Basement Renovations

Premium Basement Renovations in Winnipeg

Transform your unfinished or outdated basement into a luxurious, functional living space tailored to your lifestyle.

If you’re looking to breathe new life into a cold, underutilized basement in River Heights or maximize your space in Sage Creek, we’ve got you covered. Whether it’s adding a home gym, entertainment room, in-law suite, or a complete lower-level remodel, Grindstone Renovations specializes in premium basement transformations across Winnipeg. Since 2012, homeowners throughout the city have trusted us with their custom basement projects, benefiting from our fixed-price guarantee and an industry-leading 3-year warranty for added peace of mind.

Professional Basement Renovation Services

Whether you’re finishing a new space or completely overhauling an outdated layout, our expert design-build team creates high-end basements tailored to your lifestyle, preferences, and property value goals.

What We Specialize In

Entertainment Spaces

  • Custom home theatres with built-in soundproofing and ambient lighting
  • Premium wet bars and wine rooms with custom cabinetry
  • Game and recreation rooms designed for family gatherings and entertaining
  • Built-in gas, electric, or wood-burning fireplaces
  • Smart home integration for AV, climate, and lighting control

Professional & Multi-Purpose Spaces

  • Custom-designed home offices with integrated millwork and smart storage
  • Home gyms with glass enclosures, mirrored walls, and AV systems
  • Guest suites with private ensuites and upscale finishes
  • Multi-functional rooms ideal for kids, hobbies, or flexible use

Technical Excellence & Protection

We combine aesthetics with performance, ensuring every basement is as durable and
comfortable as it is beautiful:

  • Radon mitigation systems
  • Interior foundation inspection and repair (if needed)
  • Premium insulation and sound-dampening
  • Egress window installation with proper window wells
  • HVAC, plumbing, electrical & smart system integration
  • Advanced moisture protection and ventilation

Every basement renovation is backed by our fixed-price guarantee and 3-year warranty, offering complete peace of mind.

Our Proven Basement Renovation Process

Our streamlined design-build process ensures every detail is expertly managed from concept to completion – with full transparency, professional execution, and thoughtful communication. Here’s how we bring your basement to life, the Grindstone Way.

Phase 1 - Vision & Feasibility Planning

We begin by understanding how you’ll use the space – whether for wellness, entertaining, multi-generational living, or work. Our team develops your ideal layout and evaluates structural, mechanical, and environmental factors.

This includes:

  • In-depth lifestyle & space-use consultation
  • Preliminary floor plans and layout ideas
  • Moisture and radon assessments (if applicable)
  • Project scope definition and initial cost projection
Phase 2 - Design Finalization & Fixed Pricing

We finalize your design with fully developed plans, curated finishes, and permit-ready documentation (if required). You’ll receive 2D/3D renderings and a detailed fixed-price construction proposal.

This includes:

  • Final floor plans and space planning
  • Material and fixture selections
  • Engineering and permit-ready drawings
  • Fixed-price proposal with full scope, payment schedule & timeline
Phase 3 - Expert Construction & Project Management

Your dedicated project manager and site superintendent oversee all aspects of construction with a focus on craftsmanship, cleanliness, and efficiency. You receive real-time updates via Buildertrend.

This includes:

  • Site prep and demolition
  • Moisture protection, framing, and mechanical systems
  • HVAC, electrical, plumbing, and insulation
  • Soundproofing and ventilation systems
  • Finishing work and custom millwork
  • Daily site cleanup and progress tracking
Phase 4 - Turnover, Warranty & Ongoing Support

We conclude with a full walkthrough, activate your 3-year warranty, and provide maintenance documentation – ensuring your space continues to perform for years to come.

This includes:

  • Final inspection and quality check
  • Warranty registration and handoff documentation
  • Maintenance and care instructions
  • Ongoing client support

Recent Basement Transformations

Before After

Client Story

“Grindstone transformed our basement into a warm, inviting space that works perfectly for our family’s needs. The process was smooth, and the result exceeded our expectations.”

Turnstone Project - A Purpose-Driven Renovation for Multi-Generational Living in South Winnipeg

Neighbourhood: South Pointe

Located in South Winnipeg, this basement renovation was thoughtfully designed to accommodate the client’s elderly mother while creating a multifunctional space the whole family could enjoy.

We reimagined the underused basement to include:

  • A private guest suite with its own bathroom
  • A fully outfitted home gym and office area
  • A dedicated games and entertainment room
  • A stylish walk-up wet bar for hosting
  • Two bathrooms for added comfort
  • A relocated laundry space to free up room upstairs

Basement Renovation FAQs

How long does the construction for a basement renovation take?

Most basement renovations take 12-18 weeks, depending on the scope. Our detailed planning and schedule management ensure efficiency without compromising quality.

Can you match the style of our upper floor?
Yes. We coordinate architectural features, finishes, flooring, and paint colours to seamlessly integrate your basement with the rest of your home.
What's included in your fixed-price proposal?

Everything – from permits and engineering to materials, trades, and finishing. No hidden costs. Just total clarity.

Do you handle all trades and permits?
Yes. We manage all engineering, plumbing, HVAC, electrical, and permits under one roof – providing accountability and efficiency.
How do you manage moisture and radon?
We assess radon levels, waterproof as needed, and install code-compliant moisture barriers to ensure safety, health, and long-term performance.

Start Your Basement Renovation Transformation

Ready to reimagine your basement into a premium living space? Whether you’re planning a multi-generational suite, entertainment hub, or luxury fitness area, our expert team will guide you through a seamless design-build journey – all with a fixed-price guarantee and 3-year warranty.
Providing trusted services in River Heights, Tuxedo, Charleswood, and all Winnipeg
neighbourhoods.