How much does a garage conversion cost?

Garage conversion quick cost guide

Converting your garage can add some very useful space to your home. This guide goes through everything you need to know about garage extension costs, including the price of automatic and electric gates that improve the security of your space.

In this cost guide we will talk about:

1. Average cost of a garage conversion
2. Common garage conversion styles and costs
3. Door types for a garage conversion and costs
4. Avoid these hidden garage conversion costs
5. Find garage conversion specialists near you on MyBuilder
6. FAQ: Common questions about garage conversion costs

Average cost of a garage conversion

Converting a garage into a new living space is a good way to expand your home’s living space without having to worry about moving, or taking up garden space with a full-on extension. The cost of a garage conversion can vary depending on what you’re looking to use the area for.

Here’s a list of the average costs for a garage conversion:

Building stage	Cost
Design costs	£1,000 to £3,000
Permit fees	£200 to £500
Construction costs	£150 to £200

The choice of materials for walls, insulation, flooring, and windows can also impact the final conversion cost. For example, insulation costs can range from £10 to £30 per m². For a detailed breakdown, refer to our guide on the cost to insulate a garage.

Common garage conversion styles and costs

There are a few different ways you can go with your garage conversion. Think stylish guest suite, productive home office, or dedicated gym. The cost varies depending on what you need, for example a bedroom may need more insulation than a gym.

Take a look at the cost of different garage extension styles:

Guest Suite

On average, converting a garage into a guest suite costs between £10,000 and £15,000. This includes the installation of a bathroom, fitted with essential plumbing features.

Home Office

Establishing a home office generally ranges from £8,000 to £12,000. This conversion requires things like lighting and data connectivity.

Gym

Transforming your garage into a gym can vary between £5,000 and £10,000. Costs depend on additional electrical outlets and specialised flooring installation.

Utility Room

This conversion type typically costs between £6,000 and £9,500. It often involves plumbing and storage solutions for functionality.

Now you have a vague idea of how much your garage conversion costs, you might want to consider getting a quote from a professional. The easy and quick way to do this is by posting your job on MyBuilder today.

Then, garage conversion specialists near you can come to you, rather than you searching for them.

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Door types for a garage conversion and costs

Installing automatic doors boosts security and convenience for your converted garage, acting as a sturdy barrier against intruders while making access a breeze. They also add sleek, modern style to your home's front.

Popular door types:

Swing doors: Classic hinged design that swings open like a driveway door - great for smaller spaces, with options in steel, wood, or aluminium for durability and style.

Sliding doors: Glide smoothly along a track, ideal for wide driveways or limited space; perfect for heavy-duty security with automation.

Bi-Folding doors: Fold neatly in half for quick opening, blending speed and compactness - stylish for modern homes.

Avoid these hidden garage conversion costs

When planning a garage conversion, it's crucial to account for potential unforeseen expenses that could significantly impact your budget.

These hidden costs often arise due to the unique requirements of each project and can include modifications or additions that were not initially anticipated.

Structural Alterations

During conversion, you may uncover issues with the existing structure that need addressing, such as foundation repairs or the need for additional support beams, which can add significant costs.

Utilities Upgrades

Upgrading or extending utilities like plumbing, electricity, and gas can be expensive, especially if your existing systems don't meet the demands of the new living space. For a better understanding of your home's electrical setup, consider reading about understanding electric meters.

Insulation and Weatherproofing

Ensuring adequate insulation and protection from the elements is essential. Poor insulation can lead to higher energy bills and discomfort, so it's a wise investment.

Refer to our guide on the cost to insulate a garage for detailed information.

Find garage conversion specialists near you on MyBuilder

Whether you’re ready for the full conversion, or just have a few questions about turning your garage into a living space, just post your job on MyBuilder today.

Then, garage conversion specialists can respond to your post with their advice, services and quotes. It’s the easy and quick way to find a tradesperson near you.

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FAQ: Common questions about garage conversion costs

What factors influence the overall garage conversion cost?

The overall cost of a garage conversion depends on several factors, including the size and condition of the existing garage, the quality of materials used, and the complexity of the design. Planning permission, insulation, plumbing, and electrical work can also increase costs. A professional assessment can provide a more accurate estimate based on your specific requirements.

What are the benefits of converting a garage into a living space?

Garage conversions can increase your home’s usable space, making them ideal for growing families or creating a home office. A well-planned conversion may also boost property value and offer a strong return on investment. It allows for more functional use of underused areas.

What are some common challenges faced during a garage conversion project?

Common challenges include meeting building regulations, managing space constraints, and addressing damp or insulation issues. Structural changes may be needed to comply with regulations, especially if plumbing or built-in features are added. Securing the correct permits and avoiding planning breaches is also essential.

How do I calculate my final garage conversion cost?

Start with your garage size (e.g., single at 15m² averages £15,000-£20,000). Multiply by £800 - £1,500 per m² for basic conversions, then add 20-30% for extras like insulation or electrics. The best way is to get quotes from 3+ professionals using MyBuilder.