In this guide — 13 sections
- What a quotation should include
- Flag 1 — vague deliverables
- Flag 2 — no stage payments
- Flag 3 — undefined revisions
- Flag 4 — structural and MEP
- Flag 5 — approval responsibility
- Flag 6 — per-sqft without scope
- Flag 7 — drawing ownership
- Flag 8 — site visits
- Flag 9 — no named architect
- Side by side comparison
- Comparing multiple quotes
- Checklist and FAQs
Architect quotation red flags are easy to miss when a quote looks professional, names your project, and carries a reasonable fee. The omissions that matter — approval drawings only rather than working drawings, revision rounds left undefined, structural drawings ‘to be quoted separately’ — each carry a financial and quality consequence that only emerges during or after construction.
What a Complete Quotation should contain
Before examining what goes wrong, here is the standard against which every proposal should be read. A complete architect’s quotation contains all eight:
- A specific list of drawings and deliverables — not a generic description of ‘services’
- The number of included revision rounds, stated per design stage
- A stage-wise payment schedule tied to verifiable deliverables
- An explicit statement on structural and MEP drawing scope, including what is excluded
- Confirmation of who files the building plan approval and who pays the development charges
- A drawing ownership clause covering your rights after full payment
- A named responsible architect with their COA registration number
- A site visit schedule naming the construction milestones attended
How to use this guide: the nine sections that follow each take one missing element, explain the practical consequence, and give the wording a transparent quotation uses instead. All nine are discoverable before you sign anything — the discipline required is simply to read the scope description as carefully as you read the fee.
Vague deliverables
Vague deliverables instead of a specific drawing list
The quotation describes the scope as ‘architectural services’, ‘complete design services’ or ‘residential architectural drawings’ without listing specific drawings. You cannot tell whether working drawings, 3D renders, MEP layout or BOQ specification are included.
If the scope is not specifically listed, it is not contractually committed. An architect who later produces only approval drawings and invoices the full fee has technically delivered ‘architectural drawings’ as quoted. The missing working drawings — joinery, staircase, bathroom, kitchen, MEP layout — are exactly what the contractor needs to build without improvising. Without them, the contractor improvises, which creates variation orders, disputes and quality shortfalls.
Every named drawing set is either in or out of scope. Nothing is left ambiguous.Concept design with two to three floor plan options; developed 2D floor plans, all levels, dimensioned; 3D elevation renders, four views; CMDA/GCC approval drawings including site plan, floor plans, elevations, section and area statement; working drawings covering joinery schedules, staircase section, bathroom and kitchen layout, door and window schedule, MEP routing; BOQ co-ordination.
No stage payments
No stage-wise payment schedule tied to deliverables
The payment terms say ‘50% on signing, balance on completion’, or a similar two-payment structure with no connection to design milestones.
A two-stage structure means you pay half before any drawing exists, then hold limited leverage if the architect delays, produces inadequate work or ignores revision requests. The remaining half at ‘completion’ is also undefined — completion of what, exactly? In disputes both sides claim the other has not performed, and that undefined payment trigger is the central ambiguity.
Each payment releases against a specific, verifiable deliverable.Stage 1 at 20% on concept design sign-off. Stage 2 at 30% on developed floor plans and 3D renders approved. Stage 3 at 20% on approval drawings submitted. Stage 4 at 20% on working drawings and BOQ issued. Stage 5 at 10% as construction support retainer.
Undefined revisions
Unlimited revisions, or revision rounds not defined
The quotation says ‘revisions as required’, ‘unlimited revisions’, or makes no mention of revision rounds at all.
Undefined rounds produce two equally bad outcomes. Sometimes ‘unlimited’ means every change is made without charge, which incentivises a weaker first-pass design refined through revision cycles. Other times it produces an invoice for revision time never agreed, with the architect arguing the limit was ‘reasonable’ and the homeowner arguing that unlimited means unlimited. Neither is acceptable.
This defines both the included scope and the change management process.Two revision rounds included at concept floor plan stage. One at developed design stage. One after 3D render approval. Changes after working drawings are issued are assessed as variation orders and quoted before execution.
Structural and MEP
Structural and MEP drawings quoted separately, or not mentioned
The quotation states ‘structural drawings to be quoted separately’, ‘MEP to be co-ordinated by contractor’, or says nothing about structural and MEP scope.
Structural drawings and MEP layout are the most technically demanding and practically important parts of the construction set. If the architect does not co-ordinate structural design against the architectural floor plan, clash conditions — a column in a doorway, a beam fouling a kitchen window — surface on site, where resolving them costs 10–20 times what it would at drawing stage. If MEP is left to the contractor, improvised routing creates maintenance access problems and, in smart home applications, prohibitively expensive retrofitting.
Co-ordination sits with the architect; the specialist fee sits elsewhere, and both are stated.Structural engineering co-ordination included: the architect reviews the structural engineer’s column and beam layout against the architectural floor plan and resolves all clashes before working drawings issue. The structural engineer’s own fee is separate and quoted independently. MEP routing drawings for electrical conduit, plumbing supply and drainage, and AC conduit are included in the working drawing set.
A Column in a Doorway Is Cheap to Fix on Paper
Structural co-ordination and MEP routing resolved against the floor plan before working drawings issue — because the same clash found on site costs ten to twenty times more.
Approval responsibility
Unclear approval responsibility
The quotation offers ‘CMDA-format approval drawings’ without confirming whether the architect will file the application, compute development charges, or manage the approval process.
In Chennai, building plan approval is filed digitally via TNOBPAS and requires a COA-registered architect’s Class 3 Digital Signature Certificate. If the quotation supplies drawings but expects you to file, you need your own Class 3 DSC, familiarity with the TNOBPAS portal, and knowledge of development charge computation. Most homeowners have none of these. The gap usually surfaces when the drawings are ready and nobody files them, adding weeks or months.
Filing responsibility is named, and so is the boundary of it.CMDA/GCC building plan approval filing included: the architect prepares submission-format drawings, computes development charges, and files the application on TNOBPAS using the firm’s Class 3 DSC. The client pays the development charge; the architect assists with computation and submission documentation.
Per-sqft without scope
Per-square-foot pricing without scope definition
The fee is quoted as a rupee figure per sq.ft of built-up area, with no description of what that fee covers.
Per-sqft pricing is not inherently a red flag — some practices use it as a straightforward communication tool. It becomes one when offered without scope. A per-sqft fee for approval drawings only and a per-sqft fee for approval drawings plus working drawings plus MEP layout plus BOQ plus construction support look identical as numbers. Comparing two per-sqft quotes without reading the scope is not comparing like with like.
The exclusion list matters as much as the inclusion list.Either a detailed scope list accompanying the per-sqft fee, or an explicit exclusion statement: site supervision, the structural engineer’s fee and furniture design are not included.
Drawing ownership
No drawing ownership clause
The quotation says nothing about who owns the drawings once the project completes and the fee is paid.
Under Indian copyright law the architect holds copyright in the drawings as creative works. That matters if you want to hand drawings to a different contractor, modify the design with another architect in a later phase, or obtain a bank loan requiring submission of construction drawings. An architect who has not agreed in writing to release drawings after full payment can refuse, or can charge again for ‘licensing’ their use. Uncommon, but a real dispute scenario.
Copyright stays with the architect; your right to build from them is written down.On full payment of the agreed fee, the client has the right to use these drawings for the construction of this specific project. The architect retains underlying copyright. A licence to use the drawings for this project is granted on full payment and confirmed in writing at handover of the drawing set.
Every Element in the Transparent Column, as Standard
Named architect, complete drawing scope, defined revision rounds, stage payments, structural co-ordination, MEP layout, TNOBPAS filing, ownership clause and milestone site visits.
Site visits
No commitment on site visits
The quotation makes no mention of site visits during construction, or describes them as ‘available on request’.
Without a committed schedule the architect has no obligation to attend site, which makes the working drawings the last point of contact between design intent and the building actually going up. Contractors, however skilled, make site decisions an architect would correct on a visit — dimension interpretations, material substitutions, MEP routing changes, finishing sequence. Without milestone visits these accumulate as built deviations, most irreversible by the time you notice.
Six named milestones, a reporting commitment, and a rate for anything beyond.Milestone site visits included at foundation completion, plinth beam, first-floor slab, MEP first fix, internal plaster complete, and final snag inspection. A site visit report is issued within 48 hours of each visit. Additional visits available at a stated rate.
No named architect
No named responsible architect, only ‘our team’
The quotation is issued by a firm but does not name the specific COA-registered architect who will produce and sign the drawings.
Practices range from single-architect studios to larger firms where senior architects win the work and junior staff, registered or not, produce the drawings and manage the client. What matters for quality and accountability is the COA registration number appearing on the approval drawings and the name of the architect attending your site visits. ‘Our team’ is not a COA registration number and cannot sign a building plan approval.
A name and a number, both of which can be verified independently.The responsible architect for this project is named in full, with their COA registration number. All approval drawings carry their stamp and signature. The client has the right to communicate directly with the responsible architect throughout the project.
Transparent Quotation versus red-flag quotation
Use this as your checklist when reading proposals:
Swipe or scroll to see the full table →
| Quotation element | Transparent quotation | Red-flag quotation |
|---|---|---|
| Deliverables | Specific list: concept design, 2D floor plans per level, 3D renders, approval drawings, working drawings covering joinery, staircase, kitchen, bathroom and MEP layout, plus BOQ | “Architectural services for your residential project” |
| Revision rounds | Two rounds at concept stage, one at developed plan, one after 3D renders; changes after working drawings quoted as variations | “Revisions as needed” / “unlimited” / “as required” |
| Stage payments | Stage 1 at 20% concept, Stage 2 at 30% developed plans and 3D, Stage 3 at 20% approval drawings, Stage 4 at 20% working drawings, Stage 5 at 10% site support | “50% on signing, balance on completion” |
| Structural drawings | Structural co-ordination and review of the structural engineer’s drawings included; the engineer is appointed separately with their fee quoted independently | “Structural drawings at extra cost” / “to be quoted later” |
| MEP drawings | MEP layout drawings included in the working drawing set, with routing co-ordinated by the architect | “MEP by contractor” / “to be co-ordinated during construction” |
| Approval filing | Approval drawings prepared and filed by the COA-registered architect, with development charge computation included | “Approval drawings provided; filing by client” |
| Drawing ownership | Drawings become the client’s to use for this project on full payment; the architect retains copyright and grants a licence | Not mentioned at all |
| Site visits | Milestone site visits at six named stages included in the fee; additional visits at a stated rate | “Site visits as required” / “on request” |
| Responsible architect | Named architect with COA registration number, signing all approval submissions | “Our team will handle your project” |
| Timeline | Design: 8–10 weeks to approval-ready drawings. Approval: 8–12 weeks after submission | “To be confirmed after commencement” |
How to Compare multiple architect quotes
Fair comparison requires a common scope baseline. The sequence:
- Shortlist at least three architectsFewer quotations give false confidence. With two proposals, one looks reasonable simply by comparison. Three gives a genuinely market-informed view of both scope and pricing.
- Request scope clarification before discussing feeAsk ‘does your fee include working drawings?’ before asking for a revision. If the answer is no, you have identified a scope gap rather than negotiated the fee down.
- Convert every quote to a common scopeIf one fee includes working drawings and another does not, add the estimated cost of working drawings — typically 20–30% of total architectural fee — to the second before comparing totals.
- Do not select on fee aloneThe correct selection is the cheapest quote for the same scope from a COA-registered architect with verifiable completed projects and clear revision, site visit and ownership commitments. The cheapest quote overall is usually the one with the most omissions.
- Get every clarification in writingAny verbal commitment made during comparison should be confirmed in writing before the fee agreement is signed. Verbal scope expansions are not enforceable.
For the questions to ask before engaging, see 12 questions to ask an architect before hiring. For an overview of fees, see Buildiyo’s architectural services.
Evaluation Checklist and frequently asked questions
Swipe or scroll to see the full table →
| Check | Confirm before you sign |
|---|---|
| Specific deliverables list: every named drawing set is in or out of scope — ‘architectural services’ is not acceptable | |
| Revision rounds defined: a specific number of included rounds at each design stage, with post-working-drawing changes quoted as variations | |
| Stage payment schedule: tied to specific deliverables, minimum four to five stages, no 50/50 on sign and completion | |
| Structural co-ordination: the architect reviews the structural grid against the floor plan and resolves clashes before working drawings | |
| MEP layout: routing drawings included in the working drawing set, or explicitly excluded with justification | |
| Approval filing: the architect files via TNOBPAS using their Class 3 DSC; the client pays the development charge | |
| Drawing ownership: confirmed in writing that drawings are yours for this project on full payment | |
| Site visit schedule: specific milestone visits named, a report issued per visit, and an additional visit rate stated | |
| Responsible architect named: full name plus COA registration number on the quotation itself | |
| Exclusions listed: the structural engineer’s separate fee, landscape design and furniture design explicitly outside scope |
What should an architect’s quotation include?
A specific list of drawings covering concept, 2D floor plans, 3D renders, approval drawings and working drawings; defined revision rounds; a stage-wise payment schedule tied to deliverables; structural co-ordination scope; MEP drawing scope; approval filing responsibility; a drawing ownership clause; a milestone site visit schedule; and the named responsible architect’s COA registration number.
Is per-square-foot pricing normal for architects in India?
It is used by some Indian practices as a fee communication method and is not inherently a red flag. It becomes one when offered without a scope description. A per-sqft fee covering approval drawings only and one covering the full design scope look identical as numbers. Always request the scope list alongside the rate.
How many design revisions should be included in an architect’s fee?
A transparent fee structure typically includes two revision rounds at concept floor plan stage, one at developed design stage, and one after 3D render approval. Changes after working drawings are issued should be quoted as variation orders before execution. ‘Unlimited revisions’ without further definition is either a poorly structured engagement or a future billing dispute.
Should structural design be quoted separately from the architect?
Yes. Structural engineering covering foundation, column, beam and slab design is a separate professional discipline and should carry a separate fee from a licensed structural engineer. However, the architect’s fee should include structural co-ordination — reviewing the engineer’s column grid against the architectural floor plan and resolving clashes before working drawings issue. That co-ordination belongs in the architect’s scope.
How do I compare architect quotes fairly?
Compare on scope, not fee. Ensure every quote covers the same deliverables — approval drawings, working drawings, MEP layout, structural co-ordination, site visits. If one excludes working drawings, add their estimated cost before comparing totals. Request scope clarifications in writing before any fee negotiation, and never select on fee alone where scope and COA registration cannot be confirmed.
Read the scope description as carefully as you read the total fee figure. Everything that goes wrong later was visible in it.
— The whole discipline, in one sentence
A Proposal That Leaves No Question Unanswered
Compare ours against the nine flags above. Named architect and COA number, complete drawing scope, defined rounds, stage payments, co-ordination, filing, ownership and milestone visits — all written down before you commit.
Read the scope before you sign
The architect quotation red flags in this guide are all discoverable before you sign anything. A fee structure defined in full — specific deliverables, defined revision rounds, milestone payments, structural co-ordination, drawing ownership, site visit schedule and a named COA-registered architect — is a contractual commitment you can hold the architect to. A vague scope attached to a low fee is an invitation to escalating costs and unresolved disputes once construction begins.
The best way to compare quotes is not to find the lowest number but the practice giving you the most complete, specific written commitment for the scope your home deserves. Buildiyo’s architectural services in Chennai provide every element in the transparent column above as standard. Contact Buildiyo for a free consultation and a fee proposal that leaves no question unanswered.