A separate space, connected by design

Casita & Guest House Additions

A detached guest space can create privacy that an attached addition cannot. Its success depends on more than a beautiful floor plan: placement, utilities, access, drainage, trees, and local rules all shape what may be possible.

Discuss your project
Conceptual detached limestone guest casita in a mature Lakeway courtyard

Conceptual design

The homeowner need

Start with what is missing.

You want a separate guest retreat, quiet work space, or flexible family accommodation elsewhere on the property.

A detached guest space can create privacy that an attached addition cannot. Its success depends on more than a beautiful floor plan: placement, utilities, access, drainage, trees, and local rules all shape what may be possible.

Design priorities

Make the new space feel inevitable.

01

Start with the site

Study setbacks, easements, access, trees, grade, drainage, and utilities before settling on a building footprint.

02

Relate, do not copy

Use proportions and materials that connect the casita to the main home while allowing it to feel like its own place.

03

Define how it will be used

Sleeping, cooking, working, and independent living can lead to different design and approval questions.

Feasibility lens

Questions to resolve early

  • Lot and zoning feasibility
  • Utility connections
  • Parking and path of travel
  • Tree and drainage impacts
  • Relationship to the main home

Possible program

What the addition could hold

  • Detached guest bedroom and bath
  • Courtyard casita
  • Work studio with overnight flexibility
  • Family retreat with a private porch

From idea to build

A beautiful concept still needs a workable path.

Site evaluation, architecture, engineering, permitting, pricing, and construction planning turn an idea into an addition that can actually be built.

Explore the process

Practical guidance

Questions worth asking early

Can every Lakeway lot have a casita?

No. Feasibility depends on the property's jurisdiction, zoning, recorded restrictions, site constraints, utilities, and the proposed use. The lot must be evaluated before a design is promised.

Can a casita include a kitchen?

That choice may change how the space is classified and reviewed. Confirm the intended use and current requirements with the relevant authority before design proceeds.

How should a casita connect to the main home?

Courtyards, covered paths, planting, and consistent materials can create a strong relationship while preserving privacy.

A considered first step

Every addition begins with a reason.

More room for family. A quieter primary suite. Space to gather. A way to remain in the neighborhood you love.

01

Share the home, the need, and your early budget.

02

We review project fit and local availability.

03

Promising projects move into a focused consultation.

Project consultation

Tell us what your home needs next.

Share the basics. We’ll review the project and follow up about fit, next steps, and local availability.

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