Building Restoration Cost in Mumbai
Structural restoration cannot be honestly fixed-priced from a visual inspection. The extent of deterioration is established by diagnostic testing, and even then the true extent is only confirmed once concrete is opened up — so a provisional quantity with a clear rate is more trustworthy than a firm lump sum.
To be confirmed
We have chosen not to publish a figure we cannot stand behind for your specific building. What follows is more useful anyway: what actually moves the number, and how to compare two quotations honestly.
What actually moves the number
In rough order of how much they typically matter.
- Diagnostic testing
- Cover, carbonation depth, chloride content and half-cell mapping. A modest cost that prevents a very expensive misdiagnosis.
- Extent of concrete removal
- Determined by the diagnostics and confirmed on opening up. Always greater than the visible damage.
- Section loss and additional reinforcement
- Only measurable once the bars are exposed.
- Propping
- Required on loaded members before removal and designed by an engineer.
- Strengthening
- Carbon wrapping or section enlargement where capacity cannot be restored by repair alone.
- Scaffolding duration
- Restoration programmes are long, and scaffolding is charged by time.
What a quotation should and should not include
Normally included
- Structural survey and diagnostic testing
- Propping to engineer's requirement
- Concrete removal behind reinforcement
- Rebar cleaning and anti-corrosive coating
- Polymer-modified repair mortar in lifts
- Anti-carbonation protective coating
Normally excluded
- Structural engineer's design fees
- Additional reinforcement where section loss exceeds the assessed allowance
- Strengthening works
- Scaffolding
- Making good of finishes and services
Warning signs in a cheap quotation
None of these prove bad faith. All of them mean the two quotations in front of you are not for the same work.
- A firm lump sum with no diagnostic testing
- Cosmetic patching proposed over visibly corroding reinforcement
- No propping allowance on loaded members
- No anti-carbonation coating after repair
- No structural engineer involved where capacity is in question
What building restoration involves
Building restoration is the structural rehabilitation of an ageing or distressed building — diagnosing why the concrete is failing, repairing it properly, and protecting it so it does not fail again. It covers RCC repair to columns, beams and slabs, rebar treatment, carbon-fibre strengthening where sections have lost capacity, facade renewal and full waterproofing. It is the discipline Atlanta applied at the Kamani Tubes Guest House in Ballard Estate, where heritage fabric had to be respected while modern engineering was introduced.
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Cost — questions we get asked
Why will you not publish a rate for this?
Because a rate quoted without seeing the building is either meaningless or misleading. The condition of the existing structure changes the number more than anything else, and it cannot be assessed over the phone. We publish what drives the cost instead, so you can interrogate any quotation — including ours.
What makes two quotations for the same job differ so much?
Almost always the invisible work. Cover, carbonation depth, chloride content and half-cell mapping. A modest cost that prevents a very expensive misdiagnosis. Beyond that, the items most often trimmed are preparation, curing time and testing — none of which are visible at handover and all of which decide whether the system lasts.
What should I check before accepting a quotation?
That it states thickness, curing period, junction and penetration detailing, and what testing is carried out before anything is covered. A quotation that omits all four is not comparable to one that states them, whatever the headline rate says.
Is the site inspection chargeable?
No. The inspection and the itemised scope that follows are free and carry no obligation. You are free to take that scope to any contractor.
Get an itemised quotation you can actually compare
An engineer visits, establishes the real condition, and gives you a rate-wise scope. A housing society committee can put it line by line to a general body meeting.
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