Rising Damp Treatment Cost Calculator
Estimate the cost of rising damp treatment. The scale of the job and how easy the site is to access are the main cost drivers, along with any making-good afterwards.
Your rising damp treatment details
Above the typical range — usually premium options or a more complex job.
Treating rising damp usually means injecting a chemical damp-proof course and replacing the salt-contaminated render, the re-rendering is a big part of the cost. Fix the cause too (drainage, high garden beds against the wall), or it returns.
💰 Ways to save
- Get at least two or three quotes, trade rates and mark-ups vary widely.
- Clear and prepare the area yourself where you safely can, you are paying tradie rates for any time spent shifting your gear.
- Bundle related jobs into one visit so you pay the call-out and setup once.
or from $25/week over 5 years , indicative finance
How we estimate this
Rising damp treatment in Australia typically costs around $200 to $350 per metre of wall in 2026 for a chemical damp-proof course, so one room is roughly $2,000 to $4,000 and a whole house $6,000 to $12,000, plus re-rendering.
Pricing reviewed: November 2026.
Doing more than just rising damp treatment?
Build a combined estimate across every part of your project in one place.
Pricing reviewed November 2026. Indicative Australian costs, not a quote.
Understanding rising damp treatment costs in Australia
Rising damp treatment in Australia typically costs around $200 to $350 per metre of wall in 2026 for a chemical damp-proof course, so one room is roughly $2,000 to $4,000 and a whole house $6,000 to $12,000, plus re-rendering.
Rising damp is treated by injecting a chemical damp-proof course into the wall base and replacing the salt-damaged render. It is priced by the metre of wall, and fixing the external cause (drainage, garden beds) is essential or it returns.
Frequently asked questions
How much does rising damp treatment cost in Australia?
Roughly $200 to $350 per metre of wall in 2026, so about $2,000 to $4,000 for one room and $6,000 to $12,000 for a whole house, plus re-rendering the affected walls.
What causes rising damp to come back?
An external cause left unfixed, such as poor drainage, garden beds or paths built up against the wall, or a failed damp course elsewhere. Treating the wall without fixing the cause lets the damp return.
Are you a tradesperson / contractor?
Everyone on this page is working out what rising damp treatment costs because they are ready to hire. Put your business right beneath the calculator, in your state, so you are who they find. From $50/mo.