Roof Extension: Everything You Need To Know

In this article, you’ll find answers to all the most frequently asked questions about roof extensions. Happy reading!

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22 November 2024 4:13 AM
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Roof Extension: Everything You Need To Know

Considering a roof extension, but not sure where to start? That’s completely normal – it’s a demanding project that often requires expert knowledge.

What is a roof extension?

A roof extension is a construction method that allows you to add space to your home by creating new space within or above the existing roof. Unlike traditional extensions that require you to build outwards, a roof extension uses the space you already have within your home. This might mean raising the roof, changing the roofline or adding a whole new structure to create a loft or extra rooms.

Roof extension: is it a good investment?

First and foremost, a roof extension will increase your home’s value. Buyers are more willing to pay extra for properties with well-designed living space, and a roof extension will make your home stand out in the market. Another benefit of a roof extension is that you can gain space without the hassle of buying and moving. Roof extensions are popular in cities and suburbs where space is limited, offering an opportunity to increase living space while enhancing the property’s value and functionality. A roof extension can also bring in natural light if designed with skylights or large windows.

Types of roof extension

There are several types of roof extensions, each with its own advantages depending on your style, budget and outcome. It’s important to understand the characteristics of each to make the right choice for your property.

Flat roof extension

A flat roof extension is a popular choice for homeowners who want a modern, minimalist look. This type of roof extension involves building a flat or slightly sloped roof, which is good for contemporary buildings or extensions that won’t be seen from the front of the property. Flat roofs are cheaper because of their simple design, as well as easier to maintain and access for repairs. A modern roof construction in North West London often includes skylights to bring in natural light, which is perfect for darker, smaller spaces. However, drainage can be an issue – proper waterproofing is crucial to avoid leaks.

Pitched roof extension

A pitched roof extension has a traditional, sloping design that suits various architectural styles. Such a structure can add character to the exterior and blend in perfectly with older homes. Because of its design, pitched roofs have better natural drainage, reducing the risk of leaks and water damage. Pitched roof extensions, however, can be more expensive than flat roofs, and construction may take longer due to the complexity of the design.

Dormer extension

Dormer extensions involve adding a small structure with a window that projects vertically from a sloping roof. These extensions are good for loft conversions, creating headroom and usable floor space in an attic or loft area. A dormer extension allows you to add space without changing the overall shape of your roof. It also brings in natural light and ventilation, making it feel more spacious and comfortable. While dormers are practical, they can be more expensive because of the structural requirements and you may need planning permission depending on the size.

Mansard extension

A mansard extension creates a flat-roofed space by modifying the angle of the roof. They’re usually used on more traditional, terraced homes. Mansard roof extensions are good for maximising space in the loft area and often allow full-height rooms. However, they can be more complicated and expensive to build and planning permission is typically required because of the significant change in roofline.

Hip-to-gable extension

The hip-to-gable extension is a good way to convert a hipped roof, which has three sloping sides, into a gable roof with vertical walls. This creates more headroom and usable space in the loft, making it a practical choice for homes with limited loft space. While hip-to-gable extensions are relatively simple, they can change the exterior significantly, so planning permission may be required in some areas.

How to choose the right construction company for a roof extension

  • Experience: Choose a construction company with experience in roof extensions, as they can give you design and idea suggestions tailored to your property.
  • Past projects and testimonials: Check out the portfolio and read client testimonials to see the quality and reliability of the company.
  • Transparency: A good company will give you clear flat roof extension costs, timelines and project outline.
  • Communication: A good company will keep you informed, answer your questions and make the roof extension process smooth.