Roof Repairs & New Roofs Across Dublin, Done Right
From urgent leak repairs to complete roof installations, D. Hennessy Roofing brings over 25 years of family-run experience to every job. Fully insured, Guild-registered, and trusted by homeowners and landlords across Dublin.
Google Reviews
4.9
243 reviews
Complete Roofing Services for Every Dublin Home
Whatever your roof needs, we handle it end to end — repairs, full replacements, flat roofs, guttering and everything in between.
Specialist roofing for homes across South Dublin, from Rathfarnham to Dún Laoghaire.
Complete new roofs and re-roofs, backed by a 20-year guarantee on workmanship.
Gutter clearing, repairs and replacement to keep water flowing away from your home.
Flat and low-pitch roof installations, resealing and repairs that stop leaks for good.
Lead and mortar flashing, chimney repairs and repointing that keep water out where it matters.
New rooflights and skylights, plus repairs, flashed and weatherproofed to match your roof.
24/7 call-outs for urgent leaks and storm damage across Dublin before it gets worse.
Safe, licensed removal and disposal of asbestos cement sheets, with full protective measures.
Seamless fibreglass roof systems for extensions and outbuildings, installed to last.
Detailed drone roof surveys that spot damage without ladders — free with every quote.
Supply and fitting of UPVC soffits, fascias and guttering for a clean, watertight roofline.
Routine maintenance and small repairs that head off costly damage before it starts.
Liquid-applied waterproof coatings for flat roofs, terraces and balconies — one seamless layer.
Roofing and waterproofing for commercial and industrial buildings, planned around your business.
Clear, honest pricing for new roofs — see indicative costs before you commit.
A Roofing Team Dublin Can Rely On
We’re not the biggest roofer in Dublin — and that’s the point. Family-run, meticulous, and here for the long haul.
Family-Run Since the 1990s
A true family business that treats every roof like it’s protecting their own home.
25+ Years Experience
Decades of working on Dublin’s roofs — slates, tiles, flat roofs and everything in between.
Licensed & Fully Insured
Registered with the National Guild of Master Craftsmen and fully insured on every job.
20-Year Guarantee
New roofs and installations backed by one of the strongest guarantees in the trade.
Free, No-Obligation Quotes
Clear, honest pricing up front — a free quote with no pressure and no hidden extras.
Trusted by Homeowners & Landlords
Rated 5.0 and recommended again and again across the city.
A Simple, Stress-Free Process
From your first call to the final clean-up, here’s exactly what to expect when you work with D. Hennessy Roofing.
01
Tell Us About Your Roof
Call or send us a few details about the issue — a photo helps us understand it before we arrive.
02
Free Inspection & Quote
We inspect the roof properly and give you a clear, fixed quote — no pressure, no surprises.
03
We Get to Work
Agree a schedule that suits you, then our team carries out the work to the highest standard.
04
Clean-Up & Handover
We leave your site tidy, walk you through the finished work, and hand over any paperwork.
05
Enjoy Peace of Mind
With a 20-year guarantee on new roofs, you can relax knowing the job is done right.
06
We Stay in Touch
Most of our work comes from referrals — we aim to earn yours too.
What Our Customers Say
Many happy clients across Dublin — check out our customer recommendations.
Meet the team
A small, proud family crew. We take on a limited number of jobs at a time so every roof gets the attention it deserves.
Darren Hennessy
Liam’s son, Darren now owns and runs the family business, bringing over 25 years of roofing experience to homes across Dublin.
Liam Hennessy
Liam originally founded the business, laying the foundations for the family-run roofing company that Darren owns and operates today.
Ready to talk to your roofers?
Free quotes, straight answers, and a family name you can trust.
We Cover All of Dublin
From the Southside to the Northside, we cover the whole county of Dublin — homes, landlords and commercial properties.
South Dublin
Ballsbridge, Blackrock, Stillorgan, Rathfarnham, Tallaght, Dundrum & more
North Dublin
Swords, Clontarf, Raheny, Finglas, Coolock, Santry & more
City Centre & West
Lucan, Blanchardstown, Drumcondra, Dublin 1–8 and surrounding areas
Coastal & East
Dún Laoghaire, Dalkey, Killiney, Sandymount and the coastal villages
Free 24/7 Emergency Call-Outs
Wherever you are in Dublin, we respond fast when it matters most.
Check Your Area
See the full list of neighbourhoods we serve across the county.
Roofing Questions, Answered
Can't find your answer here? Just give us a call — we're happy to help.
Every roof is different, which is why we always provide a free, fixed quote after inspecting the work. Small repairs cost far less than you might think, and catching them early saves money long term.
Yes. We offer 24/7 call-outs for urgent leaks, storm damage and exposed roofs across Dublin, and we'll make your home safe as quickly as possible.
Absolutely. We're fully insured and a member of the National Guild of Master Craftsmen, so you can have total confidence in our workmanship.
Yes — new roof installations come with a 20-year guarantee, giving you lasting peace of mind.
Still Have Questions?
Get in touch and we’ll talk you through it — no obligation.
Ready to Work With a Roofer You Can Trust?
Tell us a little about your roof and we'll be in touch with a free, no-obligation quote.