Costs & Guides

Do you need to know how much a garage conversion will cost?

This guide includes all the information you need to know about the cost of labour and materials for converting a single or double garage into living areas, kitchens, baths, and bedrooms.

For more details, continue reading.

Cost of converting a garage

What goes into a garage conversion?

A garage conversion entails transforming a garage into a usable living space, such as a second living room, dining room, or, in many cases, an expanded kitchen that doubles as a kitchen diner.

So how much should a garage conversion cost?

An 18 m2 single garage typically costs between £13,000 and £18,000 to convert, whereas a 36 m2 double garage costs between £27,000 and £36,000.

Be aware that every garage conversion is unique, and the conversion cost will depend on your current design and goals, just like with most home improvement projects.

An average garage conversion will cost between £39,000 and £54,000 for a large garage of 52 square metres.

Garage Conversion Costs

Type of Garage Conversion	Average Cost
Kitchen garage conversion	£10,000-£20,000
Bathroom garage conversion	£2,700-£7,000
Living room garage conversion	£6,000-£7,000
Double garage conversion	£27,000-£36,000

How Much Will It Cost to Supply a Garage Conversion?

You should take into account the average cost of garage conversion supply materials, such as: if you intend to convert your garage yourself or wish to purchase your own building supplies.

Cost of Garage Conversion Flooring

You might need to prepare the floor for your garage conversion, which could require installing concrete slabs, which would cost between £800 and $1000.

Depending on the sort of floor you select, the price of garage conversion flooring will change.

For instance, you might choose laminate flooring, which ranges in price from £7 to £30 per square metre, if you intend to turn your garage into a dining or living room. You might alternatively choose carpet, which typically costs between £6 and $60 per square metre.

The expense of tiling, which ranges from £20 to £100 per square metre, must be taken into account if you plan to turn your garage into a bathroom or kitchen.

Cost of Garage Conversion Heating

Heating is a huge additional expense that you should take into account because, more than likely, your garage lacks radiators or a heating system.

Depending on the sort of heating you want in your garage and whether the room you’re converting may be connected to the existing heating supply in the property, the cost of heating supply will vary.

If the room has main supply access, you might only need to buy new radiators, which range in price from £13 to £300.

You might need to have a new central heating system installed if your garage conversion cannot be connected to the mains supply.

A combi boiler should cost between £500 and £2800, but a system boiler should cost between £600 and £1400.

You might also think about investing in an electric boiler, which normally costs between £500 and $1,200.

Cost of Garage Conversion Lighting

When converting your garage, lighting is another vital supply expense to take into account.

Depending on the model you select, lighting costs can range from £1 to £80 per light for downlights and from £2 to £60 for ceiling lights.

What Additional Costs Are Involved in a Garage Conversion?

When determining the cost of a garage conversion, there are several additional expenses to take into account, such as:

Cost of a New Boiler

You might need to have a new boiler installed if the garage conversion does not have access to hot water or the main central heating system.

Depending on the type of boiler you select, the cost to instal a new boiler will change. For instance, the price of a combi boiler is from £1500 to £3500, whereas the price of a heat-only boiler is between £1500 and £2500.

The cost of a system boiler, which is another option, is often quoted between £1500 and £2800 for professional installation.

Costs of Underfloor Heating

Underfloor heating, which can be installed beneath carpet, tiles, and laminate floors, is another heating alternative.

There are two types of underfloor heating: wet and dry. A wet system circulates hot water through heat pipes beneath the floor, whereas a dry system heats the floor using electric wires or mats that are connected to the main electrical supply.

Wet underfloor heating typically costs between £90 and £190 per square metre, including both supply and labour.

When installed by a specialist, dry underfloor heating systems typically cost between £40 and £80 per square metre.

Garage to New Kitchen Conversion Price

You should budget about £10,000 for a modest kitchen and up to £20,000 or more if you want to turn your garage into a kitchen.

This often includes the cost of kitchen countertops, which for cheap worktops ranges from £18 to £40 per square metre.

While Corian can cost up to £500 per square metre, high-quality granite countertops cost about £150 per square metre.

You should also take into account the cost of the appliances. For instance, a simple fridge-freezer can cost as little as £160, while a smart fridge-freezer can cost as much as £7000. A new gas cooker can cost you between £350 and $1000, whereas an electric cooker might cost between £150 and $2000.

Cost to convert a garage to a new bathroom

You should expect to receive a quote for a bathroom garage conversion that starts at £2700 for a small, budget bathroom and goes up to £7000 for a large, opulent bathroom.

This will involve the cost of tiling, which for walls typically ranges from £800 to $1000.

Additional plumbing costs, which range from £700 to £900, may also need to be taken into account.

This covers the installation of plumbing as well as the fitting of a toilet, faucets, bath, or shower.

Costs for a Garage Conversion by Tradespeople

The cost of labour and tradespeople for a garage conversion is one of the most crucial factors you need to take into account.

Several craftsmen, including the following, are needed for this job:

Joiner

You might need to employ a joiner to build and instal new doors and windows while converting your garage.

You might also need to hire a joiner to instal kitchen cabinets if you’re doing a kitchen to garage conversion.

Joiners typically charge between £160 and £240 a day, however others prefer to quote on an hourly basis, which often runs between £20 and $40.

Painting and decorating

You must employ a painter and decorator if you want your walls to be professionally painted or wallpapered.

They often charge between £15 and £40 per hour, or they may quote a daily rate of between £100 and £300 for a large room.

Electrician

You should think about hiring a licenced electrician to make sure your lighting fixtures or electrical appliances are installed correctly.

You should budget between £30 and £60 each hour, or between £170 and £340 per day.

Plumber

To instal any plumbing fixtures while converting your garage into a bathroom or kitchen, you will need the assistance of a licenced plumber.

Plumbers often charge a daily cost of between £200 and £400, yet they may just quote an hourly rate of between £30 and £60 for smaller jobs.

Kitchen Installer

You might want to think about hiring a kitchen fitter to put in your worktops and cupboards when transforming your garage into a kitchen.

They often charge between £10 and £20 per hour or about £120 to $200 per day.

Engineer in heating

Installing a new heating system as part of a garage conversion can call for the assistance of a heating engineer.

An anticipated quote should range from £30 to £50 per hour, or £150 to £500 per day.

Plasterer

You should employ a plasterer to make sure your walls are clean, prepped, and in good shape. Professional plasterers often charge between £150 and £200 a day, or they may merely give you an hourly quote of between £10 and £20 for one wall.

How Long Does It Take to Convert a Garage?

A tiny single garage conversion may take about one week to complete, but construction times will vary depending on a number of criteria, including size.

A huge double garage, however, can take up to a month to convert.

The amount of time will also depend on the type of garage conversion; for example, a new kitchen may require an additional five days or more, while a bathroom conversion may require an additional two weeks.

Garage Conversion Types

There are many options for garage conversions, including:

Cost of Kitchen to Garage Conversion

A big number of homeowners decide to convert their garage to make room for a larger kitchen. This can entail tearing down a wall to expand the current kitchen or building a brand-new room.

The biggest advantage of turning your garage into a kitchen is that it gives you extra room for cooking and dining.

Despite its value, kitchen garage conversions can be fairly expensive, costing anywhere from £10,000 to £20,000 or more. However, in the long run, this may provide you with a high return on investment.

Garage to Bathroom Conversion

If your garage is small and not very useful, you can decide to turn it into a downstairs bathroom. This will be more useful, especially if you have visitors, as having a bathroom on the ground floor will stop people from going upstairs and damaging your stair carpet.

A typical garage conversion costs between £2700 and £7000 and includes everything from plumbing fittings to lighting, tiling, and decorations. Bathroom garage conversions typically cost an additional £2700 to £7000.

However, since you might not be able to connect your new bathroom to the main central heating system, you might find that you need to pay more for additional plumbing.

Cost of living room to garage conversion

More living space is a fantastic selling element for any home, so you can decide to enlarge your current living area by tearing down a wall into the garage.

The cost of converting a garage into a living room varies from £6000 to £7000, depending on the size of the area, the sort of flooring and wall design you select, and whether or not new heating equipment is needed.

Cost of a double garage conversion

Converting a double garage may be a significant and expensive project that costs between £27,000 and £36,000. The cost is justified, though, if you wish to increase your home’s living area because doing so can raise its market value.

Additionally, you should think about building codes and planning approval because applying for authorization may cost money.

You should talk to your neighbours before starting any work because a large project like this can be quite disruptive to both their lives and your own.

What Is the Price to Remove a Garage Conversion?

You might need to hire a professional to remove your garage conversion if it doesn’t adhere to building codes.

A garage conversion can be removed for between £500 and £2500. In addition, you will need to budget an additional £12 to £20 for tile removal and about £200 for kitchen cabinet removal.

A bathroom garage conversion should cost between £1000 and £1500 to remove.

You will need to employ waste removal professionals to remove the demolished building from your property; these professionals often charge between £70 and £180 each removal.

FAQs

Do I need planning approval to convert my garage?

A: Since garage conversions typically come within authorised developments, they typically don’t need planning permission.

However, you will need to apply if you reside in a listed structure or have plans to expand the building or turn a garage into a standalone residence.

Can I convert my garage on my own?

A: If you are an experienced DIY enthusiast, you might want to think about converting your garage on your own. This will include taking down some of the garage, including the garage door.

Installing a new bathroom or kitchen is significantly more difficult than simply turning your garage into another living space.

You might wish to engage a professional to handle this since it entails connecting the property’s primary supply of water and heating.

Will converting my garage increase the value of my home?

A: Converting your garage can increase the value of your home by up to 20%, which is advantageous if you intend to sell it in the future because you will receive more money than you originally invested.

Which kind of insulation are required for a garage conversion?

A: You must instal fibreglass or polyisocyanurate insulation to make sure your garage conversion is sufficiently heated and protected from dampness.

These are premium varieties of insulation that will keep the cold out while preventing heat from escaping from your property.

What is a garage conversion that is integral?

A: An integrated garage is a type of addition that is constructed inside the walls of the main house and has access to the interior through an integral door.

Since this type of garage is already a part of the house and ought to have excellent insulation to keep the cold out and the heat in, it is considerably simpler to convert.