Award-Winning House Extensions in Dublin
Kitchen extensions, attic conversions and full home renovations across Dublin and Ireland. Free quotes. Fixed prices. Fully insured.
Our House Extension Services in Dublin
Kitchen Extensions
Expand your living space with bespoke kitchen extensions designed for modern family life and seamless indoor-outdoor living.
Learn more arrow_forwardAttic Conversions
Unlock the hidden potential in your roof space. From master suites to home offices, we maximize every inch of your home.
Learn more arrow_forwardHome Renovations
Complete structural overhauls and internal reconfigurations. We handle complex projects from foundation to finishing touches.
Learn more arrow_forwardTrusted house extension Dublin builders since 2010
House Extension Dublin has been delivering kitchen, attic and full home extensions across Dublin and Ireland for over fifteen years. From our Dublin 2 head office in Grand Canal Dock we design, project-manage and build every house extension with our own directly-employed team — no subcontracted hand-offs and no second-mobilisation surprises mid-project.
Whether you're researching home extensions Dublin pricing, looking for experienced extension builders Dublin homeowners trust, or comparing extension cost Dublin quotes against the market, we make the process easy: a free site survey, an architect-stamped design, and a single fixed-price contract that covers groundworks, structure, finishes and a 12-month workmanship guarantee.
Most house extensions Dublin homes need fall into one of three categories — a kitchen extension, an attic conversion or a whole-house renovation paired with an extension. Every variant we build is mapped into the closest of those three so you get the specialist Dublin team for the work, not a generalist crew. Read more on our services hub or check coverage for areas we serve.
Why Trust Us With Your Home?
Building excellence into every structural beam and finishing detail.
Modern Design Expertise
We specialize in contemporary architectural aesthetics that complement traditional Irish homes.
Fixed-Price Quotes
No hidden costs. Detailed, transparent pricing before any tools are lifted.
Fully Insured & Certified
Comprehensive coverage and compliance with all Irish building regulations.
15+ Years Across Dublin
Deep local knowledge of Dublin planning permissions and specific neighborhood requirements.
Recent Dublin Projects
Modern house extensions and contemporary house extensions across Dublin 2, Dublin 4, Dublin 6, Tallaght, Swords, Malahide and Blackrock. Every project is designed and managed in-house.
Our Process
Free Site Survey
We visit your Dublin home, take detailed measurements and discuss your vision.
Design & Quote
Architectural drawings, fixed-price quote and a clear timeline before any tools are lifted.
Build
Our in-house team builds with weekly progress updates and zero subcontracted surprises.
Handover
Final walk-through, snag list, certificates and a 12-month workmanship guarantee.
Frequently Asked Questions
Quick answers to the cost questions Dublin homeowners ask us most.
See all 25 FAQsarrow_forwardHow much do extensions cost in Dublin?expand_more
How much does a small extension cost in Ireland?expand_more
How much for a kitchen extension in Ireland?expand_more
How much can I extend my house without planning permission in Ireland?expand_more
How much rear extension is allowed?expand_more
Visit Our Dublin 2 Office
- location_onHouse Extension Dublin77 Sir John Rogerson's Quay,
Grand Canal Dock, Dublin 2, D02 VK60 - call
- scheduleOpening HoursMon – Sunday 8AM – 6PM
Ready to Plan Your Dublin House Extension?
Book your free site survey today. We'll discuss your vision, assess feasibility, and provide a detailed timeline.