House Extensions
First Class BuildingWe Build Fine Quality House Extensions In Dublin
House Extensions
We Build The Finest Quality Extensions To Homes And Businesses In Dublin
Finest Home Extensions
Welcome To First Class Building
At First Class Building we specialise in all types of House Extensions. If you are looking to add some real additional value to your property while increasing space and creating a better living environment then one of our house extensions is the ideal solution.
We can provide: Rear extensions, front extensions, sunroom extensions, double height extensions, wrap around extensions or upstairs extensions.
We can work closely with your Architect and project team to ensure your extension is finished to the highest quality.
Call us for a no obligation quote or to find out more on 086 105 1244

House Renovation Terenure
Full House Renovation in Terenure, Dublin 6

Full House Renovation Clontarf
Full House Renovation with rear and side extensions

Home Extension Dublin
Kitchen Extension Added To Home
House Extension Builders
First Class Building are fully qualified home renovation experts with high quality attention to detail and cost effective work. If you’re looking for experienced, sought after extension builders then we’d be happy to hear from you.
Whether your home is detached, semi detached or open plan, we can make it exactly as you’d like. We ensure your home is energy efficient and the extension cost is kept to a minimum without compromising quality.
We’ll discuss your extension ideas and together plan the type of living space you want


Easy House Extensions
We can fully manage your project to your specifications.We are the complete building solution. Among other things we:
- Supply all materials.
- Provide advice and support on extension design, planning, permissions and regulations.
- Install heating and plumbing.
- Prepare all foundations, surfaces and supports.
- Are experts in roofing, carpentry, flooring, doors and windows.
Why Choose First Class Building?
Get A Professional Inspection & Free Quote
We provide a complimentary professional consultation & quotation. If you are looking to convert your attic, add an extension or refurbish your home then call us on 086 105 1244.
We Can Arrange For You To See Some Of Our Completed Work
For those who would like to see first hand what we have done for other homeowners we can arrange a visit to a past project.
Architects Certificate of Compliance
First Class Building work to the highest standards and is a registered building contractor that complies with Irish building regulations and has employee and public liability insurance.
A Certificate of Compliance is Issued by a qualified architect when structural alterations have been made to comply with Irish building regulations.
Over 15 Years Experience
Fully Insured
References Available
Project Management Included
Request A Free, No Obligation Consultation
Call Us Today On 0861051244 To Find Out More