Builders in North London

Loft conversions, extensions, renovations and new builds across North and North West London.

Building Work Across North London

Sanfair works in Mill Hill, Barnet, Finchley, Hendon, Edgware, Stanmore, Pinner, Hampstead Garden Suburb and the surrounding areas of North and North West London.

Sanfair Constructions is a residential building company working across North and North West London. Our projects run from loft conversions and rear extensions on Victorian terraces and 1930s semis to full renovations of Edwardian houses and new homes built from the ground up. We work from your architect’s drawings and engineer’s calculations, manage the trades on site and hand over a finished, signed-off home.

Areas we cover

We regularly work in Mill Hill, Barnet, Finchley, Hendon, Edgware, Stanmore, Pinner and Hampstead Garden Suburb, and take on projects across the wider area. If you are not sure whether we cover your street, call and ask.

What we build

Our services are loft conversions, house extensions, house renovations, structural works, new builds and high-end residential projects. North London’s housing stock is varied — Victorian and Edwardian terraces, inter-war semis, post-war houses and modern plots — and the right approach to a loft or extension depends on the house. We have written about the options in our guides to dormer, mansard and hip-to-gable loft conversions, side-return extensions on Victorian terraces and renovating a Victorian or Edwardian house.

Costs and timescales

For a realistic idea of budget and programme before you talk to us, see what a loft conversion costs in North London, what a house extension costs in North London and how a Sanfair project runs from drawings to finished build.

To discuss a project anywhere in North London, call 07455 908835 or use our contact page.

Recent Projects Across North London

What Sets Sanfair Apart

Clients choose Sanfair Construction for quality workmanship, a fair and straightforward approach, and a strong focus on delivering work properly from start to finish.

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01 Quality Workmanship

Built with care, attention to detail, and a focus on getting the job done properly.

02 Fair and Straightforward Approach

Clear communication, honest service, and a practical approach from start to finish.

03 Trusted by Homeowners

A reputation built through referrals, repeat work, and word of mouth.

04 Residential Project Focus

Experienced across renovations, extensions, loft conversions, structural works, and new builds.

Discuss Your North London Project

If you're planning a loft, extension, renovation or new build in North London, get in touch to discuss your project and arrange a site visit.