When Your Quotation Becomes the Contract
Most residential renovation in Singapore runs on a signed quotation rather than a separate contract document. That is not sloppiness, it is how the trade works, and it has one consequence worth taking seriously: everything you would want a contract to say has to be on the quotation, because there is nothing else.
The document that gets signed is the document that governs
A client signs your quotation, pays the deposit, and the job starts. If a dispute arrives four months later, that signed quotation is what both sides are read against.
Which means the terms are not a formality at the bottom of the page. They are the only agreement there is, and their absence is not neutral: it leaves the question open for somebody else to answer later.
What the quotation has to carry
Beyond the pricing itself, a quotation acting as an agreement needs to say how the relationship works.
| Section | What it settles | Cost of leaving it out |
|---|---|---|
| Exclusions | What is not in the price | Every assumption is decided against you |
| Payment stages | When money moves, tied to trades | You finance the job |
| Validity period | How long the price holds | A quote accepted at old rates |
| Variation procedure | How changes get priced | Changes priced after the work |
| Warranty | What you stand behind, for how long | An open-ended obligation |
| Programme | Duration and permitted hours | Delay becomes your fault by default |
Exclusions are the section that does the work
An exclusions list feels like an invitation to be asked why, which is why so many quotations do not have one. In practice it is the most protective paragraph on the document, because almost every argument at handover is about something nobody wrote down.
Name the things clients routinely assume are included: the PE endorsement where masonry is hacked, appliances, loose furniture, curtains, anything by others, making good outside the quoted areas, and the permit if you are not applying for it.
Write it once, not per job
The reason most quotations are thin on terms is that nobody wants to retype them. Set them once so they carry to every quotation automatically, and keep more than one set where the work genuinely differs: residential and commercial want different validity periods, different payment shapes and different warranties.
That is what branding and terms are for, and the practical argument for it is not tidiness. It is that a term you have to remember to add is a term that will be missing from the quotation you sent in a hurry, which is also the job most likely to go wrong.
A quotation is not a contract everywhere
Commercial and tender work is different. There you are likely to be working under a main contract with its own conditions, its own claim procedure, and terms that override anything on your quotation. Read what you are signing up to before pricing, because the payment terms in particular can be nothing like residential practice.
The commercial quotation guide covers what changes.
This is not legal advice
What is written here is how the trade generally operates rather than a statement of your legal position, which depends on the specific document and the specific facts. For anything that turns on the answer, especially a live dispute, take it to a lawyer rather than to a renovation blog.
Questions
Do I need a separate contract as well?
For most residential jobs firms here do not use one, and a signed quotation with proper terms does the work. For larger or commercial jobs a contract is normal and often not yours to choose.
Is a quotation binding before it is signed?
Generally it is an offer rather than an agreement, which is why the validity period matters: it is how you limit how long that offer stays open. The specifics depend on what the document says.
Where do the terms go on the document?
At the end, after the pricing, but on the same document rather than attached separately. A term in an attachment the client never opened is a term you will be arguing about.
Should the client sign every page?
Signing the last page is the common practice. What matters more is that the pages are numbered and the document is one file, so there is no argument later about what was attached to what.
Writing the quotation rather than reading one?
CatchQuote builds it area by area, in the units this trade uses, and exports a branded PDF.