Often, yes, it depends on your floor construction. For a suspended timber floor, insulation can usually be fitted from below via a cellar or crawl space, without lifting floorboards or disturbing your interior finishes.

Solid floors need insulation installed over the existing surface, which can raise the floor level slightly and may mean small adjustments to skirting, doors, or thresholds. It’s generally straightforward and makes a noticeable difference to warmth.

A professional installer will preserve or improve any existing ventilation as required by building regulations, and the work can also help your EPC rating.