当你做旧房改造和推到重建房屋时，根据权威机构CMHC（Canada Mortgage and Housing Corporation）提供的参考数据可以大致粗略计算建筑成本。建筑工程主要包括：屋顶，泛水，烟囱；外部；结构；电；加热；制冷；保温；水暖；室内等部分。
Roofing / Flashings / Chimneys | ||
Install conventional asphalt shingles over existing shingles | $2.00 - $4.00 per sq.ft. | |
Strip and reshingle with conventional asphalt shingles | $2.75- $5.50 per sq.ft. | |
Strip and reshingle with premium quality asphalt shingles | $5.00 - $10.00 per sq .ft. | |
Strip and re-roof with cedar shingles | $9.00 - $18.00 per sq .ft. | |
Strip and replace built-up tar and gravel roof | $10.00 - $20.00 per sq.ft. (min. $1000) | |
Strip and replace single-ply membrane | $10.00 - $20.00 per sq.ft. (min. $1000) | |
Reflash typical skylight or chimney | $500.00 - $1000.00 | |
Rebuild typical chimney above roof line | $25.00 - $50.00 per row of bricks (min. $400) | |
Rebuild typical single flue chimney above roof line | $200.00 - $400.00 per lin.ft. (min. $1000) | |
Exterior | ||
Install galvanized or aluminum gutters and downspouts | $5.00 - $10.00 per lin.ft. (min. $500) | |
Install aluminum soffits and fascia | $8.00 - $16.00 per lin.ft. | |
Install aluminum or vinyl siding | $6.00 - $12.00 per sq.ft. | |
Repoint exterior wall (soft mortar) | $3.00 - 6.00 per sq.ft. (min. $500) | |
Repoint exterior wall (hard mortar) | $5.00 - $10.00 per sq.ft. (min. $500) | |
Parge foundation walls | $3.00 - $6.00 per sq.ft. | |
Dampproof foundation walls and install weeping tile | $150.00 - $300.00 per lin.ft. (min. $3000) | |
Install a deck | $25.00 - $50.00 per sq.ft. (min. $1000) | |
Resurface existing asphalt driveway | $2.00 - $4.00 per sq.ft. | |
Install interlocking brick driveway | $8.00 - $16.00 per sq.ft. | |
Rebuild exterior basement stairwell | $5000.00 and up | |
Build detached garage | $70.00 - $140.00 per sq.ft. | |
Build retaining wall (wood) | $20.00 - $40.00 per sq.ft. (min. $500) | |
Build retaining wall (concrete) | $30.00 - $60.00 per sq.ft. (min $500) | |
Painting (trim only) | $2000.00 - $4000.00 and up | |
Painting (trim and wall surfaces) | $5000.00 and up | |
Structure | ||
Underpin one corner of house | $5000.00 and up | |
Underpin or add foundations | $300.00 and up per lin.ft. (min. $3000) | |
Lower basement floor by underpinning and/or bench footings | $150.00 - $300.00 per lin.ft. (min. $5000) | |
Replace deteriorating sill beam with concrete | $60.00 and up per lin.ft. (min. $2000) | |
Install basement support post with proper foundation | $800.00 - $1600.00 | |
Perform chemical treatment for termites | $2000.00 and up | |
Repair minor crack in poured concrete foundation | $400.00 - $800.00 | |
Electrical | ||
Upgrade electrical service to 100 amps | $1200.00 - $3000.00 | |
Upgrade electrical service to 100 amps | $800.00 - $1600.00 | |
Upgrade electrical service to 200 amps | $1700.00 - $3500.00 | |
Install new circuit breaker panel | $700.00 - $1400.00 | |
Replace circuit breaker (20 amp or less) | $100.00 - $200.00 | |
Add 120 volt circuit (microwave, freezer, etc.) | $150.00 - $300.00 | |
Add 240 volt circuit (dryer, stove, etc.) | $300.00 - $600.00 | |
Add conventional receptacle | $200.00 - $400.00 | |
Replace conventional receptacle with ground fault circuit receptacle | $70.00 -$140.00 | |
Replace conventional receptacle with aluminum compatible type (CO/ALR)(assuming several are required) | $60.00 - $120.00 ea. | |
Upgrade entire house with aluminum compatible receptacles, connectors, etc. | $1000.00 - $2000.00 | |
Rewire electrical outlet with reversed polarity | $5.00 - $10.00 ea. | |
Replace knob & tube wiring with conventional wiring (per room) | $1000.00 - $2000.00 | |
Heating | ||
Install mid-efficiency forced-air furnace | $2500.00 - $5000.00 | |
Install high-efficiency forced-air furnace | $3500.00 - $7000.00 | |
Install humidifier | $300.00 - $600.00 | |
Install electronic air filter | $800.00 - $1600.00 | |
Install mid-efficiency boiler | $3500.00 - $7000.00 | |
Install high-efficiency boiler | $6000.00 - $12000.00 | |
Install circulating pump | $400.00 - $600.00 | |
Install chimney liner for gas appliance | $500.00 - $1000.00 | |
Install chimney liner for oil appliance | $700.00 - $1800.00 | |
Install programmable thermostat | $200.00 - $400.00 | |
Replace indoor oil tank | $1200.00 - $2500.00 | |
Remove oil tank from basement | $600.00 and up | |
Remove abandoned underground oil tank | $10000.00 and up | |
Replace radiator valve | $300.00 - $600.00 | |
Add electric baseboard heater | $250.00 - $500.00 | |
Convert from hot water heating to forced-air (bungalow) | $10000.00 - $20000.00 | |
Convert from hot water heating to forced-air (two storey) | $15000.00 - $30000.00 | |
Clean ductwork | $300.00 - $600.00 | |
Cooling / Heat Pumps | ||
Add central air conditioning on existing forced-air system | $3000.00 and up | |
Add heat pump to forced-air system | $4000.00 - $8000.00 | |
Replace heat pump or air conditioning condenser | $1200.00 - $2500.00 | |
Install independent air conditioning system | $10000.00 - $20000.00 | |
Install ductless air conditioning system | $3000.00 - $7000.00 | |
Insulation | ||
Insulate open attic to modern standards | $0.80 - $1.60 per sq.ft. | |
Blow insulation into flat roof, cathedral ceiling or wall cavity | $2.00 - $4.00 per sq.ft. | |
Improve attic ventilation | $30.00 - $60.00 per vent | |
Plumbing | ||
Replace galvanized piping with copper | $2500.00 - $5000.00 | |
Replace water line to house | $2000.00 and up | |
Replace toilet | $500.00 and up | |
Replace basin, including faucets | $750.00 and up | |
Replace bathtub, including ceramic tile and faucets | $2500.00 and up | |
Install whirlpool bath, including faucets | $3500.00 and up | |
Retile bathtub enclosure | $1000.00 - $2000.00 | |
Replace leaking shower stall pan | $1000.00 - $2000.00 | |
Rebuild tile shower stall | $2500.00 - $5000.00 | |
Replace laundry tubs | $400.00 - $800.00 | |
Remodel four-piece bathroom completely | $6000.00 - $50000.00 | |
Connect waste plumbing system to municipal sewers | $5000.00 and up | |
Install submersible pump | $1000.00 and up | |
Install suction or jet pump | $700.00 and up | |
Install modest basement bathroom | $6000.00 and up | |
Interior | ||
Add drywall over plaster | $4.00 - $8.00 per sq.ft. | |
Sand and refinish hardwood floors | $2.00 - $4.00 per sq.ft. | |
Install replacement windows | $40.00 - $120.00 per sq.ft. | |
Install storm window | $200.00 - $400.00 | |
Install masonry fireplace (if flue already roughed-in) | $3000.00 and up | |
Install zero-clearance firelace (including chimney) | $3500.00 and up | |
Install glass doors on fireplace | $300.00 and up | |
Install skylight | $3000.00 | |
Remodel kitchen completely | $10,000.00 - $110000.00 | |
Install gas fireplace | $3500.00 and up | |
（转自：枫下房缘）
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