The house guide

The house,
room by room.

Every room has its challenges. The ones homeowners here run into most often, the telltale signs, and what we check before proposing anything.

Explore the house
12
rooms and spaces
36
common challenges
4
levels, from basement to roof
Contemporary house drawn in line that becomes real
Overview

The whole house,
in section.

Hover over a room to see its challenges, then click to open its sheet.

2,30 m2,60 m2,40 m UPPER FLOOR+2,72MAIN±0,00BASEMENT−2,52 SECTION A-A · 1:100 · PBE RÉNOV BATHROOMBEDROOMKITCHENLIVING ROOM FAMILY ROOMMECHANICAL · LAUNDRYATTICDECK
Cut elements: walls, floors, foundationsRoofInsulationWindows
12 rooms

Where to start?

Choose a room on the drawing. Each sheet presents its most common challenges and what we check.

Basement

Family room

  • Moisture and water infiltration
  • Radon
  • Height and egress
Read the sheet
Basement

Mechanical room

  • An aging water heater
  • An undersized electrical panel
  • The forgotten air exchanger
Read the sheet
Main floor

Kitchen

  • Lack of storage and counter space
  • Poorly designed flow
  • The range hood and electrical
Read the sheet
Main floor

Dining room and open space

  • Opening a wall
  • What runs inside the wall
  • Connecting the floors
Read the sheet
Main floor

Living room

  • Drafts near the windows
  • Lack of natural light
  • The fireplace
Read the sheet
Main floor

Entrance

  • Snow, salt and boots
  • A door that lets air in
  • Seasonal storage
Read the sheet
Upper floor

Bathroom

  • Humidity and mould
  • Shower waterproofing
  • Aging plumbing
Read the sheet
Upper floor

Office and spare room

  • Working from home
  • A room that changes purpose
  • Tired finishes
Read the sheet
Roof and grounds

Attic and roof

  • Insufficient insulation
  • Ice dams
  • Attic ventilation
Read the sheet
Roof and grounds

Grounds and exterior

  • Water near the foundations
  • Freeze and thaw
  • Municipal rules
Read the sheet
Level −1

The basement.

What happens beneath your feet decides the comfort of the whole house: water, air, and the equipment that keeps everything running.

FAMILY ROOMLAUNDRYMECHANICAL 10.80 m · clear height 2.40 m8,00 m BASEMENT · 1:100
Basement · 01

Family room

Common challenges

  1. Moisture and water infiltration

    A basement is below ground level: water always finds a way. Finishing a damp basement means trapping the problem behind beautiful walls.

  2. Radon

    This natural, odourless gas comes from the ground and can build up in the lower rooms. Only a test measures it: Health Canada recommends a long-term test, ideally in winter.

  3. Height and egress

    Beams, ducts and pipes reduce the clear height. And a basement bedroom needs a window large enough to exit in an emergency.

Signs to watch for

  • White traces on the concrete
  • Musty smell
  • Damp carpet or bottom of walls
  • Cracks in the foundation wall

What we check

  • Where the moisture comes from, before closing the walls
  • The clear height under beams and ducts
  • Windows and exits for the planned use
See the Basement service
Basement · 02

Laundry room

Common challenges

  1. Dryer venting

    A duct that’s too long, flexible or crushed traps lint and heat. It should run straight outside, as short as possible.

  2. Washer leaks

    A hose that bursts can flood a finished room. A floor drain, a drip pan or reinforced hoses limit the damage.

  3. Ambient humidity

    Washing and drying add a lot of humidity to a room that is often poorly ventilated.

Signs to watch for

  • Lint around the duct
  • Dryer that heats but dries poorly
  • Original rubber hoses
  • Condensation on the pipes

What we check

  • The route and material of the dryer duct
  • A floor drain and shut-off valves
  • The room’s ventilation
See the Basement service
Basement · 03

Mechanical room

Common challenges

  1. An aging water heater

    A water heater has a limited lifespan. Past a certain age, the risk of leaks increases: its age is on its rating plate.

  2. An undersized electrical panel

    Heat pump, EV charger, induction cooktop: today’s homes need more. A 100 A panel can become a limit.

  3. The forgotten air exchanger

    Poorly maintained or missing, it no longer renews the air: humidity, condensation and stale air set in.

Signs to watch for

  • Rust at the bottom of the water heater
  • Breakers that trip
  • Windows streaming with water in winter
  • Filters never changed

What we check

  • The age and condition of the equipment
  • The panel’s capacity, with a master electrician
  • The home’s ventilation
See Comfort & energy efficiency
Level 0

The main floor.

The rooms where you live the most: where wishes are many, and where the structure often has its say.

STAIRS · ENTRANCE KITCHENLIVING ROOMDINING ROOM 5,40 m5,40 m8,00 m N MAIN FLOOR · 1:100
Main floor · 01

Kitchen

Common challenges

  1. Lack of storage and counter space

    The most common problem: poorly organized cabinets and a countertop that’s always cluttered, even in a large kitchen.

  2. Poorly designed flow

    Too many steps between the sink, the stove and the fridge, or an island without enough room to move around it.

  3. The range hood and electrical

    A hood that recirculates air instead of venting it outside, or circuits that can’t keep up with today’s appliances.

Signs to watch for

  • Countertop always full
  • Breaker that trips while cooking
  • Lingering odours and grease
  • Hard-to-reach cabinets

What we check

  • The existing plumbing and electrical
  • Load-bearing walls, if you want to open up
  • The hood’s exterior vent
See the Kitchen service
Main floor · 02

Dining room and open space

Common challenges

  1. Opening a wall

    The most common wish… and the most technical. A load-bearing wall can be removed, but with a beam designed by an engineer and, often, a permit.

  2. What runs inside the wall

    Plumbing, ducts, electrical wires: what a wall hides must be moved before it is opened.

  3. Connecting the floors

    Two rooms joined together don’t always have the same flooring or the same level.

Signs to watch for

  • Dark, closed-off rooms
  • Different flooring from one room to the next
  • A flow full of detours

What we check

  • The structure, with an engineer if needed
  • The systems inside the wall to open
  • Continuity of floors and ceilings
See whole-home renovation
Main floor · 03

Living room

Common challenges

  1. Drafts near the windows

    Often caused by a poorly insulated frame or a worn seal rather than the glass itself.

  2. Lack of natural light

    Windows that are too small or badly placed make a large room gloomy for much of the year.

  3. The fireplace

    A wood fireplace needs an inspected chimney. Many homeowners convert it to gas or electric.

Signs to watch for

  • Cold air near the windows
  • Condensation between the panes
  • Windows that frost up
  • Lamps on during the day

What we check

  • The condition of the windows and their installation
  • The insulation of the exterior walls
  • The fireplace and chimney
See Doors, windows & building envelope
Main floor · 04

Entrance

Common challenges

  1. Snow, salt and boots

    The entrance takes it all winter long: it needs a floor that resists water and salt, and a place to let things drip.

  2. A door that lets air in

    Worn weatherstripping, a poorly fitted threshold: the front door is a major source of heat loss.

  3. Seasonal storage

    Winter coats, boots, bags: without well-planned storage, everything piles up at the door.

Signs to watch for

  • Light visible under the door
  • Frost on the handle
  • Salt-stained floor
  • Coats on the chairs

What we check

  • The door, threshold and weatherstripping
  • The entrance floor and subfloor
  • The space available for storage
See Doors, windows & building envelope
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Describe your project in a few minutes.
It’s the first step toward your renovation.

Level +1

The upper floor.

The private rooms: bathroom humidity, summer heat and quiet at night.

BATHROOMPRIMARY BEDROOMOFFICELANDINGBEDROOM 4,20 m6,60 m8,00 m UPPER FLOOR · 1:100
Upper floor · 01

Bathroom

Common challenges

  1. Humidity and mould

    A fan that’s too weak, or that vents into the attic instead of outside, lets humidity settle in.

  2. Shower waterproofing

    Behind the tile, it’s the membrane that protects the walls. A slow leak can damage the structure without being seen.

  3. Aging plumbing

    And, more and more, the wish to age at home: curbless shower, grab bars, room to move around.

Signs to watch for

  • Black stains on the ceiling
  • Joints turning black
  • Tiles that sound hollow
  • Peeling paint

What we check

  • The fan and its duct to the outside
  • The condition of the walls behind the tile
  • The plumbing and shut-off valves
See the Bathroom service
Upper floor · 02

Primary bedroom

Common challenges

  1. Summer heat upstairs

    The upper floor can be much hotter than the rest: attic insulation and ventilation, windows and air conditioning are often the cause.

  2. Noise

    Creaking floors, noise between bedrooms or from the bathroom: soundproofing is planned during the work.

  3. Storage

    Closets that are too small or poorly organized: a classic in older homes.

Signs to watch for

  • Bedroom that’s hard to cool
  • Creaking floor
  • Noise from the bathroom
  • Overflowing closet

What we check

  • The insulation and ventilation above
  • Possible soundproofing of walls and floors
  • The closet layout
See Comfort & energy efficiency
Upper floor · 03

Office and spare room

Common challenges

  1. Working from home

    A room designed for sleeping now serves as an office: light, outlets, connectivity and quiet become essential.

  2. A room that changes purpose

    An office today, a child’s bedroom tomorrow: a flexible layout avoids redoing everything.

  3. Tired finishes

    Marked floors, walls repaired again and again: a refresh transforms the room.

Signs to watch for

  • Extension cords everywhere
  • Insufficient lighting
  • Worn floors

What we check

  • Outlets and lighting
  • Soundproofing
  • The condition of the floors and walls
See Floors, walls & finishes
Around the house

The roof and the grounds.

The house protects itself from above and below: the attic keeps the heat in, the grounds keep the water away.

SLOPE AWAY FROM THE HOUSESLOPE AWAY FROM THE HOUSE ATTIC · INSULATIONICE DAMGROUNDS · DRAINAGE ELEVATION · ROOF AND GROUNDS
Roof · 01

Attic and roof

Common challenges

  1. Insufficient insulation

    Many homes here have less insulation in the attic than is recommended today: it’s often the most cost-effective improvement.

  2. Ice dams

    Escaping heat melts the snow; the water refreezes at the edge of the roof and can back up under the shingles.

  3. Attic ventilation

    Blocked soffits or bathroom fans venting into the attic create condensation and mould.

Signs to watch for

  • Large icicles along the roof edge
  • Snow melting quickly on the roof
  • Stains on the upper-floor ceiling
  • Frost in the attic

What we check

  • The thickness and condition of the insulation
  • Ventilation from the soffits to the ridge
  • What vents into the attic
See Comfort & energy efficiency
Exterior · 02

Grounds and exterior

Common challenges

  1. Water near the foundations

    Slopes toward the house or gutters emptying at the foot of the walls send water straight to the basement.

  2. Freeze and thaw

    Decks, slabs and low walls must account for our winters, or they shift in the spring.

  3. Municipal rules

    Pool, fence, shed, addition: every town has its permits and setbacks to respect.

Signs to watch for

  • Puddles near the house
  • Water in the basement after rain
  • Slabs heaved in spring
  • Overflowing gutters

What we check

  • Slopes and downspouts
  • Foundations for landscaping
  • Your municipality’s rules
See Decks, pools & outdoor spaces
By the age of the house

Every era
has its issues.

  1. Before 1970

    Post-war houses

    Original electrical and plumbing, little insulation, single-pane windows. Some materials of the period, such as vermiculite or asbestos, must be checked before work begins.

  2. 1970 – 1990

    The age of bungalows and split-levels

    Original windows at the end of their life, a 100 A electrical panel, insulation to improve, and basements finished at the time without proper moisture protection.

  3. 1990 – 2010

    Equipment reaches the end

    Roof, water heater and heat pump are nearing the end of their life. Original bathrooms and kitchens are starting to look dated.

  4. After 2010

    A house to make your own

    The foundation is sound: it’s time to finish the basement, add an EV charger or a heat pump, and adapt the house to your life.

This guide presents common situations, not a diagnosis. Every house is different: a visit shows what really applies to yours.

Before you start

The right
questions.

Does this guide replace an inspection?

No. It helps recognize common situations and prepare the discussion. A visit confirms what applies to your home, and some points require a specialist: inspector, engineer, master electrician.

Which room should we start with?

With what can damage the house: water, humidity and safety come before looks. Then with what changes your daily life the most.

Can everything be done at the same time?

Sometimes it’s even more logical: when a wall or ceiling is open, it’s the right time to fix the insulation, plumbing or electrical. We set the order of the work with you.

Should radon be tested before finishing the basement?

It’s good practice. The test is done over a long period, ideally in winter, and lets you plan the necessary measures before closing the walls.

It all starts with a conversation.

Which room
concerns you most?

Even if your ideas aren’t fully drawn yet. We take the time to understand what matters to you.

Talk about my project