5 Common Construction Mistakes (and How to Avoid Them)

The expensive errors we see most often on Kenyan building sites — and the fixes that save millions.

1. Skipping the soil test. Black cotton and expansive clay soils are common across Kenya. A KES 15,000 soil test can save you KES 500,000 in foundation repairs.

2. Buying materials in bulk without storage. Cement absorbs moisture, steel rusts, and timber warps. Buy in stages tied to your construction schedule.

3. Hiring fundis without a written contract. Verbal agreements lead to scope creep and disputes. Always document the scope, cost and timeline.

4. Ignoring approval timelines. Starting construction before approvals can lead to demolition orders. Plan your build around the 30–60 day approval window.

5. Choosing finishes too late. Tile, paint and fixture decisions affect electrical and plumbing layouts. Lock these in during the design phase, not after walls go up.