How to plan a house layout

Start with the daily routine, not the rooms

A house plan rarely fails because a room is the wrong size. It fails because two rooms used at the same time sit next to each other, or because the route from the front door to the kitchen crosses the busiest part of the house. Write the day down first: who wakes first, who cooks, where laundry happens.

Then mark the moments that must not collide. A kitchen against a bedroom wall means an extractor running at 6 a.m. beside a sleeping child. A living room on the only path to the bathroom means every conversation passes the hallway. These are the constraints a plan can solve, and they are cheap to solve on a plan.

• List who is in the household and when each person needs space
• Mark the pairs of activities that must not happen side by side
• Decide which room has to be quiet and which can be noisy
• Keep the routine list open beside you while you draw

Note: A plan drawn from a furniture catalog starts with the wrong question. Furniture follows the routine, not the other way round.

Choose an envelope and decide what to change

Open the template gallery from the floor plan toolbar. There are 70 floor plan templates across 8 categories, and the residential group alone covers 23 kinds of home, from a studio apartment to a four-bedroom family house, a bungalow and a farmhouse. Pick the closest footprint and treat it as a starting point rather than a plan.

A template arrives as an ordinary editable project. Every room, wall and dimension can be changed, and nothing stays locked to the original once it is placed. The room sizes in the catalog are typical figures rounded to 50 mm, so they are a rough guide rather than a promise about your building.

Decide what to keep before you edit. If the template has a hallway in the right place, keep it and change the rooms around it. Moving the entrance changes the entire circulation, which is a different job from resizing a bedroom.

• Search the gallery by tag and filter it to the residential category
• Choose the closest envelope, then delete the rooms you do not need
• Edit a template rather than starting again from an empty plan
• Write down which one or two features you are not allowed to move

Note: The template tour lists what each of the 70 starting points is built for, so you can pick one by the space you are planning rather than by the picture.

Place the rooms that fix the layout first

Some rooms fix a plan and the rest adapt to them. The kitchen usually anchors one side because it wants plumbing and an outside wall, a bathroom wants the same wall as the kitchen, and the front door fixes where circulation starts. Place those first, then let everything else find a place around them.

In the builder each of those is a room rectangle with a Type that tells the plan what it is: kitchen, bathroom, utility room, laundry, storage, garage, entry. Setting the type properly matters, because the type drives the fill color on the drawing and the category column in the CSV room schedule you send to a builder or an agent.

Type the sizes instead of dragging them. The inspector takes an exact Width (mm) and Height (mm) for every room, so a kitchen holding a 1600 mm run of worktop can be 4000 by 3200 mm and stay that way when you resize something else.

• Anchor the kitchen and bathroom on the same wall where you can
• Give the entry a door and somewhere to drop bags and coats
• Type exact millimeter sizes for rooms that must fit something
• Give the envelope thicker walls than the internal partitions

Connect the rooms with circulation

Circulation is space, and it is the first thing to disappear when a plan gets tight. A hallway needs enough width for two people to pass, and every door needs space in front of it to swing open without blocking the route. Draw the path from the front door to the kitchen, to the bathroom and to the bedrooms, then check that path in the plan rather than in your head.

Doors decide where people have to walk. Place each one with the Door tool, click the edge of the room it serves, and then set the swing to Left or Right in the inspector. A door that swings across a doorway is the classic fault, and it is much easier to catch on the drawing than after the door has been ordered.

The easiest way to test a route is to walk it. Follow the path with the Select tool, room by room, and ask at each turn whether a person carrying a bag could pass. Where you hesitate, the plan needs another look.

1. Draw the route. Use the Dimension tool to mark the length of the main path, from the entry to the far end of the plan.
2. Place the doors. Add each door on the correct room edge and set the swing direction in the inspector.
3. Walk it again. Follow the path once more and check that no door leaf blocks the way through.

Check light, privacy and noise

Windows are the cheapest way to describe daylight on a plan. Put them on the edges that face outside rather than on an internal wall, and place each one with the Window tool on the edge of the room it belongs to. A window on an internal wall has no daylight behind it, whatever the drawing suggests.

Then check the three things a plan can only show as relationships: who can see into which room, which rooms share a wall with a toilet or a kitchen, and whether a bedroom sits next to a busy space. These are the findings that are obvious in a drawing and invisible in a room list.

Record the reason for each choice as a note on the plan. A note that says which side gets the evening sun saves the next person, including you in three months, from re-deciding the same question.

• Windows on outside walls, one per room that needs daylight
• Check the shared walls between quiet rooms and noisy ones
• Look for two rooms that look straight into each other
• Write the reason for each decision in a note on the plan

Note: Orientation and sunlight are not computed for you. The plan shows where a window sits, not how much light arrives through it.

Review the layout with the people who live in it

Show the plan early, on a screen, with the question from the first section in front of you. Ask each person to walk their own route through it: from the door to the kitchen, to the bathroom, to their bed. Where somebody stops and asks a question, you have found the thing the drawing could not explain on its own.

Keep two options rather than defending one. Duplicate the plan in a second workspace tab, change one thing in each, and compare the areas in the room schedule. The version history keeps 20 snapshots of the document, so a layout you liked three changes ago is one click away, and the complete Canvasola guide explains how tabs and history fit together.

End the review with a written list of what the plan still does not answer. Most house plans are finished in the sense that everyone agreed, not in the sense that every detail was settled.

• Ask each person to walk their own route through the plan
• Compare two options in the room schedule before choosing one
• Use the version history to return to the layout you preferred
• Write down what the plan still leaves unanswered

A checklist you can reuse

• The household's daily routine is written down beside the plan
• Rooms that fix the layout were placed before the flexible ones
• Every room has a name, a type and a size in millimeters
• The route from the front door to the kitchen is clear
• No door swings across the only path through the plan
• Windows sit on outside walls wherever daylight is needed
• Two options were compared in the room schedule before choosing

Common mistakes to avoid

• Furnishing before zoning. Choosing the sofa and the bed first turns the plan into a furniture diagram. Decide which zones the rooms serve, then place the furniture inside them.
• Ignoring the wall between rooms. Two rooms that share a wall also share noise and heat. Check that wall on the plan before you decide it does not matter.
• Squeezing circulation to gain a room. A hall narrowed to fit an extra cupboard costs more than the cupboard is worth. Draw the route first and let the leftover space go.
• Trusting the catalog dimensions. Template sizes are typical figures rounded to 50 mm. Replace them with your own numbers before you compare areas or quote a price.
• Reviewing the plan on your own. A layout checked only by the person who drew it misses everyone else's routine. Walk the routes with the household.

Frequently asked questions

Should I plan a house from a template or from scratch?

From a template when the shape of your home resembles one of the 70 starting points, because a template gives you a whole room program to react to. From scratch when the plot, the street frontage or a fixed wall decides the shape, and a template would only get in the way.

How much space should a hallway take?

Enough for two people to pass without turning sideways, and enough in front of each door for it to open fully. Rather than arguing about numbers, draw the route and check the turning space, because a route that pinches tells you more than any rule of thumb.

Can I plan two floors at once?

Not in this version. The floor plan builder works on one level at a time, and the template catalog is a set of single-level layouts. A split-level or a maisonette can be drawn as one arrangement, but it will not hold two stories in the same plan.

Is a house plan from Canvasola good enough to build from?

No, and the builder says so plainly. It is a planning aid with typical dimensions, not a survey and not a code-compliant construction document, so a real build needs a measured drawing and the professionals your local rules require. Use the plan to settle the layout and let somebody qualified turn it into something that can be built.

This guide is part of the floor plan guides collection. For the wider product tour, read the complete Canvasola guide, and keep the keyboard shortcut cheat sheet open while you work.