Blythe & Watchorn Builders are Tasmania’s home renovation and home extension specialists. Our luxury builds are of the highest quality in construction, finish, style and functionality. 

Established in 1993 from a desire to provide high-end residential renovations, Blythe & Watchorn are now multi award winners with an abundance of successful home alterations and ecstatic customers behind us.  We’re proud to have earnt a reputation for leading the way in Tasmanian home renovations and extensions. 

We approach each project with passion and professionalism and provide clients with a builder to trust and depend upon. Our attention to detail extends beyond our team to the tradesmen and sub-contractors who are carefully selected as they share the same work standard. We prioritise keeping clients informed and involved from the start of the project to the finish.

At Blythe & Watchorn Builders we get the small things right; we turn up on time, return phone calls, are friendly and courteous and work with the least interruption to your household.

Whether it’s a complete renovation, extension, alteration, or your older house just needs some improvements, Blythe & Watchorn are your builders. We’d love to hear from you.

Rob Watchorn



We work with you to design a renovation or extension plan that is customised to your unique lifestyle. Or, we’re happy to implement a home design prepared by an architect or drafting professional of your choice. 


We assist you in the development of all essential documentation required to gain planning, building and plumbing permits from relevant councils or other authorities. Take one more thing off your plate and let your Hobart builder take care of everything. 


Our construction process is meticulously planned and coordinated to ensure that the project is delivered smoothly. All our Tasmanian tradesmen are provided with a detailed schedule of works.


Blythe and Watchorn Builders have earned a long standing reputation for achieving excellence.  We have been lucky enough to win many awards, including most recently Winning the 2021 HIA Tasmanian Apprentice of the Year Award, Finalists in the 2021 HIA Tasmanian Renovation/Addition Project Over $500,001, the 2016 HIA Tasmanian Apartment of the Year and the 2015 HIA Tasmanian Outdoor Project of the Year.


“Rob and his team were fantastic to work with from concept right through to end result, and their discipline in managing each key element to a quality finish was greatly appreciated.”

Darren & Karen Turner

“We have been using Blythe and Watchorn Builders for 25 years for extensions and renovations of our properties. We have always been impressed with their ideas and designs, which have suited our needs beautifully.” 

Dr Hugh & Margaret Jackson