Permission is required where you extend or alter the roof space.
Flat roof loft conversion.
Dormers in particular flat roof dormers are the most popular type of conversion.
This option is the most expensive as it requires the complex removal and rebuild of the existing roof.
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.
Builders often favour it because they know it and are comfortable working.
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.
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.
This could be a hip to gable loft conversion or a mansard conversion for example.
The hipped or sloping side roof is removed and the end wall is then built up straight to form a new vertical gable.
A dormer loft conversion is an extension that protrudes from the slope of the roof.
Most loft conversions use steel beams to support the new floor structure and roof.
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.
This does add more to the cost of the project but nowhere near as much as removing the roof.
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.
Next i want to change the windows of my flat.
It consists of sheets of felt which are fused to a plywood deck using a naked flame a method known as torch on.
A felt flat roof on the dormer of your loft conversion would look something like this.
If you are a.
You should also check whether you own the roof space which you wish to convert.
However the average dormer loft conversion with a double bedroom and en suite costs about 35 000 45 000.
Dormer conversions are less expensive than mansard or hip to gable conversions but will still add a good deal of.
The roof structure is altered at the sides or rear of the house to add a large flat roofed box dormer.
On this page we have the answers to a few of the most common questions we are asked about.
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.
Room in loft conversion costs.
I want to build a loft conversion in my top floor flat.
It adds the most room but significantly changes the exterior appearance of the property.
Previous i want to build an extension to my ground floor flat.
Most roofs built from the late 1960s onwards are of prefabricated trussed rafter construction with distinctive w shaped webbing.
Changing the roof structure for a loft conversion.
