Converting unfinished attic space into a 15x15 foot bedroom and a 5x7 foot bath with shower as well as a 15 foot dormer for head room four new windows closet space insulation finished ceilings and walls electrical wiring and lighting to code and adding a rail and baluster to an existing stairwell costs an average of 41 389 60 135.
Cost to add a room in attic.
Most attic rooms also need to have basic baseboards added which start at 1 000 to install.
For an attic ceiling that will cost about 1 500.
The average national cost for attic renovations is about 40 000 with a typical range of 4 600 to 80 000 finishing ranges from 4 600 to 16 400 while a more comprehensive remodel runs 8 000 to 80 000 this translates into 30 to 200 per square foot depending on the square footage of usable space the amount of work and the materials used to bring the room to life.
According to remodeling magazine s 2014 cost vs.
This analysis is based on an average cost of about 50 000 so if you can perform some of the work yourself your roi will be even higher.
Value report an attic bedroom adds almost 85 percent of the cost of the remodel to the home s value also referred to as the roi or return on investment.
Building a bathroom transforms your attic into a fully functional room that you can use as a bedroom or office.
A luxury bathroom that makes use of high end materials and finishes costs 25 000 40 000.
The average cost to add a bathroom is 8 000 12 000 depending on the size of the space and the scope of work involved a budget bathroom addition can cost as little as 5 000 6 000.