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Garage Conversion Prices
Turn your unused garage into a warm, practical room that feels like part of your home.
At Pro Assist Property Services, we keep garage conversion pricing clear from the start. Every project is different, but the guide below gives you a realistic starting point before we visit, assess your garage, and talk through what you want the space to become.
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Assess Your Garage Conversion Options
The right price depends on the type of garage you have, how much structural work is needed, and how you want to use the finished room.
Some homeowners need a simple part conversion that keeps the existing garage door. Others want the garage door removed, a new wall and window installed, and the space fully opened into the house.
Our starting prices below are designed to help you compare your options clearly.
Get in touch today for expert advice from our friendly team
Single Full Garage Conversion
From £12,000 + VAT
A more complete single garage conversion, ideal if you want the room to feel properly integrated into the house.
What is included:
- Garage door removal with excavation and new foundation
- New front wall built with UPVC window
- New UPVC access door or knock-through into the existing house
- Full insulation to Building Regulation standards
- Electrical setup including 4 recessed LED downlights, 4 double sockets and heater spur
- Interior finish including plasterboard, plastering, skirting boards and architraves
This is often the right option for home offices, playrooms, guest rooms, snug areas or practical family spaces.
Double Garage Conversion
From £16,000 + VAT
A double garage gives you more flexibility, whether you want one large room or a split layout with two practical uses.
What is included:
- Removal of double garage doors
- Excavation and foundation installation
- New front wall with two UPVC windows
- New UPVC access door or knock-through into the house
- Full insulation to current Building Regulations
- Electrical setup including 8 recessed LED downlights, 5 double sockets and heater spur
- Interior finish including plasterboard, plastering, skirting boards and architraves
This option is well-suited to larger living spaces, home gyms, office and utility combinations, annex-style layouts or multi-use family rooms.
Trusted Tips And Expert Garage Conversion Advice to Plan and Improve Your Property.
What Happens After You Request A Quote?
- We Talk Through What You Need – We start with the basics: your garage type, how you want to use the space, and whether you are looking for a simple conversion or something more involved.
- We Assess The Garage – We check the structure, access, insulation requirements, likely Building Regulation considerations, and practical layout options.
- We Explain Your Options – You will get clear advice on what is realistic, which type of conversion suits your home, and which add-ons are worth considering.
- We Provide A Clear Quote – Your quote will explain the work involved, so you understand the cost before committing.
- We Manage The Build – Once work begins, we keep communication clear, the site tidy, and the project organised around the fact that you are still living in the home.
Get in touch today for expert advice from our friendly team
Frequently asked questions.
Our most frequently asked questions.
Any building work causes some disruption, but our process is designed around homes that are still being lived in. We keep communication clear, work tidily, and manage the project in a controlled way so that daily life can continue as normally as possible.
Yes. A site survey helps us check the structure, access, layout, and any details that could affect the final quote. It also gives you a chance to ask questions before committing to the project.
Yes. Our conversions include insulation to Building Regulation standards. Heating options such as electric heaters, underfloor heating, or air conditioning with heat and cool settings can also be discussed, depending on how you want to use the room.
Yes. Bathroom, kitchen, and utility room installations can be added to your conversion. These are priced separately because they depend on plumbing, drainage, layout, and the finish you want.
Yes. A double garage can often be converted into one large room or divided into separate spaces, such as an office and utility room, gym and storage area, or family room and shower room. We will advise what is practical based on your garage layout.
Yes. The prices on this page are shown as starting prices plus VAT.
Yes. The garage conversion calculator on this page can give you a more tailored guide based on your project. However, the most accurate quote will come after we assess the garage and understand exactly how you want to use the space.
Yes. A single-part garage conversion usually costs less because it involves minimal structural alterations and keeps the existing garage door in place. A full garage conversion involves more work, such as removing the garage door, installing foundations, building a new front wall, and fitting a new window or access point.
Our starting prices include the main building, insulation, electrical, and internal finishing work listed under each conversion type. Some items, such as bathrooms, kitchens, flooring, decorating, underfloor heating, internet points, and bifold doors, are treated as add-ons because they depend on the room’s final use.
Our garage conversion prices start from £8,500 + VAT for a single-part garage conversion, £12,000 + VAT for a single full garage conversion, and £16,000 + VAT for a double garage conversion. The final cost depends on the structure, layout, access, specification, and any add-ons you choose.
