Suitable fixings depend on the sound wall and trim material. Hidden services and uncertain substrate need care before drilling. This ordinary decorative task does not include structural wall repairs or permission to attach trim wherever a fixing happens to hold.
Measure each complete run and identify door breaks, returns and short sections. This service concerns replacing ordinary runs, while an isolated small damaged spot may suit existing skirting repair. A clear take-off avoids treating a room fit as a series of unrelated patch jobs.
Old adhesive, nails and paint can affect removal and surrounding finishes. Show the condition before work is agreed. Some local making-good may need separate scope; replacing a run should not be sold as guaranteed damage-free removal from every existing wall.
Remove the agreed decorative runs, fit compatible replacement skirting with suitable joints and fixings, and prepare the agreed finish. Scope limits: Complete ordinary decorative runs only. No structural wall work, hazardous materials, concealed-service alterations or repair of underlying floor movement.