A practical architrave replacement decision starts with the affected item, its condition and the surrounding materials. Replace the accepted ordinary decorative surround with suitable joints and fixings, leaving the agreed preparation for finishing.
Signs: a supplied item, trim or fitting is loose, incomplete, damaged or needs adjustment or a practical repair or compatible installation needs a clear product and access review. Causes: local damage that does not establish a structural requirement or an incomplete assembly or a mismatched replacement component.
Existing paint, adhesive and fasteners affect how the old surround can be removed. Some surrounding making-good may be needed. The service should not promise damage-free removal from every finish, and any unexpected deterioration needs discussion before the opening is covered again.
The visible reveal between trim and frame needs an agreed consistent position. Existing irregularities can affect the result. Replacing decorative material does not authorise reshaping the structural opening or hiding a frame condition that needs separate repair.
Complete separately agreed paint after preparation dries. Decorative trim replacement does not correct structural frame movement. Limits: Ordinary decorative surrounds only. No structural jamb or opening modifications, specialist glazing, fire-door certification or hazardous-material disturbance.