Here are the details of maps for Welwyn:
This detailed map is double-sided for maximum coverage and gives very good coverage of Welwyn.
The main map covers Welwyn Garden City as development was beginning. Features include railway with station, Digswell Junction, Hertford and Dunstable branches, Peartree Farm, Handside Green, Workmen's Camp, Cherry Tree Restaurant, Parish Council Offices, New Town Hostel, Brickwall Farm, part of Ayot Green (in top left corner), Sherrardspark Wood, etc.
On the reverse we include a large extract of sheet 28.03 showing Welwyn Village, including Lockleys, Lockleys Farm, Welwyn village centre, St Mary's church, Manor House, Wendover Lodge, etc. together with a specially written history of the area.