What are the Different Loft Conversion Types?

Alvaston Loft Conversions Ltd > Loft Conversions > What are the Different Loft Conversion Types?

When individuals first enquire about loft conversions and loft extensions, many are often stunned to learn that there are different types of loft conversion.

The variations of loft conversion means that even if you previously thought, or had been told, that a conversion was not possible in your loft space, there might be a solution that will allow you to receive your dream attic conversion.

Regardless if you thought your loft was too small, too sloped or no space on the ground below for loft conversion stairs, there is a conversion type to suit your home based on personal and property factors such as roof height, property style, planning regulations, accessible space and your designated budget for your loft conversion plans.

So what are the loft conversions styles, you might be wondering.

Velux Loft Conversion aka Roof Light Loft Conversion

The most simple and common type of loft conversion is the Velux loft conversion, also known as the roof light conversion.

A roof light attic conversion is the is the go-to plan of action if you already have ample living space or if you only require a small loft conversion, also if the roof height in your loft is already sufficient, therefore you don’t need to extend or alter the structure of the existing loft space and shape in any way.

Loft conversion professionals will straightforwardly insert specialist Velux roof windows that are designed and manufactured specifically to sit perfectly horizontal in-line with the slope of a roof. The loft floor will also be reinforced to guarantee that it is a safe and secure habitable space.

Due to the simplicity of a Velux attic conversion and the fact few alterations are required, the loft conversion costs for this transformation are a far more economical than other loft conversion designs.  Also, since no imposing alterations or extensions are required, a roof light loft conversion doesn’t usually require planning permission!

Dormer Loft Conversion

Another highly popular loft conversion type is the dormer loft conversion.

A dormer loft conversion is the reshaping of the existing roof in order to achieve a bigger living space and an increased internal roof height. The dormer extension protrudes vertically from the sloped room and internally, this creates vertical walls, a horizontal ceiling and produces a greater floor area and habitable space, you can also use conventional windows on a dormer loft conversion.

A flat roof dormer extension provides the most extra living space, but if you are focusing more on the external aesthetics of your house, you might prefer a bonnet dormer extension. However, this will sacrifice internal space AND it is a more expensive option, a flat-roof has the lowest dormer loft conversion costs.

A dormer attic conversion can be completed on the majority of homes and various property types, it is also the most common type of bungalow loft conversion. Planning permission isn’t always required for a dormer loft extension, but if your specifications mean a significant impact on the exterior of your home, your local authorities might request this.

Hip to Gable Loft Conversion

Common on semi-detached homes, a hip to gable loft conversion is an extension to the hip of your existing roof. A hip to gable conversion is the ideal solution when a roof has three sloped sides and a small internal space.

The ‘hipped’ side roof is extended out and made vertical to create a flat cable end, creating a much larger roof area and therefore resulting in ample living space within your attic and your home. Hip to gable loft extension seamlessly blend into the existing aesthetics of your home’s exterior and they can be used in conjunction with a rear dormer loft to really maximise your usable attic space.

Due to the extent of the structural work to the exterior of your home, it is likely that you will need pre-approved planning permissions before you can go ahead with the conversion. The high levels of manual labour required also means the average cost of loft conversion will be quite high in comparison to a dormer or Velux conversion, but the space achieved is worth the price!

Mansard Loft Conversion

A mansard loft conversion is the biggest project of all loft conversion and loft extension possibilities.

Named aptly after a French architect, Francois Mansard, the mansard loft extension is most commonly used on terraced homes and properties in London, the loft extension is generally constructed at the rear of a property and it features a flat roof and a back wall at a 72 degree angle slope.

The mansard and L-shape mansard loft conversions increase the internal size of your property tenfold, in particular when compared to the internal space that is achieved with a dormer loft conversion, for example.

Due to the high levels of construction work, Mansard loft conversion costs in Birmingham are the most expensive of all loft conversion types, but if you really want to maximise your internal living space, a Mansard loft conversion is the perfect extension solution.

Similarly to hip to gable, because of the high level of structural work that occurs to the exterior of your home, mansard loft extensions require planning permission from your local authority.

Whether you need a small loft conversion, or you want to go all out with a mansard loft conversion in Birmingham, Alvaston Loft Conversions have been a family-run business for 55 years. We have perfected our trade and customer service, all whilst aiming to provide economical loft conversion costs in Birmingham.

If you need an experienced loft conversion company that you can trust, call us today on 01922 402720 and we can get your attic conversion plans up and running.


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