Average GPS coordinates for postcode sw3: 51.488, -0.166

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Listing cities:
>> Chelsea SW3, London, England, GPS coordinates: 51.4876,-0.1694
>> Brompton SW3, London, England, GPS coordinates: 51.4881,-0.1647
>> Brompton Road SW3, London, England, GPS coordinates: 51.4881,-0.1647
>> Chelsea Embankment SW3, London, England, GPS coordinates: 51.4881,-0.1647