Convert Your Garage Into a Beautiful New Living Space
Design, planning and build fully managed by trusted local garage conversion specialists across the North West.
40+ 5-Star Google Reviews | Consumer Protection Association Member | Insurance-Backed Guarantee
Why Local Homeowners Trust The Extension Guys
Real Homes. Real Transformations. 5-Star Reviews.
With over 40 five-star Google reviews, homeowners across Cheshire and Greater Manchester trust The Extension Guys to convert unused garages into warm, modern living spaces — fully managed from design and planning through to build and finishing.
✅ CPA Member | 🔨 Fully Insured | 🌟 40+ 5-Star Reviews
10-Year Insurance-Backed Guarantee
Your Garage Conversion, Made Easy
See how simple it can be to transform your unused garage into a warm, modern living space — fully managed by The Extension Guys from design to completion
Download our FREE brochure now for designs, prices & next steps
25 Years, 3 Steps, 1 Seamless Experience
Your Home Garage Conversion Made Simple — 3 Easy Steps from Design to Completion
Over 25 years of experience. A proven process that keeps your project stress-free from start to finish.
Free Survey & Design Consultation
Let’s Start With a Home Visit
We assess your garage, discuss how you want to use the new space, and provide clear advice on insulation, structural work, layout, and costs — so you know exactly what’s involved before starting.
Transform Your Garage
Build With Quality & Care
Our in-house team handles everything: insulation, stud walls, electrics, plumbing, windows, flooring, plastering, and all finishing touches. No subcontractors — just guaranteed quality delivered on time and on budget.
Stress-Free Project Management
Manage Every Detail
Your dedicated project manager keeps you updated at each milestone, ensuring the entire garage conversion is smooth, organised, and completed to full building regulations and signed off.
Plan, Design & Build Your Garage Conversion With Confidence
We’ll help you understand what’s possible, what’s involved, and the best next step for turning your unused garage into a warm, usable living space.
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Real Projects & Prices
See what real garage conversions cost — with transparent breakdowns by size, materials & style. Get inspired by genuine local projects and understand how to plan your budget confidently.
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Design Inspiration
Discover stunning styles and layouts that transform your home. Browse modern garage conversion, open-plan living ideas, and real before-and-afters to spark your vision.
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Planning & Build Guide
Understand every stage from planning permission to completion. Follow our simple step-by-step guide to make your extension project smooth, stress-free, and on track.
⭐⭐⭐⭐⭐ Trusted by Cheshire homeowners planning their garage conversions
Trusted Local Experts in Home Garage Conversions
Family-Run & Local
We’re a family-run construction company based in Cheshire, specialising exclusively in garage conversions that add space, value, and style to local homes.
Trusted by 40+ Homeowners
With over 40 verified 5-star Google reviews, our reputation is built on clear communication, honest pricing, and exceptional craftsmanship — from first design to final handover.
Accredited & Guaranteed
We’re proud members of the Consumer Protection Association (CPA), and every project comes with a 10-year insurance-backed guarantee for total peace of mind.
Trusted Local Experts in Garage Converison.
Family-Run & Local
We’re a family-run construction company based in Cheshire, specialising exclusively in Garage Conversions that add space, value, and style to local homes.
40+ 5-Star Google Reviews
With over 40 verified 5-star Google reviews, our reputation is built on clear communication, honest pricing, and exceptional craftsmanship — from first design to final handover.
Accredited & Guaranteed
We’re proud members of the Consumer Protection Association (CPA), and every project comes with a 10-year insurance-backed guarantee for total peace of mind.
Ready to Transform Your Garage ?
Find out what’s possible, what’s involved, and how we can help turn your unused garage into a warm, practical living space.
No spam, just inspiration and honest advice from The Extension Guys
See Real Projects From Local Homeowners
Discover how local homeowners turned their houses into dream spaces — and what they loved most about working with our team.
A Cheshire Family’s Home Extension Story
How We Transformed Our First Family Home
Inspired by these transformations?
Speak to our team and find out what could be possible with your garage.
40+ 5-Star Google Reviews | Consumer Protection Association Member | Insurance-Backed Guarantee
Ready to Discuss Your Garage Conversion?
Tell us a few details below and one of our friendly team members will give you a quick, no-obligation call to discuss your ideas and answer any questions.
We’ll help you explore options and answer your questions — no obligation.
Discover How to Add Space, Light & Value to Your Home.
Everything you need to start planning your Garage Conversion — photos, pricing & expert advice.
⭐⭐⭐⭐⭐ “The brochure gave us amazing ideas for our new garage conversion. Now we are enjoying our fully completed conversion, thanks to The Extension Guys” — Steve, Bramhall
TESTIMONIALS
What others are saying
"Amazing Garage Conversion, Totally Seamless"
The team were brilliant from start to finish. They turned our cold, unused garage into a warm, modern office space and handled everything professionally. The workmanship is top-quality and the whole process was completely stress-free.
Jane Barker
"Way Way Better Than We Expected"
Our garage has been transformed into a beautiful bedroom for our eldest son. The finish is outstanding and the team were polite, tidy, and always on time. We couldn’t believe how quickly the space took shape — highly recommended.
John Holmes
"Fantastic Team & Great Communication"
We wanted a utility room and playroom from our old garage, and the result is perfect. Communication was clear throughout and every stage ran smoothly. The quality of the work is excellent and well worth the investment.
Nina Smith
STILL NOT SURE?
Frequently Asked Questions
Everything homeowners ask before starting their extension
Question 1: Do I need planning permission for a garage conversion?
In most cases, no. Most garage conversions fall under permitted development. We’ll confirm this during your survey and handle all paperwork if needed.
Question 2: How long does a garage conversion take?
A standard single garage conversion usually takes 2–3 weeks, depending on the specification and structural changes.
Question 3: Will my new room meet building regulations?
Yes — all our garage conversions are fully building-reg compliant, including insulation, fire safety, ventilation, electrics, windows, and foundations.
Question 4: How much does a garage conversion cost?uild?
Most single garage conversions range from £10,500–£14,000, depending on layout and finish. Double garages or conversions with plumbing cost more.
Question 5: Can you convert my garage into any type of room?
Yes. Popular choices include: Bedroom, Office, Living room, Gym, Utility room, Playroom, Bathroom/En-suite (if plumbing is suitable)
Question :6 Will converting my garage add value to my home?
Absolutely. A garage conversion can add 10–15% to your property value and is one of the highest-return home improvements.
Question 7: How do you handle insulation?
We fully insulate walls, floors, and ceilings to meet current standards — making the room warm year-round and energy efficient.
Question 10: Can you install new windows or doors?
Yes. We fit windows, brick up openings, and install new front/side doors to create a proper liveable room.
Question 11: Do you take care of electrics and heating?
Yes. We install sockets, lighting, heating, and any additional circuits needed — all carried out by certified professionals.
Question 12: Do you take care of building regulations?
Yes — we handle everything, including liaising with building control, scheduling inspections, and ensuring your extension is fully compliant.
