A guide to window options for loft conversions

Dormer Windows

These windows are set into the roof slope and usually added well in from the eaves. They are a popular choice since they can be large, meaning that they will allow a lot of light into the room. However, the addition of these windows will increase the actual roof space and require a dormer loft conversion which may make the conversion more complex. 

Roof Windows

These windows are set into the roof of the property and are the most straightforward option when it comes to planning. Velux windows are the most popular option; they do not require any additional structural changes and can be added to bring plenty of light into the room with a series of rooflights in a grid pattern. However, there are some disadvantages to consider including the fact that it can be easy to forget to close them and end up allowing rain into the room, and corners of windows can pose a hazard when the ceiling is low. 

Casement Windows

These are usually installed to fit in with the rest of the house. They offer plenty of light and different options for opening. However, bear in mind that since they are on the top floor, you may need to choose a window with restricted openings to meet safety requirements and building regulations. 

Balcony Door Windows

These windows can be either French doors with a Juliet balcony or sash windows. They are a great option for maximising light and ventilation since you can open up the room to the outside. Balconies are often constructed from a protected glass balustrade to further improve safety. This window type is a great option if you have amazing views that you want to make the most of. However, bear in mind that they can be a significant addition to the cost of the loft conversion since they require specialist fitting. 

Things to Consider

Before choosing the right loft conversion windows, there are several things to consider. 

Planning Restrictions: Some window types, such as dormer windows or balcony door windows, may require a type of loft conversion that requires you to get additional planning permission. Even if your conversion is covered under permitted development, bear in mind that there may be some restrictions in place such as where windows can be placed, access points, and safety access. If your home is a listed building or part of a conservation area, it may be necessary to install a window type that is the same as the existing windows. 

Room Use: The conversion type and how you plan to use your room along with the amount of natural light available can also help you make the right decision when it comes to installing windows. A small room can be opened up and more light added with a frameless glass panel, while casement windows or balconied window spaces can be ideal for conversions that make the most of the roof space character. If your loft conversion is not going to increase the volume of the roof space, roof-light windows are the best option in comparison with a dormer window, which will increase the headroom. How you plan to use the room can also have an impact on the type of window you choose – for example, a bedroom with an en-suite may require specific window types to address ventilation, light and safety compared to a home office or storage room. 

Not sure which windows would work best for your loft conversion? Here at Simply Easy Refurbs, we are always happy to answer any questions that you might have.