Design before specification
Start with the architecture, not a door floating on white.
A door looks different beside red brick, Bristol stone, render or modern anthracite windows. These scenes help you judge proportion and character first. The close specification—model, colour, glass, frame, opening direction, furniture and threshold—is then confirmed for the actual opening.
Use the filters to narrow the collection. Modern designs suit clean lines and larger contemporary glazing; traditional designs work naturally with period proportions; practical designs give special attention to privacy, rear access or split stable-door operation.