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Canterbury homes often mix older timber floors with extensions and renovations, where subtle slope can signal subfloor movement or uneven settlement. A digital floor level survey shows exactly what’s moving, where, and by how much.
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We take systematic level readings across each accessible room to create a clear map of highs, lows, and overall fall. This matters because the pattern (even slope vs sudden step) helps distinguish normal ageing from potential subfloor or footing issues.
We measure across junctions where extensions, raised floors, or renovated open-plan areas meet the older structure. Canterbury homes often have staged renovations, and differential movement can show up first at these join lines.
Extra measurements are taken along load-bearing walls, near chimney breasts (where present), and around major beams where floor movement commonly concentrates. This helps identify whether the floor is deflecting between supports or settling at supports.
We focus on areas prone to hidden water impact such as bathrooms, laundries, and kitchen wet walls by tightening the measurement grid. Localised depressions can indicate subfloor moisture issues, compromised bearers/joists, or slab edge movement.
Your report summarises key gradients and notable deviations without burying you in raw numbers. We explain what the measurements mean for livability, finishes (tiles, cabinetry), and whether the pattern suggests monitoring or next-step investigation.
Where slopes relate to visible symptoms (cracks, sticking doors, uneven skirting lines), we include photos and link them to the measured areas. The results also provide a baseline so you can re-check the same points after repairs or over time.
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Get Digital Floor Level Survey as part of a comprehensive inspection package
Find answers to the most frequently asked questions about our inspection service.
Yes. Many older Canterbury homes have suspended timber floors that can develop slope from subfloor movement, ageing stumps, or changes made during renovations. A digital survey measures levels across rooms and along key walls to show whether the floor is gradually out of level or has sharp changes that may point to localised support problems. The report is also a strong baseline for future monitoring.
A building inspection notes symptoms such as cracking, sticking doors, or uneven floors. A Digital Floor Level Survey quantifies the floor surface with a structured set of readings and produces a level map you can compare room-to-room. It’s designed to answer “how much” and “where”, which helps when you’re planning restumping, engaging an engineer, or deciding whether a slope is acceptable for your renovation goals.
Yes. Where an older section meets a newer extension, the floor can sit at different heights or move differently over time. We measure across the transition line and into both zones to identify differential movement and any step or sudden gradient change. This is especially useful before replacing flooring, adjusting door heights, or investigating whether the junction needs structural review.
Yes. We can measure floor levels on concrete slabs and compare readings across living areas, hallways, and near wet areas. While slabs don’t “bounce” like timber floors, measurable level changes can still affect tiling, drainage falls, cabinetry alignment, and door operation. The level map helps determine whether the issue is widespread or limited to a particular corner, room, or slab edge.
Start by using the level map to identify whether the issue is localised or spread across the home. If the pattern suggests structural movement, the next step is often a structural engineer’s advice, particularly before restumping, underpinning, or major renovations. If the unevenness aligns with wet areas, you may also need plumbing or moisture investigations. ACE’s report gives you clear measurements to take to the right specialist.
Still have questions?
Get in TouchACE Building and Pest Inspections delivers precise level mapping and a practical report you can use to plan repairs or renovations with confidence. Call 0413 163 187 to organise your Canterbury survey.