Jason Atherton to open 'The Betterment', a high-end all-day menu of seasonal British ingredients with a modern twist in luxury surrounds.
                
                     
                    
                    
        
                        
                    
                                  
                    
                    	
                        
                
                        KEY FACTS:
Address: 44 Grosvenor Square, London, W1
Size: 20,000 sq ft
Term: ***
Rent: ***
Consideration: NIL
                
                        
                    
                        
                    
                                    
                    
                                
                        "Dean Gambles and Co once again sourced me this unbelievable Mayfair location.”- Jason Atherton