The UK Sofa Fit Calculator: Will It Get Through Your Door?
The measurement that decides whether a sofa can be delivered is diagonal depth, not length, and in this 2026 analysis Furniture in Fashion explains why so many British deliveries fail at the half landing rather than the front door. The report sets out the four measurements to take before ordering, in the order the sofa will travel them, and reads them against the housing that causes the trouble: narrow terraced hallways with a tight turn at the foot of the stairs, communal stairwells that reverse at each half landing, and lift cars too shallow to take a frame stood upright. It explains why two sofas of the same seat count can behave completely differently on the same route, why removing a door leaf recovers a decisive 40mm to 50mm, and when a modular design is the only sensible specification. A clearance table covers every access point from front door to lift car with the practical remedy for each....