Concept to Working Drawings: What You Get at Each Architecture Stage

Most plot owners in New Town and Salt Lake come to us with a fee number in their head and no picture at all of what that fee actually buys, and that gap is where almost every bad architecture experience in Kolkata begins. Somebody quotes a lump sum, some drawings arrive on WhatsApp, the sanction goes in, and then eight months later the client is standing on a half-built slab asking why the staircase headroom is short or why the electrical points were never marked, and by then the answer is expensive. The honest fix is boring, and it is simply knowing what deliverable belongs to which stage before you sign anything.

We are Studio Contour, an architecture and interior design practice working out of New Town, Kolkata since 2014, and across 330-plus delivered buildings in New Town, Salt Lake, Rajarhat and greater Kolkata we have seen the same pattern hold, which is that projects go smoothly when the client understands the sequence and go sideways when they do not. So this piece walks the whole arc, concept to working drawings, and tells you exactly what should land in your hands at each stage, what it is for, and what it costs you later if you skip it.

One thing to fix in your head at the start, right, is that a sanction drawing and a working drawing are two completely different animals serving two completely different audiences, and a large number of homeowners in Kolkata are handed only the first and told it is the full set. Sanction drawings are made to satisfy a building authority. Working drawings are made to stop a mason from guessing. You need both, and they are not produced at the same time.

Stage One: Feasibility and Concept, Where Your Plot Tells You What It Can Take

Before a single elevation gets drawn, the plot has to be read, and this is the stage most people want to rush past because nothing pretty comes out of it. What you should receive here is a written feasibility note that states your permissible built-up area, your ground coverage, your setbacks on all four sides, your permissible height and floor count, and your parking requirement, all worked from the actual rules that govern your plot rather than from what your neighbour built in 2016. The floor area ratio applicable to your plot size and road width is the single number that decides whether your brief is buildable at all, and the setback obligations decide the shape of everything that sits inside it, so both belong on paper in week one and not in month four. If you want the underlying logic in detail, we have written it out in our guide to FAR and ground coverage rules in New Town.

Alongside the feasibility note you should get two or three concept options, usually as block plans and rough floor layouts, showing how the built mass could sit on the plot. These are deliberately loose. The point is to test ideas cheaply, for instance whether the staircase runs north or south, whether the parking eats the front or the side, whether a courtyard is worth the floor area it consumes. Our principal architect Sumana Kumar tends to push clients hard at this stage specifically because changing a line here costs nothing and changing the same line after sanction costs a resubmission plus three months.

Stage Two: Design Development, Where the House Is Actually Decided

This is the long middle stage and it is where the building genuinely gets designed, so expect several rounds rather than one grand reveal. The deliverables here are dimensioned floor plans for every level, sections cut through the staircase and any double-height space, all four elevations, and a materials and finishes direction. Room sizes stop being approximate. Door and window positions get fixed against how light and air actually move through the plot, which in our climate means designing for natural ventilation and cross-breeze rather than assuming an air conditioner will paper over a badly oriented bedroom.

Most clients cannot read a section, and that is completely fine, which is why this is also the stage where 3D visualisation and rendering earns its keep. Seeing your own staircase in perspective, at the real proportions, catches objections that no amount of plan-reading ever will. We would much rather a client says the passage feels tight while it is still a render, because at the end of the day a change in a model is a Tuesday afternoon and a change in reinforced concrete is a demolition.

Design development is also where the interior conversation should start, not after the shell is up. Kitchen service lines, wardrobe depths, false ceiling drops for ducting and the location of every electrical shaft are decisions that belong to the structural stage, and pulling them forward is the whole argument behind our residential architecture and residential interior design work being run as one continuous process rather than two disconnected contracts.

Stage Three: The Sanction Drawing Set for NKDA, KMC or Bidhannagar

Once the design is frozen, a separate set is prepared for submission, and which authority it goes to depends entirely on where your plot sits. New Town plots go to NKDA. Plots inside the Kolkata Municipal Corporation area go to KMC. Salt Lake and the surrounding Bidhannagar area go to the Bidhannagar Municipal Corporation. Each has its own drawing conventions, its own document checklist, its own fee structure and its own scrutiny habits, and taking a set formatted for one and submitting it to another is a reliable way to lose a month. Studio Contour routinely takes both residential and commercial projects through all three of these processes, so the formatting, the annotations and the supporting paperwork go in the way each department expects to see them.

What you should hold at the end of this stage is the complete submission set, the filled application, the schedule of areas, and a clear written list of every document you personally need to produce, because a fair share of sanction delays are not drawing problems at all, they are a missing mutation record or a mismatched land deed. Our documents required for NKDA building sanction checklist exists precisely because clients kept discovering these gaps at the counter, and the NKDA building plan sanction process guide walks the sequence end to end.

One thing worth being clear-eyed about is scope, because plenty of quotes in Kolkata quietly stop at sanction. Ask directly whether the fee covers query replies, resubmission after scrutiny comments, and the completion and occupancy paperwork at the far end, or whether each of those becomes a fresh negotiation. We have unpacked what actually sits inside an architect's scope during approval in what architects handle in NKDA plan approval, and how it maps to money in our breakdown of architect fees in Kolkata.

Stage Four: Working Drawings, the Set Your Contractor Actually Builds From

Here is the stage that separates a designed house from a sanctioned one, and it is the stage most commonly missing when a client tells us their previous project went badly. A working drawing set translates the design into build instructions at a scale a mason can follow, and it typically runs to dozens of sheets rather than a handful. You are looking for a setting-out plan that locates the building on the plot with real dimensions, foundation and column layouts coordinated with the structural engineer, floor-level plans with every wall dimensioned and every opening scheduled, staircase details with tread, riser and headroom worked out, toilet layouts with fixture positions and slopes, and a complete door and window schedule.

Then comes the services layer, which is where money quietly leaks on unplanned projects. Electrical layouts with every point, switch bank and DB position marked. Plumbing lines with shaft positions, tank locations and drainage falls. Reflected ceiling plans coordinating lights, fans and air conditioning with the false ceiling and lighting design. And the details that only matter when they go wrong, such as waterproofing at terraces, sunken slabs and parapet junctions, which in a Kolkata monsoon is not a refinement, it is the difference between a dry ceiling and a recurring repair bill.

The practical test of a working drawing set is simple, which is that a competent contractor should be able to price it accurately and build from it without calling the architect every second day to ask what was intended. If your contractor is making judgement calls about wall thicknesses and point locations, those judgement calls are being made in your building, at your cost, and you will meet the results for the next thirty years. You can see how this coordination reads in a finished project in our DE Block residence in New Town.

Stage Five: Site Support, Interiors and Closing the File

Drawings do not build buildings, people do, so the final stage is presence. What you should expect is periodic site visits at the milestones that matter, which are the setting-out, the foundation, each slab, the blockwork and the finishing stage, plus written observations after each visit rather than a verbal nod. Shop drawings for joinery, railings and modular kitchen work get checked here, material samples get approved, and deviations get caught while they are still cheap to correct.

The file closes with completion and occupancy documentation, and this is genuinely worth planning for from day one rather than treating as an afterthought, because occupancy is granted against what was sanctioned, so every unrecorded deviation during construction becomes a problem at the very end. Deviations are sometimes unavoidable and are usually manageable when they are tracked as they happen and reflected properly, and they are painful when they surface for the first time at inspection.

What This Means When You Are Choosing an Architect in New Town or Salt Lake

Read a fee proposal as a list of deliverables rather than a number, and check that each of the five stages appears with something tangible attached to it. A proposal that jumps from concept straight to sanction with nothing in between is not cheaper, it is incomplete, and the missing work reappears later as site confusion, contractor extras and change orders that nobody budgeted. Basically, you either pay for coordination in the drawing office or you pay for it on site at a much worse exchange rate.

The second thing to weigh is local familiarity, because rules in New Town, Kolkata are not the rules in Salt Lake or in the KMC wards, and a studio that works these three processes week in and week out will format, annotate and sequence a submission differently from one encountering it for the first time. If you are still mapping the landscape, our overviews of working with an architect in New Town and Bidhannagar building rules for Salt Lake are a reasonable place to start, and our New Town locality page collects the plot-level specifics.

If you own a plot in New Town, Salt Lake or Rajarhat and you want to know what your land can actually take before you commit to anything, that is exactly the conversation Studio Contour is set up to have, and it starts with a feasibility read rather than a sales pitch. Bring your plot dimensions, your deed, and a rough sense of how you want to live, and Sumana Kumar and our team will tell you plainly what is buildable, what it will involve stage by stage, and what each stage will put in your hands. You can reach us through our contact page whenever you are ready to start.