You can use this Ordnance Survey tool to help pin point which ward you reside within. You’ll need to allow location sharing with the site and use the boundary tab to display ‘District Wards’ – Interactive map with Ward Boundaries (Ordnance Survey).
Another similar tool which allows you to look up your postcode – Postcode look up (MapIt.MySociety).
The following map approximately displays the boundaries and results for the last High Peak Borough Council election in May 2015. Ward boundaries Copyright © Andrew Teale. Map data Copyright © Ordnance Survey. Download this map at full size (Right click and select ‘save link as…’ or long-press on mobile and select ‘Download link’).