Build Knowledge Centre | Passive House & Design Guides

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Guides worth your time

8 min read
Passive House & Building Science
Is a Passive House Worth It in New Zealand?
Warm in winter, cool in summer and cheap to run: see whether a Passive House is worth the premium for a Nelson Tasman home, and what you get back.
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9 min read
Build Decisions & Comparisons
Building a House in NZ: Where to Start
The first moves that keep a build in control: set a real budget, talk to your bank and a builder early, and get the order right before you fall in love with a design.
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9 min read
Choosing Your Builder
How to Choose an Architectural Home Builder in New Zealand
What separates an architectural builder from a volume builder, the green flags worth paying for, the red flags to walk away from, and how to verify a builder before you commit.
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Guides and tools to help you understand the design and build journey, make confident decisions, and get a home you love. Search below, or start with the guides. From the Ecotectural team, builders across Nelson, Tasman, Richmond, Motueka and Mapua.

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102 guides

Featured · The Design Process

What Is Design and Build? A Plain-English Guide for New Zealand Homeowners

Design and build in plain English: what it means, how it compares to the traditional tender route, how the process runs, what it costs in New Zealand, and its real benefits and trade-offs.

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9 min read

The Design Process

What’s Included in a Design and Build Service? A New Zealand Guide

What a design and build service actually covers: brief, concept and developed design, the architect and engineer, council consents, construction, handover and aftercare, plus what is usually an added scope or excluded, and why confirming it in writing matters.

9 min read

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The Design Process

Design and Build and Passive House: Designing for Performance From Day One

Why a high-performance home is easier to achieve through design and build: engaging the builder, engineer and energy consultant at concept, modelling performance before construction, and what a Passive Home really costs to design and build in New Zealand.

9 min read

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The Design Process

How a Home Is Designed: The Thinking Behind a House That Works

How a home is really designed: it is a process of thinking, not a single drawing. From the brief and the site, through concept, developed and detailed design to building consent, and how open-book pricing keeps design and budget connected.

9 min read

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The Design Process

The Design Brief: The Questions to Answer Before Anyone Draws a Plan

A design brief captures how you want to live, your site, your budget and your non-negotiables before any plan is drawn. Here are the real questions it should answer, and why solving them on paper first saves money.

8 min read

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The Design Process

Reading Your Site: Sun, Wind, Slope, Views and Access

A good home starts with the land. How to read a Nelson Tasman site for sun, slope, ground, wind, views and access, and why those fixed realities shape the design, the comfort and the cost long before any drawing.

8 min read

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The Design Process

How a Floor Plan Actually Works: Flow, Zoning and North-Facing Living

How a floor plan really works: what makes a good one, how zoning groups rooms by use, why north-facing living matters in New Zealand, how circulation and flow shape daily life, and the common mistakes to avoid.

8 min read

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Site & Region

Designing for the Nelson Tasman Sun: Orientation and Passive Solar

How orientation and passive solar design capture free winter warmth and keep summer heat out: north-facing living, correctly sized eaves, thermal mass and glazing, applied to the sunny Nelson Tasman climate.

9 min read

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The Design Process

Getting Light and Space Right: Ceiling Height, Glazing and Connection to Outside

How light and a sense of space really come about: proportion, ceiling height, glazing that performs thermally, and connection to the outside, not just floor area.

8 min read

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The Design Process

What a Good Designer Wishes Every Client Knew Before the First Meeting

A generous look at what actually helps your designer: come with how you want to live and an honest budget rather than a finished plan, let the site lead, and keep design, budget and buildability at one table from the start.

9 min read

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Why Ecotectural

Passive Homes across Nelson and Tasman, built in full view.

One architect-led team from first sketch to final invoice, with open-book pricing all the way.

2006Building since

Master BuilderRegistered

50+ yrHomes built to last

See our work

Folding doors open from a warm timber-lined living space onto a deck overlooking vineyards and the Tasman estuary

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Everything we cover

Our guides are grouped by the questions people actually ask us, from how a Passive Home stays warm to what a build in Nelson Tasman really costs. Pick a topic to go straight to what matters for your stage, whether you are just starting to plan, choosing a builder, or deep in the detail. Every guide is written in plain English by a builder who does this work, not a marketer.

Blower-door airtightness testing on an Ecotectural build

Passive House & Building Science

How Passive House and high-performance building works in the NZ climate: airtightness, insulation, ventilation, glazing, comfort and health.

12 guides

Site plans and an aerial site map on a tablet, set out for a design meeting

The Design Process

How an Ecotectural home gets designed: the brief, the site, the floor plan and the light and detail, before a single wall goes up.

9 guides

A marble kitchen island in an Ecotectural home

Rooms & Spaces

Room by room: kitchens, bathrooms, storage, home offices and outdoor living, designed for how you actually live.

10 guides

A stacked-stone fireplace in a renovated and extended Ecotectural home at Paton Road

Renovations & Extensions

Renovating, extending or reworking an existing home to the same high-performance standard as a new build.

6 guides

Ecotectural founder Daryl Combes on a slab-day build site, wearing an Ecotectural tee, Tasman

Choosing Your Builder

What separates a good architectural builder from the rest, and how to judge one before you sign.

7 guides

A black and cedar Ecotectural home in the Tasman hills, the kind of build decision this topic weighs up

Build Decisions & Comparisons

The big early decisions: build or buy, house plans, timeframes and how a project actually starts.

8 guides

An Ecotectural team member working through a building consent document folder

Consents & Compliance

Building consent, LIM reports, code compliance and the paperwork that gets a build over the line.

6 guides

A live cost dashboard itemising a build, claim by claim

Open-Book Pricing & Project Management

How premium builds are priced and run honestly: open-book invoicing, contract types, cost control and one coordinated team.

12 guides

Structural insulated panels craned into place on an Ecotectural build

Materials & High-Performance Systems

The systems behind a high-performance home: SIPs, insulated foundations, glazing, roofing and cladding specified for a 50+ year home.

13 guides

Aerial view of an Ecotectural home on Trewavas Street, Motueka, in golden light

Building By Town

Real guides to building in Motueka, Richmond, Mapua, Upper Moutere, Kaiteriteri and the wider Nelson Tasman region.

7 guides

A dark-clad home set among vineyards in the Tasman landscape

Site & Region

Nelson Tasman's sites, climate, consenting and lifestyle, and how they shape a well-built home.

12 guides

When these guides have you thinking about your own home, the next step is a conversation.Arrange a consultation for a free, no-obligation chat about your site, your brief and your budget.

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