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Timber-clad home with red roof and pergola built by Wat’s On Building

Registered Master Builders · Whanganui

Whanganui's professional local builders

New homes, renovations and light commercial builds, delivered by an experienced local team with a 10-year Masterbuild guarantee.

Who we are

Whanganui's Professional Local Builders

Owner/Director Mike Watson, a Registered Master Builder & Licensed Building Practitioner, received his Trade Qualification in Carpentry in 1988 and has stayed working and learning in this ever-changing industry that he loves.

Mike has gathered a team with wide-ranging experience on projects of all sizes, so although living locally and working mainly in and around the surrounding districts, their ability and reputation have taken them all around the country.

Award-winning home with grey weatherboards, garage and timber fencing built by Wat’s On Building

Master Builders award winner

Recognised at the 2015 Registered Master Builders House of the Year.

Wat’s On Building tradesmen at work on a long shed with roller doors

Peace of mind

Experienced Registered Master Builders, Licensed Building Practitioners, & Site Safe Qualified

With the Wat's On Team there is peace of mind. You are dealing with experienced professionals. You can have a 10-year Masterbuild guarantee on any work we complete, and we will provide full disclosure of insurances, etc., with any contract delivered.

We are members of Site Safe and ensure all staff training is kept up to date, plus our apprentices keep the tradesmen on their toes.

  • Registered Master Builders member
  • Licensed Building Practitioner
  • Site Safe member

Meet the boss

Mike Watson

Our owner and director Mike Watson believes the building trade is more than just a job.

After 18 years as a sole trader, Mike started Wat's On Building in 2005. Since then, demand for his services has taken him all over New Zealand. As a proud local, Mike is committed to helping Whanganui grow by building quality new homes, and helping maintain or renovate the older ones.

  1. 1988

    Trade qualification in Carpentry

    Mike begins a career he still loves, learning and working in an ever-changing industry.

  2. 18 years

    Sole trader

    Years of building on his own, earning the local reputation behind the name.

  3. 2005

    Wat’s On Building starts

    Demand for his services has since taken the team all over New Zealand.

  4. Today

    Building Whanganui

    Quality new homes, plus maintaining and renovating the older ones.

Contemporary single-storey home with a timber and concrete front fence

Honest numbers

Consistent & Competitive Pricing

Our quotes are competitive, honest and detailed. Mike, Shayne & Steve all price for work, and have decades of experience between them. We are sure you will enjoy meeting and working with them too.

Timber-clad home with red roof, round window and pergola

Built to last

Quality Workmanship

Quality has always been what Mike insists on, and we take pride in our work. We want to give you the best possible, and we want you to be 100% satisfied.

We love architectural design but that is not all that we do. No job is too big or too small for us to do well.

Recent projects

Built around Whanganui and beyond

View the full gallery

What we build

No job is too big or too small

We work on light commercial and residential projects of all sizes, and we organise any sub-trades to keep the job running smoothly on your behalf.

Explore our services
  • New homes
  • Light commercial
  • Renovations
  • Alterations
  • Maintenance
  • Shed construction
  • Decking
  • Fencing
  • Roofing
  • Plus more

Contact Wat's On Building Ltd

If you have any queries, need to organise a site visit, discuss your ideas or request a quote, call us for a prompt, obligation-free conversation.

Our office is at

2 Pehi Street in Wanganui East

Close to the Railway Bridge! You're welcome to come and meet us.

Mon–Fri: 8:00am – 5:00pm · Weekends closed