| Postcode | CF15 7LL | 
|---|---|
| Post Town | Cardiff | 
| Nearest station | Taffs Well (1 km) | 
| Bus stops | Bute Street (NW) Lewis Arms (NE) Castell Coch View (N) Castell Coch View (SW) St Michael`s Close (SE) Iron Bridge (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 11 View | 
| Known addresses | 1 Birch Hill, Tongwynlais 7 Birch Hill, Tongwynlais 8 Birch Hill, Tongwynlais | 
| Main property type | Detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.533135 | |
|---|---|---|
| Longitude | -3.253624 | |
| Easting | 313141 | |
| Northing | 182326 | |
| Grid reference | ST131823 | |
| UTM reference | 30U 482408 5709144 | |
| what3words | match.dozen.frames | |
| FixPhrase | cringing lurch singing tightly | |
| Plus code | 9C3RGPMW+7H | |
| Altitude | 48 metres (157 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 9.4 KMs (5.8 miles) | 
| Parish | Tongwynlais | W04000864 | 
|---|---|---|
| Ward | Whitchurch and Tongwynlais | W05001297 | 
| Unitary Authority | Cardiff | W06000015 | 
| County | South Glamorgan | W11000007 | 
| Constituency (2024) | Cardiff North | W07000090 | 
| MP | Anna McMorrin | 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) | 23 | |
|---|---|---|
| Households (2011) | 9 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Larger rural: Nearer to a major town or city | |
| Rural/urban (2011) | Urban city and town | |
| Built up area (2024) | Tongwynlais | W45001199 | 
| Census output area (2021) | W00009717 | |
| Census output area (2011) | 5A1 | |
| Lower layer super output area (2021) | Cardiff 010B | W01001893 | 
| Lower layer super output area (2011) | Cardiff 010B | W01001893 | 
| Middle layer super output area (2021) | Tongwynlais & Coryton | W02000376 | 
| Middle layer super output area (2011) | Tongwynlais & Coryton | W02000376 | 
| Travel to work area | Cardiff | W22000024 | 
| Average property price in Cardiff | £221,509 | 
|---|---|
| Annual change | 2.2% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 1 Birch Hill, Tongwynlais | Terraced (freehold) | Apr 2022 | £384,950 | 
| Terraced (freehold) | Jun 2006 | £185,000 | |
| 7 Birch Hill, Tongwynlais | Detached (freehold) | Feb 2021 | £450,000 | 
| 8 Birch Hill, Tongwynlais | Semi-detached (freehold) | Jul 2007 | £235,000 |