About from company website
Diamond Property Maintenance NI, established in 1995, provides comprehensive property maintenance services across Belfast and Northern Ireland. With over 30 years of combined experience, the company has grown from a small family operation into a respected property maintenance firm, committed to quality, trust, and customer satisfaction. Unlike companies that specialise in either cleaning or building work, Diamond Property Maintenance NI offers a one-stop solution for all property needs.
Their services range from exterior cleaning such as roof and gutter cleaning, to interior cleaning for homes and businesses, and home improvements including roofline, fascia, soffit, and guttering services. They also provide professional ground maintenance and comprehensive facilities management for commercial properties. Based in Belfast's Innovation Factory, the team is dedicated to delivering exceptional service, honest advice, and outstanding results.
They pride themselves on their professionalism, using quality materials and ensuring customer satisfaction through a transparent process from initial consultation to final inspection. The company is fully insured with £10 million public liability coverage and holds PASMA/IPAF certifications.
Services
- Roofing
- Refurbishment
- Landscaping
- Driveways & paving
- Painting & decorating
- Glazing
- Windows & doors
- Kitchen fitting
- Bathroom fitting
- Fencing
- Plumbing
- Electrical
- Heating & ventilation
- Fit-out & interiors
- Carpentry & joinery
- Tiling
- Flooring
- Cladding
- Damp proofing
- Waterproofing
- Fire protection
- Security systems
- Solar PV
- EV charging
- Plastering
- Drylining
- Shopfitting
- Suspended ceilings
- Extensions
- Restoration & heritage
- Loft conversions
- Basement works
- Groundworks
- Demolition
- Piling
- Drainage
- Road surfacing
- Utilities
- Rail infrastructure
- Marine & water engineering
- Site clearance
- Traffic management
- Bricklaying
- Stonemasonry
- Concrete works
- Formwork
- Steel fabrication
- Steel erection
- Curtain walling
- Scaffolding
- Asbestos removal
- Plant hire
- Crane hire
- House builder
- Property developer
- Design & build
- Modular & offsite construction
- Timber frame
- Civil engineering
- M&E contracting
- Air conditioning
- Insulation
- Lifts & escalators
Works as
Sectors
Accreditations from company website
- PASMA
- IPAF
- SSR Registered
Similar companies
- Mark Gorman Building & Roofing LtdLisburn · Main contractor
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Is this your company?
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- Services and specialisms in your own words
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Questions about Diamond Property Maintenance NI from the record on this page
What does Diamond Property Maintenance NI do?
Diamond Property Maintenance NI offers property maintenance in Belfast & NI. 30+ years experience, £10M insured, 5.0 Google rated. Services include cleaning, home improvements & grounds care. Their listed services include Roofing, Refurbishment, Landscaping, Driveways & paving and Painting & decorating.
Where is Diamond Property Maintenance NI based?
Diamond Property Maintenance NI is registered at 4a Sans Souci Gardens, Lisburn, BT28 3AF, in Northern Ireland.
What areas does Diamond Property Maintenance NI cover?
Diamond Property Maintenance NI states that it works across Belfast and Northern Ireland.
How many people work at Diamond Property Maintenance NI?
Accounts filed for the year to 2025 report 6 employees, which places the company in the 1-9 employees band.
What is Diamond Property Maintenance NI's turnover?
Diamond Property Maintenance NI does not disclose turnover: UK small-company accounts are not required to. Based on creditors in its filed accounts, turnover is likely to fall between £120k and £490k. This is an estimate, not a filed figure.
Is Diamond Property Maintenance NI still trading?
Companies House lists Diamond Property Maintenance NI as active, with accounts most recently made up to 2025-04-30.
What accreditations does Diamond Property Maintenance NI hold?
Diamond Property Maintenance NI displays PASMA, IPAF and SSR Registered on its website.
What sectors does Diamond Property Maintenance NI work in?
Diamond Property Maintenance NI works in Residential, Commercial, Industrial, Infrastructure, Public, Healthcare, Education, Retail, Leisure, Energy and Agricultural.
When was Diamond Property Maintenance NI established?
Diamond Property Maintenance NI was incorporated on 2023-04-12, though the company says it has traded since 1995.