Trusted Builders in Harrow
BBBrotherBuilding has been delivering outstanding extensions, loft conversions, and home renovations to Harrow homeowners for over a decade. From period properties in Harrow on the Hill to semi-detached homes across the borough, our in-house team handles every aspect of your build. Registered limited company, £10M insured, and rated 10/10 on Checkatrade.
Our Services in Harrow
Extensions
Single and double storey extensions that transform your living space.
Loft Conversions
Dormer, hip-to-gable, and mansard conversions to maximise your home.
Bathrooms
Complete bathroom renovations from design through to final finish.
Kitchens
Full kitchen fitting including plumbing, electrics, and tiling.
Why Harrow Homeowners Choose Us
Ltd Company
Companies House registered #16950486. Full accountability and transparency.
£10M Insurance
£10 million public liability insurance. Complete peace of mind for every project.
Checkatrade 10/10
Vetted, reviewed, and trusted by homeowners across Hertfordshire and North West London.
2-Year Guarantee
Every project backed by our comprehensive 2-year workmanship guarantee.
12 Years Experience
Over a decade of delivering extensions, lofts, and renovations to the highest standard.
Our Work in Harrow
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Ready to Start Your Project in Harrow?
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