He has his eye on plots in Hackney and Shoreditch, and is taking in leases on the properties around Austin Friars, which he intends to enfold in his building plans; and then, build a big wall around the lot. He has surveys to hand of a manor in Bedfordshire, one in Lincolnshire, and two Essex properties he intends to put in trust for Gregory.
— Wolf Hall by Hilary Mantel
What is the meaning of "hand" here?