Complete Facilities Management in Belfast
From roof cleaning to home improvements, we provide comprehensive facilities management solutions. Trusted by over 1,400 customers across Northern Ireland.
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Complete Property Solutions
Unlike other companies, we offer comprehensive facilities management - from cleaning to home improvements and ground maintenance.
Exterior Cleaning
Professional exterior cleaning services to restore and protect your property
- Roof Cleaning
- Gutter Cleaning
- Pressure Washing
- Driveway Cleaning
- + 10 more services
Internal Cleaning
Comprehensive internal cleaning services for homes and businesses
- End of Tenancy Cleaning
- Deep Cleaning
- Commercial Cleaning
- Office Cleaning
- + 1 more services
Home Improvements
Quality roofline, gutter, and outdoor improvement services for your property
- Dry Ridge
- Dry Verge
- Roof Repairs
- Fascia & Soffit Installation
- + 4 more services
Ground Maintenance
Professional grounds maintenance services to keep your outdoor spaces pristine
- Weed Treatment
- Grass Cutting
- Hedge Clipping
Not sure which service you need?
Speak to Our ExpertsSix Reasons People Choose DPMNI
With over three decades of experience, we've built our reputation on quality, trust, and exceptional service.
30+ Years Experience
Decades of expertise in facilities management across Northern Ireland
£10M Insurance
Fully insured with £10 million public liability coverage
PASMA/IPAF Certified
Professionally trained team with industry certifications
One-Stop Solution
Complete facilities management - cleaning, maintenance & grounds care
Local Experts
Belfast-based team serving all of Northern Ireland
Free Consultations
No-obligation quotes tailored to your specific needs
Professional Property Maintenance Delivered Right
Watch how our experienced team transforms properties across Belfast and Northern Ireland. From exterior cleaning to complete building services, we deliver exceptional results every time.
- ✓Expert team with 30+ years combined experience
- ✓Professional equipment and eco-friendly solutions
- ✓Complete project management from start to finish
- ✓Fully insured with £10M public liability cover
Trusted by 1,400+ Customers
Don't just take our word for it. Here's what our customers across Northern Ireland have to say.
5.0 Google Rating
1,400+
Happy Customers
"Absolutely fantastic service! The team cleaned our roof and gutters and the difference is incredible. Very professional and great value for money."
Sarah M.
Belfast
See Our Transformations
Browse through real projects from across Belfast and Northern Ireland. Every image showcases our commitment to quality.
Serving Belfast & Beyond
Diamond Property Maintenance NI provides professional services across Belfast, County Antrim, and the greater Northern Ireland area. Whether you're in the city centre or surrounding towns, we're here to help.
Plus many more areas including:
50+ Mile Radius
From Belfast City Centre
20+
Areas Covered
Ready to Transform Your Property?
Get a free, no-obligation quote within 24 hours. Our friendly team is ready to help.
- Free no-obligation quotes
- Response within 24 hours
- £10M public liability insurance
- PASMA/IPAF certified team
Frequently Asked Questions
Everything you need to know about our property maintenance services.