bus stops | Bryn Llwyd (NE) Home Bargains (SW) Home Bargains (NE) Trehwfa (NW) Tan y Graig (SW) Ainon Road (NE) | 
| Roads in this postcode | |
| Number of UPRNs | 4 View | 
| Known addresses | 4 Bryn Heulog Terrace, Bangor 5 Bryn Heulog Terrace, Bangor 6 Bryn Heulog Terrace, Bangor 7 Bryn Heulog Terrace, Bangor | 
| Main property type | Terraced | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 53.214405 | |
|---|---|---|
| Longitude | -4.142353 | |
| Easting | 257042 | |
| Northing | 370737 | |
| Grid reference | SH570707 | |
| UTM reference | 30U 423718 5896730 | |
| what3words | terminal.occupiers.scowls | |
| FixPhrase | crouton lumping self unearth | |
| Plus code | 9C5Q6V75+Q3 | |
| Altitude | 50 metres (164 feet) | |
| Sunrise (today) | 7:14 | |
| Sunset (today) | 16:48 | |
| Distance away | ||
| Distance to sea | 1.3 KMs (0.8 miles) | 
| Parish | Bangor | W04000046 | 
|---|---|---|
| Ward | Dewi | W05001527 | 
| Unitary Authority | Gwynedd | W06000002 | 
| County | Gwynedd | W11000004 | 
| Constituency (2024) | Bangor Aberconwy | W07000083 | 
| MP | Claire Hughes | Labour | 
| Police force | North Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Gwynedd | |
| 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) | 4 | |
|---|---|---|
| Households (2011) | 3 | |
| 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 | |
| Built up area (2024) | Bangor | W45000697 | 
| Census output area (2021) | W00000329 | |
| Census output area (2011) | 8C1 | |
| Lower layer super output area (2021) | Gwynedd 002A | W01000064 | 
| Lower layer super output area (2011) | Gwynedd 002A | W01000064 | 
| Middle layer super output area (2021) | Bangor South | W02000011 | 
| Middle layer super output area (2011) | Bangor South | W02000011 | 
| Travel to work area | Bangor and Holyhead | W22000022 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 7 Bryn Heulog Terrace, Bangor | Terraced (freehold) | Apr 2022 | £115,000 | 
| Terraced (freehold) | Oct 2012 | £130,000 | |
| Terraced (freehold) | Feb 2005 | £50,000 | |
| 5 Bryn Heulog Terrace, Bangor | Terraced (freehold) | Dec 2012 | £87,500 | 
| 6 Bryn Heulog Terrace, Bangor | Terraced (freehold) | Oct 2006 | £105,000 | 
| Terraced (freehold) | Oct 1999 | £30,000 | |
| Terraced (freehold) | Sep 1996 | £32,150 | |
| 4 Bryn Heulog Terrace, Bangor | Terraced (freehold) | May 2001 | £38,750 | 
| Terraced (freehold) | Apr 1996 | £12,000 |