
MetroWest & Worcester County, MA
Home Additions
Expand your home with an addition designed to integrate smoothly with the existing structure and architecture.
Five-Year Labor WarrantyFully Licensed & InsuredFree Estimates
Request an Appointment
Tell us about your project and our team will follow up.Professional service
Enhance Your Living Space with a Home Addition
We plan and build additions that create valuable space while preserving the character, flow and functionality of the home.✓
Second-Story Additions
Planned and completed with careful preparation, quality materials and clear communication.✓
Room Expansions
Planned and completed with careful preparation, quality materials and clear communication.✓
Sunrooms & Conservatories
Planned and completed with careful preparation, quality materials and clear communication.✓
In-Law Suites
Planned and completed with careful preparation, quality materials and clear communication.✓
Home Offices
Planned and completed with careful preparation, quality materials and clear communication.✓
Primary Bedroom Suites
Planned and completed with careful preparation, quality materials and clear communication.✓
Kitchen Extensions
Planned and completed with careful preparation, quality materials and clear communication.✓
Mudrooms & Entryways
Planned and completed with careful preparation, quality materials and clear communication.Why it matters
Why consider a home addition
An addition can adapt an existing property to changing family and lifestyle needs.- Space for a growing family
- Increased property value
- Dedicated work space
- Guest or in-law accommodation
- Larger living and kitchen areas
- Customized layout for your lifestyle
Why choose Gamache
Dependable workmanship from a local family-owned team
- Over 25 years of experience
- Fully licensed and insured
- Clear estimates and communication
- Five-year labor warranty
- Manufacturer warranties
- Required permits handled
- Design guidance available
- Insurance-claim assistance
Our process
A clear path from idea to completion
Consult
We discuss your goals, property and priorities.Estimate
You receive a detailed scope, options and pricing.Build
Our team coordinates materials, permits and construction.Review
We complete a final walkthrough and stand behind the work.FAQs
Questions about Home Additions
How do you make an addition match the existing home?
We consider rooflines, siding, windows, trim, interior transitions and material choices during design.Do additions require permits?
Yes. We coordinate the required local permits and inspections.Can you build an in-law suite?
Yes, subject to property conditions and local zoning requirements.How long does a home addition take?
Timing varies by size, design, approvals and utilities; a detailed schedule is prepared before construction.Trusted materials
Brands and suppliers we work with







Free estimates
