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: the component no longer sits level, opens or supports ordinary use as intended or a supplied item, trim or fitting is loose, incomplete, damaged or needs adjustment. Causes: local damage that does not establish a structural requirement or an incomplete assembly or a mismatched replacement component.
Agree filling, joint preparation and the painting boundary. A primed replacement can still need final decoration after fitting. Window glazing, specialist seals and rated-door certification are outside the task even where the new architrave sits beside those systems.
Measure both sides and the top and identify whether one face or both are included. A doorway may have different trim on each side. The quote should describe the actual surround instead of assuming one opening means every adjacent decorative surface.
adjust or repair a suitable existing item. fit a compatible supplied component after checking measurements and instructions. Limits: Ordinary decorative surrounds only. No structural jamb or opening modifications, specialist glazing, fire-door certification or hazardous-material disturbance.