kitchen

How to Install Kitchen Worktops: Laminate, Solid Wood and Quartz

Gabriel

10 Dec 2025 — 3 min read

Kitchen worktops are one of those components where DIY fitting is entirely possible for some materials and strongly inadvisable for others. This guide is honest about which types of worktop a competent DIYer should attempt and which are better left to specialists — and covers the complete process for the types that make sense to tackle yourself.

Which Worktops Can You Fit Yourself?

Laminate worktops (Egger, Formica, Kronospan): Ideal for DIY. Available in standard 3000mm lengths from B&Q, Howdens, Wickes or online. Can be cut with a jigsaw or circular saw. Post-formed (curved front edge) or square-edged. Around £40–120 per 3m length. The most popular kitchen worktop type in the UK.
Solid wood (oak, ash, walnut): Can be DIY-fitted by a competent carpenter. Requires different considerations — movement allowance, oiling, and sink cutouts need care. £200–600 per 3m run.
Solid surface (Corian, Hi-Macs): Requires professional fabrication and installation — joins are chemically welded and require specialist tools. Not DIY.
Quartz and granite: Must be professionally fabricated and installed. These materials are extremely heavy (65–80kg per m²), require specialist cutting equipment, and are typically templated and fabricated off-site. Any DIY attempt risks very expensive breakage and a dangerous working situation. £400–1,000/m² installed.

Measuring and Ordering

Measure the worktop run at the back wall (where cabinets meet the wall) and add 40mm for the overhang over the cabinet face. The standard overhang is 40mm, bringing the front edge to the approximate door face line. Standard UK worktop depth is 600mm, fitting a standard 560mm deep cabinet carcass.

For L-shaped or U-shaped runs, you need to plan the joint positions carefully — ideally joints should not be in high-use areas (immediately next to the sink or hob) or visible from the main kitchen entrance. Mark up a plan and identify where joins will fall before ordering.

Cutting Laminate Worktops

Laminate worktops must be cut with the decorative face downward when using a jigsaw (jigsaw blades cut on the upstroke and will chip the face if cutting face-up), or face-up with a circular saw (which cuts on the downstroke). Use a fine-tooth worktop blade — standard wood blades tear the laminate.

Use a straight edge guide clamped firmly to the worktop — freehand cuts will never be straight enough.
Score the cut line on the face with a sharp knife before cutting to minimise chip-out.
For cutouts (sink, hob): drill a starter hole for the jigsaw blade, then cut slowly along the marked line. For undermount sinks, the rim is hidden by the sink — standard tolerances apply. For inset sinks, the cutout must be precise.

Joining Worktops

Worktop joints are made with purpose-made connector bolts (jockey bolts or worktop bolts) pulled tight from below, with a biscuit joint to align the pieces and worktop joining strip (or silicon) to seal the joint from above.

Cut both worktop ends to be joined — they must be perfectly square to each other. Use a template square if in doubt.
For a butt joint or mitre joint (at a corner), the joining strip is metal or plastic trim glued into the joint before pulling tight.
For a scribe joint at a wall: the worktop end laps over the adjacent run, the overlap is marked and cut with a jigsaw to create a tight fit.
Apply waterproof PVA or silicone sealant in the joint before drawing together, then tighten the connector bolts from below.

Fixing to Cabinets and Sealing

Secure worktops to the cabinet carcasses from below using worktop clip brackets (Screwfix, around £5 for a pack of 10). Silicone seal the worktop to the wall behind — this prevents water running down behind the worktop and into the cabinet. Use a clear kitchen silicone and finish with a wet finger for a neat bead.

For solid wood worktops: allow movement by using slotted clip brackets, not rigid fixings — solid wood moves with humidity changes. Oil immediately after installation and annually thereafter (Danish oil, tung oil, or purpose-made worktop oil).