| Postcode | CF45 4UH | 
|---|---|
| Post Town | Mountain Ash | 
| Nearest station | Abercynon (1 km) | 
| Bus stops | Glancynon (S) Glancynon (N) Ty Trevithick (NE) Imperial (S) Ty Trevithick (SW) Imperial (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 54 View | 
| Known addresses | Cheriton, Lock Street, Abercynon Highcroft, Lock Street, Abercynon Trenance, Lock Street, Abercynon 8 Lock Street, Abercynon 12 Lock Street, Abercynon 14 Lock Street, Abercynon 16 Lock Street, Abercynon 22 Lock Street, Abercynon 30 Lock Street, Abercynon 32 Lock Street, Abercynon 38 Lock Street, Abercynon 40 Lock Street, Abercynon 42 Lock Street, Abercynon 44 Lock Street, Abercynon 46 Lock Street, Abercynon 50 Lock Street, Abercynon 52 Lock Street, Abercynon 54 Lock Street, Abercynon 55 Lock Street, Abercynon 56 Lock Street, Abercynon 57 Lock Street, Abercynon 58 Lock Street, Abercynon 59 Lock Street, Abercynon 61 Lock Street, Abercynon 62 Lock Street, Abercynon 65 Lock Street, Abercynon 66 Lock Street, Abercynon 71 Lock Street, Abercynon 73 Lock Street, Abercynon 82 Lock Street, Abercynon | 
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.649355 | |
|---|---|---|
| Longitude | -3.321051 | |
| Easting | 308698 | |
| Northing | 195333 | |
| Grid reference | ST086953 | |
| UTM reference | 30U 477787 5722088 | |
| what3words | napkins.strumming.verve | |
| FixPhrase | crinkle lung snide uneven | |
| Plus code | 9C3RJMXH+PH | |
| Altitude | 111 metres (363 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 22.5 KMs (14 miles) | 
| Parish | Abercynon | W04000678 | 
|---|---|---|
| Ward | Abercynon | W05001072 | 
| 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) | 105 | |
|---|---|---|
| Households (2011) | 47 | |
| 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) | Rural town and fringe | |
| Built up area (2024) | Abercynon | W45001111 | 
| Census output area (2021) | W00006030 | |
| Census output area (2011) | 6B2 | |
| Lower layer super output area (2021) | Rhondda Cynon Taf 012D | W01001146 | 
| Lower layer super output area (2011) | Rhondda Cynon Taf 012D | W01001146 | 
| Middle layer super output area (2021) | Abercynon | W02000263 | 
| Middle layer super output area (2011) | Abercynon | W02000263 | 
| Travel to work area | Merthyr Tydfil | W22000029 | 
| Average property price in Cardiff | £221,509 | 
|---|---|
| Annual change | 2.2% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 44 Lock Street, Abercynon | Semi-detached (freehold) | Oct 2024 | £155,000 | 
| 16 Lock Street, Abercynon | Terraced (freehold) | Jul 2024 | £135,000 | 
| 59 Lock Street, Abercynon | Terraced (freehold) | Jul 2023 | £152,500 | 
| Terraced (freehold) | Aug 2016 | £127,000 | |
| Terraced (freehold) | Apr 2007 | £75,000 | |
| Cheriton, Lock Street, Abercynon | Detached (freehold) | Jun 2023 | £260,000 | 
| 56 Lock Street, Abercynon | Semi-detached (freehold) | Oct 2022 | £140,000 | 
| Semi-detached (freehold) | Jul 2004 | £87,500 | |
| Semi-detached (freehold) | May 1998 | £47,000 | |
| Semi-detached (freehold) | Mar 1995 | £42,000 | |
| 30 Lock Street, Abercynon | Semi-detached (freehold) | Nov 2018 | £115,000 | 
| Semi-detached (freehold) | Nov 2012 | £68,000 | |
| Terraced (freehold) | Apr 2009 | £40,000 | |
| 42 Lock Street, Abercynon | Semi-detached (freehold) | Oct 2017 | £107,500 | 
| 66 Lock Street, Abercynon | Semi-detached (freehold) | Sep 2017 | £82,500 | 
| 12 Lock Street, Abercynon | Terraced (freehold) | Jan 2016 | £129,000 | 
| Semi-detached (freehold) | Apr 2015 | £60,000 | |
| Highcroft, Lock Street, Abercynon | Detached (freehold) | May 2015 | £150,000 | 
| Detached (freehold) | Jun 2006 | £149,995 |