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Planning & preparation

  • When choosing your kitchen worktop, consider the different materials available. Wood, granite, composite and laminate are the most popular. Each needs cutting and treating differently, so always check with the manufacturer.
  • In this guide, the worktop pictured is pre-cut laminate, but wood and some composites can be fitted in the same way. If you have to trim the worktop, mark a cutting line on the underside with a pencil, double checking the measurements, and then cut using a power saw. Use a file or sandpaper to remove any rough edges. To cut or fit stone or granite worktops, always use a professional tradesperson.
  • Worktops usually overhang base units. The worktop in this leaflet is 600mm deep, providing a 10mm overhang at the front. It has been cut to allow a 20mm overhang at the ends.
  • When deciding which taps to buy, take into consideration your sink unit. To accommodate mixer taps, your sink unit only needs one tap hole. For separate hot and cold taps, it needs to have two holes. Make sure the water supply is turned off before you remove an old sink and tap, or fit new ones.

Do it right

When planning how to fit your worktop, always make the best use of the factory-cut edges. These will always be perfectly square cuts, so use these where possible when making joins in corners.

Staying safe

  • Always wear safety goggles and gloves when operating drills, hacksaws, and power-saws.
  • Face masks should also be used when cutting laminate surfaces as they are made of chipboard and will release dust when cut.
  • When using adhesive, ensure you protect nearby surfaces and open a window for ventilation.
  • If replacing an old sink and tap, make sure you turn off the water to the area before attempting to remove them. Also, avoid lying directly underneath when removing the old sink, as small parts may fall down during the process.
  • This leaflet is designed to guide you safely through the process of fitting a worktop, sink and tap. If you’re in any doubt, please seek advice from an expert and always follow manufacturers’ instructions.


Always use cleaning products that are appropriate for your chosen worktop, sink and tap to avoid damaging the materials. You should be able to find guidance for this in the manufacturers’ instructions.

Step by step

Step 1

Position the sink upside down on the worktop where you would like it to be located and draw around it with a pencil.

 Guide Step
Step 2

Move the sink and draw a second line, about 10mm – or the depth recommended by your manufacturer – inside the first line.

 Guide Step
Step 3

Use a 10-15mm drill bit to make four holes in the corners of the inner line you’ve drawn.

 Guide Step
Step 4

Place your jigsaw blade into one of the holes and cut carefully along the inner line. Support the area of worktop you are cutting around so that it doesn’t drop down.

 Guide Step
Step 5

Remove the cut area and treat the edges of the worktop by brushing with a waterproof sealant and leaving to dry.

 Guide Step
Step 6

Assemble the sink, tap and waste unit using the manufacturer’s instructions.

 Guide Step
Step 7

Position the sink using either the supplied edging strip or a bead of silicone on the cut edge of the worktop. Then use the supplied clips to fix the rim on the underside of the sink to the worktop, using two on each side. This will secure it in place.

 Guide Step
Step 8

Use flexible connectors to attach the new tap or taps to the existing supply pipes, applying PTFE tape to the thread of the pipe, to help create a watertight seal.

 Guide Step
Step 9

Turn the water back on and check for any leaks – tightening the valves with a Monobloc tap box spanner if necessary.

 Guide Step
Step 10

Run a bead of silicone along the back edge of the worktop and smooth it down with a sealant finishing toolfor a neat and watertight finish.

 Guide Step