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We specialise in everything from interior design to garden landscaping, offering customised designs for homes and gardens alike.


Working with top-class architects and contractors, BGR offers construction services, including timber-frame design, home extensions, and garden transformations.

How Much Value Does A Loft Conversion Add To Your Property?

When you get a loft conversion, you naturally want to understand the rate of return you’re going to be getting on your investment. The additional space and increased usability of the home will naturally be more appealing to prospective buyers, but does adding a loft conversion to your home necessarily increase the value of the property? 

Posted on

January 21, 2024


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This post will discuss the factors you need to take into consideration when assessing how much value a loft conversion adds to your property. 

Does a loft conversion add value to your home?

Overall, yes, a loft conversion will add some sort of value to your property. However, this is largely dependent on the purpose of the new space, the features the loft conversion has as well as the quality of the design and build.

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How much value does a loft conversion add?

The amount of value a loft conversion adds to your property depends on the purpose of the conversion, the features the conversion has, the size of the new area, and the location of the property itself. This is because space is more sought-after in certain areas than in others. For example, a loft conversion in the North East of England will add less value to the property than it would a house in London –  where space is more of a luxury. 

The below demonstrates all the factors that will influence how much value a loft conversion adds to your property. 

Location Purpose of Conversion Size of Conversion Estimated Added Value 
LondonEn suite bedroom 20 sqm£140,000+
Additional lounge 30 sqm£110,000+
Gym15 sqm£90,000+
Study/office10 sqm£20,000+
South WestEn suite bedroom 20 sqm£120,000+
Additional lounge 30 sqm£65,000+
Gym15 sqm£90,000+
Study/office10 sqm£40,000+
North East En suite bedroom 20 sqm£39,000+
Additional lounge 30 sqm£50,000+
Gym15 sqm£25,000+
Study/office10 sqm£18,000+
Midlands En suite bedroom 20 sqm£45,000+
Additional lounge 30 sqm£70,000+
Gym15 sqm£30,000+
Study/office10 sqm£15,000+

Room types that offer the most value

As you can see from the table above, the room types that offer the most value are bedrooms and additional lounges or entertainment areas. However, there are also certain additional criteria that influence how much value a loft conversion adds. 


Bedrooms, for example, become far more desirable if they have an en suite bathroom attached to them. If the loft conversion includes an en suite, then the value of the property will go up, as it automatically becomes a more functional space. It also allows the property to change its profile, by adding another bedroom to the property listing. 


A lounge with a larger square meterage is also more likely to add more value to the property, given that the room becomes more versatile when there is more space provided. This is especially applicable when using the space as an additional entertainment area. The bigger the space, the more people the room has to host. It also enables installations like larger flatscreen TVs and other miscellaneous entertainment items. 

Gyms & Home Offices

Gyms and home offices don’t tend to add a lot more value, as they lose their purpose unless furnished. If the room is slightly smaller, purchasing parties may end up using the space for additional storage, therefore defeating the purpose of the conversion in the first place. 

Given these considerations, the overall design and execution of the loft conversion are highly influential factors when it comes to the amount of value added to the loft conversion. Experts therefore advise that homeowners do not convert their lifts for the simple purpose of adding value. Instead, there should be a clearly thought-out plan for the space, defining what the point of the loft conversion is. This will make listing the property and its features easier, enabling sellers to market their property at a higher value. 

The benefits of getting a loft conversion

Beyond the added property value, loft conversions come with several other benefits that can enhance your living space and lifestyle. Here are some additional advantages of getting a loft conversion:

Additional Living Space

Loft conversions provide valuable extra space without the need for an extension, making them an efficient way to expand your living area. This space can be utilised for various purposes, such as an extra bedroom, home office, gym, or entertainment room.

Improved Functionality

Converting your loft allows you to tailor the space to meet your specific needs. Whether it’s creating a dedicated workspace, a playroom for children, or a luxurious master suite, loft conversions offer flexibility in design to enhance functionality.

Natural Light and Views

Depending on the type of loft conversion, the addition of windows, skylights, or dormers can significantly increase the amount of natural light in your home. This not only enhances the aesthetic appeal of the space but also contributes to a brighter and more pleasant living environment.

Avoiding the Stress and Cost of Moving

If you need more space but love your current home and location, a loft conversion can be a cost-effective alternative to moving. It eliminates the stress, time, and expenses associated with selling your existing home, finding a new one, and relocating.

Energy Efficiency

Loft conversions often involve upgrading insulation and installing energy-efficient windows, contributing to improved energy efficiency in your home. This can lead to reduced heating and cooling costs over time. With additional space and floor reinforcements within the loft, there is also often a significant reduction in the amount of heat lost through the roof. 

Local Planning Benefits

Loft conversions typically have fewer planning restrictions compared to larger home extensions. In many cases, they fall under permitted development rights, making the planning process smoother and faster.


Through the careful consideration of factors such as location, purpose, conversion features, and the area of the newly converted space, homeowners can make informed decisions about their loft conversion projects. The added value, both aesthetically and financially, makes a loft conversion a compelling choice for those looking to maximise the potential of their homes.

Beyond the monetary gain, the benefits extend to additional living space, improved functionality, enhanced natural light, and the ability to customise your home to suit your needs.

BGR Designs has years of experience in loft conversions, making us your ideal partner in designing and executing your loft conversion. We offer a wealth of expertise in crafting bespoke loft conversions that blend functionality, aesthetics, and value into the project. 

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