| Postcode | CF45 3DJ | 
|---|---|
| Post Town | Mountain Ash | 
| Nearest station | Penrhiwceiber (1 km) | 
| Bus stops | Post Office (E) Perthcelyn Stores (N) Perthcelyn Stores (S) Woodfield Terrace (SE) Park Hotel (NW) Infants School (SE) | 
| Roads in this postcode | |
| Number of UPRNs | 71 View | 
| Known addresses | Perthcelyn Food Market, Brynheulog, Mountain Ash Valley View, Brynheulog, Mountain Ash 58 Brynheulog, Mountain Ash 63 Brynheulog, Mountain Ash 64 Brynheulog, Mountain Ash 65 Brynheulog, Mountain Ash 66 Brynheulog, Mountain Ash 67 Brynheulog, Mountain Ash 70 Brynheulog, Mountain Ash 72 Brynheulog, Mountain Ash 78 Brynheulog, Mountain Ash 79 Brynheulog, Mountain Ash 83 Brynheulog, Mountain Ash 90 Brynheulog, Mountain Ash 97 Brynheulog, Mountain Ash 101 Brynheulog, Mountain Ash 107 Brynheulog, Mountain Ash | 
| Main property type | Semi-detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.668763 | |
|---|---|---|
| Longitude | -3.370159 | |
| Easting | 305341 | |
| Northing | 197554 | |
| Grid reference | ST053975 | |
| UTM reference | 30U 474401 5724262 | |
| what3words | marathon.typed.evoked | |
| FixPhrase | crinkle lung stapling vibes | |
| Plus code | 9C3RMJ9H+GW | |
| Altitude | 245 metres (802 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 26.3 KMs (16.3 miles) | 
| Parish | Penrhiwceiber | W04000694 | 
|---|---|---|
| Ward | Penrhiw-ceibr | W05001093 | 
| 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) | 127 | |
|---|---|---|
| Households (2011) | 49 | |
| 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) | Mountain Ash | W45001094 | 
| Census output area (2021) | W00006375 | |
| Census output area (2011) | 8D1 | |
| Lower layer super output area (2021) | Rhondda Cynon Taf 008A | W01001209 | 
| Lower layer super output area (2011) | Rhondda Cynon Taf 008A | W01001209 | 
| Middle layer super output area (2021) | Penrhiw-ceibr | W02000259 | 
| Middle layer super output area (2011) | Penrhiw-ceibr | W02000259 | 
| Travel to work area | Merthyr Tydfil | W22000029 | 
| Average property price in Cardiff | £221,509 | 
|---|---|
| Annual change | 2.2% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 58 Brynheulog, Mountain Ash | Semi-detached (freehold) | Mar 2025 | £105,000 | 
| 70 Brynheulog, Mountain Ash | Semi-detached (freehold) | Aug 2024 | £138,000 | 
| Semi-detached (freehold) | Oct 2022 | £134,995 | |
| Semi-detached (freehold) | Jun 2021 | £105,000 | |
| Semi-detached (freehold) | Jul 2020 | £60,100 | |
| Semi-detached (freehold) | Sep 2007 | £60,000 | |
| Semi-detached (freehold) | May 2007 | £50,000 | |
| Semi-detached (freehold) | Jan 2002 | £20,000 | |
| 79 Brynheulog, Mountain Ash | Semi-detached (freehold) | Jul 2024 | £105,000 | 
| 78 Brynheulog, Mountain Ash | Semi-detached (freehold) | Oct 2023 | £81,000 | 
| Semi-detached (freehold) | Mar 2003 | £31,000 | |
| Semi-detached (freehold) | Aug 2002 | £21,000 | |
| 63 Brynheulog, Mountain Ash | Semi-detached (freehold) | Oct 2023 | £95,000 | 
| 66 Brynheulog, Mountain Ash | Semi-detached (freehold) | Apr 2023 | £72,500 | 
| 107 Brynheulog, Mountain Ash | Flat (leasehold) | Jan 2023 | £70,000 | 
| Flat (leasehold) | Nov 2018 | £41,000 | |
| 83 Brynheulog, Mountain Ash | Terraced (freehold) | Jun 2022 | £103,000 | 
| Terraced (freehold) | Aug 1998 | £27,000 | |
| Perthcelyn Food Market, Brynheulog, Mountain Ash | Other (freehold) | Jan 2022 | £10,000 | 
| Detached (leasehold) | Feb 2000 | £51,000 | |
| 97 Brynheulog, Mountain Ash | Semi-detached (freehold) | Sep 2020 | £50,000 |