An architect’s fee in Kolkata is a percentage of the cost of the works, not a rate per sq ft. The Council of Architecture (CoA) scale, as published, lists 7.5% for an individual house. At 2026 build rates of ₹1,995 to ₹2,706 per sq ft, that works out to about ₹150 to ₹203 per sq ft of built-up area for the full service.
What is the CoA scale of charges?
The CoA scale of charges is the fee table that the Council of Architecture, the statutory body for architects in India, prescribes for registered architects. The Architects (Professional Conduct) Regulations, 1989 direct a registered architect to inform the client of the conditions of engagement and scale of charges, and to observe and uphold them.
The regulations also stop architects from advertising their services. That is why a studio’s website can explain how fees work but cannot offer a quote or a discount.
Rates change when the Council revises its documents. The table below is taken from a published reproduction of the revised scale, accessed on 13 November 2026. Confirm the current figures on coa.gov.in before signing an appointment.
| Type of work | Fee as a percentage of the cost of works |
|---|---|
| Individual or independent house | 7.5% |
| Single-block housing, sites up to 0.5 hectare | 5.0% |
| Housing sites above 0.5 and up to 2.5 hectares | 3.5% |
| All projects other than housing | 5.0% |
| Conservation, retrofitting, additions, alterations | 7.5% |
| Interior architecture | 7.5% |
| Landscape architecture | 7.5% |
| Verification and certification of contractor’s bills | 1.0% in addition |
| Documentation and communication charges | 10% of the professional fee |
The same reproduction lists advisory consultancy at ₹4,000 a day for a local project and ₹10,000 a day for an outstation project. These per-day figures come from an older document, so treat them as a reference point.
How much is the architect fee per sq ft in Kolkata?
At 7.5%, the fee is about ₹150 to ₹203 per sq ft of built-up area. This is arithmetic, not a market quote: 7.5% applied to the ₹1,995 to ₹2,706 per sq ft that InfraLens lists as the standard-finish band for Kolkata in its 24 October 2026 update.
Build costs differ by finish. The same source puts basic finish at ₹1,339 to ₹1,995 and premium finish at ₹2,704 to ₹3,792 per sq ft. The fee follows the cost of the works, so a premium house carries a larger fee than a basic one of the same size. The full cost ranges are in the post on house construction cost per sq ft in Kolkata.
One more point on the base. The scale computes the fee on the cost of works as built, not on a guess made on day one. Early payments use the rough or preliminary estimate, and later payments use the accepted tender cost.
What does a worked example look like for a G+2 house?
Take a G+2 house on a 3 cottah plot (about 2,160 sq ft). Assume 4,200 sq ft of built-up area over three floors, which is an assumption made for this example, not a sanctioned plan. At ₹1,995 to ₹2,706 per sq ft, the cost of works is about ₹84 lakh to ₹1.14 crore.
At 7.5%, the full fee is about ₹6.3 lakh to ₹8.5 lakh. Taxes are extra as applicable. The next section shows how that fee is released over the project.
How is the architect’s fee paid, stage by stage?
The fee is paid in stages as the work progresses. A published reproduction of the CoA schedule of payment shows these cumulative percentages of the total fee:
| Stage | Work done | Cumulative share of fee |
|---|---|---|
| 1 | Appointment and signing of agreement | ₹20,000 or 5% of the fee |
| 2 | Concept design and rough estimate | 10% |
| 3 | Preliminary scheme and estimate | 20% |
| 4 | Drawings for client and statutory approvals | 35% |
| 5 | Working drawings, specifications, schedule of quantities and tender documents | 45% |
| 6 | Inviting and analysing tenders, advising on contractor | 55% |
| 7 | Construction, from commencement to virtual completion | 65% to 90% |
| 8 | Completion report and drawings | 100% |
Other practitioners reproduce the stages differently. Studio Matrx lists cumulative figures of 10%, 20%, 35% and 60% for the first four stages of a seven-stage framework. Sources agree on the order of work but not on every percentage, so ask for the stage table in writing.
Is design-only cheaper than design plus supervision?
Design-only is cheaper because it stops at about stage 5. On the schedule above, that is 45% of the total fee. For the worked example, that is about ₹2.8 lakh to ₹3.8 lakh of the ₹6.3 lakh to ₹8.5 lakh total.
Stopping at design means the owner, or another professional, runs the contractor appointment and the site. The drawings carry the studio’s name, but nobody from the studio checks that the building matches them. Municipal rules expect the architect or Licensed Building Surveyor to plan, design and supervise the work. The West Bengal Municipal (Building) Rules, 2007 say so in rule 14, so it is worth agreeing who does the supervising before the drawings are finished.
A middle option is design plus periodic visits at fixed stages, such as footing, first slab and plaster. The checks that matter on each visit are in the site supervision checklist for house construction. The studio’s site supervision and project management page describes how that service is organised.
What changes the architect’s fee in Kolkata?
Five things move the number:
- Type of work. A new house, an alteration and a heritage conservation job each have their own line in the scale.
- Cost of works. A higher finish raises the base on which the percentage is computed.
- Scope. Interior design, landscape and structural coordination may sit inside or outside the appointment. Write down which.
- Approvals. Sanction drawings and liaison with the authority are a stage of the work, but the municipal sanction fee itself is paid to the authority and is separate.
- Site stages. Visit frequency and bill checking change the effort across the build months.
Grihashakti, a home finance lender, puts architectural and engineering fees at around 10% of the total in a Kolkata house budget and approvals at roughly 2% to 5%. That figure covers the structural engineer as well, so it is not a direct comparison with the architect’s 7.5%.
How much does an architect charge for house renovation in Kolkata?
The CoA scale lists 7.5% of the cost of works for additions and alterations, the same as for a new house. On small repair jobs, a percentage can be too small to cover the survey and drawing effort, so many renovations are agreed as a lump sum after a site visit.
If the building is old, ask whether the appointment includes a measured survey, a structural opinion and any permission needed for graded heritage buildings. The studio’s heritage conservation page covers that type of work. For interior-only jobs, see interior design.
What should be in the appointment letter?
Ask for these items in writing before paying the first instalment:
- The scope of services by stage, matching the stage table above.
- The fee as a percentage or a lump sum, with the base on which it is computed.
- Which approvals and drawings are included, and which are extra.
- How many site visits are included, and the rate for extra visits.
- How bills will be verified, and whether the 1% listed for certifying contractor’s bills applies.
- What happens if the project is paused or the scope changes.
What to do next
If you have a plot or an existing house and want to understand the fee basis for your job, write through the contact page with the plot size, location and the stage you are at. The architecture service page sets out what the studio does at each stage.
