By the MyPlanDIY editorial teamLast updated
A good flooring project starts well before the first plank clicks into place. It begins with an accurate measure-up, the right floor type, an honest look at the subfloor, a sensible waste allowance, and a plan for underlay and finishing. This guide walks you through the whole picture – and along the way the flooring calculator turns your area into a real pack count and a material list you can actually shop from.
Most flooring projects come down to one of three choices. Laminate is tough and affordable and works well in living rooms, bedrooms and hallways. Click flooring (vinyl or laminate with a click system) is easy to lay yourself and comes in water-resistant versions. Floorboards and solid wood give a premium look but cost more and ask for more care. Tile is a related but different project – the right call for bathrooms and utility rooms with plenty of water.
The choice depends on the room, how much wear the floor takes, moisture, how easy it is to maintain, the price and how DIY-friendly it is. There's no single best floor – only the one that fits your room and your budget.
The basic measurement is length × width. If the room is irregular or L-shaped, split it into rectangles, measure each area and add them up. Include the whole floor area – it's the entire floor you have to cover. Only subtract fixed cabinets or other areas if the floor genuinely won't run underneath them.
Once you have the area, enter it into the flooring calculator, which works it through to a pack count.
Flooring is sold in whole packs, and each pack covers a set area. So your measured floor area isn't the same as the amount you buy. You need to round up to whole packs and add a little extra for cuts at walls, door frames and corners. Complicated rooms with lots of niches or a diagonal layout need more waste than a simple square room.
To see how the numbers fit together, read the short answer in how much laminate flooring do I need, or let the flooring calculator round up and suggest a waste percentage for you.
A new floor is only as good as what it sits on. Check that the subfloor is reasonably flat, clean, dry and stable, and look at whatever is already down there. Dips and loose sections should be sorted before you lay flooring. If you're unsure about moisture, load-bearing or the construction itself, that's a judgment call best made from the actual conditions – and, when in doubt, with help from a professional.
It's easy to mix up three things: underlay smooths the base and makes the floor comfortable underfoot, acoustic underlay cuts sound through floors, and a vapor barrier protects against moisture from below. Some products combine several of these in one underlay.
What you actually need depends on the flooring product, the subfloor, the room and – most importantly – the manufacturer's instructions. A vapor barrier isn't a universal requirement; it's something you assess from your specific conditions.
Finishing is what makes a floor look done – and it's the part most often left off the first material count. Think about baseboards along the walls, transition strips at doorways and between rooms, cutting around pipes and edges, and the expansion gap the flooring manufacturer specifies. Plan these from the start so you're not left short a strip once the floor is otherwise laid.
A flooring project is more than just the floor. A realistic material list usually includes:
Work out the quantities in the flooring calculator, gather it all into a material list and track the spend in the renovation budget.
DIY often makes sense for a single room with a stable, flat subfloor, a click system and few tricky finishes. If you're up for the install itself, follow our practical guide to installing laminate flooring yourself.
A professional can be worth it where there are moisture problems, an uneven subfloor, several connected rooms, complicated transitions, expensive materials, or a build where a mistake is hard and costly to fix afterwards.
Once you've calculated the floor, the calculation can be used to create a project in MyPlanDIY. That way you gather the material list, budget and tasks in one place, update prices as you get them, and print the shopping list to take to the store. The journey stays the same all the way through: calculate packs and underlay, save as a project, and carry on with materials, budget and print.
Plan for about 5 % waste in a simple square room, 10 % with angled walls or lots of thresholds, and up to 15 % for a diagonal layout. Buy one spare pack too – matching the batch and shade later is hard.
Split the room into rectangles, measure each area (length × width), and add them together. That gives you the total floor area to enter into the flooring calculator.
Often, but not always – some floors have underlay built in. Whether you need separate underlay, and which type, depends on the flooring product, the subfloor and the room. Always follow the flooring manufacturer's guidance.
It depends on the subfloor and the room. Moisture protection is usually relevant over concrete or in basements, but it isn't a universal requirement. Check the manufacturer's instructions and your actual conditions before deciding.
Many manufacturers recommend 1–2 days packed in the room before laying, so the material adjusts to temperature and humidity. Follow the specific guidance on the pack, since it varies by product.
In many cases yes, as long as the existing floor is flat, stable and dry. Soft or uneven surfaces may need prep first. Assess your actual conditions and the manufacturer's guidance.
Find the floor area in m² (or sq ft), add waste, and divide by the coverage per pack – always rounding up, since packs are sold whole. The flooring calculator does this automatically and suggests a waste percentage.
Typically: flooring packs, underlay, moisture protection where relevant, skirting/baseboards, transition strips, spacers and a little consumable like saw blades. The finishing pieces are the ones most often forgotten – plan them from the start.
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