Can you convert a double garage?

Author: Romaine Olson  |  Last update: Thursday, July 10, 2025

If your two-car garage also has two single doors, you may be sick of maneuvering your car through one of them after a long day. Luckily, converting your two single doors to a double door is totally possible. The average estimated cost to convert two single garage doors to one is $3,000.

Do you need planning permission to convert a double garage?

Planning permission for a garage conversion is not necessary in many cases, although it is always best to double check with your local authority first. Most integral garage conversions fall under Permitted Development which means there is no need to make a planning application.

Can you convert a double garage into a house?

At around 30m², a double garage conversion will give you more flexibility, especially if you want to convert the garage to living space. It could house a bigger living room, ensuite bedroom, well-sized kitchen-diner or an annexe.

Can you convert a double garage door to a single?

If your hire a reputed garage company, converting two garage doors into one can be a relatively simple procedure that will take a couple of days. The first day involves removing the central pillar and installing a new RSJ.

Can I convert my double garage into a granny flat?

In many cases, you may not need full planning permission for converting a garage into a granny flat. However, there are situations where planning permission is required, particularly if you plan to make significant alterations to the building's structure or increase its size beyond permitted development limits.

Garage door. 2 single to 1 double in 7 minutes

How much does it cost to convert two garage doors to one?

The cost of converting two garage doors into one can vary depending on the specific requirements and preferences, with price estimates ranging from basic to mid-range and high-end options. For a basic garage door conversion project, homeowners can expect to budget anywhere from $500 to $1,500.

Does a double garage add value?

A garage can increase the value of your property by between 5% and 10%, according to recent research. However, this only holds true for single garages; a double garage might increase the value by up to 20%!

Do I need permission for a double garage?

Do I Need Planning Permission For A Double Garage? In terms of double garages the usual 2.5 metre ridge height limit would apply, so if the buildings ridge height is over 2.5 metres then planning would be required.

How much does it cost to convert a 2 car garage into living space?

Turning a garage into a living room costs $5,000 to $10,000 on average, the same as s simple bedroom or office as they share the same basic requirements—a window, electrical wiring, insulation, drywall, heating/cooling, and updated flooring. Remember to budget for comfortable seating and entertainment options.

Do you need consent to convert a garage?

Building Consent

If you want to convert your garage to a bedroom, living room or media room, it will need to be re-classified from a non-habitable space to a habitable space. This requires a building consent.

Do I need an architect for a garage conversion?

If your garage conversion requires planning, you will need architect drawings. But even if your plans fall under permitted development rights, architect drawings will be a useful blueprint for tradespeople to work from.

Is it legal to convert a garage into a room?

Since California has passed the new ADU laws this year, usable rooms like garage conversions can be used as a source of passive income. Even if you're only planning on converting the garage to an additional bedroom or home office, permits will be needed for residential construction.

Is converting a garage a good idea?

Whether or not converting your garage is a good idea can depend on whether you're planning to stay in your home or want to sell soon. If you have no plans to move anytime in the near future, converting your garage into a more livable space can certainly add a great deal of personal enjoyment to your home.

Can I remove my garage door and replace with a window?

Can a garage door be replaced with a window? Yes, a garage door can be replaced with a window.

Does converting a garage add value?

Yes, converting a garage will often increase the property value. This is because you will typically be taking an underutilised space and transforming it into a more functional living space, whether you add an extra bedroom, living area, or home office.

Can a double garage be converted into living space?

Converting a garage into liveable space will always require Building Regulations approval, so your local council needs to be informed. This involves submitting a building notice or full plans application to the building control department of your local planning authority.

Can I build a room on top of my garage?

You'll need a building permit to add a room above your garage. Your local city or municipality requires you to comply with zoning laws and construction ordinances, which is why obtaining the correct permits is so important.

What is considered a double garage?

A double garage is a garage that fits two cars. There is no strict size limit for a double car garage in Edmonton, but often a minimum of 20 feet by 20 feet (outside dimensions) is met by builders. It is not common for a double garage to be much wider or longer than 30 feet.

How much should a double garage conversion cost?

A single-garage conversion cost is around £7,000 – £20,000. Double garages, while significantly more expensive, offer better flexibility in terms of design and the potential for larger, more complex living areas. A double-garage conversion costs around £15,000 – £55,000, depending on whether it is attached or detached.

What adds the most value to a house?

10 quick wins for adding value before selling
  1. Redecorate. ...
  2. Fix superficial defects. ...
  3. The front door. ...
  4. Declutter. ...
  5. Heating and lighting. ...
  6. Garden appeal. ...
  7. Create a driveway / off-road parking. ...
  8. Look smart and be energy efficient.

How much equity does a 2 car garage add?

According to HomeAdvisor, a garage can increase your home's value by $12,750 to $33,200. Remodeling Magazine's 2023 Cost vs.

What is the cheapest way to convert a garage to a living space?

Typically, the cheapest type of garage conversion will just involve blocking up the garage doors and finishing out the walls, floors, and ceiling with insulation, drywall, carpet, or other flooring material.

Can I change my double garage doors to a single?

Double to Single Garage Door Conversion

This will give you ample space to get into and out of your vehicle comfortably. A double to single garage door conversion will grant you total control over how much of your garage's interior is exposed to the outside.

Do I need permission to convert my garage?

In most cases, you won't need planning permission for your garage conversion. Most of the time, garage conversions will fall under what is known as permitted development. Permitted development is a certain set of rules that allow homeowners to make changes to their homes without seeking planning permission first.

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