How Much Does It Cost to Repair Cracked Plaster?
£100 – £450
per job
Repairing cracked plaster costs between £100 and £450 depending on the number and size of cracks, the cause of the cracking, and whether just a fill-and-skim repair is needed or a larger section of plaster needs to be replaced. Fine hairline cracks are usually cosmetic; wide, recurring, or diagonal cracks can indicate movement or structural issues that need investigating first.
Average cost
£100 – £450
per job
Prices vary by region, property type and tradesperson. Always get at least two quotes.
What affects the price?
Number and size of cracks - a few hairline cracks cost £100-£200 to repair; multiple wide cracks across several walls costs £300-£450
Cause of cracking - settlement cracks are cosmetic; cracks caused by damp, structural movement, or thermal cycling need the root cause addressing first
Repair method - hairline cracks can be filled and sanded; wider cracks need cutting out, bonding, and re-skimming
Decoration required - after plaster repairs, the patched area or full wall needs repainting to blend in
Labour vs materials
A plasterer can repair minor cracking in two to four hours. Labour accounts for 70-80% of the total cost; filler, bonding coat, and finishing plaster add £15-£40.
Repair or replace?
If cracks are recurring despite previous repairs, or if they are wide enough to insert a coin, a structural survey is recommended before spending money on cosmetic repairs. Repeated cracking without addressing the root cause wastes money.
Questions to ask your tradesperson
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