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Belfast Building & Roofing

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    Hi there and welcome to my Builders homepage (have to get the word Builders in :-)) my name is James G Mulvenna. and I am a registered Master Builder, Carpenter, Dry Liner, Engineer & according to quite a few people a Chimney Expert.  I have 30 Years experience in General Construction and Structural Steel Solutions. So if you are Extending, Altering, Improving or Repairing please email me at or you can ring me on 07401088 868. You can Click here for my Google PageFacebook Page, or some reference  Videos


     BuildersRoofers, & Chimney Expert’s.

    Speak with your local Builders direct on 07401088868 (business hours)

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    • Builders Repairs Belfast Malone Deramore Balmoral.
      Fifth Ave Bangor - Concrete Structural Repairs.

    After 30 years in Construction our diverse skills include; Extensions, Renovations & interiors including Insulation, Bathrooms, Drylining Ceilings, Partition Walls.

    We also offer Structural Alterations, Structural Repairs, Chimney Support Brackets, Chimney Repairs, Window Sill repairs.     

    We have a proven record of delivering Projects on time and within budget.


    Acoustics are forgotten until you hear it.

    Creating living spaces is all about people and how they want to live, work and relax. We focus on matching impressive aesthetics with our superior acoustics. One may attract people to the space but good acoustics make them stay. We offer stunning Acoustic Ceilings and Walls to suit any project Private or Commercial.

    Belfast Builders Chimney Repairs Facebook

    We Negotiate contracts for.

    Home Extensions. Improvements.
    Refurbishments. Roof Space Conversions
    Property Repairs, Drylined Partition Walls,
    Ceilings & Ceiling Repairs, Roof & Chimney Repairs,
    Window Sill repairs,  & Many Misc Smaller Jobs


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    We can arrange a home visit to discuss your project in context.

    We can deal with all the paperwork for your planning and Building Control applications. Letting devote more time & energy to the design process.

    We can also advise you on Design elements and avoid limitations to the local Regulations process.

    Contractor Surveys, Estimates & Advice are free on all private contracts.

    • Identifying potential problems at design stage.
    Builders Belfast
    • Making your dreams Reality.
    • Achieving real time money savings.

    About Us 

    Based in Bangor near Belfast, we have developed a comprehensive service partnering with major Irish Company’s including Chubb Otis, Mercedes Tesco & Totalis Solutions

    We value our skill set and awareness of clients needs. Our key goal is customer satisfaction driving contracts forward on time within Budget.

    Call James direct on 07401 088 868.

    Terms & Conditions.

    Ards Containers   Haldane Fisher Bangor 
    Balloo Trade Frames   Murdocks Castlereagh
    Open Mon – Fri, 8am to 7pm, Sat, 9am to 2pm.

    Liability Insurance  Handwerks Kammer