| Postcode | SA8 3AX | 
|---|---|
| Post Town | Swansea | 
| Nearest station | Skewen (6 km) | 
| Bus stops | 
                       Heol Phillip (NW) 
Heol Glyndernwen (SW) 
Lon Tan-yr-Allt (SW) 
Gwyn Street (NE) 
Lon Tanyrallt Flats (NE) 
Gwyn Arms (NE) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 23 View | 
| Known addresses | 
                       1 Heol Phillip, Alltwen 
                            2 Heol Phillip, Alltwen 
                            3 Heol Phillip, Alltwen 
                            6 Heol Phillip, Alltwen 
                            8 Heol Phillip, Alltwen 
                            9 Heol Phillip, Alltwen 
                            14 Heol Phillip, Alltwen 
                            15 Heol Phillip, Alltwen 
                            16 Heol Phillip, Alltwen 
                            17 Heol Phillip, Alltwen 
                            18 Heol Phillip, Alltwen 
                            19 Heol Phillip, Alltwen 
                       | 
                  
| Main property type | Semi-detached | 
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 51.711808 | |
|---|---|---|
| Longitude | -3.85143 | |
| Easting | 272182 | |
| Northing | 203076 | |
| Grid reference | SN721030 | |
| UTM reference | 30U 441174 5729328 | |
| what3words | playing.grips.grumble | |
| FixPhrase | crinkly lunar scuff versus | |
| Plus code | 9C3RP46X+PC | |
| Altitude | 50 metres (166 feet) | |
| Sunrise (today) | 7:16 | |
| Sunset (today) | 16:44 | |
| Distance away | ||
| Distance to sea | 9.4 KMs (5.8 miles) | 
| Parish | Cilybebyll | W04000606 | 
|---|---|---|
| Ward | Allt-wen | W05001681 | 
| Unitary Authority | Neath Port Talbot | W06000012 | 
| County | West Glamorgan | W11000008 | 
| Constituency (2024) | Brecon, Radnor and Cwm Tawe | W07000085 | 
| MP | David Chadwick | Liberal Democrat | 
| Police force | South Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Neath Port Talbot | |
| NUTS/ITL 2 | Mid and South West 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) | 52 | |
|---|---|---|
| Households (2011) | 22 | |
| 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) | Alltwen | W45001044 | 
| Census output area (2021) | W00004733 | |
| Census output area (2011) | 6B2 | |
| Lower layer super output area (2021) | Neath Port Talbot 004A | W01000888 | 
| Lower layer super output area (2011) | Neath Port Talbot 004A | W01000888 | 
| Middle layer super output area (2021) | Pontardawe | W02000202 | 
| Middle layer super output area (2011) | Pontardawe | W02000202 | 
| Travel to work area | Swansea | W22000032 | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 1 Heol Phillip, Alltwen | Semi-detached (freehold) | May 2024 | £150,000 | 
| Semi-detached (freehold) | Aug 2015 | £75,000 | |
| 15 Heol Phillip, Alltwen | Semi-detached (freehold) | Dec 2022 | £152,000 | 
| Semi-detached (freehold) | Jun 2009 | £95,000 | |
| Semi-detached (freehold) | May 2003 | £55,500 | |
| Semi-detached (freehold) | Sep 2000 | £15,000 | |
| 16 Heol Phillip, Alltwen | Semi-detached (freehold) | Nov 2020 | £130,000 | 
| Semi-detached (freehold) | Nov 2019 | £67,000 | |
| 18 Heol Phillip, Alltwen | Semi-detached (freehold) | Aug 2017 | £65,000 | 
| 19 Heol Phillip, Alltwen | Semi-detached (freehold) | Jul 2016 | £85,000 | 
| 2 Heol Phillip, Alltwen | Semi-detached (freehold) | Dec 2013 | £129,000 | 
| Semi-detached (freehold) | Apr 2007 | £100,000 | |
| 3 Heol Phillip, Alltwen | Semi-detached (freehold) | Oct 2010 | £86,500 | 
| 14 Heol Phillip, Alltwen | Semi-detached (freehold) | Sep 2010 | £85,000 | 
| 6 Heol Phillip, Alltwen | Semi-detached (freehold) | Dec 2009 | £80,000 | 
| 9 Heol Phillip, Alltwen | Semi-detached (freehold) | Nov 2009 | £71,500 |