The head office is located in Letchworth Garden City; the full address is Willmott Dixon Limited Spirella 2 Icknield Way Letchworth Garden City Herts SG6 4GY Telephone: 01462 671852 Facsimile: 01462 681852 GPS Coordinates: 51:58:48N 0:13:55W You can download a location map in Adobe PDF format here.  If you do not have the Adobe PDF Reader installed on your computer, you can download it from here. Company registration number: 198032 VAT registration number: GB 197 7377 96