Additional Floor Construction in Besant Nagar
If you are planning additional floor construction in Besant Nagar, the first question is not finish level. It is whether your existing structure can safely take another floor in a coastal zone where steel and concrete need proper protection.
We check the building first, not the brochure idea. That means the columns, footing size, soil condition, current cracks, and the paper trail for approvals. Besant Nagar has its own coastal exposure, and that changes the way we design, detail, and supervise the work.
What changes on a coastal plot
Besant Nagar is not a place where you can treat structural additions like a routine extra slab. Salt-laden air reaches the reinforcement if the cover, concrete quality, curing, and exterior protection are careless. In older homes, we also see terrace slabs that were never detailed for future loading, so the temptation to add a floor first and check later is the wrong order.
The practical issue is not just strength. It is durability. A building near the sea can stand for years and still start showing rust stains, spalling, and damp patches if the reinforcement is too close to the surface or if the terrace waterproofing was treated as a paint job. That is why we look at the whole path from foundation to roof, not only the visible terrace.
On a plot like this, access also matters. Concrete pumping, debris removal, and material stacking all need planning because the street can be tight and the neighbour line is close. You do not want reinforcement bundles, shuttering timber, and sand all sitting in a way that blocks the site for a week.
Can your existing house take another floor?
Not every house should get an additional floor. If the structure was built with limited reserve capacity, if the soil report is missing, or if the existing columns are undersized, adding load may be the wrong call. A strengthening scheme can help in some cases, but it has to be checked on paper and on site before anyone talks about slab thickness or room layouts.
The checks we insist on
We start with a site inspection and then ask for the drawings if they exist. In many older houses, the real-built condition differs from the old plan, so we measure the column sizes, beam spans, slab thickness, and signs of distress. Then we look at the soil and foundation logic. Chennai is not one ground. Soft or water-retaining ground needs a different response from firmer red soil or rockier pockets.
For design, we work to IS 456:2000 for RCC, IS 1893:2016 for seismic consideration, IS 875 for loads, and NBC 2016 for the broader building requirements. The point is not to quote standards for show. The point is to make sure the added floor is treated as a real structural change, not a cosmetic upgrade.
- Inspection and measurement — we measure the existing house, note cracks, check the terrace slab and columns, and usually finish this stage in 1 to 2 days.
- Soil and structural review — we review the foundation logic and the load path, and if needed we arrange soil investigation before the final design is frozen.
- Strengthening proposal — if the existing structure needs help, we detail jacketing, new beams, or other measures based on the actual condition, not guesswork.
- Approval drawings and BOQ — we prepare the drawings, quantity take-off, and payment stages before work starts, so the contract has no hidden room for dispute.
- Execution and checks — shuttering, reinforcement fixing, concreting, curing, and inspection happen in sequence, with site supervision every working day.
How to verify the builder before you sign
If you are comparing firms for this kind of job, don’t start with promises. Start with documents and process. Ask what they will inspect, what they will design to, what they will include in the BOQ, and who signs off the structural work. A fair contract for an extra floor should show the scope clearly, separate civil work from interiors if interiors are not part of the contract, and state the payment milestones in writing.
- Ask for a written BOQ before you pay an advance.
- Check who is handling the structural design and site supervision.
- See whether the contract names the scope of strengthening, if any.
- Confirm how approvals will be handled for your plot’s exact location.
- Ask what happens if the existing structure is found unsafe after inspection.
- Read the payment stages. A milestone-linked schedule is normal; vague lump sums are not.
Approvals, paperwork and timing
In Chennai, the approval route depends on where your plot sits. The planning authority is CMDA for the metropolitan area, while the building licence comes from the local body that covers your site. For Besant Nagar, that means we check the exact jurisdiction before we talk about filing. Near the airport side of the city, AAI height clearance can also become relevant, but that depends on the plot, not on a general rule.
The papers we usually need include patta, encumbrance certificate, FMB sketch, architectural drawings, structural stability certificate, and drainage details. For an additional floor, the existing house records matter a lot because the approval file has to match the real building. If the old construction differs from the paper, that mismatch needs to be cleared early, not after the slab steel has already arrived.
| Work stage | What it covers | Typical time |
|---|---|---|
| Survey and inspection | Measurements, distress review, existing load path | 1 to 2 days |
| Design and BOQ | Structural drawings, material take-off, scope split | Several days to 2 weeks |
| Approvals and coordination | Local body file, revisions, document follow-up | Varies by plot and jurisdiction |
| Construction | Strengthening, RCC works, terrace extension, curing | Depends on size and complexity |
How we handle the work
We do this with in-house civil engineers, a structural engineer, and an architect. A site engineer is on site every working day, and clients who cannot visit get weekly photo updates by WhatsApp. Mr. D. Salamon Ashok Rajan reviews the technical side as the work moves. Before any contract is signed, we prepare a detailed BOQ and a milestone-linked payment schedule, because that is where most disputes begin if you leave it vague.
If you want us to inspect an existing house in Besant Nagar, we can start with a structural review and then tell you plainly whether an extra floor is sensible, whether strengthening is needed, or whether the idea should be stopped. Call +91 97107 13838 or write to info@shalomconstruction.com. Our office is at No. 45, 2nd Main Road, Abirami Nagar, Koladi (Landmark: Ratna Chamber), Thiruverkadu, Chennai – 600077.
Frequently Asked Questions
Some houses in Besant Nagar are good candidates for vertical expansion, and some are not. The difference is in the structure, the soil, and the paperwork, not in how badly someone wants the extra space.
Additional Floor Construction in Besant Nagar
Send us the plot details and, if you have them, the old drawings. We can review the structure and give you a BOQ-based path before you commit.
Request a Quote Call +91 97107 13838