How to fit kitchen plinths

Video by The Carpenter's Daughter. This guide is based on the "Fitting Kitchen Plinths" video from The Carpenter's Daughter — Vikkie Lee's popular UK DIY channel. She walks through a real kitchen plinth installation with clear close-ups on the clip system, corner joints, and the tricky cuts around appliances. Genuinely useful if you want to see the technique before you start.

1. Measure each plinth run carefully

Measure the length of each base unit run from end panel to end panel. Write down each measurement separately — even a run that looks identical to the one next to it is often slightly different once you account for corner posts and end panels.

Measure the height of the kickboard space too. Most are 150–175 mm, but older kitchens or uneven floors can vary. The plinth board needs to sit flush with the bottom of the unit doors without touching the floor.

2. Gather the right kit

You will need the plinth boards themselves (usually supplied with the kitchen), plinth clips, a fine-tooth saw or mitre saw, a tape measure, pencil, and a sharp craft knife for trimming. A mitre block is handy for clean 45° cuts at corners.

Check you have enough clips. Most manufacturers recommend one clip every 300–400 mm. Running short of clips mid-job is a fairly irritating way to spend an afternoon.

3. Fit the plinth clips to the adjustable legs

Plinth clips press onto the bottom of the adjustable leg feet that run along the base of the unit carcasses. Push each clip on firmly until it clicks. They are designed to grip, not slide, so do not be shy with them.

Space the clips evenly along the run, with one close to each end. The clips hold the plinth out slightly from the leg so it sits vertical even if the floor is not perfectly level.

4. Cut plinths to length

Cut the boards to your measured lengths. A fine-tooth panel saw or a jigsaw with a fine blade gives a clean edge on melamine-faced board. If you are using a circular saw, cut face-down to avoid chipping the visible surface.

Take a little off rather than too much. You can trim again. A gap is harder to fix than a slight overhang you can shave back.

5. Snap the plinth onto the clips

Press the plinth board firmly into the clips from the bottom edge upwards, walking along the run as you go. You should feel or hear each clip engage. Give the board a light tug to check it is held securely before moving on.

Do not force it. If a clip is not engaging, check it is seated properly on the leg foot and has not rotated. One clip slightly out of position will stop the board sitting flat.

6. Handle corners with the right joint

For an internal corner, cut both boards at 45° so they meet cleanly. For an external corner — around a peninsula or island — a corner post or a pre-mitred joint piece gives a neater finish than trying to mitre two boards perfectly on site.

Some kitchens come with pre-made corner strips. Use them if you have them. They exist for a reason and the results look significantly more polished than a DIY mitre that has drifted a degree or two.

7. Cut around appliances and end panels

A freestanding dishwasher or washing machine needs a notch cut in the plinth so it can be slid in and out. Measure the appliance base width carefully and mark the cut on the board before sawing.

End panels at the side of a run usually need the plinth trimmed flush or cut at a 45° return. Take your time here — it is the detail that catches the eye most when someone walks into the kitchen.

When to call a handyman

Call Richard if the floor is very uneven and the plinths will not sit flat without shimming, the kitchen is a curved or unusual layout, or the existing legs need adjusting before the plinths will even clip on. Plinth fitting looks simple but a floor that drops 10 mm across a run can make it surprisingly awkward.