Foundation Repair &
House Underpinning

From jammed doors to cracked walls, A1 Underpinning specialises in a complete range of repair solutions caused by damaged foundations.

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Excavation &
Construction Of Subfloor Rooms

The A1 Underpinning team specialise in a range of excavation solutions and the insulation of steel beams for residential clients.

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Tight Access &
Difficult Foundation Repairs

A1 Underpinning is available 24 hours a day, 7 days a week to respond to even the most difficult jobs with very tight access.

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Residential Foundation Laying and Construction Services In Sydney

When you need more space in your house, one of the best ways to add extra room and add value to your home at the same time is to take advantage of the area right under your feet.

As well as leading the Sydney field for residential foundation repair and underpinning solutions, A1 Underpinning also specialises in underground room excavation and construction including cellars, workrooms and even extra bedrooms.

With over 18 years of experience working with homeowners to help realise even the most ambitious projects, your home is in good hands when you work with A1 Underpinning. We combine the latest techniques, modern equipment and a passion for quality to create residential foundation laying and residential construction solutions that don't meet expectations - they exceed them.

As well as underground room construction, we can also tailor customised solutions for steel beam erection, foundations for extra rooms and outdoor entertaining areas and architectural fittings.

Whatever your project, make sure it's starting out on the right foundations.

Call us today for a quote and expert advice on residential construction solutions. Contact us or send us an online enquiry.

A Foundation for Every Residential Project

Whether its above or below the ground, A1 Underpinning- professional residential construction company can help with almost every residential foundation and construction requirement.

Some of the residential construction solutions we specialise in include:

  • Bathrooms

  • Driveways and Garages

  • Kitchens

  • Patios and Sunrooms

  • Architectural fittings for specialised designs

  • Workshops

  • Cellars

  • Dens and recreational areas

We also specialise in retaining wall construction. Learn more here.

Call Us For All of Your Residential Foundation and Construction Needs

For a construction solution that stands the test of time, you need to start with a strong foundation. As the leading foundation repair and construction company in Sydney, A1 Underpinning is perfectly positioned to deliver exceptional residential foundation laying and construction solutions.

As well as being known throughout the industry for the quality of our foundation repair and house underpinning services, we - Professional commercial & residential construction company also specialise in drainage solutions, jamming door realignment, excavation and the building of sub floor rooms, as well as a range of residential and commercial brickwork and concrete construction solutions.

We residential construction company in Sydney proudly serve all residential and commercial clients throughout the greater Sydney metropolitan area. For 24 hour emergency house underpinning, foundation repair and construction services, contact A1 Underpinning as we are available 24 hours a day, 7 days a week.

For a quote on a residential foundation laying and construction services from the Sydney experts, call A1 Underpinning - Expert house underpinning and foundation repair specialist in Sydney today. Contact us or send us an online enquiry.