Trusted roofing for Dún Laoghaire homes
From the harbour piers to the town centre, we keep Dún Laoghaire roofs watertight — no call-out fees, ever.
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Roofing you can rely on, close to home
Dún Laoghaire's Victorian harbour-front terraces face constant salt-air exposure. Our team handles storm damage, flashing repairs and full inspections, with no call-out fees.
Repairs, new roofs and guttering across Dún Laoghaire
From the terraces along the seafront to the family homes further inland, Dún Laoghaire roofs deal with salt spray and strong easterly winds. We replace and re-fix slates, renew lead flashing around chimneys and dormers, repair storm damage quickly, and fit gutters that can cope with heavy coastal downpours.
Our roofing process in Dún Laoghaire
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.
Why Dún Laoghaire chooses us
A family name, 25+ years on Dublin roofs, and work we guarantee.
Family-run & trusted
A family name on the job and 25+ years behind it.
Licensed & insured
Fully licensed and covered, with National Guild membership.
Free quotes
Clear, no-obligation quotes before any work starts.
24/7 emergency call-outs
Urgent leaks answered around the clock.
20-year guarantee
New roofs backed by a 20-year workmanship guarantee.
Local South Dublin crews
Fast to site across Dún Laoghaire, Monkstown, Glenageary and Sallynoggin.
Meet the team working in Dún Laoghaire
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.
Other Areas We Cover Around 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.
Frequently asked questions
Common questions from Dún Laoghaire homeowners and landlords.
Yes. Dún Laoghaire is part of our regular South Dublin area, along with Monkstown, Glenageary and Sallynoggin, for both booked work and emergency call-outs. Give us a call and we'll tell you how quickly we can get to you.
Yes. We're experienced with Victorian and Georgian roofs and source matching slates and materials, so the repair blends in with the original roof.
For urgent leaks we're usually with you the same day or within 24 hours, and our emergency line is answered 24/7 with free call-outs available.
Yes. We're fully licensed and insured. New roofs carry a 20-year workmanship guarantee, and repairs a 10-year guarantee.
Still have a question?
Ask us anything — we're happy to help.
Ready to sort your Dún Laoghaire roof?
Send a few details and we'll come back with a free, no-obligation quote — usually within one working day.