Professional Building Inspection & Field Report | Koh Samui, Thailand

Before the concrete closes, you
still have a chance.Start with a professional inspection
and a detailed field report.

Building or buying a villa in Thailand is an investment of millions, but photos and updates from your contractor don't always tell the whole story.

A professional inspection and detailed report let you catch defects while they can still be fixed, before they turn into an expensive problem.

I'm Idan, a certified construction technician and building inspector in Koh Samui.

The report gives you a real picture of what's happening on site: what was checked, what was found, what needs fixing, and what to verify before moving to the next stage.

The goal isn't just to improve construction quality, it's also to protect your budget, your timeline, and your return on investment.

Even if you're on the island, or anywhere else in the world.

Want to start with a single inspection and see where things stand?

Schedule a Free Call View Sample Reports

Critical Inspection Stages

Before closing up, inspect at the points where you can still stop, fix, and move forward.

01 Structure & Concrete Pours

Checking workmanship before the concrete is closed, including honeycombing, rebar cover, concrete integrity, cracks, and overall pour quality. A problem caught at this stage costs a few hours of fixing. A problem that moves to the next stage can cost tens, if not hundreds of thousands of baht in demolition and rebuilding.

02 Waterproofing

Checking critical points before the work gets covered up. A waterproofing issue that isn't caught in time can surface within days, weeks, or months, requiring expensive work that would have been entirely avoidable if caught early.

03 Electrical & Plumbing

Checking that utilities, locations, and workmanship match the plan you agreed on with your contractor, before the walls are closed. After the walls are closed, the same problem becomes a repair job that wasn't in your budget, or a compromise you have to live with.

04 Finishes & Handover

Identifying defects and workmanship issues before you sign off on handover. Once you accept the property, the contractor is gone, and every repair becomes your expense.

What I Offer

Start with a professional inspection and detailed report, and continue with the level of support that fits your project.

One-Time Inspection & Detailed Report

The simplest way to understand where your project stands.

I visit the site, inspect the current stage, and deliver an organized report with photos, findings, explanations, and recommendations for next steps (the recommendations are included in the report at no extra charge, unlike common practice in the industry).

Starting from ฿5,000 per inspection, depending on the size and complexity of the project

Periodic Inspections Throughout Construction

For owners who want oversight at the critical points.

Repeat inspections timed to your construction progress: structure, waterproofing, utilities, finishes, and follow-up on repairs. Each inspection is documented in its own report.

Price based on plan

Full Supervision & Project Management

For those who want ongoing professional presence on site.

Broader support that includes tracking workmanship, coordinating with contractors and professionals, flagging issues, and clear, regular updates.

Price based on project scope

What Clients Say

Three owners. Three problems caught in time.

I asked Idan to come to the site during the structural stage of my villa in Koh Samui. He found waterproofing issues at points the contractor hadn't even mentioned. The report was very detailed – photos, explanations, and exactly what needed to be done. For the first time I felt like someone was working for me, not for the contractor. We avoided costly problems long before they became real damage.

Liron | Villa owner, private investment in Koh Samui

Idan came to the site at exactly the point I asked, before the electrical infrastructure was covered up. He identified a mismatch between what was actually built and the original plan. What impressed me most was how clearly he explained everything, in plain language I could understand, and he gave me exact advice on how to approach the contractor with the findings. Professionals at this level are rare in Koh Samui.

Elad | Real estate investor, new construction project

I was managing the project remotely from Israel and couldn't be there myself. Idan was my eyes on the ground. I received reports with photos after every inspection, he was always available for questions and always straightforward, even when the news wasn't good. Thanks to one of his inspections, we caught a plumbing error before the finishes were completed. I don't want to think about what that would have cost after handover.

Yael | Property owner from Israel, remote project management

Sample Findings From the Field

This is what a real field inspection report looks like.

Every finding is documented with a photo from the site, a detailed explanation of what it means, and the steps required to fix it. The report is a decision-making tool, not just a list of problems.

Zoom in

Serious Structural Finding

Multiple Defects in a Concrete Column (Deviation, Honeycombing, Cracks)

This finding revealed several problems at once. The orange line in the photo shows the deviation between the column's axis and true vertical. A column that's off by even one millimeter at the base can be off by centimeters at the height of the next floor. The beam poured on top of it will carry uneven loads, create unplanned stresses, and become a silent failure point that only shows up when it's too late. Honeycombing in the concrete body, along with cracking and chipping, are dangerous problems caused by improper concrete pouring and handling.

What was done on site: Detailed measurement results, a stop-work order to the contractor, and a safety requirement to fix every column before pouring the beams.

Rebar bent against the structural engineer's instructions

Zoom in

⛔ Work Stopped On Site

Rebar Bent Against the Structural Engineer's Instructions

The workers bent the moment-resisting rebar on their own, without engineer approval, just to make it fit the formwork more easily. It's a shortcut that only looks harmless, but rebar bent in the field outside its designed flex points loses its ability to transfer moment force, creates stress concentration points, and endangers the integrity of the beam for the life of the building, and the safety of the people living in it.

What was done on site: Work was stopped immediately. The contractor was required to inspect and replace all defective rebar.

Pipes embedded without a protective sleeve

Zoom in

⛔ Work Stopped On Site

Pipes Embedded Without a Protective Sleeve Before Plastering

The contractor was moments away from closing up the plaster. The pipes had been embedded directly in the brickwork without a protective sleeve, and as a result were completely crushed, with grooves running the full length of the pipe. This is a very common practice in Thailand, and it's completely wrong. If the work hadn't been stopped in time, any future repair would have required tearing everything apart just to find the source of a leak.

What was done on site: Work was stopped. The contractor was required to replace the pipes and install protective sleeves. Once the plaster is on, there's no way to know what's hidden inside.

What's included in the report?

Beyond the photos, every finding comes with a full professional analysis:
severity level, structural implications, repair steps, and exactly what to demand from the contractor.

Inspection report - roof beam casting, critical time deviation

Roof Beam Casting: Critical Finding

Time deviation and missing structural supervision flagged.

Inspection report - column floor filling follow-up

Column Filling & Site Follow-Up

Tracking prior findings and site conditions.

Inspection report - foundations and reinforcement mesh check

Foundations & Reinforcement Check

Spacer and rebar layout verified before casting.

Who's Behind the Report

Idan, certified construction technician and building inspector in Koh Samui

Work Permit
Registered Thai Company

A building inspector on your side, with field experience and an owner's perspective.

I'm Idan, a certified construction technician and building inspector based in Koh Samui. For about a decade I've worked in construction supervision and building inspection, including several years as a municipal building inspector in Tel Aviv, Israel — day-to-day work that included final occupancy approvals (the local equivalent of a certificate of occupancy), completion certifications, defect detection, code violations, and verifying construction against approved plans.

Since moving to Koh Samui, I've supervised projects on the island and gotten to know first-hand what it's like working with local crews and the specific challenges of building in this environment.

I'm not here to replace your local contractor.
I work for the property owner, and my job is simple:
to tell you what's really happening on site.

About a Decade of ExperienceConstruction supervision, building inspection, and defect detection.

On-Site PresenceReal inspections and documentation, not remote updates.

Your InterestWorking for the property owner, not the contractor.

Clear CommunicationWhat was found, what it means, and what needs to be done.

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Frequently Asked Questions

Everything you wanted to know before reaching out.

I work as the property owner's representative, not in conflict with the contractor. I'm not there to replace them. My role is to make sure the work matches the plans and standards, document what's found, and demand the necessary repairs. I know the local construction practices in Koh Samui and where the common failures happen.

The length of the inspection depends on the size, complexity, and stage of the project. The report is usually ready within 48 hours of leaving the site.

The report is written in English by default, so you can easily share it with local contractors and professionals. A Hebrew version is available on request.

The report is a documented professional record that you can present to the contractor, to the authorities, or even to a future buyer of the property. Professional documentation shifts the balance of power in that conversation.

Absolutely. I can join a project at any stage. Even if construction is already underway, a single inspection can uncover findings that need attention before moving to the next stage.

An inspection for a single villa starts from ฿5,000 (Thai Baht), depending on the size and complexity of the project.

Before the concrete closes, you
still have a chance.Start with a professional inspection
and a detailed field report.

Before closing up, inspect at the points where you can still stop, fix, and move forward.