Town Plans of Portsmouth

Detailed maps of Portsmouth over time, showing the development of the town. See also Ordnance Survey maps for developments after 1840.

• Browse Early Town Plans using a graphic index

Select the town plan you wish to view:

• 1861-65 - ORDNANCE SURVEY - 1:500 Large Scale Town Plan
• 1945-50 - ORDNANCE SURVEY - 1:1,250 Air Photo Mosaics - 128 sheets