Basement Renovation Surrey
Trusted Basement Renovation Contractors | Planning-First, Fixed Pricing
If you’re planning a basement renovation in Surrey, QUAY Construction delivers structured planning, transparent pricing, and disciplined execution — without vague allowances or mid-project surprises.
We renovate basements to add livable space, rental income, and long-term value, whether you’re finishing an unfinished basement or building a legal secondary suite in Surrey.
What you get
Fixed scope + fixed pricing (no budget creep)
Dedicated project management + trade coordination
Permit and inspection management (when required)
Clear timelines designed to minimize disruption
Code-compliant construction built for long-term durability
Licensed • Insured • WorkSafeBC Covered • Planning-First Renovations

Basement Renovation Contractors in Surrey
Surrey homes present unique challenges — from moisture control and ceiling heights to structural layouts and permit requirements. We design basement renovations that are functional, durable, and fully compliant with Surrey bylaws and BC Building Code.
Whether your goal is:
Family living space
Home office or entertainment area
In-law suite
Rental income through a legal suite
We plan every detail before construction begins so timelines stay predictable and expectations stay clear.
What’s Included in a Surrey Basement Renovation
A full-service basement renovation with QUAY typically includes:
Moisture assessment + insulation strategy
Framing and drywall
Electrical planning (lighting, outlets, smoke separation where required)
Plumbing rough-ins and fixture installation
Flooring systems suitable for below-grade environments
Ceiling solutions (drywall, bulkheads, sound separation)
Heating and ventilation coordination
Final walkthrough + deficiency closeout
Everything is defined before demolition starts — no assumptions, no surprises.
Basement Renovation Cost in Surrey (Realistic Ranges)
Basement renovation costs in Surrey depend on layout, finishes, and whether a legal suite is included.
Typical basement renovation costs in Surrey
Basement finishing (no suite): $35,000 – $55,000
Mid-range renovation: $55,000 – $75,000
Legal basement suite: $75,000 – $90,000+
What increases cost most
Adding kitchens or bathrooms
Legal suite requirements (fire separation, egress, ceiling height)
Plumbing relocation
Structural changes
Soundproofing and suite separation upgrades
We provide clear, fixed pricing before construction begins.
Legal Basement Suite Renovations in Surrey
We specialize in legal secondary suite conversions and manage the entire process:
Permit applications and inspections
Fire separation and soundproofing
Egress windows and ceiling height compliance
Code-compliant kitchens and bathrooms
Safe exits and ventilation systems
We confirm zoning and bylaw requirements early so your suite is built right the first time.
Basement Renovation Timeline in Surrey
Basement renovations have two phases: planning and construction.
Typical basement renovation: 4–6 weeks
Legal suite conversions: 6–10+ weeks (permit-dependent)
What can extend timelines
Permit approval and inspection scheduling
Structural modifications
Custom millwork or kitchens
Utility upgrades
Our planning-first system minimizes downtime by resolving constraints before work starts.
Our Basement Renovation Services in Surrey
Basement Finishing
Transform unfinished basements into comfortable living spaces with proper insulation, lighting, flooring, and moisture control.
Legal Basement Suites
Turn your basement into a compliant rental unit designed for long-term income.
Basement Kitchens
Space-efficient kitchens designed to meet ventilation and electrical requirements.
Basement Bathrooms
Below-grade plumbing solutions built for durability and proper drainage.
Why Surrey Homeowners Choose QUAY Construction
Planning-First Renovation System
Most basement delays happen before construction starts. We finalize scope, selections, and sequencing upfront.
Fixed Pricing & Clear Communication
You’ll know exactly what’s included, what’s excluded, and how the project progresses.
Built for Occupied Homes
We plan dust control, site protection, and workflow to reduce disruption during construction.
Proven Local Experience in Surrey
We renovate across Surrey and understand local housing types, permits, and inspection workflows.
Neighbourhoods We Serve in Surrey
We complete basement renovations throughout Surrey, including:
Whalley (Surrey City Centre) • Guildford • Fleetwood • Newton • Cloverdale • South Surrey • Fraser Heights
Local experience helps us plan around property type, access, and inspection scheduling.
Other Renovation Services in Surrey
If your basement renovation is part of a larger upgrade, we also offer:
Internal planning ensures layouts, finishes, and systems work together now and in future phases.
Basement Renovation Surrey FAQs
How much does a basement renovation cost in Surrey?
Most basement renovations range from $35,000 to $90,000+, depending on scope and whether a legal suite is included.
How long does a basement renovation take?
Most projects take 4–6 weeks, while legal suites may take longer due to permits and inspections.
Do I need permits for a basement renovation in Surrey?
Permits are required for structural changes, plumbing, electrical work, and legal suites. We manage the process for you.
Can you build a legal basement suite in Surrey?
Yes. We handle zoning checks, permits, and code compliance for legal secondary suites.
How do you address moisture issues?
We assess drainage, insulation, and vapor control to protect against Surrey’s climate conditions.
5-Star Client Reviews
Surrey homeowners consistently choose QUAY Construction for clear communication, fast timelines, and durable finishes.

This was my first home renovation experience, and I couldn’t be more glad I went with Matin and Quay Construction.
Aaron Marskell

I had a short timeline with limited hours the building would allow work to be performed, but they got it done.
Melissa Carr

The renovation was completed very quickly and to a gold standard in the level of detail in the finishings. I am very happy with the result.
Meigan Quan
Join the homeowners who chose a planning-first approach
Ready to Start Your Surrey Basement Renovation?
If you want a basement built with clear scope, fixed pricing, and predictable timelines, let’s talk.