Northern Irelands
Property & Facilities
Management
Covering, Belfast, Derry, Newry and all surrounding areas
Diamond Property Maintenance NI
At Diamond Property Maintenance NI, we are passionate about helping homeowners and businesses across Northern Ireland maintain and enhance their properties. With over 30 years of experience, we have built a reputation for providing professional, reliable, and eco-friendly property maintenance solutions that exceed expectations.
Our 3 Core Services
InternalCleaning
ExteriorCleaning
Our Facility Management Services
Exterior Cleaning & Maintenance
Maintain the exterior beauty and structural integrity of your property with our professional cleaning and maintenance services:
High-Risk Exterior Cleaning for roofs, walls, and other challenging areas.
Comprehensive soft washing and pressure washing for driveways, patios, and pathways.
Window, gutter, and PVC cleaning to enhance your property’s exterior aesthetic.
Facilities Management
Ensure your commercial facility operates smoothly with our expert management services:
Routine maintenance to prevent costly repairs.
Cleaning schedules tailored to your business needs.
Regular inspections to identify and address potential issues.
Property Care Packages
Protect your investment with our all-inclusive property care packages:
Annual roof and gutter maintenance.
Biocide treatments to prevent algae, moss, and lichen growth.
Driveway resealing and floor restoration for long-lasting results.
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.
Special Offers
Spring Offer
PACKAGE
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Roof Cleaning
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Gutter Clean
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Windows Cleaned
Roof to Gate
PACKAGE
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Roof Cleaning
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Gutter Clean
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Windows Cleaned
Gutter & PVC
PACKAGE
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Roof Cleaning
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Gutter Clean
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Windows Cleaned
Frequently Asked Questions
Our facilities management services include routine maintenance, cleaning schedules, regular inspections, and tailored care to meet the specific needs of your property.
Yes, we specialize in high-risk exterior cleaning, using safe and effective methods for hard-to-reach areas like roofs and walls.
Absolutely! We offer a province-wide service, covering towns and cities like Belfast, Lisburn, Bangor, and more.
For optimal results, we recommend scheduling routine services monthly or quarterly, depending on your property’s needs.
Yes, all our cleaning methods are environmentally safe, ensuring the protection of your property, family, and the environment.
Book Your Facilities Management Service Today
Talk To Us
Ensure your property remains in pristine condition with DPMNI Ltd’s expert property and facilities management services.