G M B BUILDING SERVICES started from small beginnings but has grown into a well-established part of Barnet's life. Founded in 1985, we have carried out many projects within Barnet and the surrounding areas within Hertfordshire and London.


Drawing on 30 years experience in the trade, we have undertaken a variety of projects including:


  • Loft Conversions
  • Roofing
  • Extensions
  • Groundwork
  • Brickwork
  • Kitchens
  • Bathrooms
  • Patio Designs
  • Carpentry
  • Painting and Decorating
  • CORGI Gas Registered Plumbing and Heating
  • Double Glazing
  • General Property Maintenance