Roof Replacement
Belfast
Complete Roof Replacement Services Across Belfast & Northern Ireland
Roof Replacement by DPMNI
Is your roof beyond repair? At Diamond Property Maintenance (DPMNI), we specialise in professional roof replacements in Belfast and across Northern Ireland — delivering durable, weatherproof, and energy-efficient roofing solutions that protect your property for decades to come.
Whether you’re replacing a worn-out roof, upgrading for better insulation, or dealing with storm damage, our experienced roofing team ensures a smooth, safe, and high-quality installation from start to finish.
Trusted by Homeowners, Landlords & Businesses
Why Replace Your Roof?
A full roof replacement is a long-term investment in the safety, comfort, and value of your home or commercial building. It may be the best solution if your roof has:
Ongoing leaks or water ingress
Frequent tile or slate failures
Visible sagging or structural issues
Rotten timbers or underlay
Extensive storm or age-related damage
Poor insulation or high energy bills
Replacing your roof also improves kerb appeal and compliance with modern building standards.
Materials We Work With
Our Roof Replacement Services Include:
Full Roof Strip & Rebuild
We remove all existing roofing materials, check and repair the structure, and rebuild with your chosen materials.
Tiled & Slate Roof Replacement
New pitched roof installations using high-quality clay tiles, concrete tiles, or natural/slate roofing.
Flat Roof Replacement
We install new felt, GRP fibreglass, EPDM rubber, or warm deck flat roof systems.
Leadwork, Flashings & Chimney Upgrades
All lead flashings, valleys, chimneys, and parapets are refitted to ensure proper sealing and ventilation.
Fascias, Soffits & Guttering
New PVC or timber fascias and soffits installed, with seamless or standard guttering.
Roof Insulation Upgrades
Insulation installed to meet current Building Regulations — improving energy efficiency and comfort.
Frequently Asked Questions
Costs depend on the size, pitch, and materials used. As a guide:
Small pitched roof (e.g. terrace): from £4,500+
Medium-sized home: from £7,000–£12,000+
Flat roof replacement: from £1,500+
We provide free quotes after a site visit.
Typical pitched roof replacements take 3–7 days depending on size and weather. Flat roofs may take 1–3 days.
Yes — we offer partial replacements when only one elevation or section is damaged, though we’ll advise on when a full replacement is the smarter long-term option.
Generally no — unless you’re changing the roofline or material significantly. We ensure compliance with Building Regulations.
Yes — we can install or upgrade loft and roof insulation to meet modern energy standards.
Six Reasons For People Choosing Us
Experienced Team
Our time-served tradesmen are PASMA and IPAF-trained professionals, ensuring safe and efficient service.
Comprehensive Insurance
We carry £10 million public liability insurance and specialized SSR insurance for your peace of mind.
Eco-Friendly Cleaning
We use child-safe, animal-safe, and plant-safe cleaning solutions to protect your environment.
Proven Track Record
With over 1,400 satisfied customers, we’re trusted by homeowners and businesses alike.
Tailored Solutions
Every job is unique, which is why we provide a free consultation and custom plans based on your needs.
Local Expertise
We understand the unique challenges in North Down and Antrim, tailoring our services to meet the specific needs of your area.
Ready to upgrade, expand, or transform your property?
Book a Free Roof Replacement Survey
Whether your roof is leaking, outdated, or simply past its prime, DPMNI’s expert roofing team will replace it with a strong, weatherproof, and energy-efficient solution — built to last.
Other Exterior Cleaning Services We Offer
We provide reliable, efficient, and environmentally conscious cleaning for residential, commercial, and agricultural clients.
HouseExtensions
Add extra space, value, and function to your home with a professionally built extension. Ideal for growing families or creating open-plan layouts.
LoftConversions
Transform your unused attic into a functional, stylish living area — whether it’s a new bedroom, office, or playroom.
HouseRenovations
From reconfigurations to full refurbishments, we modernise homes with high-quality renovation services designed around your lifestyle and budget.
KitchenFitters
Upgrade your kitchen with bespoke fitting and installation. We handle everything from unit fitting to flooring, tiling, and finishing touches.
BathroomFitters
Create a functional, elegant bathroom with our expert team. We install baths, showers, sinks, toilets, and full wet room setups.
RoofRepairs
From storm damage and minor leaks to structural issues, we offer fast, reliable roof repairs for homes and commercial properties.
RoofReplacement
We carry out full roof replacements using modern, durable materials — protecting your property and enhancing its appearance.
Gutter, PVC& Fascia Fitting
Upgrade or replace damaged exterior components with our expert PVC, fascia, and gutter fitting — protecting your roofline and improving drainage.
Fencing& Repairs
Secure your property and add privacy with custom fencing solutions — from wooden boundary fencing to decorative garden panels.
Landscaping& Hardscaping
Transform your outdoor space with our tailored landscaping services, including paving, turfing, decking, garden design, and more.
IndustrialFacility Repairs
Keep your site compliant and running smoothly with responsive, cost-effective industrial maintenance and repair services.