How Do You Level Kitchen Units on an Uneven Floor?

Adjustable Feet and Laser Levels

Every modern kitchen base unit is fitted with adjustable plastic feet — typically four per unit — that can be screwed up or down to raise or lower each corner independently. Using a laser level set to project a horizontal reference line at worktop height, the fitter adjusts each unit until the top of the carcass is exactly on the reference line. This process must be meticulous, because once units are fixed and the worktop is applied, any deviation becomes permanent and visible. The first unit installed is the most important — it sets the reference from which every subsequent unit is levelled. A mistake at this stage propagates across the entire run.

Packing Pieces for Extreme Variation

Adjustable feet typically provide 100–150mm of height adjustment. In most UK homes this is sufficient, but older properties can have floors that deviate by more than this within a run of units. Where the floor falls beyond the adjustment range, packing pieces — typically hardwood or plywood — are placed beneath the adjustable feet to extend the effective range. This is common in Victorian and Edwardian terraces, where floors can be significantly lower at the wall than in the centre of the room. Packing pieces must be stable and non-compressible — soft materials will compress over time and cause the kitchen to move.

What Our Survey Finds About Coventry Floors

Coventry's housing stock includes a wide range of construction ages and types. Victorian terraces in Radford and Stoke, inter-war semis in Coundon and Earlsdon, and postwar estates across the city all present different floor conditions. Pindi Sahota's survey visit assesses the floor level across the full kitchen area and identifies any significant variation before installation begins. This means there are no surprises on installation day — the right approach and materials are prepared in advance.

Levelling Wall Units

Wall units are levelled differently from base units, since they hang from fixings in the wall rather than standing on adjustable feet. A batten is often fixed to the wall at the correct height, checked with a laser level, and used as a temporary ledge to support the wall units while they are screwed into position. Once the fixing screws are driven into studs or suitable wall plugs and checked for level, the temporary batten is removed. Getting the reference line right before any wall unit is fixed is critical, since wall units are heavy once loaded and difficult to reposition afterwards.

Signs of a Poorly Levelled Kitchen

A kitchen that was not levelled correctly during installation shows several tell-tale signs over time: doors that swing open or closed on their own due to a sloping carcass, worktops with a visible fall that causes liquids to pool at one end, drawers that roll open under their own weight, and gaps that appear between units and walls that were not present at handover. If you notice any of these signs in an existing kitchen, it is worth having a professional fitter assess whether the units can be re-levelled or whether the issue stems from a more fundamental installation fault.