Building Services Most Trusted About MBS Quality & Results Committed to Best Our Services We Can Do It If You Can Dream It Our Projects
Opening Times
Monday – Friday: 09:00 – 18:00
Our Location
Clapham, London
Customer Support
07758 924453

Our Services

Renovations & Refurbishments

McNulty Building Services, provide highly qualified & experienced internal and external painting and decorating services for our commercial and domestic customers throughout London.


MBS specialise in rear House, single and double storey property extensions. Our builders have years of experience in this field and have completed many projects following the plans of project Architects successfully.

Loft Conversions

If you need to add an extra room to your London home, and a rear house extension is not an option due to planning restrictions or the garden space not being sufficient. Our team of MBS loft conversion specialists, can turn your unused attic space into extra room(s).


Cellar conversions, half and full basement extensions. If you are planning to build a luxury basement London, or to convert your cellar into a lounge, a gaming room or a home cinema, our team of expert builders can add an extra level to your home.

What You Can Imagine
We Can




McNulty Building Services is fully equipped to deliver on small and large scale projects throughout London. MBS’s teams are highly experienced with construction materials, working practices, safety and quality control.

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Greater London Areas Covered

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