House Extension in Cork

#1 Cork's Trusted House Extension Experts!

Protect your roof's quality without breaking the bank.

We provide expert home extension services throughout Cork with over 20 years of experience transforming local properties. Our proven expertise delivers exceptional results on time and budget, whereas our commitment to safety guarantees tranquility during construction.

I contacted Keystone Roofing and Michael called promptly examined my roof and issued a quote. My roof was repaired within a week. I was very relieved to have the repairs carried out so quickly. Michael was a pleasure to deal with and his team were very tidy and left my patio and drive in good order after they completed the work.

Get Your FREE Roofing Quotation

Tell us what you need and we’ll send you a custom quotation!

Fully Registered & Accredited:

Our Home Extension Projects

20+

Years of Experience

Take your Roof to the Next Step

Why Choose Keystone Roofing and Construction for Home Extension

A well-planned extension in Cork offers more than just additional space—it can transform your home, improve your quality of life, and significantly increase your property value.

Create a spacious, open-plan living space
Add a new bathroom, conservatory, or even a new build element
Improve energy efficiency and access energy grants
Stay in your community while upgrading your home

At Keystone Roofing and Construction, we understand that extensions come in various shapes and sizes. Our team will help you design a home extension that meets your style, budget, and functional goals.

Experienced Builders in Cork with a Reputation for Excellence

With decades of experience, Keystone Roofing and Construction has become one of the most trusted names in house extensions for Cork residents to rely on. As small builders in Cork, we take a personal approach, offering a seamless construction experience and exceptional results every time.

Our services include:

Rear, side, and wrap-around house extensions in Cork
Full garage conversions
Custom conservatories and new builds
Complete renovation and construction services
Professional carpentry, plumbing, tiling, and flooring

We work to the highest standards of craftsmanship, ensuring a finished product that not only looks beautiful but lasts for years to come.

The Keystone Construction Process

We believe every successful construction project begins with clear communication and expert planning. That’s why our team manages the whole process, from the initial consultation through to the final walk-through.

Our Process Includes:

Consultation – We assess your space, goals, and budget.
Design – Our expert builders develop a plan tailored to your different needs.
Planning Permission – We handle any permissions required in Ireland.
Build – Your extension is built on time, within budget, and to the highest standards.
Final Touches – Quality checked and ready for your family to enjoy.

With every project, our dedicated project manager provides updates and oversight, giving you complete peace of mind throughout your building project.

Custom House Extensions Cork Homeowners Trust

We know every homeowner’s dream is different. Whether you’re upgrading your living area, expanding a growing family’s space, or improving your home’s value, we’ll craft a solution that works for you.

Tailored plans to suit your home
Reliable construction company and building contractors
Skilled tradespeople and craftsmen
Commitment to delivering value for money
Transparent pricing and detailed estimates (cost per square metre)

Let’s Add Value to Your Home

At Keystone Roofing and Construction, we believe in delivering not just a structure, but a space you’ll love for years. With our unmatched local experience in house extensions Cork, we’ve helped countless clients transform their homes and boost their overall value.

Our reputation for delivering high-quality home improvements is built on transparency, craftsmanship, and customer satisfaction. Whether you need a home extension, renovation, or a new construction project, we’re ready to help.

Contact Us Today

Ready to build your dream house or expand your existing home? Contact us today to schedule a consultation and discover how Keystone Roofing and Construction can bring your extension project to life.

We’re proud to be one of the top-rated builders in Cork, trusted for our integrity, creativity, and commitment to excellence in every project we take on.

keywstone roofing cork

FAQ