We Do It All - Specialising in Complete Project Management

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Custom New Homes, Extensions, Renovations & Bathroom Makeovers in the Clarence Valley

At Down River Building, we specialise in custom-built homes, extensions, full home renovations, and bathroom makeovers. Serving the beautiful Clarence Valley of New South Wales—from the seaside villages of Iluka and Yamba to the city of Grafton—we bring your vision to life with great craftsmanship and a personalised approach, every step of the way.

Our Builder Kent Hermansen – Is a Fully Licensed & Insured Builder with over 30 Years of Experience

With 30 years of experience building homes and renovating properties across the Clarence Valley, Kent is dedicated to delivering exceptional quality and service. Kent is a fully licensed and insured builder, ensuring peace of mind. His deep knowledge of the local area, its climate, and lifestyle means that he can provide great advice for your new home, extension, or renovation so that it is designed to fit perfectly within its surroundings.

Custom Homes Tailored to Your Vision

Your home should reflect your unique style and needs, and we’re here to make that happen. Whether you’re dreaming of a modern open-plan design, energy-efficient features, or a more traditional layout, we work closely with you to ensure every detail is just right. Our custom-built homes are designed to enhance your lifestyle and perfectly suit the local climate and environment.

Extensions to Fit Your Growing Needs

Need more space but love your current home? We specialise in seamless home extensions that expand your living space without compromising the character of your home. Whether it’s adding an extra bedroom, a bigger living area, or a functional home office, we’ll help you design an extension that fits your needs and feels like it was always part of the house.

Full Home Renovations

Transform your current home into the space of your dreams with our full renovation services. From modernising outdated interiors to completely reworking your home’s layout, we’ll work with you to create a beautiful, functional space that fits your family’s lifestyle. Renovating can enhance comfort, increase value, and bring fresh life to your home.

Bathroom Renovations for a Fresh New Look

Turn your bathroom into a stylish, functional retreat with our expert renovation services. Whether you're upgrading fixtures, changing the layout, or doing a complete overhaul, we’ll help you create a space that’s both practical and beautiful.

Why Choose Us?

• Experienced Builder: Kent has been building in the Clarence Valley for over 30 years, offering unmatched expertise and dedication to every project.
• Fully Licensed & Insured: As a fully licensed and insured builder,  you are protected to ensure that your project  will be built to standard and come with warranty.
• End-to-End Service: We can manage every step of your project, from the initial design through to completion, ensuring a smooth experience.
• Quality Workmanship: Our team are multi skilled and bring a wealth of Building experience and skills.
• Local Knowledge: We understand the Clarence Valley’s unique climate and lifestyle, designing homes and renovations that are a perfect fit for the region.
• Personalised Approach: We take the time to listen to your needs and work with you to create a solution that’s tailored to you.

Whether you're building a new home, expanding your existing space, renovating your entire home, or updating your bathroom, Down River Building is here to help you create a home you’ll love.

• A Bathroom Renovation for Mik & Dee "We can not recommend the team at Down River Building enough. From the prompt and professional quotation, the support of our design, regular updates as to progress and the quality of the workmanship...all has exceeded our expectations and we could not be happier with our new bathroom. Thank you to the management, tradesmen and (especially) to the ladies in the office who tolerated my pre-planning anxiety and perfectionism".  
• A Major Renovation for Jo & Ian "Down River Building were excellent to deal with. All work was done expertly and in a timely fashion. the owners, manager and staff were all very helpful in sourcing other tradespeople and fittings. We could not be happier with our virtually new house. Positive Responsiveness, Punctuality, Quality, Professionalism & Value!"
• A Major Renovation for Gaye & Jeff  "We began by demolishing and rebuilding the bathroom, then the kitchen and living area, we moved a few walls and built a new landing and back stairs. We can highly recommend this builder, he is very thorough and professional and his finished work is wonderful.
• A bathroom renovation for Kim & Garry  "I’d really like to say a huge thankyou to you and the boys, from Garry and myself, for giving us a bathroom that we love. We are very happy with everything you have done, and we feel we made the best decision in choosing you and your team of workers to renovate our bathroom. We will be more than happy to recommend you and your business in the future. We wish you all the best with your business." 
• A bathroom modification for Sue & Warren "Many Thanks to Kent, Julie and the team at Down River Building. (Carpenters, plumber, asbestos remover, electricians, plasterers, tilers, & painter). Due to changing needs, a pokey old bathroom transformed into a beautiful new, easy access shower and toilet. A job well done. Looks fantastic. Will definitely recommend you and the team and if I have any future needs I know where to come."
• Eric's Bathroom modification  "The team were absolutely marvellous, friendly and very professional. Would recommend them to anyone".
• A New Extension for Sarah & Adrian “Our empty concrete slab flourished into a 4-bedroom, 1 bathroom living space within months! The final product is exactly what we wanted with no fault. The boys worked extremely hard, had a fun sense of humour, while Julie provided excellent service whenever we had any queries or concerns. We couldn’t recommend the crew from Down River Building highly enough for their outstanding work ethic and general kind nature. Thank you for bringing our vision to life!”