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Estimate the cost of your remodeling or home addition plans using this tool
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Proposed addition information
Addition dimensions
1st floor addition
Length of wall(s) attached to existing house
2nd floor addition
Length of wall(s) attached to existing house
Desired ceiling height
Please select which rooms are required in new addition.
Select amount of bedrooms and bathrooms, check amount of cars in garage (if garage required)




Bedroom(s)




Master bathroom




Bathroom(s)




Powder room




Kitchen




Dining room




Family room




Living room




Entry




Office




Garage. How many cars? (0 - No garage)
1st Floor construction type




Conventional floor with crawl space




Slab on grade
Exterior walls




Minimum size wall construction and insulation




Thicker exterior wall and better insulation
Exterior wall finish




Stucco




Siding
Windows
Select grade




Plastic or composite frame




Wood frame, aluminum clad exterior




Modern aluminum or wood frame with maximum options
Exterior trim




Exterior trim required for windows and doors?




Exterior trim is required for windows and doors on siding walls




Don't use trim around windows and doors on the outside
Heating and cooling
Heating




Connect to existing system




Install independent system




No heating
Cooling




Connect to existing system




Install independent cooling system




No cooling
Wall and ceiling finish
Please select drywall finish




"Orange peel"




"Knock down"




"Old world"




Level 4 smooth finish




Level 5 smooth finish
Roof
Select roof pitch




Flat to under 2:12




2:12 to 4:12




5:12 to 7:12
Roofing
Select roofing type




Asphalt 30 years




Asphalt shingles 50 years








Metal roofing




Slate roofing




Clay tile
up to 5 files 5 Mb each
0$
Existing house information
including garage
Heating




Gas furnace




Electric heater
Roofing




Asphalt shingles 30 years




Asphalt shingles 50 years




Asphalt shingles lifetime




Clay tiles




Metal standing seam roof




Wood shakes




Slate
Exterior finish




Stucco or plaster




Siding




up to 5 files 5 Mb each
0$
Lot information
Are you sure this lot is buildable?
Slope cannot be less than 0
For lot coverage and Floor area ratio keep default values if you don't know them.
That should be Ok for ballpark estimate
0$
Regular bathroom(s)
Selected items will be multiplied on the amount of bathrooms selected in previous step
Bathroom dimensions
Crown moulding




Paint grade crown up to 3-1/2" high




Paint grade crown up to 5-1/2" high




Paint grade crown up to 7-1/2" high
Lighting




Recessed high efficiency lights




Scones over sink(s). Select quantity.




Scones on a side of the mirror(s)
Window(s)




Select window(s) dimensions and quantity.
Shower / bathtub




Integral apron tub. Kohler Villager or equivalent




Stand-alone bath tub




Drop-in or Undermounted tub. Requires built-in enclosure and tile or custom slab finish




Shower area 36x60"
Shower door




Prefabricated shower door




Custom shower door




Curtain at shower
Custom glass




Custom glass for mounted tub
Bath tub door




Prefabricated bath tub door




Custom bath tub door




Curtain at bath tub
Tile work




Tile size up to 12", simple design, minimum accents - 2-3% of the total area, natural stone or ceramic tile, no shower niches, shower with the curb, simple drain cover, no tile baseboards.




Tile size up to 27", simple design, accents - 5% of the total area, natural stone, porcelain or ceramic tile, shower niche, shower with the curb, simple drain cover, no tile baseboards.




Tile size up to 40", custom design, accents - up to 10% of the total area, natural stone, porcelain or ceramic tile, 2 shower niches, curbless shower, linear drain, tile baseboards.
Toilet area




Common area




Toilet room
Window required?
Toilet




Wall hanging toilet




Floor standing toilet
Vanity
For double sink option please increase one of the walls to at least 10 feet




Single sink




Double sink




Pedestal or stand alone vanity
Vanity cabinet




Prefabricated built-in




Custom built-in
Fixture




Pedestal sink




Stand alone vanity with countertop and sink
Countertop




Prefabricated granite or quartz. Colors, bullnose shapes are limited.




Custom cut granite, marble or quartz. Most available colors, any bullnose shape.
Custom slab allowance will start from $35 sq/ft. but final price depends on total amount of sq.ft. needed. Slab sizes are limited and sold by piece, not by square foot.
Extras




Included: electric radiant heating cable and thermostat + installation




Bathroom hardware
0$
Kitchen customizer
Floor area
Flooring




Solid hardwood




Engineered hardwood




Laminate installation




Tile installation
Ceiling




Vaulted




Tray




Flat
Crown mouldings




Paint grade crown up to 3-1/2" high




Paint grade crown up to 5-1/2" high




Paint grade crown up to 7-1/2" high
Lighting




Chandalier




High efficiency recessed lights




High efficiency angled recessed lights




Ceiling mounted high efficiency light
Interior doors




Single door




Double door




Open floor plan - No interior doors required




Doorway - 8'x7' opening




Trim both sides of the opening? Paint grade material with jambs is assumed
Windows and exterior doors




Select window, dimensions and quantity




Select window, dimensions and quantity




Patio door




Access door
Cabinetry




Semi-custom kitchen cabinetry by Grand J&K




Full-custom kitchen cabinetry by Crystal cabinetry
Enter approximate total length of walls with upper and bottom cabinets




For multiple pantries provide combined width
Select pantry width
3x6' used for this estimate








Chandelier over island
Tile work at backsplash




18" high, no accents. Tile allowance $7/sq.ft.




18" high + accent wall at stove. Tile allowance $12/sq.ft.
Countertop




Granite or quartz. Colors, bullnose shapes are limited. Allowance $12/sq.ft.




Granite, marble or quartz. Most available colors, any bullnose shape. Allowance $35/sq.ft.
Appliances
Refrigeration




Standard 36" not built-in installation




Sub Zero, Thermador or equivalent




Built in refrigerators may have overlay panels installed, that match cabinetry style.
Cooking








Microwave




Over the range installation with exhaust piping, instead of the hood.




Over the range installation with exhaust piping, instead of the hood.




Over the cooktop installation with exhaust piping, instead of the hood.




Over the range installation with exhaust piping, instead of the hood.




Countertop microwave. No installation required, standing just on a countertop




Built-in microwave installation. Installed within cabinetry.
Oven
Oven




Built-in oven. Select options




This is optional. You have selected Range and it already has an oven.
Warming drawer




Optional warming drawer. Options available when Full custom cabinetry is selected.
You may select overlay panel to match cabinetry
Ventilation
options are only available when microwave is not used over the range or hood




Ceiling mounted hood. Air exhaust over cooking area




Wall mounted hood. Air exhaust over cooking area




Built-in hood matching cabinetry
Required. Fresh air intake device
Dish washing




Required in most cases. Add secondary if needed.
Sink




regular undermounted installation. includes garbage disposal




regular undermounted installation with custom sink base cabinet




Optional
Extras




Under-cabinet lighting. LED lights over countertop




Hidden receptacles. Legrand Adorne system of strip outlets hidden under upper cabinets. Outlets and strip included.
Optional




Air button for garbage disposal. Located on countertop by the sink. wet contact safe
0$
Living room
Customize options
Room dimensions
























Flooring




Solid hardwood installation




Engineered hardwood installation




Laminate installation




Tile installation
Ceiling options




Vaulted ceiling




Tray ceiling




Flat ceiling




Paint grade baseboards with installation




Paint grade baseboards with installation
Crown mouldings




Paint grade crown up to 3-1/2" high




Paint grade crown up to 5-1/2" high




Paint grade crown up to 8" high with installation
Lighting




Fan




Recessed lights




Angled recessed lights




Chandelier




Wall scones
Interior door(s)




Single door(s)




Double door(s)




Open floor plan - NO interior door required




Doorway - 10'x8' opening assumed




Trim both sides of the opening? Paint grade material with jambs is assumed




Material budget
Window(s) and exterior doors




Select window(s) dimensions and quantity




Select window(s) dimensions and quantity




Patio door




Access door
0$
Foundation and concrete
Excavation, footings, slabs, porches, steps
For 1&2 story addition
for 1 story
for 1&2 story
directly over 1st floor
Over existing house
Over existing house
Concrete slab 36x42 in. w/ 10 in. step @ Living room access door
Concrete slab 36x42 in. w/ 10 in. step @ Kitchen access door
Concrete slab 36x42 in. w/ 10 in. step @ Bedroom(s) access door
36 in. Concrete landing w/ 1 - 10 in. step @ Living room patio door
36 in. Concrete landing w/ 1 - 10 in. step @ Kitchen patio door
0$
Bedrooms
Customize options
Room dimensions
Flooring




Solid hardwood installation




Engineered hardwood installation




Laminate installation




Carpet installation
Material budget $/sq.ft.




Material budget
Ceiling




Vaulted ceiling




Tray ceiling




Flat ceiling
Crown mouldings




Paint grade crown up to 3-1/2" high




Paint grade crown up to 5-1/2" high




Paint grade crown up to 8" high with installation
Lighting




Fan




Recessed lights




Recessed angled lights




Chandelier




Wall scones




Paint grade baseboards with installation




Paint grade baseboards with installation
Interior door(s)
Room entry




Single door




Double door




Material budget
Closet




Walk-in closet




Regular 24" deep closet
Closet dimensions
Closet doors




















Window(s) and exterior doors




Select window(s) dimensions and quantity. At least 1 bedroom window needs to meet egress (min. 20" wide x 24" tall) and have minimum ventilation opening 5.7 sq.ft.




Select window(s) dimensions and quantity




Patio door




Access door
0$
Master bathroom
Bathroom dimensions
Crown moulding




Paint grade crown up to 3-1/2" high




Paint grade crown up to 5-1/2" high




Paint grade crown up to 7-1/2" high
Lighting




Recessed high efficiency lights




Scones over sink(s). Select quantity.




Scones on a side of the mirror(s)
Window(s)




Select window(s) dimensions and quantity.
Shower / bathtub




Integral apron tub. Kohler Villager or equivalent




Stand-alone bath tub




Drop-in or Undermounted tub. Requires built-in enclosure and tile or custom slab finish




Shower area 36x60"
Shower door




Prefabricated shower door




Custom shower door




Curtain at shower
Custom glass




Custom glass for mounted tub
Bath tub door




Prefabricated bath tub door




Custom bath tub door




Curtain at bath tub
Tile work




Tile size up to 12", simple design, minimum accents - 2-3% of the total area, natural stone or ceramic tile, no shower niches, shower with the curb, simple drain cover, no tile baseboards.




Tile size up to 27", simple design, accents - 5% of the total area, natural stone, porcelain or ceramic tile, shower niche, shower with the curb, simple drain cover, no tile baseboards.




Tile size up to 40", custom design, accents - up to 10% of the total area, natural stone, porcelain or ceramic tile, 2 shower niches, curbless shower, linear drain, tile baseboards.
Toilet area




Common area




Toilet room
Window required?
Toilet




Wall hanging toilet




Floor standing toilet
Vanity
For double sink option please increase one of the walls to at least 10 feet




Single sink




Double sink
Vanity cabinet




Prefabricated built-in




Custom built-in
Countertop




Prefabricated granite or quartz. Colors, bullnose shapes are limited.




Custom cut granite, marble or quartz. Most available colors, any bullnose shape.
Custom slab allowance will start from $35 sq/ft. but final price depends on total amount of sq.ft. needed. Slab sizes are limited and sold by piece, not by square foot.
Extras




Included: electric radiant heating cable and thermostat + installation




Bathroom hardware
0$
Powder room
Bathroom dimensions
Crown moulding




Paint grade crown up to 3-1/2" high




Paint grade crown up to 5-1/2" high




Paint grade crown up to 7-1/2" high
Lighting




Recessed high efficiency lights




Scones over sink(s). Select quantity.




Scones on a side of the mirror(s)
Window(s)




Select window(s) dimensions and quantity.
Tile work




Tile size up to 12", simple design, minimum accents - 2-3% of the total area, natural stone or ceramic tile.




Tile size up to 27", simple design, accents - 5% of the total area.




Tile size up to 40", custom design, accents - up to 10% of the total area.




Simple floor design. No mosaic tile, square layout.




Artistic floor design. No mosaic, some simple accents.




Mosaic style floor design. Hand maid accents, custom tile layout.
Toilet




Wall hanging toilet




Floor standing toilet
Vanity




Single sink




Pedestal or stand alone vanity
Vanity cabinet




Prefabricated built-in




Custom built-in
Fixture




Pedestal sink




Stand alone vanity with countertop and sink
Countertop




Prefabricated granite or quartz. Colors, bullnose shapes are limited.




Custom cut granite, marble or quartz. Most available colors, any bullnose shape.
Custom slab allowance will start from $35 sq/ft. but final price depends on total amount of sq.ft. needed. Slab sizes are limited and sold by piece, not by square foot.
Extras




Included: electric radiant heating cable and thermostat + installation




Bathroom hardware
0$
Rough framing
for 1&2 stories and crawl space
0$
Plumbing
Water heater




Connect new plumbing to existing water heater
$300 - 3000




Dedicated water heater for new home addition only




Hot water recirculation line for new addition bathrooms with pump
Extras
Check items that you know will be required
Water




New water main line from water meter at property line to the house up to 25 linear feet




Required in most cities with new water meter upgrade




Recommended if main line pressure is over 80 psi
Sewer




New sewer line from water meter at property line to the house up to 25 linear feet




Required in most cases for new home additions over 500 sq.ft. that has new plumbing fixtures