Experience that makes the process easier.

The result: fewer surprises and a home that works better for you.

Improving your home is a big investment. You need a builder who listens, explains the options clearly and helps you avoid expensive mistakes.

With 150+ renovations and over 80 years of combined experience, Alterhouse knows how to navigate existing homes, manage challenges and keep decisions clear.

Start your project

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What you can expect

Clear Guidance

You will understand your options, costs and next steps.

Practical Thinking

We focus on the solution that best fits your home, budget and lifestyle.

Exceptional Communication

You will understand your options, costs and next steps.

Trusted People

We work with established local trades, suppliers and specialists who share our standards.

Meet the team

You are working with experienced people who care about the decisions, the details and the final result.

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A smiling man with glasses, a beard, and a shaved head, wearing a beige button-up shirt over a black t-shirt, standing with hands on hips in front of a white wall. Renovations, Extensions & Additional Dwellings Canterbury | Alterhouse

A woman with long braided red hair wearing a black bucket hat and black shirt, sitting against a white panel wall, smiling at the camera. Renovations, Extensions & Additional Dwellings Canterbury | Alterhouse

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Mel Favell

Site Foreman

Mel has nine years of construction experience, with a strong focus on residential renovations. She keeps sites organised, standards high and the team moving in the right direction.

Superpower: Keeping everyone on track and the energy up.

Stacey Cox

Project Assistant & Design

Stacey coordinates projects, subcontractors and the details that keep work progressing smoothly. With experience across project coordination and construction administration, she brings a thorough and organised approach to every job. Detail-focused and dependable, she keeps a close eye on the moving parts and makes sure nothing gets missed.

Superpower: Spotting the details others might miss.

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Kyle Owen

Senior Quantity Surveyor

Kyle brings over 10 years of experience managing costs, contracts and technical details. His sharp eye helps clients understand the numbers, avoid unnecessary spend and make better-informed decisions.

Superpower: Spotting the detail others miss.

Sam Williamson

Junior Quantity Surveyor

Sam combines formal quantity surveying training with hands-on experience across construction and property development. Dependable and quietly efficient, he helps keep the details moving behind the scenes.

Superpower: Making sure nothing gets overlooked.

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Jess Watson

Client Liaison & Marketing

Jess brings experience in property management, design and hands-on renovation. She understands the homeowner’s perspective and helps make communication feel personal, clear and easy from the first enquiry. She keeps clients feeling informed and supported throughout the process.

Superpower: Building relationships and making people feel heard.

Rob Cox

Construction Manager

Rob brings 20 years of experience across renovations, residential builds and commercial construction. He keeps projects moving, people aligned and challenges in perspective.

Superpower: Turning problems into solutions.

Dean Inglis

Director

Dean brings over 25 years of construction and quantity surveying experience across residential and commercial projects. He keeps a clear head, sees the bigger picture and finds a practical way forward when things get complicated.

Superpower: Seeing the smartest way forward.

Local experience you can trust.

150+ renovation projects completed

80+ years of combined industry experience

Master Builders, NZIQS and NZIOB memberships

Based in Wigram and working across Canterbury

Trusted trades and long-standing supplier relationships

SiteWise, Tōtika and Site Safe accreditation

NZGBC membership

Ready to make more of your home?

Tell us what is not working, what you would love to change and what life could look like when the project is finished (You do not need finished plans, perfect answers or a colour-coded spreadsheet).