Plan 52532WM answers a question many small-scale investors ask: "Is this the duplex worth actually building?" Sub-900 square-foot duplexes carry familiar problems: too small for long-term tenants, too expensive to furnish for short-term rentals, and the absence of any garage parking holds down the rental rate. Plan 52532WM sits in the size bracket that avoids those problems, and it solves several of the issues smaller plans don't. So this review is both an answer to that question and a public record of where we think this 1,892 sq ft modern ranch duplex actually belongs.
This review comes from The Layered Homes editorial team. We don't sell house plans, we don't represent Architectural Designs, and the "Buy This Plan" link is an affiliate link: if you buy the plan through it, we may earn a commission at no extra cost to you, and that never changes what the review says. What we do is read drawings against how compact multi-family housing either earns its keep or quietly underperforms its pro-forma. Plan 52532WM is in a much more forgiving category than the sub-900 sq ft duplexes we review most often: at 946 square feet per unit with a true 2-bedroom layout, en-suite primary, and an attached one-car garage, it crosses the line from "investor-only" to "investor or owner-occupant," which is a meaningful distinction.
The short verdict: this is a competently drawn duplex plan. The split-bedroom arrangement is the single best decision in the layout, the vaulted great room earns its keep in a unit this size, and the per-unit garage closes the gap that kills cottage-duplex rental performance in suburban markets. The places it asks you to do real homework are the shared guest bath inside each unit (a friction point for long-term tenants), the absence of a defined dining area, and the duplex zoning question that hangs over every multi-family plan in the Southeast right now.
By The Layered Homes editorial team
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What's in this review
- Floor Plan: Per-Unit Layout & Split-Bedroom Strategy
- Exterior: Modern Ranch Massing & Streetscape
- Interior: Vaulted Volume, Kitchen Function, Finish Considerations
- What Works Well in This Plan
- Points to Consider Before You Commit
- Pro Tips for Building This Duplex
- Regional Build Cost in 7 Southeast Markets
- Frequently Asked Questions
- Sources & References
- Who Plan 52532WM Suits Best
Floor Plan: Per-Unit Layout & Split-Bedroom Strategy
Main Level: 1,892 Total Heated Sq Ft (2 mirrored units, 946 sq ft each)
Each unit is exactly 946 square feet, mirrored across a shared central party wall. The mirror arrangement is the right choice for a duplex of this size: it duplicates every plumbing stack, framing detail, and finish run, which simplifies the construction documents and reduces the number of unique trades sequences your contractor has to manage. Investor builds where every detail repeats typically run an estimated 6-9% under one-off construction.
Entry is from a covered front porch into a 5-foot interior hallway. Immediately to one side sits the flex study (roughly 9x10 feet, or about 90 square feet of true convertible space), and across the hall is the secondary bedroom (11x9) with a full bathroom adjacent. This grouping is the front zone: the public, quasi-public, and guest sleeping functions clustered near the entry, where they belong. The hallway then opens into the great room, dining, and kitchen volume, which is the central social heart of the unit. The primary suite sits at the rear of the floor plan, opening off the great room, while the secondary bedroom sits at the front corner with the kitchen, baths and closets between them, which is the split-bedroom arrangement and the layout's most important design decision.
The great room measures 15x21 feet (about 315 square feet of combined living and dining volume), anchored by the vaulted ceiling covered in detail below. The kitchen is a single-wall run along the bedroom partition, facing a 2'6" x 6' island that holds the sink and dishwasher and gives prep space and casual seating. The 6x3-8 pantry off the kitchen is a small walk-in that also houses the stacked washer-dryer, so food storage shares the space with laundry.
The primary suite at the rear runs 11x15-4 feet, with a walk-in closet (5x7) and a 5-8x10 private bathroom featuring dual vanities and a tub-shower. The dual vanity in a 946 sq ft unit is unusually generous and signals that this plan was drawn with owner-occupant or long-term tenant comfort in mind, not just rental-investor minimums. The stacked washer-dryer sits inside the kitchen pantry and the AC and water heater closet opens off the garage, which keeps the noisy mechanical equipment out of the living space. Each unit gets its own 11-4x21 attached one-car garage, the single biggest amenity differential between this plan and the smaller cottage duplexes reviewed most often on this site.
Exterior: Modern Ranch Massing & Streetscape
The exterior is built on a single primary gable running the length of the building, broken by the small entry porches and garage door openings on the front elevation. White board-and-batten siding over a brick water table is a familiar Southeast vocabulary. The brick anchors the building visually and protects the lower 24-30 inches of the envelope from splash-up moisture and lawn-mower damage, while the board-and-batten reads as updated farmhouse and ages well across the climate range from Charleston to Nashville.
The renderings show white-trimmed grid windows, and switching to black-framed units is an easy modernizing move: they sharpen the silhouette without committing the plan to a fully contemporary vocabulary that would limit its tenant pool. We would specify Marvin aluminum-clad casement windows in Ebony exterior with a white interior, Andersen 100 Series in Black, or Pella Lifestyle vinyl in Black for the value-engineered alternative. All three carry the right NFRC ratings for IECC 2024 climate zones 3 and 4 (most of the Southeast) and hold their black exterior color through the 25-year glazing warranty.
The carriage-style garage doors are a thoughtful detail that improves a feature most rental plans render as a flat aluminum slab. Specify Clopay Coachman Series Design 13 or Wayne Dalton Model 9700 in Black with windows along the upper panel. Both add roughly $1,400-$1,800 per door over a builder-grade panel door but contribute meaningfully to curb appeal and resale, and they read as residential rather than as "duplex." The small covered entry at each end of the building, with a single square post, gives each unit its own identity at the front door, which is important because the duplex still reads as one building from the street, but each entry feels personal rather than institutional.
A note on streetscape compatibility: this exterior reads correctly in suburban infill parcels (Mount Pleasant SC, the West Ashley neighborhoods of Charleston, the Bellemeade area of Greenville), in newer Nashville-area subdivisions targeting young families, and in the master-planned communities outside Atlanta. Where it reads as out-of-context: historic district parcels, true rural lots, and certain coastal Naples or Savannah blocks where the architectural review board enforces a more traditional vocabulary. Always verify your HOA or design review covenant before committing to this facade.
Interior: Vaulted Volume, Kitchen Function, Finish Considerations
The vaulted ceiling in the great room is the single most important interior decision in this plan, and it's the right one. A 15x21 great room with a flat 9-foot ceiling reads as comfortable; the same room vaulted to roughly 14 feet at the ridge reads as generous, and "generous" in a 946 sq ft unit can be a 30-50% rental rate variable in markets like Charleston and Nashville. The vault adds approximately $4,200-$5,800 per unit in roof framing and additional drywall versus a flat-ceilinged equivalent, and recovers that incremental cost in the first 8-14 months of higher rental rate.
For a rental-grade finish schedule, specify luxury vinyl plank (LVP) throughout the main living areas and bedrooms: Mohawk RevWood Plus in an oak-look 7" plank, or Shaw Floorté Pro for the slightly higher commercial-grade option, both installed over an acoustic underlayment to manage sound transmission to the unit below the joist line and across the party wall. Carpet only in the primary bedroom is the older convention; current best practice is LVP in the primary too, with a large area rug specified or recommended to the tenant. Bathrooms: Daltile RevoTile large-format porcelain on floors and the primary shower surround. Kitchen: Cambria Brittanicus quartz on the perimeter counters and island ($2,600-$3,400 per unit for the linear footage in this plan), Cardinal Cabinets shaker-front in matte white ($4,800-$5,900 per unit installed), and a stainless-steel Whirlpool or LG appliance package ($3,400-$4,200 per unit for the four-piece set).
The single-wall kitchen with its island is well-proportioned. The work triangle from sink to range to refrigerator stays under 21 linear feet, which is the NKBA-recommended efficiency threshold. The island contributes about 6 linear feet of additional prep counter and provides seating for two on a 12-inch overhang. The walk-in pantry is the kind of detail that distinguishes a competently drawn plan from a builder-grade one: it gives a tenant or owner real food storage instead of forcing the kitchen cabinets to do double duty as pantry storage.
The primary suite is the unit's quietest space, located at the rear and separated from the secondary bedroom by the kitchen, baths and closets. The dual-vanity bathroom is a quality-of-life upgrade worth preserving through value engineering, since it's the single feature most likely to retain a long-term tenant past their first lease renewal. The walk-in closet at 5x7 is appropriately sized for two adults sharing the unit. The secondary bedroom near the entry is sized for a child, a guest room, or a roommate situation, and its proximity to the front bath supports either use.
The flex study off the entry hallway is the unit's most under-discussed feature. At roughly 90 square feet it's not large, but it's correctly placed: visible from the entry (so you can hear the door), separated from the bedroom volume (so a video call won't disturb a sleeping child), and adjacent to the guest bath (so a daytime guest doesn't have to navigate to the primary suite). For the 2026 work-from-home tenant pool this room is worth roughly $80-$120 per month in rental rate over an equivalent unit without a dedicated office space.
What Works Well in This Plan
Two decisions carry this 2-bedroom layout. The first is the split: in Plan 52532WM the primary bedroom sits at the back beside the great room, Bed #2 sits by the porch at the front corner, and the guest bath, pantry and kitchen block fill the space between them, so neither bedroom shares a wall with the other. The second is the vault over the 15x21 great room. At an estimated $4,200–$5,800 per unit in extra framing and drywall, it earns its cost back through rent within 8-14 months on the figures above, and in a 946 sq ft unit that added height is the quality a visitor notices first.
Several features widen the tenant pool and lengthen tenancies. Each unit has an attached one-car garage, worth roughly $125-$185 per month over a no-garage equivalent in suburban Southeast markets, which opens the unit to couples and small families rather than single professionals only. The 6x3-8 walk-in pantry adds food storage beyond the kitchen cabinets, although it shares that space with the stacked washer-dryer. Dual vanities in the primary bath signal that the architect was designing for real occupants rather than to a rental-investor minimum, the kind of detail that keeps a tenant past the first renewal. The flex study is placed and sized correctly, visible from the entry, separated from the bedroom zone and next to the guest bath, and it is worth $80-$120 per month in rental premium for the 2026 work-from-home tenant.
Construction economics are favorable. Mirrored construction duplicates every plumbing stack, electrical run, framing detail and finish schedule across the party wall, and subcontractors price repeating details more sharply, typically a 6-9% gross savings over one-off construction. The single-gable roof has no dormers, no hips beyond what the main gable needs and no valleys at the porch returns, so the roof package runs $19,000-$26,000 per duplex in total, against the $32,000-$42,000 that more complex rooflines demand.
Points to Consider Before You Commit
Zoning is the biggest external risk. Most single-family parcels cannot take a duplex without a variance, which in Charleston typically means Board of Zoning Appeals approval, $2,400-$5,200 in application and professional fees. Duplex-permitted lots in Southeast urban cores are scarce and usually priced at a 25-45% premium over comparable single-family lots, so verify zoning before paying for plan documentation. Short-term rental rules have also tightened in most Southeast markets since 2023. Charleston city, Savannah and Asheville now require owner occupancy of one unit in many neighborhoods, and many investor-owned duplexes can no longer operate as pure STR portfolios, so confirm the local ordinance before underwriting income at Airbnb or VRBO rates.
The drawings leave two technical details to you. The plan does not call out the fire-rated party wall, yet IRC R302.3 requires 1-hour fire resistance between dwelling units; the standard detail is a double 2x4 stud wall with a 3.5-inch mineral wool batt in each cavity and 5/8-inch Type X drywall on each side, and it should be specified explicitly in the construction documents rather than left to field interpretation. HVAC sizing also matters more than the plan suggests. A conventional 2-ton heat pump is oversized for a 946 sq ft unit and will short-cycle, manage humidity poorly and generate complaints, so specify a 1.5-ton ducted heat pump sized by Manual J per unit, or a multi-zone Mitsubishi mini-split covering the great room and primary bedroom. Most contractors will quote one size up to be safe, and you should push back.
Acoustics need attention where the vault meets the bedroom. If the great room vaults to 14 feet at the ridge while the primary bedroom keeps a flat 9-foot ceiling, the shared wall runs from 9 feet up to the ridge, adding roughly 28-35 square feet of wall through which sound travels. Roxul Safe'n'Sound mineral wool in that cavity ($2.80/sq ft) and 5/8-inch Quiet Rock drywall ($48/sheet) on the bedroom side cost roughly $480 per unit and protect the primary suite from morning kitchen noise.
Some limits are about daily living. The bath serving the secondary bedroom is also the only guest powder room, so a daytime visitor uses the room a tenant's child or roommate showers in, and it cannot be left in a casual state; long-term tenants who entertain will feel this more than short-term or single-occupant renters. There is no defined dining area either, only a kitchen-island bar and a furniture-defined zone in the open volume, which older renters and multi-generational households tend to see as a limitation while younger and single tenants usually do not.
The garage holds one car, not two. At 11-4x21 it fits a single full-size sedan or compact SUV with limited working clearance, so couples with two vehicles will park one outside year-round, which speeds weathering in humid Southeast markets and is felt by tenants. If the lot permits, an attached carport for the second car ($8,000-$14,000 per stall when built with the original construction) is worth modeling for a target tenant with two vehicles.
Pro Tips for Building This Duplex
Settle zoning before buying anything. A $400 plan investment is a small loss, but a failed $4,200 zoning variance application is a much bigger one, so request a written zoning verification letter from the municipality before you commit. Then make the drawings explicit where contractors tend to improvise. Do not assume R302.3 compliance will be detailed in the field: show the double-stud assembly, mineral wool batt insulation and 5/8-inch Type X drywall on each side as a labeled wall section in the construction documents.
Mechanical and utility choices protect the long-term numbers. Size the HVAC for each unit with a real Manual J calculation instead of accepting a contractor's habit of using a 2-ton unit for this size; a properly sized 1.5-ton ducted heat pump or an 18-24K BTU multi-zone Mitsubishi MSZ mini-split will beat an oversized system on humidity control, energy efficiency and tenant satisfaction. Meter every utility separately as well, giving water, gas if applicable, and electric a dedicated meter base per unit. That costs $1,800-$2,800 per unit at construction, while doing it later costs four times as much and invites disputes about utility splits.
Finishes should favor rental-grade durability over residential luxury: Cambria quartz instead of marble, Daltile RevoTile porcelain instead of natural stone, Cardinal Cabinets Shaker white instead of custom painted cabinetry, and Mohawk RevWood Plus LVP instead of engineered hardwood. These outlast 10-year rental cycles and repair cheaply after tenant damage. One feature to defend under value engineering is the dual vanity in the primary bath. Removing the second vanity saves roughly $1,200 per unit, but it is one of the features long-term tenants notice most, so keep both.
A few upgrades pay for themselves in rent and retention. A carriage-style garage door such as the Clopay Coachman Series Design 13 or Wayne Dalton Model 9700 in Black runs $1,400-$1,800 more than a flat builder-grade panel, contributes 2-4% to resale value and looks far better in listing photos. Roxul Safe'n'Sound mineral wool in the great-room and bedroom wall and in the central party wall, at $2.80/sq ft, combined with QuietRock 530 drywall at $48/sheet on the bedroom side, raises sound performance to STC 52+ from the STC 36-38 of an uninsulated assembly, and tenant retention in adjacent units depends almost entirely on not hearing the neighbors. Finally, plan outdoor storage from day one: a 96 sq ft (8x12) Tuff Shed or Lifetime resin shed runs $4,200-$6,400 delivered and assembled, gives tenants a place for bicycles, beach equipment and lawn tools, and raises rent by approximately $90-$140 per month per unit.
Regional Build Cost in 7 Southeast Markets
The estimates below cover a complete duplex, both 946 sq ft units finished from foundation to final interior, at the durable investor finish level this review recommends: LVP throughout, Cambria quartz counters, Cardinal Shaker cabinets, a right-sized Mitsubishi mini-split or ducted heat pump in each unit, Marvin aluminum-clad or Andersen 100 Series windows and carriage-style garage doors. They leave out land, site work beyond the foundation, utility connection charges and impact fees. Ranges are scaled from RSMeans 2026 regional labor indices and should be read as planning estimates, not contractor quotes.
Charleston, SC serves as the baseline at a 1.00x multiplier: the full 1,892 sf duplex comes to an estimated $548,800, or $274,400 per unit, which works out to $290/sf. Savannah, GA lands a little lower at 0.94x, with the whole building near $515,900, each unit about $257,950 and a rate of $273/sf.
For Atlanta, GA, the cost multiplier is 0.95x, the total duplex build (1,892 sf) is $521,400, the per-unit cost is $260,700, and the build rate per square foot is $276/sf. In Nashville, TN, the cost multiplier is 0.91x, the total duplex build (1,892 sf) is $499,400, the per-unit cost is $249,700, and the build rate per square foot is $264/sf.
For Austin, TX, the cost multiplier is 1.06x, the total duplex build (1,892 sf) is $581,700, the per-unit cost is $290,850, and the build rate per square foot is $307/sf. In Greenville, SC, the cost multiplier is 0.89x, the total duplex build (1,892 sf) is $488,400, the per-unit cost is $244,200, and the build rate per square foot is $258/sf.
For Raleigh-Durham, NC, the cost multiplier is 0.92x, the total duplex build (1,892 sf) is $504,900, the per-unit cost is $252,450, and the build rate per square foot is $267/sf.
Per-square-foot cost runs 25-40% higher than comparable new single-family construction in the same markets. The premium reflects the higher fixture count packed into a duplex envelope (two kitchens, four bathrooms, two HVAC systems, two electrical panels, two water services), as well as the fire-rated party wall assembly. Note that this duplex's per-SF cost is meaningfully lower than the smaller cottage-duplex bracket reviewed most often on this site. At 1,892 sq ft total the fixed costs amortize across more square footage, which is one of the reasons this size class works better for owner-occupant + rental scenarios than the sub-900 sq ft alternatives.
Five Enhanced Facade Directions
Because Plan 52532WM serves two households behind one coordinated front, finish changes need to keep both sides visually equal. These editorial renderings preserve the roof, garage doors, entries and windows while exploring five balanced material schemes; they are not additional elevations offered with the purchased plan.
Refined White Ranch
Warm white unifies the two sides of the duplex, and matching oak garage doors prevent either unit from appearing secondary. Repeated shrubs maintain the same visual weight at both approaches.
Warm white, natural oak, charcoal and fresh green form the refined ranch palette.
Warm Greige and Limestone
Greige reduces glare across the broad one-story elevation, while a low limestone band gives the building a durable base. The material line continues evenly so the shared facade remains balanced.
Soft greige, pale limestone, dark bronze and warm wood support the transitional scheme.
Muted Sage and Cream
Sage gives the duplex a residential rather than commercial character, with cream trim clarifying the paired openings. Taupe garage doors sit quietly within the color field.
Muted sage, creamy white, warm taupe and medium gray create a calm neighborhood palette.
Charcoal and Cedar
Charcoal siding gives the roof and walls a single strong silhouette, while cedar-toned garage doors bring warmth to both halves. Entry lighting helps the recessed doors stay visible after sunset.
Graphite, cedar brown, black and deep green give this option its modern depth.
Pale Coastal Blue Gray
Pale blue-gray lightens the long frontage and keeps both homes visually connected. Light garage doors and white trim reduce contrast around the largest openings.
Blue-gray, warm white, weathered silver and grass green complete the coastal range.
Frequently Asked Questions
What rental rate does each 946 sq ft unit actually command?
Heavily market-dependent and finish-dependent. In 2025 Charleston, a well-executed 946 sq ft 2-bedroom unit of this plan with vaulted great room, attached garage, dual-vanity primary bath, and the finish package described above rents for $2,150-$2,600 per month unfurnished, $2,950-$3,650 furnished for 30-60 day corporate stays. Savannah runs 8-12% lower, Nashville 12-18% higher, Austin 22-32% higher. Gross annual rent per unit at the Charleston mid-range is roughly $28,500 unfurnished. Against a per-unit build cost of $274,400 that's about 10.4% gross yield, which is competitive with single-family rental yields in the same markets and meaningfully better than smaller cottage duplexes.
Is this a good plan for owner-occupant + rental income?
Yes. This is one of the stronger plans for that use case. At 946 sq ft per unit with a true 2-bedroom split layout, an attached garage, and a dual-vanity primary bath, each unit is genuinely livable as an owner's primary residence. The owner occupies one unit, rents the other to cover most of the mortgage payment, and qualifies for FHA financing at 3.5% down (on a 2-4 unit residential building with owner occupancy). This is a meaningfully different financial picture than a cottage duplex with 448 sq ft per unit, which most owners will not want to live in long-term.
Can this plan serve a multi-generational family?
Yes, and very well. The two mirrored units allow an aging parent or adult child to live independently with full kitchen, bathroom, and garage access while remaining adjacent for daily contact and care. Consider specifying an interior connecting door between the two units' utility rooms or hallways during plan customization (roughly $2,800 in plan modification fee plus $2,400 in framing and finish work). The door can stay locked for true independence but unlocks for emergencies and casual access.
What is the minimum lot size to build this duplex?
Plan on a lot of roughly 8,500-14,000 sq ft, the usual minimum range for a two-unit building in Southeast jurisdictions, compared with 5,000-7,500 sq ft for a single-family house. This duplex, garages included, covers about 2,400-2,600 sq ft of ground, and front, side and rear setbacks typically add another 30-50% to the area it effectively uses. Local codes differ: Charleston city's R-2 district asks for 10,000 sq ft and a 20-foot front setback, Greenville's R-M1 asks for 8,000 sq ft and a 25-foot front setback, and Mount Pleasant SC's R-2 typically requires 12,500 sq ft. Confirm the exact figures in the local zoning ordinance before buying the plan.
Will this duplex qualify for FHA or conventional financing?
Yes. FHA and Fannie Mae/Freddie Mac conventional both permit financing of 2-4 unit residential buildings. FHA requires 3.5% minimum down with owner occupancy of one unit; conventional requires 15-25% down for investor-occupied. Appraisal can be a constraint, since small-footprint duplexes sometimes lack sufficient comparable sales, so work with a lender experienced with small multi-family properties in your target market.
How does the per-unit garage affect the build cost and rental rate?
The attached one-car garage adds approximately $24,000-$32,000 per unit to construction cost (foundation, framing, garage door, opener, electrical) but recovers that incremental cost in roughly 14-18 months of premium rental rate. The garage premium is worth $125-$185 per month per unit in suburban Southeast markets versus a no-garage equivalent, which is the single biggest amenity differential between this plan and the smaller cottage-duplex options.
What is the typical construction timeline?
Permit-to-certificate-of-occupancy: 8-11 months in a smooth-permitting jurisdiction (Greenville SC, Raleigh-Durham, parts of Atlanta), 11-15 months in stricter jurisdictions (Charleston, Savannah, Austin). The duplex's compact footprint and mirrored construction compress the schedule meaningfully versus a 2,000+ sq ft single-family home but the dual-everything (two kitchens, four bathrooms, two HVAC systems) extends the rough-in and finish phases.
What should owners budget for annual maintenance and operating costs?
For a two-unit duplex at this size: $5,800-$8,200 annual maintenance reserve (roughly 1.1-1.5% of total build cost), separate tenant utility bills (each tenant pays their own), $1,800-$2,400 annual landlord insurance for the duplex structure, plus property tax (highly jurisdiction-dependent; Charleston runs roughly 0.55%, Austin runs roughly 1.85%). Budget 28-34% of gross rental income for expenses and reserves to arrive at realistic net operating income.
Sources & References
- International Residential Code (IRC) 2024, Section R302.3: fire-resistance-rated assembly requirements for two-family dwellings (duplex party walls).
- IRC 2024 Section R310: emergency escape and rescue opening requirements for sleeping rooms.
- IRC 2024 Section R303: light, ventilation, and heating requirements for habitable rooms.
- IECC 2024 Section R402: prescriptive envelope requirements for residential units by climate zone (Southeast typically zones 3-4).
- Architectural Designs Plan 52532WM: official plan drawings, specifications, square footage, and customization options.
- Charleston City Zoning Ordinance, Chapter 54 Article 2: R-1, R-2, and R-MX district regulations including duplex setbacks and minimum lot size.
- Greenville SC Unified Development Ordinance: R-M1 and R-M2 multi-family district regulations.
- Mount Pleasant SC Zoning Code, Article 5: duplex and two-family residential district standards.
- Savannah-Chatham County Zoning Ordinance: TR (two-family residential) district requirements.
- NKBA (National Kitchen and Bath Association) Planning Guidelines: work-triangle and clearance standards for residential kitchens.
- ASTM C919: standard practice for use of sealants in acoustical applications (party wall sound attenuation).
- FHA 4000.1 Single Family Housing Policy Handbook: two-to-four-unit property eligibility and owner-occupancy requirements.
- Fannie Mae Selling Guide B2-1.2-01: investor and owner-occupied multi-unit residential financing standards.
- Mitsubishi Electric Mr. Slim MSZ-FH Series Engineering Submittal: multi-zone mini-split heat pump specifications and SEER2 performance data.
- Roxul (Rockwool) Safe'n'Sound Technical Bulletin: acoustic attenuation performance data for mineral wool batts in party-wall applications.
- QuietRock 530 Technical Data Sheet: STC ratings for sound-damping drywall in multi-family construction.
- Clopay Coachman Series Design 13 Specification Sheet: carriage-style garage door performance and wind-load ratings.
- RSMeans 2026 Residential Cost Data: Southeast regional labor indices and material factors for small multi-family construction.
- NAHB Cost of Constructing a Home 2024: national framed-construction baselines adjusted for small-footprint multi-family.
- The Layered Homes Editorial Design Notes: review notes on Southeast duplex and ADU plans, with reference markets in Charleston, Savannah, and Greenville.
Who Plan 52532WM Suits Best
Plan 52532WM is the duplex to consider for investors who have looked at a smaller cottage duplex and run into its limitations. At 946 square feet per unit with a true 2-bedroom split-bedroom layout, an attached one-car garage, a vaulted great room, dual vanities in the primary bath, and a walk-in pantry that also holds the laundry, it earns its place across the broadest tenant pool of any duplex plan in this size bracket we have reviewed: single professionals, couples, small families, and multi-generational households all read it as livable. For an investor weighing it against a smaller cottage duplex, our recommendation is direct: yes, build this one, on a duplex-zoned suburban infill parcel, with the right-sized HVAC and the upgraded acoustic assembly between units. The plan does the architectural work correctly. The remaining homework is on you: zoning verification, lot acquisition, and the financial pro-forma that respects local STR regulations.
If you're cross-shopping Plan 52532WM against other duplex or small-footprint candidates, these companion reviews will help anchor your decision: The Efficient Cottage Duplex: A Professional Review of a Smart Compact Floor Plan for the smaller 896 sq ft duplex comparison, The Craftsman Cottage: A Functional 2-Bed Ranch Plan with a Home Office for a single-family equivalent at the same per-unit size, Blueprint Analysis: 2,085 Sq Ft Single-Story Modern Farmhouse with Split-Bedroom Layout for the larger split-bedroom single-family alternative, House Plan Review: 1,677 Sq Ft Modern Farmhouse with Vaulted Great Room for a vaulted-volume single-family comparison in a similar size bracket, and Modern French Country Ranch Plan with Flexible Bonus Space Over Garage for a single-family ranch alternative with comparable garage strategy.
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