Map of SA4 1NX postcode 
        No longer in use
    
	
  
      
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        - SA4 1 postcodes
 
      
        
          
        
        
          
          
        
        
          
        
          
            General information
            
              
                
              
              
                
                  | Postcode | 
                  
                    SA4 1NX
                    
                      
                      
                    
                   | 
                
                  
                    | Post Town
                     | 
                    Swansea | 
                  
                  
                    | Nearest station  | 
                    
                      Gowerton (5 km)
                     | 
                  
                  
                  
                    | Bus stops | 
                    
                       Penllergaer Business Park (SE) 
                     | 
                  
                
                
                  
                    | Known addresses  | 
                    
                       
                          No addresses found
                       
                     | 
                  
                
                  | Businesses | 
                  
                     
                        No businesses found
                     
                   | 
                
              
              
            
          
        
          
            Geography
            
              
              
              
                
                  | 
                    
                   | 
                  Latitude | 
                  51.67403 | 
                
                
                  | 
                    
                   | 
                  Longitude | 
                  -3.980465 | 
                
                  
                    | 
                      
                     | 
                    Easting | 
                    263154 | 
                  
                  
                    | 
                      
                     | 
                    Northing | 
                    199109 | 
                  
                  
                     | 
                    Grid reference | 
                    SS631991 | 
                  
                
                   | 
                  UTM reference | 
                  30U 432203 5725239 | 
                
                
                   | 
                  what3words | 
                  lifts.wants.clear | 
                
                
                   | 
                  FixPhrase
                    
                   | 
                  crinkle lunacy stiffen that | 
                
                  
                     | 
                    Plus code | 
                    9C3RM2F9+JR | 
                  
                
                   | 
                  Altitude | 
                  
                    75 metres (246 feet)
                   | 
                
                
                   | 
                  Sunrise (today) | 
                  7:16 | 
                
                
                   | 
                  Sunset (today) | 
                  16:45 | 
                
                
                   | 
                  Distance away | 
                   | 
                
                  
                     | 
                    Distance to sea | 
                    5.7 KMs (3.6 miles) | 
                  
              
              
            
          
        
        
            
              
              
                Administrative areas 
              
                
                  
                      | Parish | Llangyfelach | W04000967 | 
                        
                          | Ward | 
                            
                              Llangyfelach
                             | 
                            W05001051 | 
                        
                      
                        | Unitary Authority | 
                        
                          Swansea
                         | 
                        W06000011 | 
                      
                      
                      | County  | 
                        West Glamorgan | 
                        W11000008 | 
                      
                      
                        | Constituency (2024) | 
                        Gower | 
                        W07000097 | 
                      
                        | MP | Tonia Antoniazzi | Labour | 
                      | Police force | South Wales | 
                      
                        | NUTS/ITL 3 | 
                        Swansea | 
                      
                      
                        | NUTS/ITL 2 | 
                        Mid and South West Wales | 
                      
                      
                        | NUTS/ITL 1 | 
                        Wales | 
                      
                    
                      | Country | 
                      Wales | 
                    W92000004 | 
                    
                  
                  
                
              
          
    
      
        Data
        
          
              
                | Date introduced | 
                
                  December 1999
                 | 
              
              
                | Date usage ended | 
                
                  December 2001
                 | 
              
            
              | Last updated | 
              September 2025 | 
            
              
                | User type | 
                Large (addresses receive more than 25 items of mail per day) | 
              
                    
              
                | Quality | 
                Within the building of the matched address closest to the postcode mean | 
              
          
          
        
      
          
          
        
          
            Demographics
            
              
                
                  | Index of Multiple Deprivation (2019) | 
                  
                    
                     Most deprivedLeast deprived 
                   | 
                
                  
                      | Average household income (2020)  | 
                    
                      
                       Lowest (£22,200)
                        Highest (£108,100)
                       
                     | 
                  
                  | Rural/urban (2021) | Smaller rural: Nearer to a major town or city | 
                  | Rural/urban (2011) | Rural hamlet and isolated dwellings | 
                  | Built up area (2024) | Penllergaer | W45001089 | 
                  | Census output area (2021) | W00004248 |  | 
                  | Census output area (2011) | 1A2 |  | 
                  | Lower layer super output area (2021) | Swansea 004C | W01000793 | 
                  | Lower layer super output area (2011) | Swansea 004C | W01000793 | 
                  | Middle layer super output area (2021) | Llangyfelach & Tircoed | W02000171 | 
                  | Middle layer super output area (2011) | Llangyfelach & Tircoed | W02000171 | 
                  | Travel to work area | Swansea | W22000032 | 
              
              
            
         
       
        
            
              Property sales
              
                  
                Properties recently sold in this postcode
                No recent recorded sales
                View all properties sold in the SA4 1 sector
                Contains HM Land Registry data © Crown copyright and database right 2025. 
  This data is licensed under the Open Government Licence v3.0.
                
              
      
         
        
          
      
  Contains OS data © Crown copyright and database right 2025 
  Contains Royal Mail data © Royal Mail copyright and database right 2025 
  Contains National Statistics data © Crown copyright and database rights 2025 
  Source: Office for National Statistics licensed under the Open Government Licence v.3.0
  Contains data from Wikipedia covered by the Creative Commons license