Loft Conversion Floor Specification

It is again accepted that for normal household requirements the imposed load will not exceed 1 5kn sq m.

Loft conversion floor specification.

Take the above image for example by using the loft design for more floor space i e. An architect or surveyor will confirm the loft s suitability for conversion. Changing the roof structure for a loft conversion. Loft conversions loft conversion ideas loft conversion design loft designs 2 loft floor plans loft conversion process loft stairs loft floors flooring walls and ceilings en suite bathrooms safety escape access loft ladders truss roofs and lofts dormers dormer lofts velux loft windows insulation heating rules regulations examples.

4 1 7 whether the loft conversion is in a one or two storey house an interlinked automatic smoke detection and alarm system must be provided on every storey which must be. This could be a hip to gable loft conversion or a mansard conversion for example. The weight we place upon a floor by way of bathroom suites beds wardrobes etc is known as the imposed load. The loft conversion will lead to the floor being used for normal domestic loading which can be significantly higher that storage loads.

This design provides you with the vital plan you need to create a structure capable of carrying the new increased domestic. This option is the most expensive as it requires the complex removal and rebuild of the existing roof. It is also necessary to take into account whether the building will be adequate to take the added load of a conversion. Before you begin on your loft conversion plans it s worth finding out exactly what it will involve and how it will affect the design of your home.

A floor which forms part of the enclosure to the circulation space between the loft conversion and the final exit needs a full 30 min standard. Following this plans are drawn which also provide a basis for cost analysis and what tasks can be done on a diy basis. This step by step attic conversion guide reveals the 10 key things you need to consider when weighing up whether a loft conversion is the right way to add more space to your property. The pack will contain a new floor design which we create using our innovative beam calculations for loft extensions.

Strictly speaking the occupied loft should be designed for nearly twice as much loading as the loft space and in most cases the bottom chords of trussed systems or the existing loft joists would not be strong. These cover matters of safety including the strength of the floor minimum headroom above the staircase fire escapes thermal efficiency electrics plumbing and glazing. However the average dormer loft conversion with a double bedroom and en suite costs about 35 000 45 000. As a loft conversion is a material change of use building regulations must be met and you should consider them highly when constructing your loft conversion plans.