| Postcode | CF37 3NU | 
|---|---|
| Post Town | Pontypridd | 
| Nearest station | Penrhiwceiber (3 km) | 
| Bus stops | Terminus (NE) Buarth y Capel (SE) Glanffrwd Terrace (NW) Glanffrwd Terrace (SE) | 
| Roads in this postcode | |
| Number of UPRNs | 35 View | 
| Known addresses | Brookwood, Rock Terrace, Ynysybwl Bryncerdyn, Rock Terrace, Ynysybwl Hillside, Rock Terrace, Ynysybwl Mira Mar, Rock Terrace, Ynysybwl 1 Rock Terrace, Ynysybwl 4 Rock Terrace, Ynysybwl 6 Rock Terrace, Ynysybwl 8 Rock Terrace, Ynysybwl 9 Rock Terrace, Ynysybwl 9A Rock Terrace, Ynysybwl 10 Rock Terrace, Ynysybwl 10A Rock Terrace, Ynysybwl 11A Rock Terrace, Ynysybwl 13 Rock Terrace, Ynysybwl 14 Rock Terrace, Ynysybwl | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 51.644877 | |
|---|---|---|
| Longitude | -3.371188 | |
| Easting | 305220 | |
| Northing | 194899 | |
| Grid reference | ST052948 | |
| UTM reference | 30U 474316 5721606 | |
| what3words | pumps.amps.lives | |
| FixPhrase | crinkle lung slogan washer | |
| Plus code | 9C3RJJVH+XG | |
| Altitude | 189 metres (619 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 24.2 KMs (15.1 miles) | 
| Parish | Ynysybwl and Coed-y-cwm | W04000711 | 
|---|---|---|
| Ward | Ynysybwl | W05001115 | 
| Unitary Authority | Rhondda Cynon Taf | W06000016 | 
| County | Mid Glamorgan | W11000005 | 
| Constituency (2024) | Pontypridd | W07000106 | 
| MP | Alex Davies-Jones | Labour | 
| Police force | South Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Central Valleys and Bridgend | |
| NUTS/ITL 2 | South East 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) | 72 | |
|---|---|---|
| Households (2011) | 29 | |
| 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) | Rural town and fringe | |
| Built up area (2024) | Ynysybwl | W45001122 | 
| Census output area (2021) | W00006727 | |
| Census output area (2011) | 8A1 | |
| Lower layer super output area (2021) | Rhondda Cynon Taf 015D | W01001283 | 
| Lower layer super output area (2011) | Rhondda Cynon Taf 015D | W01001283 | 
| Middle layer super output area (2021) | Glyn-coch & Ynys-y-bwl | W02000266 | 
| Middle layer super output area (2011) | Glyn-coch & Ynys-y-bwl | W02000266 | 
| Travel to work area | Cardiff | W22000024 | 
| Average property price in Cardiff | £221,509 | 
|---|---|
| Annual change | 2.2% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 8 Rock Terrace, Ynysybwl | Terraced (freehold) | Jun 2025 | £138,000 | 
| Terraced (freehold) | Apr 2002 | £50,000 | |
| Terraced (freehold) | Nov 1996 | £36,000 | |
| 9A Rock Terrace, Ynysybwl | Semi-detached (freehold) | May 2025 | £240,000 | 
| Semi-detached (freehold) | Dec 2020 | £167,000 | |
| Semi-detached (freehold) | Mar 2014 | £166,500 | |
| 1 Rock Terrace, Ynysybwl | Terraced (freehold) | Feb 2025 | £160,000 | 
| Terraced (freehold) | Aug 2022 | £85,000 | |
| 6 Rock Terrace, Ynysybwl | Terraced (freehold) | Mar 2024 | £147,000 | 
| Terraced (freehold) | Jan 2017 | £75,000 | |
| Terraced (freehold) | Apr 1997 | £35,000 | |
| Brookwood, Rock Terrace, Ynysybwl | Detached (freehold) | Aug 2022 | £360,000 | 
| Detached (freehold) | Oct 2020 | £265,000 | |
| 9 Rock Terrace, Ynysybwl | Terraced (freehold) | Oct 2021 | £135,000 | 
| Terraced (freehold) | Jul 2018 | £102,500 | |
| 11A Rock Terrace, Ynysybwl | Detached (freehold) | Dec 2020 | £215,000 | 
| 10 Rock Terrace, Ynysybwl | Semi-detached (freehold) | Dec 2020 | £210,000 | 
| Mira Mar, Rock Terrace, Ynysybwl | Detached (freehold) | Jul 2018 | £180,000 | 
| Bryncerdyn, Rock Terrace, Ynysybwl | Detached (freehold) | Jun 2018 | £249,000 |