Checking a Contractor's Previous Work: Sites, Clients and Snag Lists
Checking a Contractor's Previous Work: Sites, Clients and Snag Lists
A contractor's brochure shows finished rooms; a contractor's previous work shows how those rooms were reached. Owners hiring verified civil contractors should check past sites and past clients before signing, because the pattern of a contractor's last three jobs predicts the next one better than any promise.
Key Takeaways
- Visit two past sites, not one, and look at work in progress as well as finished work.
- Ask past clients about scope, extras and snagging, the three answers that predict your experience.
- Hidden trades need the same check, since commercial plumbing and electrical contracts fail where nobody looks.
Site visits reveal what photographs hide. On a finished site, look at corners, joints and paint edges, where rushed work shows first. On a site in progress, look at storage, safety and tidiness, which show how the contractor runs a site day to day. A contractor who welcomes both kinds of visit is showing a system; a contractor who shows only one finished showpiece is showing a selection.
Client conversations complete the check. Through verified civil contractors who offer past clients freely, owners buy a track record rather than a pitch, and through commercial plumbing and electrical contracts checked the same way, the trades hidden inside walls are judged by the same evidence as the rooms on show.
Checking in order
- Ask for three recent jobs similar to yours, with client contacts.
- Visit two sites: one finished, one in progress, and look at the details.
- Call two past clients and ask the same three questions each time.
- Ask for the snag list of a finished job and how long it stayed open.
- Compare contractors on evidence, not on how warmly each client speaks.
Checking faults
| Fault | Cause |
|---|---|
| Only one showpiece site offered | Other jobs would not survive a visit |
| No past client will take a call | Clients were not left satisfied |
| Snag list stayed open for months | No system for closing defects after handover |
| Hidden trades never mentioned | Checks covered rooms, not the work inside walls |
A morning spent on past sites and past clients is the cheapest insurance in a build. Evidence gathered before signing cannot be argued with after handover.
Owners comparing options on BTechMart can ask contractors for past-site visits and client contacts before deciding. BTechMart is a B2B wholesale marketplace and construction network where owners compare written quotes from verified contractors.
FAQs
How many past sites should I visit?
Two: one finished and one in progress, so you see both the result and the process.
What should I ask past clients?
Did the scope match the quote, were extras priced in writing, and did snagging close promptly.
What if the contractor refuses visits?
Treat refusal as an answer: a contractor with good past work welcomes inspection.
Should I check the hidden trades too?
Yes, ask specifically about plumbing, electrical and waterproofing, since failures hide inside walls.
Do past checks replace the contract?
No; checks inform the choice, and the written contract still governs the work.

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