Looking for a quality and affordable bathrooms & joinery contractor for your next project?


Complete bathrooms Belfast, shower panels, bathroom fittings, accessories & refurbishment

Bathrooms Belfast

Supreme specialise in complete bathroom installations, fittings and makeovers using the highest quality products. Our services cover the complete process from beginning to end to give you peace of mind. Whether you want a modern bathroom or something more traditional looking, Supreme NI can make it happen.

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Roofing Repairs & Joiners Belfast Newtownabbey

Roofing Repairs & Joiners Belfast

With skilled, fully qualified joiners in our team we are happy to provide a consultation for any job or provide material samples. We have experience in fitting all types of wooden floors, fences, decking, roofing & much more. Supreme also carry out roofing repairs, installations & tile upgrades throughout Northern Ireland.

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Composite Timber Decking Belfast

Composite Timber Decking Belfast

Wooden decking Belfast by Supreme NI. Give your garden or outdoor …

Garden fencing & security gates Belfast

Garden Fencing & Security Gates Belfast

Whether it is simple wooden fencing to enhance the look of your …


PVC Windows & Doors Belfast

Looking for PVC Windows & Doors in the Belfast area? We supply …

Soffit, Fascia & Guttering Belfast

Fascia & Guttering Belfast

By hiring our hardwood flooring services, you can transform the …

Who We Are?

Roofing & Joinery BelfastPVC Doors Belfast

Supreme is a professional bathrooms & joinery contracting business based in Newtownabbey just outside Belfast, Northern Ireland. We specialise in complete bathroom installations, PVC products and all types of joinery. With over 10 years experience in the industry Supreme always delivers a high quality service at a competitive price.

Our wide range of services include complete bathroom installations, PVC windows & doors, roofing & joinery, fencing & decking, fascia & guttering. For further information and to arrange a quote contact us on 07515280860.



Why Choose Us


We have a proven record of accomplishment and are a reputable company in Belfast, Northern Ireland. We ensure that all projects are done with utmost professionalism using quality materials while offering clients the support and accessibility.


For us, honesty is the only policy and we strive to complete all projects with integrity, not just with our clients, but also our suppliers and contractors. With thousands of successful projects under our belt, we are one of the most trusted home improvement contractors in Belfast


We commit ourselves to complete all projects within the timeline set with our clients. We use the best of technology and tools to ensure that all jobs are done quickly but also giving attention to details and ensuring everything is done correctly.

Service Areas Covered

Supreme NI provides joinery and carpentry services for the following Northern Ireland areas: Belfast, Antrim, Newtownabbey, Mallusk, Glengormley, Ballyclare, Carrickfergus, Templepatrick, Lisburn, Downpatrick, Portadown, Banbridge & Newry