Blogs > Flat-roof kitchen extension: A complete guide for UK homeowners

Flat-roof kitchen extension: A complete guide for UK homeowners

Let’s discuss a flat-roof kitchen extension for homeowners in the UK, as it’s a modern and aesthetic way to renovate your home with new designs

When you are planning your home extension simply and aesthetically, a flat-roof kitchen extension is a great choice for the home design and its construction. You will find no complexity, and it can be built in a short time period. 

In this guide, we will explore flat roof extensions, why it is a suitable pick for UK homeowners, some design ideas, and the cost. 

Modern flat-roof kitchen extension: Why is it important?

A modern flat-roof kitchen extension is essential because it combines trendy style with functional benefits that improve both living space and home functionality. Its elegant, minimalist method totally complements modern architecture, completing a brilliant, open kitchen space constantly improved by skylights or roof lanterns. These additions can overflow the space with natural light. 

Unlike a listed roof, flat roofs are faster and more cost-effective to assemble, providing a budget-friendly explanation without compromising aesthetic attraction.

You can get the aesthetically appealing structure for your kitchen by opting for flat roofs. A flat-roof kitchen is much more cost-efficient than the others; this type of kitchen extension was famous in the era of the 1960s to 1970s, as it comes with a flat roof. 

Why is a flat roof suitable for the homeowner?

When designing a house extension, one of the primary choices you’ll make is whether to go for a pitched or flat roof. While flat roofs may appear harder to support, the truth is that with the right builder, they can be just as strong, stylish, and long-lasting as pitched roofs.

Here is why a flat-roof kitchen is a good match for you: 

Cost-Effective: 

Flat-roof kitchen extensions are mostly more affordable and faster to construct than pitched roofs because of the less complex design of the project and fewer requirements.  A custom flat roof extension is easier to assemble than a pitched one, which signifies additionally.

Your budget can go towards essential elements such as traditional sliding or panel doors, natural light, and internal structure. This also means that they are quicker to construct, so that you can enjoy your fresh living area in less time.

Trendy and aesthetic:

They give a simple and elegant look to your home that suits trendy architectural structures. A flat-roof kitchen extension provides an aesthetic look, offering a stylish and complementary architectural design

Fast installation:

It provides a simple design that completes its structure in a short time and at a low cost, so installation and labor use less time, and expenses are reduced. It’s an affordable and quick build, and you get both beauty and durability. In this construction, there is no complexity.

Learn More About Kitchen Extension Here

Creative flat-roof kitchen extension design Ideas:

Create a design with maximum natural light and freedom; for a creative flat-roof kitchen extension, there are different ideas, such as roof lanterns, Velux roofs, and glass roofs. 

Roof lantern:

Roof lantern extensions are a good option for the dining area and kitchen extensions; they give natural light into the room and create a more vibrant space in your kitchen area. You can expand it in square meters with the rectangular features of your home structure, which also creates more functionality in your extension design. 

Velux windows:

A Velux flat-roof kitchen extension gives great natural light, which makes your living space large. And it’s also improved your lighting system and cooking smell. It is energy efficient, which reduces your electricity bills.

Glass roof:

A glass roof extension gives natural light and enhances the beauty of your living area. You can see the outdoor view of your garden, which creates an aesthetic and modern look for your extension. It provides facilities to keep your room warm in winter and cool in summer.

Learn more About Orangery Kitchen Extension Here

Flat roof vs pitched roof kitchen extension:

Here we are differentiating between flat roof vs pitched roof extensions. We discuss what design is the best option for your home’s look. Which one is better for airiness or gives natural light in your living space, and which takes less time and costs for a kitchen extension? Let’s start: 

Pitched roof extension:

A pitched roof is a modern look if you want stable durability, more affordable construction, or the opportunity of a roof terrace and traditional style. On the other hand, they give an aesthetic look. It’s a classic option for your home design, which increases your property value, and they also use standard styles. 

Flat roof extension:

Mostly, flat roofs are more affordable and easier to build than a pitched roof because a flat roof uses less material and labor. They also give your home a smart, trendy look. The labor operates excellently with many unique ideas, such as stylish design, modern ideas, and adding a perfect rooflight for the roof lanterns, which makes your room brighter and bigger.

Learn more About Terraced House Extension

What does a flat-roof kitchen extension cost in the UK?

There is no fixed cost anywhere for a flat roof kitchen extension. The cost depends on the complexity of the project, the material, the finished size of the house, and the design of your home. 

Approximately, the flat-roof kitchen extension costs between £10,000 and over £65,000, with average costs usually ranging from £20,000 to £45,000. On average, expect to expend £27,000 on a primary flat roof extension of 20 m².

Type of extensionAverage range Average cost: £
Hip-to-gable kitchen extensio15 m²24,000-35,000
Deluxe kitchen extension 15 m²20,000-35,000
Average kitchen extension 15 m²15,000-25,000
Basic kitchen extension 15 m²10,000-15,000

Does a flat-roof kitchen extension need planning permission or not?

There are specific cases when planning permission is required for your home. A flat roof extension depends on the size of your home and the location of your area. If your property is in a conservation area or is a listed building, planning permission is required for your home.

If you do not exceed the limit, you will not affect your home structure. So you don’t need any permission; it’s a permitted development.

FAQ’S

Are flat roofs durable for a kitchen extension?

Yes, a flat roof extension is a good option for you if you select a good material waterproofing system. The flat-roof kitchen is a reliable idea because it is designed and installed with a modern style and a high-quality roofing system.

Can I add a skylight or roof lanterns for a flat-roof kitchen extension?

It could be a good idea to install skylights or roof lanterns in your kitchen, as they can bring a flood of natural light from different directions into your kitchen.

How long does it take to build a flat-roof kitchen extension?

Typically, flat-roof kitchen extensions are constructed in 3 to 6 months, significantly depending on the complexity of the project or extension size.

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Robin Callistor

Robin is our creative director, guiding our architectural team with the wisdom of more than 20 years of experience. All architectural projects at our practice are overseen by Robin, so you know you’re in the safest of hands.

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