Our Services
Let’s build something great together
At Williams Brothers Design & Build, we’re a trusted residential builder in the Manawatū, proudly based in Ashhurst. We specialise in renovations, new builds, and smart extensions that improve how your home works for you.
Home Renovations
Breathe new life into your home with a renovation that’s practical, modern, and built to last. As a local Ashhurst building company, we’re here to help you reimagine your space, whether it’s opening up the living area, upgrading the kitchen, or giving the whole house a fresh start.
We work on renovations of all sizes and stages, from cosmetic upgrades to full structural reworks. Our team works closely with you to make sure the finished result fits how you live.
Renovation services include:
Full-home renovations
Kitchen renovations
Bathroom renovations
Laundry upgrades
New Builds
Starting from scratch? We’ve got your back. From early planning all the way to handing over the keys.
We partner with homeowners, developers, and architects across the Manawatū region to create homes that are tailored to the people who live in them. As a well-established residential builder in Ashhurst, we focus on communication, craftsmanship, and keeping your build on time and on budget.
New build services include:
New home builds
Detached home offices/studios
Secondary dwellings
Granny flats / minor dwellings
Extensions & Alterations
Need more room to grow? We handle smart extensions and reconfigurations that fit perfectly with your existing home.
Whether you’re looking to add an extra bedroom, expand your kitchen, or convert the garage, we’ll help you make the most of your space. As a trusted Manawatū builder, we’re here to upgrade your home without compromising on quality or flow.
Extension & alteration services include:
Room additions (bedroom, living, office)
Kitchen or bathroom extensions
Garage builds or conversions
Open-plan conversions
Wall removals and structural rework
Our full list of services
We work with you, not just for you. Because people come first, always.
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Full-home renovations
Kitchen renovations
Bathroom renovations
Laundry upgrades
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New home builds
Detached Home
Offices/studios
Secondary Dwellings
Granny Flats / Minor Dwellings
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Room additions (bedroom, living, office)
Garage builds or conversions
Open-plan conversions
Wall removals and structural rework
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Decks and pergolas
Fencing
Cladding and recladding
Outdoor living spaces
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Early contractor engagement
In-house or partnered architectural design
Concept-to-completion project delivery
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Coordinating subcontractors
Schedule and timeline management
Site safety compliance
Budget oversight