How A lot Does It Value to End an Attic? – Bob Vila

Cost to Finish an Attic


  • Typical Vary: $4,600 to $70,000
  • Nationwide Common: $25,250

Ending an attic means remodeling unused area beneath the roof of a house into usable residing area. The design course of often includes including sturdy and supportive flooring, electrical wiring, duct work, new wall framing, drywall, and presumably even plumbing if rest room area is being added. Whereas the job scope of an attic transformation might be fairly intensive for clean canvases, householders whose attics have an simply adaptable format could possibly get by with a smaller finances. For householders contemplating an attic refinish, figuring out the totally different variables and the way they have an effect on the ultimate value is necessary.

In keeping with Angi and HomeAdvisor, the nationwide common value to complete attic area is $25,250 however has a typical vary of $4,600 to $70,000. Components akin to attic dimension, attic model, meant objective for the area, and native labor prices all play a job within the last price ticket. Most attic remodels are an costly funding, however the excellent news is that they supply householders with a number of advantages, akin to custom-made further residing area for rising households and elevated dwelling values.

This information will assist householders perceive methods to estimate the associated fee to complete an attic, how to save cash throughout an attic transform, and what advantages a completed attic brings to a house.

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Components in Calculating the Value to End an Attic

How a lot does it value to complete an attic? There are a number of elements to think about when calculating the associated fee to remodel an attic from easy storage to luxurious residing. The next are a few of the most influential parts to think about.

Cost to Finish an Attic


Attic Dimension

The dimensions of an attic is probably going the most important value influencer. It goes with out saying {that a} small completed attic is more likely to value a lot lower than a big completed attic.

A bigger attic area is extra more likely to home extra rooms. Attics are sometimes open, so including further wall framing and doorways for zoned-off residing area, sleeping areas, and loos can enhance an attic transform finances in a short time. As compared, a smaller attic area might solely home a single room, like a bed room or workplace. With out the necessity for added partitions or doorways, the associated fee to remodel a small attic into usable area tends to be a lot much less.

The price to complete an attic per sq. foot ranges from $30 to $60, which incorporates each labor and supplies. The typical attic measures between 1,600 and 1,800 sq. ft. Householders can decide the sq. footage of their attic area to calculate an estimated value based mostly on dimension, however they’ll need to remember that there are different elements that decide attic ending value as properly.

Attic Fashion

What kind of attic is being completed? This is a crucial query to reply, since not all attics are the identical. Totally different attic sorts are fitted to totally different functions, influencing the ultimate transform value.

For instance, ending a walk-up attic prices between $8,100 and $26,000. Stroll-up attics have totally different transforming approaches than ones with a hatch. Ending a walk-up attic often includes ending the staircase and including sturdy flooring. These two initiatives value between $1,000 and $2,900 for the staircase and $2,500 to $6,800 for the flooring. In some circumstances, this can be sufficient to create a usable area for the house owner to get pleasure from, however many householders need further finishes that may push the overall value nearer to the excessive finish of the typical vary.

Ending an attic for use as a space for storing can apply to some totally different attic types. However for small, fundamental setups, both with or with out stairs resulting in the area, a storage transform can value as little as $4,600. A extra elaborate space for storing can value as much as $18,900.

Ending an attic with a dormer (a window that initiatives vertically past the airplane of a pitched roof) prices between $4,600 and $16,400. This consists of the value of recent roofing and flashing together with the price of supplies for the remainder of the attic area.

Lastly, ending an attic above the storage can value anyplace from $4,600 to $24,000, relying on whether or not heating, air flow, and insulation must be put in.

Room Function

The rationale for transforming an attic additionally impacts how a lot the venture will value. For instance, remodeling a small attic area into an workplace for distant or at-home work prices between $10,000 and $40,000, together with supplies and labor.

Turning an attic right into a space for storing could seem redundant, since many householders already use this area as an space for vacation decorations and household heirlooms. However transforming an attic into a correct space for storing means including supportive flooring for security and insulation to guard saved gadgets. It might probably additionally contain built-ins and a design that maximizes attic storage potential. This kind of transform prices between $4,600 and $18,900 for supplies and labor.

The price to complete an attic bed room runs between $8,000 and $30,000, whereas a rest room prices between $9,600 and $52,000. For householders contemplating including each a bed room and a rest room and turning unused attic area right into a dream major suite, the typical value vary is $27,000 to $80,000.


Labor sometimes accounts for 40 p.c of an attic ending venture. Frequent attic ending initiatives embody insulation, demolition, electrical work, portray, designing, and extra. All venture sorts have their very own distinctive labor prices.

Insulation has essentially the most inexpensive labor common value at $300. Demolition is only a bit extra at $450. Electrical work prices about $500 in labor, whereas portray is available in at round $550. Labor prices for design come out to a mean of $600; plumbing prices about $750 in labor. Flooring prices simply over $1,000 in labor, whereas doorways and home windows value about $1,050 in labor every. The labor prices related to putting in a closet are $1,100, whereas HVAC labor prices can attain as excessive as $2,575.


When estimating materials prices for an attic transform, householders might need to know that supplies are inclined to account for 60 p.c of a venture value. This often provides as much as about $60 to $180 per sq. foot for supplies.

In terms of ending an attic, the phrase “supplies” covers a variety of parts. Supplies may embody drywall, insultation, carpeting, home windows, lights, or rest room fixtures. There are additionally the supplies hidden beneath the flooring, like subflooring, and supplies within the partitions, like plumbing and electrical work.

Contractors don’t at all times break down quotes by labor and supplies. Householders might need to ask for an itemized record of what supplies are being bought for his or her venture in order that they have a greater thought of the place their finances is being spent. This could additionally assist householders know the place they should attempt to save on supplies and the place they’ll splurge.

Cost to Finish an Attic


Further Prices and Concerns

In addition to sq. footage and labor, there are a couple of different necessary prices and concerns householders ought to be mindful when calculating the price of attic renovation. Not all attic ending initiatives would require the next, however protecting all potential prices in thoughts helps maintain a venture from going over finances.

Structural Engineer

A structural engineer helps with an attic transform by ensuring the area is ready to stand as much as stresses and pressures. In different phrases, they be certain an attic is a protected area for human use (as a result of nobody needs to really feel the ground collapse) and may face up to the fundamentals Mom Nature throws its approach, like wind and torrential rain.

Not all attic remodels require the talents of a structural engineer, nevertheless it’s straightforward to see how their providers might be useful. If ending an attic goes past the fundamentals, hiring a structural engineer is a good suggestion. Knowledgeable can be certain all of the added weight in supplies going into an attic transform gained’t put insufferable stress on a house’s construction. The price to rent a structural engineer is between $400 and $800, which is definitely a small value to pay to ensure all the opposite work going into an attic transform gained’t come crashing down ultimately. As a bonus, they’ll additionally supply completed attic concepts that complement the present structural format.

Ending the attic isn’t any DIY job

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Normally, main demolition isn’t crucial in an attic ending venture. It is because the area is often a clean canvas, the place all of the work is about constructing from scratch quite than rebuilding as a consequence of poor operate or unattractive aesthetics.

However there might be eventualities the place a demo can be a part of the attic ending course of. For instance, perhaps a earlier house owner gave a DIY end a try to their work must be eliminated. Or perhaps the format and construction of an current attic must be extensively modified to accommodate the brand new format.

In terms of demolition labor charges, householders can count on to pay between $200 and $700. Normally, demolition is a small share of the general attic ending value and shouldn’t concern a house owner a lot, particularly if their attic is extra naked bones in nature.


Primary attic ending initiatives might not require a allow. However ending an attic with no allow when a part of the job scope includes electrical work, air flow, or plumbing generally is a determination that would end in severe fines. Most states require permits for most of these work, all that are frequent in above-based attic remodels.

A allow can also be more likely to be required if the design includes altering the construction of the present attic, akin to including partitions or dormers. The excellent news is that the majority contractors deal with allow necessities, eradicating one job from a house owner’s plate. These prices are sometimes constructed into the general venture value, however curious householders can examine with their native allowing workplace to see what particular person prices could also be; the standard vary is $150 to $500.

Cost to Finish an Attic


Attic Ending Building Prices

There are numerous layers to an attic ending venture, all with their very own distinctive value vary. The next parts give householders an thought of what to anticipate in relation to pricing all through the varied phases of an attic transform.


The style wherein an attic is accessed performs a job in how ending the area will value. For instance, constructing a stable and protected staircase that meets native coding necessities prices between $500 and $3,000. For these searching for a extra upscale look, a spiral staircase is at all times an choice. They’re a bit pricier, although, with a typical vary of $2,000 to $6,000.

It’s necessary that householders not make the error of assuming what’s already current will work. Attics with hatches or drop-down ladders are acceptable when an area is unfinished, however as soon as the ending course of begins, everlasting accessibility must be a part of the design. Unsteady, movable ladders and drop-down staircases sometimes gained’t meet constructing codes.

Home windows

Home windows are a necessity for any completed attic area. Not solely do they add lighting for visible and aesthetic causes, they’re additionally legally required for security. Actually, for an attic bed room to be authorized, an egress window measuring a minimum of 5.7 sq. ft should be a part of the design course of. This comes at a price between $2,500 and $5,100 for supplies and labor.

Skylights are one other window choice for attic areas. They add pure gentle and photo voltaic heating whereas making the area really feel brighter and greater. This kind of window prices between $1,000 and $2,400 for supplies and set up.


Most older attics are possible under-insulated. Even a barely completed attic would possible profit from new insulation. Insulating an attic helps stop air from escaping a house whereas additionally stopping outdoors air from coming in. It’s frequent for a house to lose heating and cooling by means of the attic, elevating vitality prices consequently. That is why including one of many best attic insulation options is such an necessary a part of the attic ending course of.

There are numerous various kinds of completed attic insulation, and the cost to install insulation relies upon closely on kind. For instance, putting in blown-in insulation has a mean nationwide value of $1,555, whereas putting in batt, rolled, or reflective insulation has a mean nationwide value of $1,760. Spray foam insulation is the most costly, although it’s as much as 50 p.c extra environment friendly than another sorts. Householders can count on to pay $2,625 for spray foam insulation in an attic area.


Householders are sometimes shocked to seek out out that skilled appraisers rely sq. footage of a completed attic solely the place the ceiling is 7 ft or increased. Areas with decrease clearance might be completed, however they don’t rely as further residing area for appraisal functions. In most unfinished attics, the one ceiling design ingredient is the within of the roof, so having an aesthetic and useful ceiling put in is often on the to-do record of an attic ending venture.

Ending an attic ceiling can value as little as $120 for a stable ceiling simply in want of some paint. Including crown molding is usually an extra $200 to $240, whereas a ceiling fan set up prices between $350 and $640. Ceiling costs can rapidly climb, particularly when householders need to maximize the sq. footage of their transform for appraisal functions. A slanted ceiling prices between $8,000 and $12,000, whereas a vaulted ceiling prices between $18,000 and $25,000.


Most attics don’t have an everyday ground like the remainder of a house, because it’s not a crucial expense to soak up throughout preliminary building. When householders are changing an attic into usable area, nonetheless, subflooring is a crucial expense.

A subfloor is the muse beneath an attic’s completed ground. It offers a flat and sound floor over the ground joists in order that utilized flooring is safe and degree. Subflooring is put in after the attic ventilation and electrical programs are in place. Insulation will also be positioned beneath the subfloor for vitality effectivity and sound dampening. On common, laying a subfloor in an attic prices between $500 and $800.

Ground Joists

Not all attic ending initiatives want joist work, however for those who do require joist substitute or restore, the typical value is between $1,000 and $10,000.

Earlier than beginning an attic transform, the present ground joists must be inspected. They might want remedial work, or, with the intention to correctly help a subfloor on which to put attic flooring, further joists might must be put in. Joists should be sturdy sufficient to bear the load of individuals, furnishings, and different supplies in a completed and operational room. This equates to a ground with the ability to help a load of 30 kilos per sq. foot.

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Typically drywall is all it takes to remodel an attic area. The price to drywall an attic area runs between $1,000 and $2,600. Drywall is one other attic venture that must be properly coordinated between contractors. As soon as an attic’s ground joists have been structurally permitted, wiring, insulation, and air flow programs might be positioned. Solely then can drywall go up. In any other case, items might must be eliminated to permit contractors entry to essential programs.


Portray is taken into account a of entirety within the transforming world. It’s no totally different for attic ending. Placing paint on the partitions is among the final steps within the course of and tends to carry the whole venture collectively.

Skilled portray prices between $500 and $2,100, and whereas this value isn’t exorbitant, portray is among the safer initiatives for DIY fans to attempt. If an attic ending venture goes over finances, a house owner can lower prices by taking up the portray portion, so long as they’ve sufficient expertise to make use of paint and provides effectively.


Unfinished attics aren’t ready to deal with {the electrical} wants of a residing area, which is why electrical prices are virtually at all times a part of an attic ending venture finances.

There are a selection {of electrical} initiatives that come into play when householders are refinishing an attic. For instance, putting in electrical wiring prices between $600 and $2,200. Putting in electrical retailers prices between $150 and $300 per outlet, with lighting options operating $200 to $850 every. Total, new attic electrical prices between $1,000 and $3,400 on common.


Including plumbing to an attic isn’t at all times crucial. For instance, a storage attic isn’t more likely to want operating water. However in relation to including a major suite with its personal rest room, the cost of hiring a plumber will must be added to the general venture value.

Plumbing prices between $1,000 and $10,000 for an attic ending venture. The place a venture falls inside that vary is dependent upon whether or not new plumbing must be added or whether or not the present plumbing is shut sufficient to faucet into.


Including heating and AC to an attic might be costly, nevertheless it’s not often an expense that householders remorse. Attics are sometimes remodeled into bedrooms or places of work—each areas that must be comfy to be loved. The excellent news is that connecting an attic to a house’s current HVAC system is feasible and has a price vary of $600 to $20,000.

Electrical wall heaters generally is a extra inexpensive choice, costing between $600 and $1,000. Underfloor heating can also be a risk, costing between $1,000 and $3,600. Alternatively, a fire might be added as a warmth supply, costing as much as $20,000.

In terms of AC, connecting to a house’s current central air system prices $500 to $900. Putting in a ductless or mini-split system avoids ductwork, however the prices run increased—between $2,000 and $4,000.

Advantages of a Completed Attic

There are numerous legitimate causes for ending an attic, with some being extra apparent than others. The next are a few of the high benefits for householders contemplating an attic transform.

Further Residing Area

As households and hobbies develop, further residing area can turn out to be a necessity. Additions might be expensive and are sometimes out of a house owner’s finances. Changing area that’s already current, like an attic, into usable residing area makes plenty of monetary sense.

Ending an attic offers a house owner full management on how the area is getting used. Whether or not they need to create the first suite of their goals, add an workplace for a tranquil working area, or create a bonus area that may age with their youngsters’ wants, all are attainable when transforming an attic.

An attic can also be an ideal choice for multigenerational households. Identical to a basement condo, an attic might be transformed to accommodate residing area, together with bedrooms, loos, and small kitchens with the fitting permits and construction modifications.

There’s actually no restrict to how attics can be utilized so as to add extra residing area to a house. Householders can discover footage of completed attics for inspiration to maximise their attic’s potential.

Elevated Residence Worth

In terms of a completed attic, earlier than and after values might be fairly totally different. Information reveals that changing an attic to an extra residing area inside a house has a 56 p.c ROI (return on funding). This implies it’s an improve potential dwelling patrons reply to positively. If a house owner is aware of they’ll be promoting quickly, one approach to get high greenback for his or her house is to complete their attic.

However even when a house owner plans on staying of their dwelling for years to come back, ending an attic now could make it simpler to extend their notion of their dwelling’s worth. In spite of everything, worth isn’t nearly what somebody is prepared to pay for a house. It’s additionally concerning the relationship between a house owner and their home. A home that provides greater than it takes shall be value extra to a house owner.

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Improved Power Effectivity

Improved vitality effectivity is an often-overlooked good thing about ending an attic. Practically each attic is insulated throughout a transform; it doesn’t matter the kind of insulation used, as a result of an insulated attic promotes higher air circulation. This helps a house really feel extra comfy whereas additionally decreasing the price of vitality payments.

Simply how a lot vitality financial savings can a house owner see? It is dependent upon the warmth supply, dimension of the attic, and the house owner’s most popular thermostat settings. Whatever the dimension, nonetheless, insulating an attic may also help cut back heating prices by as a lot as $417 a 12 months for fuel heating and $1,152 a 12 months for oil. Actually, practically 40 p.c of a house’s warmth is misplaced by means of the attic if left uninsulated.

Cost to Finish an Attic


Attic Ending: DIY vs. Hiring a Skilled 

Is it attainable to DIY an attic improve? It could be, relying on the extent of the work required and the house owner’s consolation degree in relation to bigger dwelling initiatives. Going from uncovered rafters to usable (and authorized) residing area isn’t a straightforward enterprise. Ending an attic sometimes requires cleansing and prepping, wiring for electrical energy, putting in a subfloor, insulating the attic, including drywall and ceiling supplies, portray, and putting in flooring. All of those are specialties in their very own proper, and anticipating a novice to deal with all of them professionally is unrealistic.

It’s virtually at all times really useful that householders work with knowledgeable (and even a number of) when taking over an attic ending venture. There are a couple of the reason why. The primary is entry to instruments. A large number of instruments are wanted to finish an attic transform that transcend the fundamental toolbox. Massive equipment might even be wanted to load supplies into the area. Discovering the finances, time, and networking alternatives to purchase, borrow, or lease all the mandatory instruments might be a full-time job in itself.

There’s additionally the difficulty of security. A home-owner wants not solely to finish every job with out risking damage to themselves or others but additionally to verify difficult jobs like electrical and plumbing are achieved accurately with out placing their household’s security and their dwelling in danger.

Expertise and velocity are additionally a difficulty. Tackling an attic transform on their very own generally is a gradual course of for an inexperienced house owner. Analysis might be time-consuming, and errors can carry progress to a standstill. The expertise a contractor brings to an attic transform will make sure the venture stays on monitor.

Whereas there are definitely components of an attic ending venture that may be tackled by a house owner, like demolition, prepping, portray, and cleanup, or perhaps even laying flooring or rest room tiles for an skilled house owner, a lot of the jobs which are concerned must be left to knowledgeable. Whereas a DIY method might be cheaper, the extra prices that come together with inexperience can rapidly soak up any potential financial savings.

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How you can Save Cash on the Value to End an Attic

Savvy householders know that investing in an attic transform is one approach to considerably enhance the worth of their dwelling. However is it attainable to have an inexpensive attic transform? The next are some suggestions to save cash on attic conversion prices.

  • Make sure that legalities are so as earlier than the venture begins. This includes researching permits and constructing codes whereas ensuring all concerned contractors are dedicated to being in compliance with native ordinances. This doesn’t save off the preliminary attic transform value however can stop pricey rework if one thing isn’t accomplished to code.
  • Search out a number of quotes from various kinds of contractors. Some are extra generalized of their providers, whereas others are extra specialised. This could add as much as large variations when estimates are available. Discovering the stability between expertise and value inside a finances includes searching for out a number of quotes, however the further groundwork could make all of the distinction in staying on finances and throughout the agreed-upon timeframe.
  • Don’t skip the insulation. Whereas this may be an extra upfront value, insulation helps decrease vitality payments and basically pays for itself over time.
  • Store for supplies. One good thing about working with attic ending contractors is that they typically have entry to lower-priced supplies in comparison with what householders can purchase from big-box shops. However that doesn’t imply householders can’t store resale shops or on-line marketplaces for offers on flooring, lighting, or cabinetry that even beat the contractor’s value.
  • Suppose DIY and repurposing the place they make (protected) sense. Finishing an attic transform with out the assistance of a professional or two is almost not possible. However householders can deal with a couple of jobs on their very own to cut back labor prices, like portray or cleansing up. Repurposing furnishings from elsewhere within the dwelling or from storage gross sales can refill a newly transformed residing area on a small finances as properly.

Cost to Finish an Attic

Inquiries to Ask About Ending an Attic

There are a number of methods to discover a contractor for an attic transform. And on the finish of the day, a number of varieties of contractors will almost certainly be wanted, so figuring out the fitting inquiries to ask with the intention to slender down the record of contending contractors is necessary. What follows are a few of the most necessary questions a house owner would possibly ask when contemplating knowledgeable for his or her attic ending venture.

  • What number of years of expertise do you’ve got?
  • Are you licensed and insured?
  • How do you practice your staff members?
  • Do you supply free quotes for the job in query?
  • When are you able to begin the job?
  • How lengthy will the job take?
  • Will you be on-site each day?
  • How do you coordinate with different potential contractors concerned within the venture?
  • How do you deal with funds?
  • Do you supply a assure in your work?
  • How do you deal with points purchasers have after a venture is full?
  • How do you deal with further work requests?
  • What kind of cleanup is included in your providers?
  • What are your solutions for maximizing the potential of my attic transform?
  • Will you get hold of the permits and arrange any inspections required for the job?


Ending an attic is a good way to realize extra residing area with out the trouble of shifting. The typical value to complete attic area for household use is a big funding, at $26,900. However the further advantages, akin to added sq. footage, improved format of a house, and better dwelling worth, could make it a wise selection for a lot of householders. A curious house owner can take into account these further questions and solutions about ending an attic to find out whether or not it’s the fitting selection for them.

Q.Do I would like a allow to complete my attic?

A allow will almost certainly be required for an attic transform. It is because most attics wouldn’t have electrical wiring. When householders are ending the area for household use, including electrical energy is a necessity. Including electrical wiring at all times requires a allow, as does including air flow or altering the construction of a house (e.g., flattening a wall or including a dormer).

Q. How lengthy does it take to complete an attic on common?

There are numerous variables that have an effect on an attic refinish timeline. A easy conversion involving some drywall, easy flooring, and fundamental furnishings placement might be tackled in as little as 4 weeks, however extra advanced finishes, like including a residing area, bed room, and full rest room, can take shut to eight weeks.

Q. Is it cheaper to complete the attic or the basement?

The typical cost to finish a basement is $30 to $75 per sq. foot. As compared, the typical value to complete an attic is between $30 and $60 per sq. foot. Nonetheless, a serious attic conversion can value as much as $80,000, whereas a fundamental basement improve can value as little as $18,500. When deciding between the 2 choices of their dwelling, a house owner will need to hunt down a number of bids to find out which most closely fits their finances.

Q.Is it cheaper to construct up or out?

Constructing out is considerably cheaper than increase. The typical value so as to add onto a house outward is between $140 and $180 per sq. foot. As compared, the typical value to construct upward is between $180 to $250 per sq. foot. Which means in most eventualities that add on the identical sq. footage to a house, the most costly build-out choice is equal to the least costly build-up choice.

Q. Does a completed attic add resale worth?

Sure, ending an attic is a good way to extend a house’s resale worth. Based mostly on 2019 knowledge, changing an attic to further residing area had a 56 p.c ROI. This quantity might be even increased if further bedrooms or loos are added, together with changing an attic to a master bedroom.

Q. Why are attics left unfinished?

Properties that depend on rafters for roof help have an attic area. This area affords useful help for the roof, ensuring it’s sloped sufficient for pure water drainage. Including supportive flooring, insulation, and home windows to an attic solely provides to the price of a house. If a house owner is joyful simply utilizing the attic area for storage (and roof help), the extra ending prices outweigh the advantages.

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