Calgary Basement Development That Adds Space & Value
Free In-Home Estimate
Interior Designer Included
5-Year Warranty
WCB Coverage
$2M Liability Insurance
5-Year Warranty
250+ Projects Completed
Custom Basement Spaces
Your basement shouldn’t be a dark storage cave. At Transformer Exteriors, we turn underutilized basements into livable, rentable, enjoyable spaces – from cozy family rooms to fully permitted legal suites. We handle everything: design, permits, construction, and final inspection. Fully licensed, insured, and local.
Select what you want in your basement:
- Legal suite (separate entrance, kitchen)
- Home theatre (soundproofing, projector wiring)
- Wet bar (sink, fridge, cabinetry)
- Fireplace (electric or gas)
- Heated bathroom floors
- Barn doors
- Built-in storage / shelving
- Soundproofing between floors
- Larger egress windows
- Home gym (rubber flooring, mirrors)
- Kids’ playroom (durable, washable finishes)
- Home office (proper lighting, data wiring)
OUR BASEMENT SERVICES
Full Basement Development
From bare concrete to finished living space
Legal Basement Suite
Permitted, separate entrance, rental ready
Home Theatre
Soundproofing, lighting, seating layout
Wet Bar / Kitchenette
Cabinetry, plumbing, appliances
Additional Bedroom / Bathroom
Egress windows, 3-piece bathrooms
Soundproofing
Between floors and between rooms
Kids' Playroom / Rec Room
Durable finishes, open layout
Home Office / Gym
Proper lighting, flooring, ventilation
WHY DEVELOP YOUR BASEMENT IN CALGARY?
Reason | Benefit |
Increase home value | Finished basement adds 15–25% resale value |
Generate rental income | Legal suite rents for $1,200–1,800/month |
Gain living space | Home theatre, gym, playroom, office |
Stop wasted square footage | You paid for that space – use it |
Avoid foundation issues | Development often reveals water problems early |
Calgary fact: A legal basement suite in a 600,000+ and generate $15,000+/year in rent .
WHAT SETS US APART
Competitor Feature | Transformer Exteriors |
Basement specialization | Full home + basement (seamless exterior/interior) |
Quote guarantee | “We deliver exactly what we quote” – same promise |
Interior designer included | Included at no extra cost |
5-year warranty | 5-year workmanship warranty |
Clear process | 6 steps (simpler than their 7) |
Our unique advantage: We do your roof, siding, windows, and basement – one company for the entire home envelope. No coordination headaches.
WHY CHOOSE US
5-year workmanship warranty
We stand behind every basement
Interior designer included
No extra cost
Quote guarantee
What we quote is what you pay
Full permit management
You never visit City Hall
Egress window specialists
We cut concrete foundations
Soundproofing experts
Quiet between floors
112+ Google reviews (4.9★)
Real Calgary homeowners
WCB insured & $2M liability
Your home is protected
CALGARY BASEMENT REQUIREMENTS
Minimum Ceiling Height
Requirement | Measurement |
Habitable rooms (bedrooms, living) | 6’5″ (1.95m) minimum |
Hallways, bathrooms, laundry | 6’5″ (1.95m) minimum |
Under beams/ducts | 6’4″ (1.93m) minimum |
If your basement ceiling is under 6’5″, you cannot create legal habitable space. We’ll be honest upfront.
Egress Windows
Requirement | Measurement |
Minimum opening area | 3.77 sq ft (0.35 sq m) |
Minimum height | 15″ (380mm) |
Minimum width | 15″ (380mm) |
Maximum sill height from floor | 44″ (1.12m) |
We handle all egress window cutting and installation – including permits.
Smoke Alarms & Carbon Monoxide Detectors
- Hardwired, interconnected smoke alarms in each sleeping room and hallway
- CO detector near sleeping areas if fuel-burning appliances exist
Separate Entrance (For Legal Suites)
- Direct access to exterior without going through main home
- We cut new exterior doors into basement foundations
How We Bring Your Project to Life
Free Discovery Call – We discuss your vision, budget, and timeline
In-Home Consultation – We measure, assess ceiling height, check for moisture
Design & Quote – Interior designer creates layout + finishes.
Permits – We handle all City of Calgary permits
Construction – Framing, electrical, plumbing, drywall, flooring, trim, paint
Final Walkthrough & 5-Year Warranty – You approve. We warranty for 5 years
LEGAL BASEMENT SUITES
What Makes a Suite “Legal” in Calgary?
Requirement | Details |
Permits | Development permit + building permit |
Egress windows | In every bedroom |
Separate entrance | Direct exterior access |
Fire separation | 30-minute fire-rated assembly between units |
Smoke/CO alarms | Hardwired, interconnected |
Heating | Independent control or shared with minimum output |
Parking | One additional off-street space |
We manage the entire permit process – you don’t visit City Hall.
Rental Income Potential (2026 Calgary)
Suite Type | Monthly Rent | Annual Income |
1-bedroom legal suite | 1,500 | 18,000 |
2-bedroom legal suite | 1,800 | 21,600 |
ROI example: 15,000 annual rent = 4-year payback . Then pure profit.
INTERIOR DESIGNER INCLUDED
Great design is not an upgrade. It’s standard.
Every basement project includes a professional interior designer who:
- Works with you to refine your style (modern, farmhouse, traditional, etc.)
- Coordinates all finishes – flooring, paint, cabinets, countertops, tile
- Suggests lighting layouts for dark basements
- Helps avoid costly mistakes (e.g., wrong underlayment for concrete)
You don’t need Pinterest. You need a professional.
WARRANTY
Our Basement Warranty
- 5-year workmanship warranty – free repairs on any installation defect
- Manufacturer warranties – on materials (flooring, cabinets, fixtures, etc.)
- Transferable – adds value when you sell your home
FREQUENTLY ASKED QUESTIONS
Scope | Approximate Cost (per sq ft) |
Basic finish (drywall, floors, paint, basic bath) | 65/sq ft |
Mid-range (wet bar, nicer finishes, 3-piece bath) | 85/sq ft |
High-end (legal suite, custom cabinets, heated floors) | 120/sq ft |
Example: 800 sq ft basic finish = 52,000. We provide exact quotes, not estimates.
Yes. Any basement development beyond storage requires permits. We handle everything.
Project Size | Typical Timeline |
Small (under 500 sq ft, basic) | 4 – 6 weeks |
Medium (500–1,000 sq ft, mid-range) | 6 – 8 weeks |
Large (1,000+ sq ft, legal suite) | 8 – 12 weeks |
Yes. We isolate work zones, use dust barriers, clean daily, and coordinate around your schedule.
Legal Suite | Illegal Suite |
Permits from City of Calgary | No permits |
Egress windows in bedrooms | May have small or no windows |
Proper fire separation | None or inadequate |
Separate entrance | Through main home |
Can be rented legally | Cannot be advertised on rental sites |
Adds home value | Can reduce value or cause fines |
Never build an illegal suite. Fines, forced removal, and insurance voiding are real risks.
Yes. $0 down financing available. Ask us during your free estimate.
Turn Your Dark Basement Into Living Space (or Rental Income)
Free in-home estimate. Interior designer included. 5-year warranty.