Most loft conversions use steel beams to support the new floor structure and roof.
Flat roof loft conversion.
Dormer conversions are less expensive than mansard or hip to gable conversions but will still add a good deal of.
A dormer loft conversion is an extension that protrudes from the slope of the roof.
These are the most dramatic style of conversion involving changing the entire roof structure adding a flat roof with sloping walls at 72 degree angles and dormer windows added.
Previous i want to build an extension to my ground floor flat.
The most common type of loft conversion we design are what is known as flat roof dormer loft conversions for owners of semi detached or terraced houses this type of loft conversion generally represents the best option available due to the large amount of usable space that is created inside the loft.
On this page we have the answers to a few of the most common questions we are asked about.
This does add more to the cost of the project but nowhere near as much as removing the roof.
It consists of sheets of felt which are fused to a plywood deck using a naked flame a method known as torch on.
Dormer loft conversions offer a greater amount of additional floor space than other types of loft conversion.
It s been the most common type of flat roof covering for a long time so it s pretty easy to find people to install it.
A flat roofed dormer in particular offers the benefits of increased headroom straight walls and flat ceilings and is relatively inexpensive to install when compared to a mansard or hip to gable loft conversion.
Hip to gable loft conversions are most commonly found on the side of either end terrace or semi detached houses.
However the average dormer loft conversion with a double bedroom and en suite costs about 35 000 45 000.
It adds the most room but significantly changes the exterior appearance of the property.
Changing the roof structure for a loft conversion.
Builders often favour it because they know it and are comfortable working.
Once the new floor is fitted in the loft the old ceiling is cut away to add up to 200mm of space in the loft conversion.
Trussed rafters loft conversion.
Permission is required where you extend or alter the roof space.
The hipped or sloping side roof is removed and the end wall is then built up straight to form a new vertical gable.
A felt flat roof on the dormer of your loft conversion would look something like this.
You should also check whether you own the roof space which you wish to convert.
This could be a hip to gable loft conversion or a mansard conversion for example.
Next i want to change the windows of my flat.
Room in loft conversion costs.
I want to build a loft conversion in my top floor flat.
Dormers in particular flat roof dormers are the most popular type of conversion.
They are suitable for pretty much any house with a sloping roof.
Most roofs built from the late 1960s onwards are of prefabricated trussed rafter construction with distinctive w shaped webbing.
Although once regarded as hard to convert on account of their relatively slender roof timbers typically only about 30 x 70mm many lofts of this type have been successfully.