When considering a garage conversion, it’s important to understand the potential costs involved and the various finishes and extras that can enhance the space. Here’s a general breakdown of pricing, finishes, and extras for a typical garage conversion based in the UK.
Basic Garage Conversion in 2025
Average cost: £15,000 to £20,000 (depending on location, size, and complexity).
- This typically includes insulation, drywall, flooring, and basic electrical work, window and plumbing.
- This is still a great conversion; it will just have standard finishing not high-end or custom finished
Full Renovation
Average cost: £25,000 – £40,000.
- Includes full structural changes, high-quality materials, and more complex electrical and plumbing systems.
- This type of price usually includes, en-suite in the garage conversion. Small kitchenette or a built-in sink with all plumbing included.
- Higher quality finishings with the electricals, high-end spotlights, dimmer switches, also built in phone charging sockets.
- This includes finished floorings of the client’s choice. All decoration would also be covered in this cost.
- Window finishings, this could be any style of window the client would like.
Extras & Upgrades
Heating/Cooling
- HVAC system modification: £1,000 – £5,000 depending on the existing system and needs.
- Electric baseboard heaters or mini-splits: £1,000 – £3,000.
Lighting
- Standard fixtures: £100 – £300 each.
- Recessed lighting: £150 – £500 per fixture.
Bathroom Addition
- Basic half-bath: £5,000 – £15,000.
- Full bathroom: £10,000 – £30,000.
Kitchenette
- Basic kitchenette: £2,000 – £5,000.
- Full kitchen with appliances: £10,000 – £25,000.
Furniture and Décor
- Cost varies widely depending on what you choose, but budget £1,000 – £5,000 for a furnished space.
Additional Considerations
Planning Permission & Building Regulations
- Standard fees can range from £1000 – £2000, depending on the complexity of your project and whether you need full planning permission.
Design Fees
- Hiring a designer can add another *£1,000 – £3,000.
- Looking online or at other websites for ideas for inspiration is a much cheaper option, and can be just as good.
Contingency Fund
- It’s wise to set aside an additional 10-20% of the total budget for unforeseen expenses.
- You never know what can happen when you start to do building work.
Example Total Costs
- Basic Conversion: £11,000 – £15,000.
- With a Bathroom: Up to £22,000.
- Full High-End Conversion with Kitchenette: £27,000 – £50,000.
This all depends on how high-end you want to go with your garage conversion.
Guide to find Ideas on your Garage Conversion
Visuals that may help you with garage conversions, other ideas and visuals.
Very well-known and has a massive ranch for garage conversion ideas. Search for “garage conversion ideas” to find a wide range of images showcasing various styles and designs.
Google Images
You can use search terms like “garage conversion before and after” or “garage conversion interiors” to see examples of completed projects.
Social Media Platforms
Use hashtags such as #GarageConversion, #HomeRenovation, or #DIYGarage to find photographs from homeowners and contractors. This is a great way to see finished products or for ideas you would like to have for your finished garage.
Facebook Groups
There are various home renovation groups where members share their projects, including garage conversions, and inspiration groups for interior ideas.
Summary
The total cost for a garage conversion in the UK can range from £11,000 to over £50,000, depending on various factors such as the level of finish, any additional features like a kitchen or bathroom, and your location.
Always seek multiple quotes from professionals, check reviews, and see examples of previous work to ensure you’re making the best decision for your garage conversion project.
