You’ve been dreaming about adding a guest house to your property, and you’re about to discover some truly inspiring ideas.
Whether you’re looking to host visiting family, create a private retreat, or add rental income potential, these cottage designs offer something special.
From cozy pavilions to modern mini-resorts, let’s explore guest house styles that will transform your backyard into a welcoming haven your guests will never want to leave.
01. Charming Six-Sided Backyard Pavilion

Credit: GreenHeart LLC
You’ll love how this mahogany pavilion creates the perfect escape right in your own backyard.
The six-sided design features beautiful ipe flooring and skylights that flood the space with natural light. A convertible futon lets you transform this reading nook into cozy overnight accommodations whenever friends or family visit.
The flagstone patio pathway adds rustic charm while keeping your feet dry.
02. Transformed Garage Retreat in Hawaii

Credit: Barker Kapelle
Your cluttered garage could become an incredible guest cottage just like this Hawaiian transformation.
This converted space now features a full kitchenette, bathroom, and outdoor shower that makes it feel like a private resort. The spacious patio lets your guests soak up those tropical breezes while enjoying complete privacy.
It’s proof that unused garages hold amazing potential.
03. Modern Pool House with Universal Design

Credit: Photo by Whit Preston
You can create a flexible space that serves multiple purposes throughout the year.
This Austin guest flat doubles as an office, retreat, or pool cabana with thoughtful universal design features. Wide doorways and a roll-in shower ensure accessibility for all guests, while the proximity to the pool makes summer entertaining absolutely effortless.
It’s smart planning that thinks ahead to future needs.
04. English Garden Art Studio Cottage

Credit: Shawn Maestretti
You can honor memories while creating something beautiful for the future in your backyard.
This charming cottage sits surrounded by drought-tolerant lavenders, salvias, and colorful African daisies that thrive in dry climates. The decomposed granite pathways and central water feature add soothing sounds and visual interest.
It proves you don’t need water-hungry plants to create a lush, inviting garden atmosphere.
05. Connected Music Studio and Guest Space

Credit: Photo by Matthew Mallett
You’ll appreciate how vine-covered pergolas can tie separate structures together beautifully.
This design connects a music studio and guest house with wooden decking that creates a cohesive outdoor living area. The pergolas provide shade while adding vertical interest and romantic charm to your backyard.
It’s an elegant solution for creating multiple functional spaces that feel unified and intentional.
06. Petite Mid-Century Modern Escape

Credit: G Family Inc.
You can capture that iconic mid-century style even in the smallest guest house design.
The pitched roof with dramatic overhang and oversized windows create clean lines that feel both retro and contemporary. Despite its compact footprint, this California cottage feels spacious and bright thanks to smart architectural choices.
Simple design elements make a powerful statement without overwhelming your backyard.
07. Sustainable Rustic Hawk House

Credit: Alex Wyndham
You’ll love how this sustainable tiny house design lets you connect with nature while maintaining comfort.
The rustic aesthetic combines beautifully with that exuberant pitched roof inspired by mid-century architecture. Best of all, you can purchase downloadable plans to recreate this charming design on your own property.
It’s an affordable way to add character and functionality to your backyard space.
08. Multigenerational Modern Compound

Credit: Darren Kerr Photography
You can create a stylish solution for multigenerational living that everyone will love.
This Australian design uses hardwood outriggers and vertical timber to blend seamlessly with the landscape. Sliding glass doors and connecting decks maximize those subtropical breezes while maintaining privacy.
The steep site becomes an advantage rather than a challenge with thoughtful architectural planning and creative design solutions.
09. Elegant Pool House with Columned Pergolas

Credit: Dan Gordon
You’ll create the ultimate entertaining space with pergolas flanking both sides of your pool house.
The fully equipped kitchen opens directly to the pool area for seamless indoor-outdoor flow. Subtle lighting design transforms this space into an enchanting focal point after sunset.
Your guests will feel like they’re staying at a luxury resort right in your Massachusetts backyard.
10. Compact Cottage Behind a Cottage

Credit: Goff Architecture
You don’t need massive square footage to create a comfortable guest retreat for visiting loved ones.
This Rhode Island cottage packs a bedroom, full bathroom, and built-in wardrobe into just 200 square feet. The screened porch at the back extends living space while keeping bugs at bay.
Eastern white cedar shingles give it that classic New England charm that never goes out of style.
11. Classic City Cottage with Vintage Details

Credit: Andre Rothblatt
You can bring farmhouse charm to urban settings with the right architectural details and finishing touches.
This San Francisco guest cottage features a traditional gable roof and classic shingle siding that feels timeless. The glass door and window flood the interior with natural light, while that adorable weather vane adds personality.
It’s proof that small city lots can accommodate charming guest spaces too.
12. Romantic Farmhouse-Style Guest Cottage

Credit: Schappacher White
You’ll create an incredibly romantic getaway with French doors, flowing curtains, and mosquito netting.
This Shelter Island cottage includes practical amenities like a wet bar and full bathroom alongside its charming aesthetic. The farmhouse style feels both elegant and welcoming, making guests feel pampered.
It’s the perfect blend of form and function that turns a simple guest house into something special.
13. Restored Pennsylvania Farm Estate Cottage

Credit: Dear Garden
You can transform sloped terrain into beautiful terraced gardens that connect to your guest cottage.
This European-style property features a charming guest house with an intimate cigar patio for relaxation. The carefully chosen plants like viburnum, smokebush, spiraea, and hostas create texture and color throughout the seasons.
Retrofitted farm buildings gain new life while maintaining their authentic character and rustic appeal.
14. Barn-Style Winery Guest House

Credit: Rob Karosis Photography
You can create a stunning structure that’s both functional and beautiful for your property.
This upstate New York winery doubles as guest accommodations for up to six people with board-and-batten siding. Handmade copper light fixtures by local artisans add custom touches that make this barn-style building truly special.
It proves that utilitarian buildings don’t have to sacrifice style or comfort for functionality.
15. Sustainable Chalet-Style Granny Flat

Credit: Fraemohs Houses
You’ll be amazed at how much living space fits into this 700-square-foot solid wood chalet design.
This New Zealand granny flat includes two bedrooms, a full bathroom, and kitchen in a sustainable package. You can choose between pre-built delivery or DIY assembly depending on your budget and skills.
It’s an eco-friendly solution that doesn’t compromise on comfort or style for your guests.
16. Converted Garage with French Door Access

Credit: The Home Consultant
You can maximize your property’s potential by transforming that unused garage into beautiful guest accommodations.
Adding French doors creates instant connection to your backyard while flooding the interior with natural light. This Southern California conversion gives visiting friends and family their own private space to relax.
It’s a smart renovation that adds value and functionality without expanding your home’s footprint.
17. Adventurous Treehouse Guest Retreat

Credit: Brent Moss Photography
You’ll create unforgettable memories for your guests with this incredible treehouse guest accommodation.
Built on sturdy log columns rather than relying solely on trees, this Colorado structure is both safe and spectacular. Your adventurous friends and family will love the unique experience of staying among the branches.
It’s the ultimate conversation piece that transforms ordinary visits into extraordinary adventures your guests will talk about forever.
18. Welcoming Landscaping for Guest Cottages

Credit: Design byCalimia Home/ Photo by Karla Garcia
You can make your guest house feel incredibly inviting with thoughtful landscaping and colorful plantings.
Mix different heights of greenery with vibrant flowers to create visual interest and depth around your cottage. This Florida approach uses layered plantings that guide guests along the pathway.
The right landscaping makes your guest house feel like a destination rather than just an outbuilding.
19. Big Personality in Minimal Square Footage

Credit: Judy Herbert Ainger
You don’t need a huge budget or massive space to create a guest house with tons of character.
This Texas DIY project proves that creativity and personal style matter more than square footage. The bold design choices and attention to detail make this tiny guest house feel special and welcoming.
It’s inspiring proof that you can tackle guest house projects yourself with the right planning and determination.
20. Bright Coastal Granny Flat Design

Credit: Wishbone Construction
You can plan for the future while meeting today’s needs with a well-designed guest cottage.
This Australian beach flat features high ceilings and abundant light that create an airy coastal vibe. The compact design includes living space, bathroom, and kitchenette plus a spotted-gum deck for outdoor enjoyment.
When your kids eventually move out, it transforms into potential rental income that adds long-term value.
21. Traditional Batten-and-Board Garden Cottage

Credit: WLC Remodeling
You’ll love how classic batten-and-board siding painted crisp white creates timeless cottage appeal.
Surrounded by lush perennial gardens, this Baltimore guest house blends beautifully with its natural surroundings. The traditional design feels fresh and inviting rather than dated.
It’s a reminder that sometimes the most classic architectural choices create the most enduring and charming results for your property.
Final Thoughts
You’ve just explored 21 incredible guest house designs that prove there’s a perfect solution for every property and budget.
Whether you’re converting an existing garage, building from scratch, or even creating a treehouse retreat, the possibilities are truly endless. The key is choosing a design that complements your main house while meeting your specific needs.
Start planning your guest cottage today, and you’ll create a welcoming space that adds value, functionality, and charm to your property for years to come.
