Ireland's Premier Stockists of High-Quality Doors
With over 50 years of expertise, we manage everything from manufacturing and supply to expert installation. Pre-finished doors, no painting needed — across Dublin & all Ireland.
Why Choose Costello Doors?
We pride ourselves on being the premier stockists of high-quality internal and external doors in Ireland. Over five decades of expertise, from manufacturing to professional installation.
Manufacturing, Supply & Expert Installation
With more than five decades of industry expertise, we manage everything from manufacturing and supply to expert installation. Take advantage of our complete fitting service across Dublin & all Ireland.
Pre-Finished — No Painting Needed
Most of our doors are pre-finished, saving you time, mess, and money. They arrive ready to install with a flawless factory finish that outlasts any hand-painted result.
Unique Sub-Frame System
Introduced by Ronnie Costello in 2007, our unique system to fix sub-frames covers old frames or makes installing in new buildings a much simpler and cost-effective experience.
Engineered for Irish Homes
Everything You Need, Under One Roof
Beyond our premium doors, we carry the largest selection of complementary products in Ireland — from glass panels and architraves to sliding systems and designer handles.
Glass Panels
The largest selection of ex-stock glass panels in Ireland — toughened, laminated, or bevelled glass in triple glass form for easy maintenance.
Architraves, Skirting & Wall Panelling
Matching architraves, skirting boards, and wall panelling to complement your doors and create a seamless, unified interior.
Door Handles & Hardware
An extensive range of designer door handles and ironmongery to complement our huge selection of internal doors.
Sliding & Pocket-Door Systems
Sliding door tracks and pocket-door systems for modern, space-saving solutions that maximise your living area.
Visit Our Dublin Showroom
Feel the structural heavy core weights, compare the wood grain colors, and select matching designer handles in person. We are located right in the heart of Dublin 10's fitting district.
Physical Address
Kylemore Road, Dublin, Ireland, D10KH50
Call Our Showroom Directly
016269895Opening Hours
Mon - Fri: 9:00 AM - 5:00 PM
Sat: 10:00 AM - 2:00 PM