Luxury Basement with Home Theatre, Calgary
A completed Grains Construction project in Calgary. Consultation, 2D structure design, permits, construction, inspections and handover, walked through room by room below.
Walkthrough
Inside this project
The main living area
This is the room the whole layout is built around. Ceiling height, beam positions and duct runs were measured before framing so the main living area got the clear, uninterrupted span, and the bulkheads and service clearances were pushed into circulation and storage space where they are not noticed.
Recessed lighting is laid out on a grid rather than dropped in wherever joists allowed, and the flooring runs continuously through the space to make it read larger. Details like that are decided at drawing stage, which is why the finished room feels planned instead of assembled.
A proper theatre room
Acoustic treatment on the walls and insulation in the surrounding assemblies keep sound in the room. Lighting is on dimmable circuits with the cove detail framed in, so the room can go fully dark without being unusable between films.
A dedicated theatre is built backwards from the seating. Screen size sets viewing distance, viewing distance sets riser position, and the riser has to be framed before flooring. Wiring for projector, speakers and controls is pulled during rough in, because none of it can be added neatly afterwards.
The feature wall
Slatted timber and panelled feature walls need proper backing and a level substrate, because any deflection in the wall behind shows up immediately across a run of vertical lines. The wall was framed and prepared specifically to carry it.
Media wiring and power were run inside before the finish went on, so the wall stays clean with nothing surface mounted across it.
A wet bar with real plumbing
Cabinetry, counter and backsplash were specified as a set, with open shelving and under counter appliances planned into the elevation. It turns the lower level into somewhere people actually stay rather than somewhere they visit.
The word wet is the part that matters. A sink means supply and drain lines run to the location during rough in and inspected before anything was closed, plus dedicated circuits for beverage fridges and small appliances. Adding that later means opening finished walls.
The games area
A games area is decided by clearance, not floor area. A full size table needs room to draw a cue back on every side, so the surrounding space and the lighting above it were set at layout stage and the structure planned around keeping that zone free of posts.
Placing it here keeps the noise well away from bedrooms and the main floor, which is one of the practical arguments for putting entertainment space below grade.
Somewhere to sit down and eat
In a compact unit this is the detail that makes the difference between somewhere people camp and somewhere people live.
A defined dining space is what separates a self contained home from a room with a kitchen along one wall. It was zoned into the layout with its own lighting position set above the table location before ceilings were closed.
The stairs
Stair geometry is governed by code: consistent rise and run, minimum headroom, and a handrail at the required height. Existing basement stairs frequently fail one of those, and correcting them is part of bringing the level up to standard.
Finishing the stairs properly also does a lot of quiet work on how the whole level feels. It reads as part of the home rather than the way down to a basement.
Waterproofed before it was finished
Plumbing rough in was inspected before anything was closed up, and the finishes went on afterwards: tiled shower, glass enclosure, vanity, mirror and fixtures. Getting the sequence right is what keeps a basement bathroom dry for its whole life.
The bathroom is where shortcuts show up first, usually two winters later. Behind the tile there is a proper waterproofing system on the wet walls, the correct substrate and a floor built to fall to the drain. Mechanical extraction is ducted to the outside rather than into the joist space.
More Photos
The rest of the build
Scope Of Work
What this build involved
Free 2D Structure Design
A measured layout showing walls, room sizes, lighting and finishes, prepared at no cost before any construction starts.
Permits & Inspections
City of Calgary development and building permits applied for and managed, with every required inspection booked and attended.
Framing & Structure
Walls framed to code around existing beams, posts, ducting and mechanical runs, with proper headers and bracing.
Electrical & Plumbing
Rough in and final by licensed trades. New circuits, pot lighting, switches, outlets and any added plumbing runs.
Insulation & Drywall
Insulation and vapour barrier to Alberta building code, then board, tape, texture and paint.
Flooring & Finish Carpentry
Flooring, baseboard, casing, interior doors, hardware and fixtures supplied and installed.
Do I need a permit to renovate my basement in Calgary?
Yes. Once you add bedrooms, bathrooms, walls, electrical or plumbing, the City of Calgary requires a building permit, and often a development permit as well. We prepare the drawings, submit the applications and manage every inspection through to final approval as part of the job.
How long does a basement renovation take?
Most basement projects run 6 to 12 weeks from the first day on site, depending on the size of the space and how much plumbing and electrical is involved. Permit review time sits ahead of that and varies with City workload.
Can you build around my furnace and hot water tank?
Yes, and it is planned rather than improvised. Mechanical locations, duct runs and beam positions are measured at the consultation and designed into the layout, with bulkheads and service clearances allowed for before framing starts.
Is there a minimum ceiling height for a finished basement?
Alberta building code sets minimum finished ceiling heights, and it is one of the first things measured at the consultation. If headroom is tight under ducting, the layout is planned so the low points fall in storage or circulation space rather than in the middle of a room.
Does a finished basement add value to a Calgary home?
It adds finished, heated living area, which is what buyers and appraisers look at. A permitted basement with closed inspections is also far simpler at resale than undocumented work, which frequently has to be opened up or corrected before a sale can close.
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