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Writer's pictureGlenn Thompson

Unlocking the Potential: Transforming Your Loft / Attic Space into Functional Living Space.

Have you considered the potential of your loft or attic space? Picture how amazing it could be by converting it into extra rooms or living areas.


Besides offering additional space, a well designed loft conversion can also enhance your property's value. It can be a more economical option than constructing an extension, and it doesn't enlarge your home's footprint.


In several of my projects, additional bedrooms have been added—some featuring an ensuite, others with a shared WC/shower room, and some transformed into a playroom or study. Whether it's extra space you desire or require in your home, converting an old, dusty loft or attic is an excellent way to expand your living area.


Before beginning your attic or loft conversion project, it is important to comprehend what the process involves. Certain conversions might necessitate altering the roof to enhance headroom and space. Therefore, having a thorough understanding of the project's scope and requirements, including Building Regulations, planning, and design, is vital. This guide addresses all these elements and more to help ensure your attic or loft conversion is highly successful.


Attic Conversions NI | Contact GT Building Design for Advice
From a dusty old loft / attic space to a fantastic bedroom flooded with natural light!
 

Feel free to reach out for advice with no obligation; I would be delighted to assist. It would be very helpful if you could first answer the three questions listed below. After that, we can discuss your options, and I will offer a written fee quotation for my services.


When you first contact me can you confirm the following? (see diagram below)


  1. What head height do you have?

  2. Do you have prefabricated trusses with diagonal webs? (shown dotted below)

  3. Can you email me through a few photos within your loft / attic space?




Attic Conversions NI | Contact GT Building Design for Advice

 

Loft / Attic conversions: A Guide for Homeowners:

 

An attic or loft conversion is an excellent way to expand your home. However, even if you have some experience in construction, this is not a project to undertake without careful consideration.

 

If such work is done without Building Control Approval, it could affect the future sale of your property when solicitors conduct conveyancing on behalf of the buyer.

 

Although attic or loft conversions are often seen as straightforward, this is not true. They must be designed by a professional who is thoroughly familiar with Planning procedures and especially Building Control Regulations.

 

In roof space conversions, the following points must be addressed by a professional:


Building Regulations: Like any home extension, building regulations must be adhered to in order to ensure the safety and stability of the structure.


New Stair

  • Careful design of the new stair will be required to comply with current building regulations. Factors to be considered will include the height of each riser, the length of the treads, the stair pitch, headroom and provision of handrails.


Natural Light

  • It is important to thoughtfully decide between installing Velux-style skylights or building a dormer window to significantly enhance headroom in the new rooms. This can be an excellent option if your current attic or loft has restricted headroom, as it enables you to create more spacious and comfortable living areas.


Insulation

  • Proper insulation of the roof, walls, and floors is essential to minimize heat loss and meet energy efficiency standards. This is crucial in an attic or loft conversion because heat tends to rise and can quickly escape through the roof.

  • Choosing the right type of roof insulation and its placement is vital to retain heat in the new rooms and avoid costly heating expenses due to heat loss.

Fire Protection

  • Floors, specific walls, and doors must be structurally designed to withstand fire spread, typically with 30 minutes of fire resistance.

  • In case of a fire or other emergency, you, your family, and any other residents must be able to evacuate safely. This requires careful planning and design, including the installation of appropriately designed and positioned escape windows.

  • An automatic fire detection/alarm system should be installed to provide an early fire warning, with smoke and heat detectors correctly positioned and specified.


Structure

  • A Structural Engineer will be required to perform and provide structural calculations.

  • The new floor's structural adequacy must be designed and verified to ensure it can safely bear the new loads without collapsing. Typically, the existing ceiling joists are insufficient.

  • Often, the roof will need extra support with additional timber purlins or steel beams.

  • The dimensions and spacing of the roof joists and rafters must be evaluated.


Ventilation

  • Proper ventilation and vapor control are essential when constructing attic or loft roofs.

  • Inadequate condensation management can result in dampness, which may lead to costly repairs, particularly in hidden areas like behind plasterboard ceilings.

  • Extra ventilation is necessary to avoid unhealthy living conditions.


 

Typically, there are two kinds of Roof Spaces. Which do you have?


Type 1: Cut Roof (refer to the photo below)

The first kind is known as a "Cut Roof," where a builder constructs the roof on-site using separate timber ceiling joists, rafters, purlins, and occasionally steel beams. Being an open space, this is the easiest loft/attic to convert.


Attic Conversions NI | Contact GT Building Design for Advice
This is an example of a "Cut Roof" type attic space. You can see the open nature of the attic space. The roof rafters supported by horizontal timber purlins, supported by brick piers & ceiling joists. All fitted individually by a builder.

Type 2: Prefabricated Truss Roof (refer to photo below)

The second type is known as a "Prefabricated Truss Roof," with each roof truss designed and manufactured in a factory, then delivered to the site where the builder assembles and secures each truss member. Converting this type of loft or attic space is more challenging but with help from me and a structural engineer can be achieved.


Attic Conversions NI | Contact GT Building Design for Advice
This photo clearly shows a series of attic trusses that form the roof structure, each engineered in a factory and placed on site.

Indeed, a trussed roof can be converted, but it requires meticulous planning and execution. Trussed roofs are designed to evenly distribute weight across the entire structure, making them ideal for supporting heavy loads like snow and wind. If the diagonal members of each truss are to be removed to create a larger, more open space, this additional weight-bearing capacity must be accounted for.


 

How can I assist you with your project?


With nearly 40 years of experience in Architecture, I can provide guidance on the optimal approach for your home, and assist you in obtaining the necessary statutory approvals from both the Planning Service and Building Control.

 

Feel free to reach out if you have any questions or are considering converting your loft/attic space, and thank you for taking the time to read my blog.


Glenn

 




Attic and Loft Conversions NI | Contact GT Building Design for Advice

 

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