| Postcode | CF15 9HJ | 
|---|---|
| Post Town | Cardiff | 
| Nearest station | Taffs Well (1 km) | 
| Bus stops | Primary School (N) School House (S) Glan-y-llyn Square (N) Glan-y-llyn Square (S) Taffs Well Inn (SE) Taffs Well Inn (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 90 View | 
| Known addresses | Ardwyn, Main Road, Gwaelod Y Garth Beechleigh, Main Road, Gwaelod Y Garth Bod Hedd, Main Road, Gwaelod Y Garth Bryn Awel, Main Road, Gwaelod Y Garth Cilwendeg, Main Road, Gwaelod Y Garth Cwr Y Coed, Main Road, Gwaelod Y Garth Delfryn, Main Road, Gwaelod Y Garth Ffynon Ffigys House, Main Road, Gwaelod Y Garth Green Trees, Main Road, Gwaelod Y Garth Hawthorn, Main Road, Gwaelod Y Garth Ivy Nook, Main Road, Gwaelod Y Garth Kefton House, Main Road, Gwaelod Y Garth Linden Lea Cottage, Main Road, Gwaelod Y Garth Post Office, Main Road, Gwaelod Y Garth Raymar, Main Road, Gwaelod Y Garth Rose Cottage, Main Road, Gwaelod Y Garth Salem Chapel, Main Road, Gwaelod Y Garth The Dell, Main Road, Gwaelod Y Garth The Granary, Main Road, Gwaelod Y Garth The Old Post Office, Main Road, Gwaelod Y Garth The Prospect, Main Road, Gwaelod Y Garth The White House, Main Road, Gwaelod Y Garth Tregays, Main Road, Gwaelod Y Garth Ty Isaf, Main Road, Gwaelod Y Garth Willowford House, Main Road, Gwaelod Y Garth Ysgubor Rhyd Y Helig, Gwaelod Y Garth | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.546856 | |
|---|---|---|
| Longitude | -3.27621 | |
| Easting | 311601 | |
| Northing | 183879 | |
| Grid reference | ST116838 | |
| UTM reference | 30U 480847 5710676 | |
| what3words | poem.lucky.forest | |
| FixPhrase | cringing lurch smell vitamins | |
| Plus code | 9C3RGPWF+PG | |
| Altitude | 70 metres (229 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 11.5 KMs (7.2 miles) | 
| Parish | Pentyrch | W04000855 | 
|---|---|---|
| Ward | Pentyrch and St Fagans | W05001287 | 
| Unitary Authority | Cardiff | W06000015 | 
| County | South Glamorgan | W11000007 | 
| Constituency (2024) | Cardiff West | W07000092 | 
| MP | Mr Alex Barros-Curtis | Labour | 
| Police force | South Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Cardiff and Vale of Glamorgan | |
| NUTS/ITL 2 | South East Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | June 1999 | 
|---|---|
| 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) | 106 | |
|---|---|---|
| Households (2011) | 43 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Nearer to a major town or city | |
| Rural/urban (2011) | Urban city and town | |
| Built up area (2024) | Taff's Well | W45001193 | 
| Census output area (2021) | W00009375 | |
| Census output area (2011) | 5A1 | |
| Lower layer super output area (2021) | Cardiff 006A | W01001820 | 
| Lower layer super output area (2011) | Cardiff 006A | W01001820 | 
| Middle layer super output area (2021) | Radyr, Morganstown & Gwaelod-y-garth | W02000372 | 
| Middle layer super output area (2011) | Radyr, Morganstown & Gwaelod-y-garth | W02000372 | 
| Travel to work area | Cardiff | W22000024 | 
| Average property price in Cardiff | £221,509 | 
|---|---|
| Annual change | 2.2% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Ty Isaf, Main Road, Gwaelod Y Garth | Detached (freehold) | Oct 2024 | £387,500 | 
| Detached (freehold) | Apr 2005 | £150,000 | |
| Hawthorn, Main Road, Gwaelod Y Garth | Detached (freehold) | Jul 2022 | £420,000 | 
| Salem Chapel, Main Road, Gwaelod Y Garth | Detached (freehold) | May 2022 | £675,000 | 
| Detached (freehold) | Feb 2005 | £350,000 | |
| Willowford House, Main Road, Gwaelod Y Garth | Other (freehold) | Oct 2021 | £550,000 | 
| Detached (freehold) | Jun 2003 | £157,000 | |
| The Old Post Office, Main Road, Gwaelod Y Garth | Semi-detached (freehold) | Jan 2021 | £455,000 | 
| Bryn Awel, Main Road, Gwaelod Y Garth | Detached (freehold) | Nov 2020 | £477,000 | 
| Detached (freehold) | Dec 2000 | £182,500 | |
| Cilwendeg, Main Road, Gwaelod Y Garth | Detached (freehold) | Jan 2020 | £450,000 | 
| Detached (freehold) | Feb 2012 | £355,000 | |
| The Granary, Main Road, Gwaelod Y Garth | Detached (freehold) | Jan 2020 | £282,000 | 
| Detached (freehold) | Nov 2017 | £257,000 | |
| Detached (freehold) | Nov 2003 | £175,000 | |
| Detached (freehold) | Apr 1997 | £70,000 | |
| Delfryn, Main Road, Gwaelod Y Garth | Semi-detached (freehold) | Sep 2019 | £300,000 | 
| Semi-detached (freehold) | Aug 2015 | £265,000 | |
| Semi-detached (freehold) | Jan 2000 | £84,000 | |
| Ffynon Ffigys House, Main Road, Gwaelod Y Garth | Detached (freehold) | May 2019 | £430,000 |