Fort Green Mill is a tower mill at Aldeburgh, Suffolk, England which has been converted to residential accommodation.Fort Green Mill was built in 1824.It had four patent sails and the domed cap was winded by a fantail.[4] A photograph of the working mill (above) shows that the sails were double patents carried on a cast-iron windshaft and the fantail had six blades.There is an inscription in Danish, formerly above one of the doors, now on a wall, "Herren skal bevare din udgang og din indgang".